CN109127169A - A kind of side air inlet Verticle vortex powder concentrator selects powder method and application - Google Patents

A kind of side air inlet Verticle vortex powder concentrator selects powder method and application Download PDF

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Publication number
CN109127169A
CN109127169A CN201811124099.0A CN201811124099A CN109127169A CN 109127169 A CN109127169 A CN 109127169A CN 201811124099 A CN201811124099 A CN 201811124099A CN 109127169 A CN109127169 A CN 109127169A
Authority
CN
China
Prior art keywords
cage rotor
volute
powder concentrator
powder
air inlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811124099.0A
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Chinese (zh)
Inventor
侯国锋
张爽
张黎
王明治
王娜
何毛
王小峰
褚旭
李洪
于君
石国平
许芬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Cement Industry Design and Research Institute Co Ltd
Sinoma Technology and Equipment Group Co Ltd
Original Assignee
Tianjin Cement Industry Design and Research Institute Co Ltd
Sinoma Technology and Equipment Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Cement Industry Design and Research Institute Co Ltd, Sinoma Technology and Equipment Group Co Ltd filed Critical Tianjin Cement Industry Design and Research Institute Co Ltd
Priority to CN201811124099.0A priority Critical patent/CN109127169A/en
Publication of CN109127169A publication Critical patent/CN109127169A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04CAPPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00Apparatus in which the axial direction of the vortex is reversed
    • B04C5/08Vortex chamber constructions
    • B04C5/103Bodies or members, e.g. bulkheads, guides, in the vortex chamber
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04BCENTRIFUGES
    • B04B5/00Other centrifuges
    • B04B5/10Centrifuges combined with other apparatus, e.g. electrostatic separators; Sets or systems of several centrifuges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04BCENTRIFUGES
    • B04B5/00Other centrifuges
    • B04B5/12Centrifuges in which rotors other than bowls generate centrifugal effects in stationary containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04CAPPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00Apparatus in which the axial direction of the vortex is reversed
    • B04C5/14Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations

Landscapes

  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention discloses a kind of side air inlet Verticle vortex powder concentrator, powder method and application are selected, belongs to grinding and selects powder technical field, including the volute for being located at top and the conical shell for being located at lower part;The volute is horizontally disposed, and the open end of the volute is air inlet;The air outlet of connection dust arrester installation is equipped on volute top;Cage rotor is equipped in volute, the air outlet is located at the top of cage rotor;The driving device connecting with the cage rotor is equipped with above volute;In the outside of the cage rotor circumferentially arranged with wind blade;Shelly-shaped hypocentrum is equipped in the conical shell, the hypocentrum is placed in the underface of cage rotor, and the lower end of hypocentrum is communicated with middle coarse powder discharge pipe;The end of the middle coarse powder discharge pipe extends substantially downward to the outside of the conical shell;The lower end of the conical shell is communicated with coarse powder discharge pipe.Powder concentrator of the invention is structurally reasonable, reliable for operation, reduces abrasion, efficient energy consumption.

