CN114522933A - Dust removal system and dust removal method and application thereof - Google Patents

Dust removal system and dust removal method and application thereof Download PDF

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Publication number
CN114522933A
CN114522933A CN202210038756.XA CN202210038756A CN114522933A CN 114522933 A CN114522933 A CN 114522933A CN 202210038756 A CN202210038756 A CN 202210038756A CN 114522933 A CN114522933 A CN 114522933A
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China
Prior art keywords
dust
ash
dredging pipe
pumping mechanism
pipe
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CN202210038756.XA
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CN114522933B (en
Inventor
查安鸿
胡俊平
潘新辉
车彦婷
黄文正
何青华
丁安琪
经勇明
陈生利
陈科
莫泽军
李玉革
宁建刚
江志华
肖方锦
李伟韶
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SGIS Songshan Co Ltd
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SGIS Songshan Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06—Spray cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04—Cleaning by suction, with or without auxiliary action
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cleaning In General (AREA)

Abstract

The invention relates to the technical field of dust removal, in particular to a dust removal system, a dust removal method and application thereof, wherein the dust removal system comprises a purging mechanism, an ash pumping mechanism, a dredging pipe and a dust suppression part, wherein the purging mechanism, the ash pumping mechanism and the dredging pipe are sequentially arranged, the dust suppression part is arranged on the dredging pipe, and the purging mechanism and the ash pumping mechanism are respectively arranged on two opposite sides of an ash covering device; and the dust suppressing portion includes: the circular ring piece is sleeved in the circumferential direction of the dredging pipe; and a plurality of nozzles which are arranged in the inner circumferential direction of the circular ring piece at intervals, the water spraying direction of the nozzles is arranged towards the exhaust port direction of the dredging pipe part where the dust suppression part is positioned, and the included angle between the water spraying direction and the pipe wall of the dredging pipe close to the downstream is less than 45 degrees. The dust removal system has a simple structure, particularly forms air pressure difference in the dredging pipe, provides certain suction power, can excellently control the flow direction of dust, further can effectively control the dust, and can reduce the suction power of the dust suction mechanism and save energy consumption.

Description

Dust removal system and dust removal method and application thereof
Technical Field
The invention relates to the technical field of dust removal, in particular to a dust removal system and a dust removal method and application thereof.
Background
In the metallurgical industry, many equipment are provided with filter screens, because dust and particulate matters can be unavoidably existed in the production process or atmosphere, especially in the heavy metal manufacturing industry, such as steel production workshops, the filter screens of direct current motors are more prominent, and the dust of the filter screens needs to be cleaned every 2-4 weeks, so that the technical purposes of ensuring the air permeability of the filter screens and recovering the filtration of the filter screens are achieved.
In a method in the prior art, an operator purges ash-coated equipment one by one through a compressed air pipe, the ash-coated equipment contains a large amount of iron oxide components, the dust flies all day by day in the purging process, the surrounding production environment is seriously affected, meanwhile, the physical and mental health of the operator is greatly affected, and when the operator purges the detached ash-coated equipment one by one, the operation efficiency is extremely low. Moreover, when the dust is cleaned on equipment with light weight, such as a filter screen of a direct current motor, compressed air blows away the equipment, an operator also needs to grasp the equipment through limbs or fix the filter screen by other objects, and when the operator sweeps each time, the operation content causes the operator to be very painful and unpleasant, and meanwhile, the dust in the equipment cannot be cleaned effectively by the operation mode.
In the prior art, the following technical disadvantages exist:
firstly, the method comprises the following steps: the existing dust removing equipment has a complex structure and high requirements on equipment, and dust cannot be effectively controlled in the cleaning process;
II, secondly: iron oxide in the dust cannot be recovered and falls on the ground freely or is used as domestic garbage to be discharged;
thirdly, the method comprises the following steps: dust in the dust covering equipment cannot be effectively cleaned;
fourthly, the method comprises the following steps: the cleaning difficulty of lighter dust covering equipment is high;
fifthly: the operating efficiency is low, and even if the operating personnel wear the protective mask, the operating personnel can be injured.
Disclosure of Invention
The invention aims to overcome the defects of complex structure, high requirement on equipment, incapability of effectively controlling dust and no environmental protection of dust removal equipment in the prior art, and provides a dust removal system, a dust removal method and application thereof.
In order to achieve the above object, in a first aspect, the present invention provides a dust removing system, which includes a purging mechanism, an ash pumping mechanism, a dredging pipe, and a dust suppressing portion disposed on the dredging pipe, the purging mechanism and the ash pumping mechanism are disposed on two opposite sides of an ash covering device, respectively; and the dust suppressing portion includes:
the circular ring piece is sleeved in the circumferential direction of the dredging pipe;
and a plurality of nozzles which are arranged in the inner circumferential direction of the circular ring piece at intervals, the water spraying direction of the nozzles is arranged towards the exhaust port direction of the dredging pipe part where the dust suppression part is positioned, and the included angle between the water spraying direction and the pipe wall of the dredging pipe close to the downstream is less than 45 degrees.
Preferably, the angle between the water spraying direction and the wall of the dredging pipe close to the downstream is 10-35 degrees.
Preferably, the ratio of the spacing between two adjacent nozzles to the total length of the inner circumference in the direction of the inner circumference of the circular ring member is 1-4:100, preferably 1.2-3.5: 100.
Preferably, the water pressure of the water sprayed from the nozzle is 0.2 to 0.7MPa, more preferably 0.2 to 0.5MPa, relative to the dredging pipe having an inner diameter of 40 to 50 cm.
Preferably, the water spraying pressure of the nozzle is increased by 0.01-0.02MPa for every 1cm increase of the inner diameter of the dredging pipe.