Description

A kind of side air inlet Verticle vortex powder concentrator selects powder method and application
Technical field
The invention belongs to grinding and powder technical field is selected, more particularly to a kind of side air inlet Verticle vortex powder concentrator, selects powder Method and application.
Background technique
Powder concentrator is one of key equipment of grinding system, is widely used in the industries such as cement and electric power, and powder concentrator is usual Using different-grain diameter material particle in air medium stress condition difference material particles are sorted, performance is direct Influence the energy consumption and production capacity of entire grinding system.The widest high-efficient powder concentrator of domestic and international application is mainly cage rotor choosing at present Powder machine sorts material using the balance that gas carries power, material self weight and three power of rotor centrifugal force.Cage rotor selects powder Machine is widely applied in the world, has developed out kind structure type, but there is no variations substantially for its central principle.
According to existing grinding system technology and industrial practice, the feeding manner of cage rotor powder concentrator mainly has at present Material top, which is fed directly into, brings two kinds into lower part air inlet.Top feeding has that unavoidable feeding is irregular, and It needs to be equipped with material lift equipment, powder concentrator device structure can also be generated and be seriously worn;Lower stream of airflow brings the mode of material into Higher air quantity and wind pressure are then needed, the height of big specification equipment lifting is obviously increased, a large amount of material is by gas lift The energy consumption of system is not only dramatically increased, but also serious erosive wear is generated to powder concentrator internal component, influences system operation Stable and service life of equipment.
Summary of the invention
The present invention is to solve technical problem present in well-known technique, provides a kind of efficient low-consume and improves equipment life Side air inlet Verticle vortex powder concentrator, select powder method and application.
The invention is realized in this way
A kind of side air inlet Verticle vortex powder concentrator, including the volute for being located at top and the conical shell for being located at lower part;The volute Horizontally disposed, the open end of the volute is air inlet;The air outlet of connection dust arrester installation is equipped on volute top;It is set in volute There is cage rotor, the air outlet is located at the top of cage rotor;
The driving device connecting with the cage rotor is equipped with above volute;The outside of the cage rotor circumferentially Equipped with wind blade;
Shelly-shaped hypocentrum is equipped in the conical shell, the hypocentrum is placed in the underface of cage rotor, hypocentrum Lower end is communicated with middle coarse powder discharge pipe;The end of the middle coarse powder discharge pipe extends substantially downward to the outside of the conical shell;It is described The lower end of conical shell is communicated with coarse powder discharge pipe.
Further, the partition of setting is provided with along air-flow trend in volute bottom.
Further, the spacing of the wind blade is in 20~100mm.
Further, the wind blade and the angle of cage rotor radial direction are 15~75 °.
Further, air inlet Verticle vortex powder concentrator in any of the above-described side selects powder method, includes the following steps:
S1, material bring powder concentrator by air-flow from air inlet, under the action of air intake passage internal partition, air-flow and belongings Material is divided into two parts to be entered in the volute along air inlet;
Part bulky grain in S2, material is fallen first in the case where gravity, vortex centrifugal power and gas carry power compound action In to the conical shell;Another part bulky grain is stopped by wind blade, not can enter cage rotor, also falls into the vertebra shell of lower section Interior, then two parts bulky grain passes through coarse powder discharge pipe together and is discharged powder concentrator;
S3, small particles material follow air-flow pass through wind blade and enter cage rotor powder-separating area domain;In air-flow High speed rotation cage rotor by material fine grained and middle coarse granule separate, wherein be greater than partition size material fall Enter in hypocentrum and slide to middle coarse powder discharge pipe, ultimately forms middle coarse powder and be discharged to outside powder concentrator;
S4, cage rotor is passed through in rotation less than the material of partition size, and entered with air-flow by air outlet and select powder The subsequent dust arrester installation of machine, is finally collected as finished product.
Further, the application of any of the above-described kind of side air inlet Verticle vortex powder concentrator, Verticle vortex powder concentrator is entered the wind in the side Applied to cement roller press final grinding system.
Further, the application of any of the above-described kind of side air inlet Verticle vortex powder concentrator, Verticle vortex powder concentrator is entered the wind in the side Applied to raw material final grinding system of roll squeezer.
Further, the application of any of the above-described kind of side air inlet Verticle vortex powder concentrator, Verticle vortex powder concentrator is entered the wind in the side Applied to various slags or metallurgical slag final grinding system of roll squeezer.
Further, the application of any of the above-described kind of side air inlet Verticle vortex powder concentrator, the side air inlet Verticle vortex select powder Machine is applied to the final grinding system of roll squeezer of metal or nonmetallic ore.
The positive effect of the present invention and advantage:
1, in the present invention, the on-demand powder air quantity of material is entered by volute side, reduces powder concentrator internal gas flow improving material Height, to reduce the internal drag of powder concentrator, while the technology arrangement height of powder concentrator equipment can also be reduced, save it is whole The construction investment of body project;
2, furthermore all being brought by air quantity by powder concentrator, powder concentrator device external do not need material lifting and set material It is standby, spout and spreading disc mechanism itself are not needed yet, it is structurally reasonable, it is reliable for operation, abrasion is reduced, energy consumption is reduced;
3, material brings top volute by air-flow, realize volute first time eddy flow centrifugal classification and second of cage rotor Centrifugal classification;The excessive material of most of partial size is pre-separated in first time assorting room, reduces the work of second of sorting Make load, improves the whole efficiency of separation;
4, it is provided with the partition of setting in volute, the material of gas and carrying enters cage rotor from partition two sides, avoids Material is assembled around cage rotor, to improve sharpness of separation;
5, by adjusting the deflection angle of the air quantity of powder concentrator, cage rotor revolving speed, different zones wind blade, setting is suitable Suitable production status is, it can be achieved that select the efficient low-consume of powder process.