Preferably, the suction air quantity in the ash pumping mechanism is 2000-8000m relative to the dredging pipe with the inner diameter of 40-50cm3More preferably 2000-6000m3/h。
More preferably, the suction air quantity in the ash pumping mechanism is 2000-3000m during the peak period of electricity utilization3The water spraying pressure of the nozzle is 0.4-0.5 MPa; in the period of low peak of electricity consumption, the suction air volume in the ash pumping mechanism is 5000-3The water spraying pressure of the nozzle is 0.2-0.3 MPa.
Preferably, the height of the tail end of the dredging pipe is lower than that of the dust pumping mechanism, no more than 6 bends are arranged on the dredging pipe, and the dust suppression part is arranged at the upstream of the first bend close to the dust pumping mechanism.
Preferably, 1 elbow is arranged on the dredging pipe.
Preferably, the portion of the evacuation conduit located before the first bend is arranged obliquely.
Preferably, for the part of the canalizing duct before the first bend,
when the portion is horizontally disposed, the following are satisfied: the length-diameter ratio is 15-20: 1, preferably 17 to 18: 1; and the ratio of the distance between the dust suppression part and the first elbow to the inner diameter of the dredging conduit is 1-10:1, and the ratio of the distance between the dust suppression part and the first elbow to the inner diameter of the dredging conduit is further preferably 3-10: 1, more preferably 5 to 6: 1;
when the part is vertically arranged, the following conditions are satisfied: the length-diameter ratio is 3-20: 1, preferably 5 to 6: 1; and the ratio of the distance between the dust suppression part and the first elbow to the inner diameter of the dredging conduit is 2-10: 1, preferably 3 to 4: 1.
preferably, the blowing mechanism comprises a rack and a rotatable blowing pipe arranged on the rack, and a plurality of blowing ports are formed in one side, close to the ash pumping mechanism, of the blowing pipe and used for blowing to the ash covering equipment in multiple angles.
Preferably, the dust removing system further comprises:
the supporting net is arranged on one side, close to the blowing mechanism, of the ash pumping mechanism and is used for supporting the ash covering equipment;
and the air deflector is arranged on one side of the ash pumping mechanism close to the purging mechanism, and the opening of the air deflector is gradually reduced along the direction close to the ash pumping mechanism.
Preferably, the dust removing system further comprises: and the recovery part is positioned at the outlet of the dredging pipe and is used for recovering the airflow and/or the dust coming out of the dredging pipe.
Preferably, the recovery part is a sluiceway or a sedimentation tank.
In a second aspect, the present invention provides a dust removing method of the dust removing system of the first aspect, including:
placing the ash covering equipment between the blowing mechanism and the ash pumping mechanism and close to the ash pumping mechanism; then, the blowing mechanism, the dust pumping mechanism and the dust suppression part are started, dust on the dust covering equipment is blown and raised by the blowing mechanism, is pumped into the dredging pipe by the dust pumping mechanism, is sprayed and atomized by the dust suppression part, and then flows to the downstream of the dredging pipe.
Preferably, the dust removing method further comprises: and adjusting the suction air quantity of the ash pumping mechanism and the water spraying pressure of the dust suppression part according to the actual storage conditions of electric energy and water energy.
Preferably, the dust removing method further comprises: and (3) enabling turbid water and air flow formed after water spraying and atomization to flow into the slag sluiceway so as to replace air in the slag sluiceway and/or recover iron oxide in dust.
In a third aspect, the invention provides application of the dust removal system in the first aspect in dust removal of dust-coating equipment in a steel rolling workshop.
According to the technical scheme, especially the dust suppression part with a specific structure is matched with the position arrangement of the blowing mechanism and the dust pumping mechanism, dust blown can be rapidly and comprehensively sucked and atomized into liquid, no bad influence is caused on the environment or operators, and the environmental protection performance is remarkably improved; wherein, the dust portion that presses down that has specific structure can realize even, quick atomizing dust to the dust pumping mechanism that makes to be located dredging pipe head and the dust portion that presses down on the dredging pipe locate to form the atmospheric pressure difference, thereby provides certain suction power, and can carry out splendid control to the dust flow direction, and then can effectively control the dust, can reduce the suction power of dust pumping mechanism simultaneously, the energy saving consumes.
In addition, the wind energy (or electric energy) and the water energy are mutually combined to form complementation, so that the use amount of the wind energy and the water energy can be adaptively adjusted according to social and environmental requirements under any condition, the cleaning work of the ash covering equipment is ensured to be finished, and simultaneously, the energy consumption is reduced, so that the low-carbon and environmental-friendly effects are realized.
The invention also has at least the following advantages:
one is as follows: the dust-covering device has a simple structure and low requirements on equipment, and dust on the dust-covering equipment is effectively controlled in the cleaning process, so that the dust flying condition in the whole day is avoided, and the physical and mental health of operators and field operators is facilitated;
the second step is as follows: dust is atomized into liquid, so that the recovery of iron oxide in the dust is facilitated, the energy is saved, the environment is protected, and the environment-friendly project can be completed without investing a large amount of funds;
and thirdly: the sweeping mechanism and the ash pumping mechanism are matched in position, so that the ash pumping mechanism finishes ash pumping on one surface of the ash coating device, the sweeping mechanism finishes ash blowing on the other surface, the efficiency is greatly improved, the condition that an operator needs to sweep by holding the device by hand is avoided, the ash coating device is placed on one side of the ash pumping mechanism, and the operation can be finished by rotating the sweeping mechanism and starting the ash pumping mechanism;
fourthly, the method comprises the following steps: the cleaning device is particularly suitable for lighter ash-covering equipment, and the cleaning cleanliness is higher;
and fifthly: the operating efficiency is greatly improved, and the operator can bring the guarantee to the health by wearing a common protective mask.
Furthermore, under the scheme of the preferred structure of the invention, the adopted wind energy and water energy are further reduced while the dust removal effect is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of one embodiment of the dust removing system of the present invention.
Fig. 2 is a side view of the dust suppressing portion of fig. 1.
FIG. 3 is a schematic structural view of an embodiment of a purge mechanism.
FIG. 4 is a schematic structural diagram of an embodiment of an ash extraction mechanism.
Description of the reference numerals
1-blowing mechanism 2-ash pumping mechanism 3-dredging pipe
4-dust suppression part 5-recovery part 6-supporting net
7-wind deflector
11-purging pipe 12-purging port 13-handle
31-elbow
41-circular ring piece 42-nozzle 43-water inlet
Detailed Description
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.
In the present invention, "upstream" and "downstream" refer to upstream and downstream in the dust flow direction. The terms "vertical", "horizontal" and the like are generally used in the sense that they are understood in conjunction with the drawings and the orientation shown in the actual application, and "inner" and "outer" refer to the inner and outer of the profile of the component.
As described above, in a first aspect, the present invention provides a dust removing system, as shown in fig. 1, including a purging mechanism 1, an ash pumping mechanism 2, a dredging pipe 3, and a dust suppressing portion 4 disposed on the dredging pipe 3, where the purging mechanism 1 and the ash pumping mechanism 2 are respectively disposed on two opposite sides of an ash covering device; and the dust suppressing portion 4 includes:
a circular ring member 41 fitted around the dredging pipe 3 in the circumferential direction;
and a plurality of nozzles 42 which are arranged at intervals in the inner circumferential direction of the circular ring piece 41, the water spraying direction of the nozzles 42 is arranged towards the exhaust port direction of the part of the dredging pipe 3 where the dust suppression part 4 is positioned, and the included angle between the water spraying direction and the pipe wall of the dredging pipe 3 adjacent to the downstream is less than 45 degrees.
In the invention, particularly, through the matching arrangement of the structures, the dust in the suction airflow can be quickly and uniformly sprayed and atomized in a short time, and the capillary type water spraying cover is strong in dust, so that on one hand, the dust flying at the outlet at the other end of the dredging pipe 3 can be prevented, on the other hand, a certain air pressure difference can be formed in the dust pumping mechanism 2 and forms a certain suction power, so that the dust can be well sucked by the small suction power, the dust flow direction can be excellently controlled, and the energy consumption can be remarkably saved; and the structure is simple, and the requirement on corollary equipment is not high because the strong suction power is not needed. The invention can clean 50-100 kg of dust in each minute under the condition that the dust does not overflow when entering the suction mechanism 2.
Preferably, the angle between the water spraying direction and the pipe wall of the adjacent downstream dredging pipe 3 is 10 ° to 35 °, further preferably 10 ° to 30 °. This preferred scheme is more favorable to the dust in will drawing the air current quick, even atomizing, promotes the direction and the speed of the interior amount of wind of suction mechanism 2 more. It will be appreciated that the water spray direction is directed towards the exhaust port at the other end of the evacuation conduit 3.
In the present invention, it is understood that the dredging pipe 3 is connected with the ash pumping mechanism 2 in a sealing way, for example, in a non-clearance way in a detachable way. The other end of the dredging pipe 3 can be arranged to any collecting point or recycling point according to actual requirements by those skilled in the art.
The invention has no limitation on the installation mode of the dredging pipe 3 and the dust suppression part 4, as long as the sealing connection can be realized; for example, the evacuation conduit 3 may comprise a first evacuation conduit and a second evacuation conduit, the first evacuation conduit and the second evacuation conduit having a gap-free connection between them to the dust suppression portion 4. It is understood that the inner diameter of the dust suppressing part 4 and the inner diameter of the duct 3 may be the same, or may be different, preferably the same.
Preferably, a plurality of nozzles 42 are arranged at regular intervals in the inner circumferential direction of the ring member 41.
It can be understood that, as shown in fig. 2, the circular ring member 41 includes an outer circular line and an inner circular line which surround to form a water flowing channel, an inner circumference of the circular ring member refers to the inner circular line, and a water outlet (not shown) is formed on the inner circular line, the water outlet is correspondingly connected to the nozzle 42, or the water outlet and the nozzle 42 are integrated to realize water spraying, and a water inlet 43 is formed on the outer circular line of the circular ring member 41, and the water inlet 43 is communicated with a water source. In view of cost, the water source is preferably turbid circulating water, and may be pure circulating water.
According to the present invention, it is preferable that the ratio of the interval between two adjacent nozzles 42 to the total length of the inner circumference in the direction of the inner circumference of the ring member 41 is 1 to 4:100, more preferably 1.2 to 3.5: 100. The optimized scheme is more beneficial to promoting the uniformity and timeliness of atomization, and is more beneficial to quickly forming the air pressure difference and increasing the air pressure difference.
In a more preferred embodiment, the distance between two adjacent nozzles 42 is 2-5cm relative to a 50cm inner diameter ring 41.
It is understood that the interval between two adjacent nozzles 42 refers to a rectangular length between two adjacent nozzles 42 in the direction of the inner circumference of the ring member 41.
In the invention, the sizes of the blowing mechanism 1 and the ash pumping mechanism 2 can be selected by a person skilled in the art according to the size of the ash coating equipment so as to realize high-efficiency dust removal with matching performance.
The water pressure of the water spray from the nozzle 42 may be selected by those skilled in the art to facilitate the promotion of atomization, depending on the size of the dredging conduit 3. Preferably, the water pressure of the water sprayed from the nozzle 42 is 0.2 to 0.7MPa, more preferably 0.2 to 0.5MPa, with respect to the dredging pipe 3 having an inner diameter of 40 to 50 cm.