Detailed description of the invention
Fig. 1 is the structure chart of air inlet Verticle vortex powder concentrator in side provided in an embodiment of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the top view of plane where cage rotor provided in an embodiment of the present invention.
In figure, 1, volute;1-1, air inlet;1-2, air outlet;1-3, partition;2, conical shell;2-1, coarse powder discharge pipe;3, Cage rotor;4, support device;5, driving device;6, wind blade;7, hypocentrum;7-1, middle coarse powder discharge pipe.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to Limit the present invention.
As shown in Figure 1 to Figure 3, the present invention provides a kind of sides to enter the wind Verticle vortex powder concentrator, the whirlpool including being located at top Shell 1 and the conical shell 2 for being located at lower part;The volute 1 is horizontally disposed, and the open end of the volute 1 is air inlet 1-1;In the whirlpool 1 top of shell is equipped with the air outlet 1-2 of connection dust arrester installation;Cage rotor 3 is equipped in volute 1, the air outlet 1-2 is located at cage type The top of rotor 3;
Support device 4 is equipped with above volute 1;The support device 4 is equipped with the driving device of driving powder concentrator work 5;The driving device 5 is connect by slewing equipment with the cage rotor 3;
Wind blade 6 is circumferentially uniformly provided in the outside of the cage rotor 3;Meet separation condition outside cage rotor 3 Material can enter the powder-separating area domain of cage rotor 3 by the gap of wind blade 6.
The shelly-shaped hypocentrum 7 of circular cone is equipped in the conical shell 2, the hypocentrum 7 is placed in the underface of cage rotor 3, The lower end of hypocentrum 7 is communicated with middle coarse powder discharge pipe 7-1;The end of the middle coarse powder discharge pipe 7-1 extends substantially downward to described The outside of conical shell 2;
Coarse powder discharge pipe 2-1 is communicated in the lower end of the conical shell 2;
Due to the high speed rotation of cage rotor 3, the airflow field for attracting material will form in 3 near zone of cage rotor, this Sample is largely focused on material around cage rotor 3, and the material near 1 inner wall of volute is less, and this material is unevenly distributed It will cause after small particles material is swept along by large granular materials and be not easily accessible cage rotor 3, to influence separating effect;Therefore it is Avoid such case, it is preferred that 1 bottom of volute along air-flow trend be provided with the partition 1-3, the partition 1-3 of setting from Air inlet 1-1 is extended at about the 1/2 of 1 stroke of volute, and according to realization operating condition needs, the material of air-flow and carrying can be from partition 1- 3 two sides enter volute 1, so as to avoid aggregation of the material around cage rotor 3.
Since the equipment that patent of invention is related to is not intended to specific standard, specific material and specific use environment, so that Finished product require it is also and nonspecific, therefore can air quantity, 3 revolving speed of cage rotor, different zones wind guide vane by adjusting powder concentrator Suitable production status is arranged in the deflection angle of piece 6, to realize the efficient low-consume for entirely selecting powder process.
Theoretically, the revolving speed of cage rotor 3 is higher, and air drag is bigger, and the particle selected is thinner, therefore cage rotor 3 Revolving speed can be according to the requirement of finished particle gradation, fineness and Bi Biao come selection;Each cage rotor 3 is by driving device 5 It is driven by slewing equipment, driving device 5 includes motor, and revolving speed adjustment is realized by the frequency control of motor.
The spacing of the wind blade 6 is smaller, the angle between 3 radial direction of wind blade 6 and cage rotor is bigger, then material Fineness it is thinner, higher than table, but corresponding resistance (air drag, particle and shock of wind blade 6 etc.) can also increase, because This needs is adjusted according to spacing and angle of the material requirement to wind blade 6.Preferably, the spacing of the wind blade 6 In 20~100mm;The angle of wind blade 6 and cage rotor 3 is 15~75 °.
Above-mentioned side air inlet Verticle vortex powder concentrator selects powder method, includes the following steps:
S1, material bring powder concentrator by air-flow from air inlet 1-1, under the action of air intake passage internal partition 1-3, air-flow and It carries material and is divided into two parts and enter in the volute 1 along air inlet 1-1;
Part bulky grain in S2, material is fallen first in the case where gravity, vortex centrifugal power and gas carry power compound action In to the conical shell 2;Another part bulky grain is stopped by wind blade 6, not can enter cage rotor 3, also falls into the cone of lower section In shell 2, then two parts bulky grain passes through coarse powder discharge pipe 2-1 together and is discharged powder concentrator;
S3, small particles material follow air-flow pass through wind blade 6 and enter cage rotor 3 powder-separating area domain;In gas Stream high speed rotation cage rotor 3 by material fine grained and middle coarse granule separate, wherein be greater than partition size object Material falls into hypocentrum 7 and slides to middle coarse powder discharge pipe 7-1, ultimately forms middle coarse powder and is discharged to outside powder concentrator;
S4, cage rotor 3 is passed through in rotation less than the material of partition size, and entered with air-flow by air outlet 1-2 The subsequent dust arrester installation of powder concentrator, is finally collected as finished product.
In the present invention, material brings top volute 1 by air-flow, realizes the first time eddy flow centrifugal classification and second of volute 1 Secondary 3 centrifugal classification of cage rotor;The excessive material of most of partial size is pre-separated in first time assorting room, reduces second The workload of secondary sorting improves the whole efficiency of separation;Furthermore whole being brought by air quantity by powder concentrator of material, powder concentrator Device external does not need material lift equipment, itself does not need spout and spreading disc mechanism yet, structurally reasonable, reliable for operation, Abrasion is reduced, energy consumption is reduced;The on-demand powder air quantity of material is entered by 1 side of volute, reduces powder concentrator internal gas flow improving material Height, to reduce the internal drag of powder concentrator, while the technology arrangement height of powder concentrator equipment can also be reduced, save it is whole The construction investment of body project.
Side air inlet Verticle vortex powder concentrator of the invention can be used for cement roller press final grinding system, it can also be used to raw material The occasion of final grinding system of roll squeezer and the sorting of the materials such as various slags or steel slag and other metallurgical slag final grinding system of roll squeezer, The roll squeezer end grinding field that can be applied to metal or nonmetallic ore, can greatly improve grinding efficiency.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims (9)