More preferably, the water pressure of the water sprayed from the nozzle 42 is increased by 0.01 to 0.02MPa for every 1cm increase of the inner diameter of the dredging pipe 3. This preferred scheme can further guarantee along with the change of dredging 3 internal diameters of pipe, and the atomizing effect homoenergetic keeps good effect.
The selection of the suction air volume in the evacuation duct 3 can be made by a person skilled in the art based on considerations of steady airflow and dust suction conditions. Preferably, the suction air quantity in the ash pumping mechanism 2 is 2000-3More preferably 2000-6000m3H is used as the reference value. This preferred scheme more does benefit to and promotes the stable circulation of convulsions air current, promotes the quick suction of dust simultaneously.
Furthermore, technicians in the field can adjust the adaptability of air quantity and water pressure according to the actual conditions of electric energy or wind energy and water sources so as to realize dust removal under the conditions of energy conservation and water conservation. For example, the air suction volume is reduced and the water pressure of water spraying is increased during the peak period of power utilization; and in the period of low peak of electricity utilization, the air suction quantity is increased, and the water pressure of water spraying is reduced.
More preferably, the suction air quantity in the ash pumping mechanism 2 is 2000-3000m during the peak period of electricity utilization relative to the dredging pipe 3 with the inner diameter of 40-50cm3The water pressure of the water sprayed from the nozzle 42 is 0.4 to 0.65MPa, and more preferably 0.4 to 0.5 MPa; because the hydraulic equipment is always in a production state in a production workshop and is irrelevant to power consumption, the power consumption can be reduced in the peak period of power consumption, and the water pressure is increased to drive the airflow in the dredging pipe 3 and increase the water mist, thereby realizing the cleaning of the ash-covering equipment; in the period of low peak of electricity consumption, the suction air volume in the ash pumping mechanism 2 is 5000-3Further preferably 5000-3The water pressure of the water spray of the nozzle 42 is 0.2-0.3 MPa. The preferred scheme can realize energy conservation and environmental protection, and wind energy (or electric energy) and water energy are mutually combined to form complementation, so that the cleaning work of the ash-covering equipment is completed according to social and environmental requirements under any condition, the energy consumption is reduced, and the low-carbon and environmental protection of enterprises are realized.
In the invention, a person skilled in the art can determine whether the electricity utilization peak time period or the electricity utilization low peak time period is used according to the actual electricity utilization condition and the actual time difference; for example, peak hours of electricity usage range from 8.00 a.m. to 22.00 a.m., with the remainder being peak hours of electricity usage.
In the present invention, the shape of the duct 3 can be selected by those skilled in the art according to the suction and airflow conditions, and may be, for example, a linear type or a multi-line type (e.g., a multi-bend structure). It will be appreciated that the evacuation conduit 3 is required to ensure that the atomised liquid is directed away regardless of its shape, and that the shape of the evacuation conduit 3 can be optimised by those skilled in the art on this basis.
Preferably, the height of the tail end of the dredging pipe 3 is lower than that of the ash pumping mechanism 2, and no more than 6 bends 31 are arranged on the dredging pipe 3.
It should be understood that when the canalizing duct 3 has a plurality of bends 31, the whole course of the canalizing duct 3 should be downward to smoothly guide the atomized liquid out.
In the invention, the relative positions of the dust suppression part 4 and the plurality of elbows 31 can be selected by a person skilled in the art according to the airflow condition and the dust suppression effect; for example, the dust suppressing portion 4 may be located upstream or downstream of any of the bends 31.
In a particularly preferred embodiment, the dust suppression part 4 is arranged upstream of the first bend 31 close to the dust extraction mechanism 2. This preferred scheme through the dead weight of convulsions air current and dust, water, realizes the smooth circulation of air current and atomized liquid, effectively prevents simultaneously that the great loss from appearing in the suction amount of wind of mechanism 2 of drawing ashes.
In another embodiment, the dust suppressing portion 4 is disposed downstream of the first bend 31. This preferred embodiment provides a 30% or more reduction in dust suppression relative to the embodiment disposed upstream of the first bend 31.
More preferably, 1 elbow 31 is arranged on the dredging pipe 3.
Preferably, the part of the dredging pipe 3 located before the first elbow 31 is obliquely arranged, which is more beneficial to fully exert the driving action of gravity on the atomized liquid, and simultaneously, the suction air volume loss is reduced to the maximum extent. It is understood that the portion before the first bend 31 refers to the portion of the dredging pipe 3 before the first bend 31, which is close to the ash-pumping mechanism 2, that is, the portion of the dredging pipe 3 close to the head.
In the present invention, preferably, for the part of the evacuation conduit 3 before the first bend 31,
when the portion is horizontally disposed (as shown in fig. 1), it satisfies: the length-diameter ratio is 15-20: 1, preferably 17 to 18: 1; and the ratio of the distance between the dust suppression part 4 and the first elbow 31 to the inner diameter of the dredging pipe 3 is 1-10:1, and the ratio of the distance between the dust suppression part 4 and the first elbow 31 to the inner diameter of the dredging pipe 3 is more preferably 3-10: 1, more preferably 5 to 6: 1;
when the part is vertically arranged, the following conditions are satisfied: the length-diameter ratio is 3-20: 1, preferably 5 to 6: 1; and the ratio of the distance between the dust suppression part 4 and the first elbow 31 to the inner diameter of the dredging pipe 3 is 2-10: 1, preferably 3 to 4: 1.
under above-mentioned preferred scheme, can further improve the flow direction control to the dust, it flows fast to drive the air through the wind energy at elbow 31 department, blow atomizing dust to elbow 31 after more smooth, prevent that wind energy from flowing unsmoothly at elbow 31 and leading to energy loss, in order to the dust that will sweep more, the efficient, it is quick, stable suction is to dredging in the pipe 3, and further make the dust in the suction air current faster, more even atomizing, more be favorable to promoting the atmospheric pressure difference, and then promote the smooth circulation downwards of first elbow 31 of atomized liquid, prevent the position before first elbow 31 of granule deposit in the atomized liquid.
In the present invention, the "length-diameter ratio" refers to the ratio of the length of the portion of the canalizing duct 3 before the first bend 31 to the inner diameter, wherein the length refers to the distance between the edge of the head of the canalizing duct 3 and the center point of the first bend 31 along the axial direction of the portion of the canalizing duct 3.
The "distance between the dust suppressing portion 4 and the first bend 31" means a distance between an annular center point of the dust suppressing portion 4 and a center point of the first bend 31 in an axial direction of the portion of the duct 3.
The specific structure of the blowing mechanism 1 provided by the invention can blow the dust covering equipment to lift dust. For example, it may be an automatically controlled or manually operated blowpipe.
In a particularly preferred embodiment, as shown in fig. 3, the purging mechanism 1 includes a frame (not shown) and a rotatable purging pipe 11 mounted on the frame, and a plurality of purging ports 12 are opened on one side of the purging pipe 11 close to the ash pumping mechanism 2 for purging the ash coating equipment at multiple angles. Under the preferred scheme, the mechanism can fix the purging pipe 11, the purging pipe with the pressure of the purging gas can not bring extra workload to the operators, and the original mode that the operators need to hold the compressed air blowpipe to purge the ash coating equipment is changed; and the purging pipe 11 can rotate, so that the purging can be performed at multiple angles, and the purging of the purging ports 12 is more thorough and efficient.
It should be understood that the purge line 11 is connected to the frame, either horizontally as shown in fig. 3 or vertically.
It will be appreciated that the purge tube 11 is provided with a gas inlet (not shown) which communicates with the purge port 12 to provide a purge gas, preferably compressed air. The number, arrangement interval and arrangement of the purge ports 12 can be selected by a person skilled in the art according to the size of the ash coating equipment; for example, it may be arranged in a single row along the axial direction of the purge pipe 11.
The rotatable purging pipe 11 controls the purging angle through rotation to achieve full purging. The invention has no limitation on the specific connection mode of the rotatable purging tube 11, as long as the purging tube 11 can be rotated, for example, the connection mode can be manually controlled, specifically, for example, a handle 13 can be installed on one side of the purging tube 11, and the purging tube 11 is installed on the rack through a bearing in a rolling manner; the purging device can also be automatically controlled, specifically, for example, the end of the purging pipe 11 is connected with a motor, and the forward rotation and the reverse rotation of the purging pipe 11 are realized by controlling the forward rotation and the reverse rotation of the motor.
In the present invention, the number of the purge pipes 11 may be one or plural (for example, plural pipes arranged in parallel). Considering the energy consumption, one purging pipe 11 can be adopted, so that the energy consumption of purging is saved. In view of the working efficiency, a plurality of purge pipes 11 may be used, and the working time is short.
The invention has no any limitation to the specific structure of the ash pumping mechanism 2, and the ash pumping can be realized; for example, as shown in fig. 4, the ash pumping mechanism 2 may include an ash pumping pipe (not shown) and an axial flow fan (not shown) with an impeller (not shown) disposed inside the ash pumping pipe, which is mainly advantageous in that it is convenient for market purchase or for self-manufacture, the axial flow fan is installed in a direction toward the blowing mechanism 1, and the wind direction is set from the blowing mechanism 1 to the ash pumping mechanism 2, that is, one side of the ash pumping pipe facing the blowing mechanism 1 is an air inlet, and the other side is an air outlet.
In the invention, the ash pumping mechanism 2 can be arranged in a vertical mode, and at this time, all equipment behind the dredging pipe 3 is also vertically arranged together, the height is preferably 0.6-1.6 m, the operation is convenient, and operators can operate while standing; the device can be arranged in the horizontal direction, as shown in fig. 1, is suitable for installation in various environments, has low requirement on installation space, and has certain operation difficulty when cleaning relatively heavy equipment.
According to the present invention, preferably, as shown in fig. 4, the dust removing system further includes: and the supporting net 6 is arranged on one side of the ash pumping mechanism 2 close to the purging mechanism 1 and is used for supporting the ash coating equipment. The technical personnel in the field can select the mesh number of the supporting net 6 according to the actual requirement, preferably, the mesh number is based on the condition that the fingers of the operating personnel cannot be plugged into the meshes, so that the safety can be ensured, and meanwhile, the ash covering equipment to be blown can be placed on the supporting net 6.
According to the present invention, preferably, as shown in fig. 1, the dust removing system further includes: and the air deflector 7 is arranged on one side of the ash pumping mechanism 2 close to the purging mechanism 1. More preferably, the opening of the air deflector 7 is gradually reduced in the direction close to the ash extraction mechanism 2, i.e. is trumpet-shaped. By adopting the preferred scheme of the invention, the wind direction of the dust and the dust pumping mechanism 2 can be better controlled, and dust can be pumped into the dust pumping mechanism 2 as much as possible.
According to the present invention, preferably, as shown in fig. 1, the dust removing system further includes: a recycling part 5, which is positioned at the outlet of the dredging pipe 3 and is used for recycling the airflow and/or the dust coming out of the dredging pipe 3. For the recovery of the gas stream, the person skilled in the art can use existing recovery structures; for dust recovery, one skilled in the art can select the recovery equipment based on the recovery or treatment of a component.
More preferably, the recovery part 5 is a sluiceway or a sedimentation tank. It will be appreciated that the sluiceway or settling pond is typically located at a sub-ground level, including but not limited to the mill's sluiceway. The preferred scheme is more beneficial to the recovery of iron elements in the dust and is convenient for centralized treatment.
In the invention, if the geographical position (namely the position lower than the ground) similar to a slag flushing ditch does not exist in the practical application scene, a sedimentation tank can be manufactured, iron in dust and water of a dust suppression part 4 flow into the sedimentation tank through a dredging pipe 3, the dust is settled at the bottom of the sedimentation tank, after a certain amount of dust is collected, recoverable elements such as iron elements in the dust are removed or extracted for reuse, the water is discharged to a wastewater collection tank through a high-position water outlet above the sedimentation tank, and the wastewater can be reused in the dust suppression part 4 after the wastewater is settled in the collection tank.
The dust removal system can be used for any dust-coating equipment needing dust removal in any field, and is particularly suitable for lighter dust-coating equipment such as a filter screen.
In a second aspect, the present invention provides a dust removing method of the dust removing system of the first aspect, including:
placing the ash covering equipment between the blowing mechanism 1 and the ash pumping mechanism 2 and close to the ash pumping mechanism 2; then, the blowing mechanism 1, the dust pumping mechanism 2 and the dust suppression part 4 are started, dust on the dust covering equipment is blown and raised by the blowing mechanism 1, is pumped into the dredging pipe 3 by the dust pumping mechanism 2, is sprayed and atomized by the dust suppression part 4, and then flows to the downstream of the dredging pipe 3.
It will be appreciated that the water spray is atomised and then flows downstream with the gas stream.
Preferably, the dust removing method further comprises: according to the actual reserve conditions of electric energy and water energy, the suction air quantity of the ash pumping mechanism 2 and the water pressure of the water spraying of the dust suppression part 4 are adjusted.
In above-mentioned preferred scheme, can be according to actual conditions, adaptability adjustment wind energy and hydroenergy can satisfy actual demand, can guarantee the dust removal effect again, and energy-concerving and environment-protective. For example, during the peak period of electricity consumption (8.00-22.00 in the morning and the rest being the low peak period), the air volume can be properly reduced, and the water pressure can be adaptively adjusted, so as to maximally save electric energy or wind energy; in the period of low peak of electricity consumption, the water pressure is reduced, and the air quantity is adjusted in an adaptive manner, so that the water energy is saved to the maximum extent.
In the dust removal method of the invention, a person skilled in the art can also carry out proper communication or centralized matching treatment according to the specific dust condition (such as contained metal elements) of a steel rolling workshop and other existing treatment units (such as a slag sluiceway).
According to the present invention, preferably, the dust removing method further comprises: and (3) enabling turbid water and air flow formed after water spraying and atomization to flow into the slag sluiceway so as to replace air in the slag sluiceway and/or recover iron oxide in dust. Under the preferred scheme, iron in the dust and atomized water of the dust suppression part 4 can flow into the slag flushing ditch through the dredging pipe 3, and can be discharged into the cyclone well together with iron oxide flowing to the slag flushing ditch in the workshop production process for centralized collection and treatment; and the air flow in the dredging pipe 3 can replace harmful gas in the slag flushing ditch, thereby achieving the purposes of recycling and high-efficiency utilization.
In a third aspect, the invention provides application of the dust removal system in the first aspect in dust removal of dust-coating equipment in a steel rolling workshop.
The dust removal system is used for dust removal of the dust covering equipment in the steel rolling workshop, and can intensively recycle iron elements in dust to the slag flushing ditch for centralized treatment; at the same time, the suction air flow can be used for replacing harmful gas in the slag sluiceway.
The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention.
Example 1
The dust removing system of the embodiment, as shown in fig. 1-4, includes a purging mechanism 1, an ash pumping mechanism 2, a dredging pipe 3 with an elbow 31, a recycling part 5 (slag flushing channel), and a dust suppressing part 4 disposed on the dredging pipe 3, the head part of the dredging pipe 3 is disposed obliquely, and the height of the tail end is lower than that of the ash pumping mechanism 2, the dust suppressing part 4 includes a circular ring part 41 and nozzles 42 disposed at intervals along the inner circumferential direction thereof, the water spraying direction of the nozzles 42 is disposed towards the exhaust port direction of the dredging pipe 3, the included angle between the water spraying direction and the pipe wall of the dredging pipe 3 adjacent to the downstream is 25 °, the distance between two adjacent nozzles 42 is 4cm, the inner diameter of the dredging pipe 3 is 50cm, and the inner diameter of the dust suppressing part 4 is the same as the inner diameter of the dredging pipe 3. For the part of the canalizing duct 3 before the bend 31 (i.e. the head part), the length to diameter ratio is 18: 1; and the ratio of the distance between the dust suppression part 4 and the elbow 31 to the inner diameter of the dredging pipe 3 is 5: 1.
and one side of the ash pumping mechanism 2 close to the purging mechanism 1 is provided with a supporting net 6 and an air deflector 7. It is composed ofIn the middle, the purging mechanism 1 is shown in fig. 3, and comprises a frame, a rotatable purging pipe 11 and a handle 13 for controlling rotation, wherein a row of purging ports 12 are arranged on the purging pipe 11 along the horizontal direction; the ash pumping mechanism 2 comprises an ash pumping pipe and an axial flow fan with an impeller arranged in the ash pumping pipe, as shown in fig. 4. Axial fans are equipped with a 3KW centrifugal fan, which can produce 6000m3The air volume per hour.
The dust removal process is as follows: after an operator wears the mask, the operator holds the dust covering equipment (a support net for covering dust in a steel rolling workshop) to be supported on the air deflector 7 on the dust pumping mechanism 2, the blowing mechanism 1, the dust pumping mechanism 2 and the dust suppression part 4 are opened, dust on the dust covering equipment is blown and raised by the blowing mechanism 1, is quickly sucked by the dust pumping mechanism 2 to enter the dredging pipe 3, is sprayed and atomized by the dust suppression part 4, and then flows to the downstream slag sluiceway of the dredging pipe 3.
Wherein, in the peak period of electricity utilization, the air suction volume is reduced and is 2500m3The method specifically adopts a 3KW centrifugal fan, uses variable frequency control, has output frequency of half, 25 Hz, can reduce half of power consumption relative to the maximum air quantity, and simultaneously ensures dust suction and atomization effects; the water pressure of the dredging pipe 3 is increased, the water pressure is set to be 0.50MPa, the pressure is controlled by a water pump or a valve, if the pressure is controlled by the valve, the valve is fully opened, and if the pressure is controlled by the water pump, the flow of the water pump is fully opened; in a production workshop, hydraulic equipment is always in a production state and is irrelevant to power consumption, and the power consumption does not exist.
In the period of low peak of electricity consumption, the air suction quantity is increased and is 6000m3And h, reducing the water pressure of the dredging pipe 3, wherein the water pressure is set to be 0.20MPa, and saving water can be realized.
In the dust removal process of the embodiment, no dust leaks into the environment (namely, no overflow) through observation; meanwhile, energy conservation and environmental protection are realized, wind energy and water energy are mutually combined to form complementation, the ash-coated equipment cleaning work is completed according to social and environmental protection requirements under any condition, the energy consumption is reduced, and low-carbon and environmental protection of enterprises are realized.
Example 2
The procedure is as in example 1, except that the angle between the direction of the water spray from the nozzle 42 and the wall of the dredging conduit 3 adjacent downstream is 40 °.
Under this scheme, need to improve the extraction volume and be 7000m in peak period of power consumption3The water pressure is required to be increased to 0.6MPa in the peak period of electricity utilization. The dust removing effect of the suction and atomization was the same as that of example 1.
Example 3
The procedure is as in example 1, except that for the part of the canalizing duct 3 before the bend 31, the length to diameter ratio is 1: 20.
under this scheme, need to improve the extraction volume and be 8000m in peak period of power consumption3The water pressure is required to be increased to 0.65MPa in the peak period of electricity utilization. The dust removing effect of the suction and atomization was the same as that of example 1.
Example 4
The procedure is as in example 1, except that the ratio of the spacing between the dust suppressing part 4 and the bend 31 to the inner diameter of the dredging conduit 3 is 1: 1.
under this scheme, need to improve the extraction volume and be 8000m in peak period of power consumption3The water pressure is required to be increased to 0.6MPa in the peak period of electricity utilization. The dust removing effect of the suction and atomization was the same as that of example 1.
According to the embodiment, by adopting the scheme of the invention, dust can be quickly sucked for quick atomization, so that the dust is prevented from leaking into the environment; meanwhile, energy conservation and environmental protection are realized, and wind energy and water energy can be mutually combined to form complementation, so that the ash-coated equipment cleaning work is completed according to social and environmental requirements under any condition, the energy consumption is reduced, and low carbon and environmental protection of enterprises are realized.
Further, as can be seen from the comparison between the embodiment 1 and the embodiments 2 to 4, by optimizing the structures of the dredging pipe and the dust suppressing part 4 and the parameter settings thereof, optimization of energy saving and environmental protection can be achieved, for example, selective water saving or electricity saving according to the conditions of electricity and water source.
The above description is only exemplary of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A dust removal system comprises a purging mechanism (1), an ash pumping mechanism (2), a dredging pipe (3) and a dust suppression part (4) arranged on the dredging pipe (3), which are sequentially arranged, and is characterized in that the purging mechanism (1) and the ash pumping mechanism (2) are respectively arranged on two opposite sides of an ash covering device; and the dust suppressing portion (4) includes:
a circular ring member (41) which is sleeved in the circumferential direction of the dredging pipe (3);
and a plurality of nozzles (42) which are arranged in the inner circumferential direction of the circular ring piece (41) at intervals, the water spraying direction of the nozzles (42) is arranged towards the exhaust port direction of the dredging pipe (3) part where the dust suppression part (4) is positioned, and the included angle between the water spraying direction and the pipe wall of the dredging pipe (3) adjacent to the downstream is less than 45 degrees.
2. A dusting system according to claim 1, characterized in that the angle between the water spraying direction and the wall of the adjacent downstream dredging conduit (3) is 10 ° to 35 °.
3. A dusting system according to claim 1, characterized in that along the direction of the inner circumference of said ring element (41), the ratio of the distance between two adjacent nozzles (42) to the total length of the inner circumference is 1-4:100, preferably 1.2-3.5: 100.
4. A dusting system according to claim 3, characterized in that the water pressure of the water spray of said nozzle (42) is 0.2-0.7MPa, more preferably 0.2-0.5MPa, relative to said dredging tube (3) having an inner diameter of 40-50 cm;
preferably, the water spraying pressure of the nozzle (42) is increased by 0.01-0.02MPa for every 1cm of the increase of the inner diameter of the dredging pipe (3);
preferably, said dredging pipe (3) has an inner diameter of 40-50cmThe suction air quantity in the ash pumping mechanism (2) is 2000-8000m3More preferably 2000-6000m3/h；
More preferably, the suction air quantity in the ash pumping mechanism (2) is 2000-3000m during the peak period of electricity utilization3The water spraying pressure of the nozzle (42) is 0.4-0.5 MPa; in the period of low peak of electricity utilization, the suction air volume in the ash pumping mechanism (2) is 5000-3The water spraying pressure of the nozzle (42) is 0.2-0.3 MPa.
5. A dusting system according to anyone of claims 1-4, characterized in that the height of the end of the evacuation conduit (3) is lower than the height of the dust extraction mechanism (2), that no more than 6 bends (31) are arranged on the evacuation conduit (3), and that the dust suppressing part (4) is arranged upstream of the first bend (31) close to the dust extraction mechanism (2);
preferably, 1 elbow (31) is arranged on the dredging pipe (3);
preferably, the part of the dredging pipe (3) which is positioned in front of the first elbow (31) is obliquely arranged.
6. A dusting system according to claim 5, characterized in that for the part of the evacuation conduit (3) before the first bend (31),
when the portion is horizontally disposed, the following are satisfied: the length-diameter ratio is 15-20: 1, preferably 17 to 18: 1; and the ratio of the distance between the dust suppression part (4) and the first elbow (31) to the inner diameter of the dredging pipe (3) is 1-10:1, and further preferably 3-10: 1;
when the part is vertically arranged, the following conditions are satisfied: the length-diameter ratio is 3-20: 1, preferably 5 to 6: 1; and the ratio of the distance between the dust suppression part (4) and the first elbow (31) to the inner diameter of the dredging pipe (3) is 2-10: 1, preferably 3 to 4: 1.
7. the dusting system of claim 1,
the blowing mechanism (1) comprises a rack and a rotatable blowing pipe (11) arranged on the rack, wherein a plurality of blowing ports (12) are formed in one side, close to the ash pumping mechanism (2), of the blowing pipe (11) and used for blowing the ash-covering equipment at multiple angles;
and/or, the dust pelletizing system still includes:
the supporting net (6) is arranged on one side, close to the purging mechanism (1), of the ash pumping mechanism (2) and is used for supporting ash coating equipment;
the air deflector (7) is arranged on one side, close to the purging mechanism (1), of the ash pumping mechanism (2), and the opening of the air deflector (7) is gradually reduced along the direction close to the ash pumping mechanism (2).
8. The dust pelletizing system of claim 1, further comprising: a recovery part (5) which is positioned at the outlet of the dredging pipe (3) and is used for recovering the airflow and/or the dust coming out of the dredging pipe (3);
preferably, the recovery part (5) is a sluiceway or a sedimentation tank.
9. A method of dedusting a dedusting system as recited in any one of claims 1-8, comprising:
placing the ash covering equipment between the blowing mechanism (1) and the ash pumping mechanism (2) and close to the ash pumping mechanism (2); then, a blowing mechanism (1), an ash pumping mechanism (2) and a dust suppression part (4) are started, dust on the ash covering equipment is blown and raised by the blowing mechanism (1), is sucked into a dredging pipe (3) by the ash pumping mechanism (2), is sprayed and atomized by the dust suppression part (4), and then flows to the downstream of the dredging pipe (3);
preferably, the dust removing method further comprises: according to the actual storage conditions of electric energy and water energy, the suction air quantity of the ash pumping mechanism (2) and the water spray pressure of the dust suppression part (4) are adjusted;
preferably, the dust removing method further comprises: and (3) enabling turbid water and air flow formed after water spraying and atomization to flow into the slag washing groove so as to recover iron oxide in dust and/or replace air in the slag washing groove.
10. Use of the dust removal system according to any one of claims 1 to 8 for removing dust from dust-coating equipment in a steel rolling mill plant.
CN202210038756.XA 2022-01-13 2022-01-13 Dust removal system, dust removal method and application thereof Active CN114522933B (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09141133A (en) * 1995-11-16 1997-06-03 Daido Steel Co Ltd Apparatus and method for regenerating electric precipitator
US6451096B1 (en) * 2000-07-06 2002-09-17 Korea Clean Air System Co., Ltd. Air cleaner for removing air pollutants by water spray type of dust collecting system
JP2002273142A (en) * 2001-03-19 2002-09-24 Yoji Kureya Dust collector
CN205221946U (en) * 2015-12-16 2016-05-11 上海汇思机电有限公司 Automatic spray little fog and press down dirt system and rubber belt conveyor
CN107349736A (en) * 2017-08-28 2017-11-17 无锡昊瑜节能环保设备有限公司 A kind of airborne dust workshop air purifier
CN210586190U (en) * 2019-09-12 2020-05-22 湖南交通工程学院 Computer host cleaning device
CN210966176U (en) * 2019-11-16 2020-07-10 顺平县曲寨水泥有限公司 Jet dust collector
CN212123828U (en) * 2020-04-28 2020-12-11 连云港启航阻燃材料有限公司 Dry dust removal aggregate device of plastic particle
CN112691998A (en) * 2020-12-12 2021-04-23 中铁第四勘察设计院集团有限公司 Automatic change motor and sweep dust pelletizing system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09141133A (en) * 1995-11-16 1997-06-03 Daido Steel Co Ltd Apparatus and method for regenerating electric precipitator
US6451096B1 (en) * 2000-07-06 2002-09-17 Korea Clean Air System Co., Ltd. Air cleaner for removing air pollutants by water spray type of dust collecting system
JP2002273142A (en) * 2001-03-19 2002-09-24 Yoji Kureya Dust collector
CN205221946U (en) * 2015-12-16 2016-05-11 上海汇思机电有限公司 Automatic spray little fog and press down dirt system and rubber belt conveyor
CN107349736A (en) * 2017-08-28 2017-11-17 无锡昊瑜节能环保设备有限公司 A kind of airborne dust workshop air purifier
CN210586190U (en) * 2019-09-12 2020-05-22 湖南交通工程学院 Computer host cleaning device
CN210966176U (en) * 2019-11-16 2020-07-10 顺平县曲寨水泥有限公司 Jet dust collector
CN212123828U (en) * 2020-04-28 2020-12-11 连云港启航阻燃材料有限公司 Dry dust removal aggregate device of plastic particle
CN112691998A (en) * 2020-12-12 2021-04-23 中铁第四勘察设计院集团有限公司 Automatic change motor and sweep dust pelletizing system

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