1. Verticle vortex powder concentrator is entered the wind in a kind of side, it is characterised in that: including the volute for being located at top and the conical shell for being located at lower part; The volute is horizontally disposed, and the open end of the volute is air inlet;The air outlet of connection dust arrester installation is equipped on volute top; Cage rotor is equipped in volute, the air outlet is located at the top of cage rotor;
The driving device connecting with the cage rotor is equipped with above volute;The outside of the cage rotor circumferentially arranged with Wind blade;
Shelly-shaped hypocentrum is equipped in the conical shell, the hypocentrum is placed in the underface of cage rotor, the lower end of hypocentrum It is communicated with middle coarse powder discharge pipe;The end of the middle coarse powder discharge pipe extends substantially downward to the outside of the conical shell;The conical shell Lower end be communicated with coarse powder discharge pipe.
2. Verticle vortex powder concentrator is entered the wind in side as described in claim 1, it is characterised in that: set in volute bottom along air-flow trend It is equipped with the partition of setting.
3. Verticle vortex powder concentrator is entered the wind in side as described in claim 1, it is characterised in that: the spacing of the wind blade is 20 ~100mm.
4. Verticle vortex powder concentrator is entered the wind in side as described in any one of claims 1 to 3, it is characterised in that: the wind blade Angle with cage rotor radial direction is 15~75 °.
5. selecting powder method such as the described in any item side air inlet Verticle vortex powder concentrators of Claims 1-4, which is characterized in that packet Include following steps:
S1, material bring powder concentrator by air-flow from air inlet, under the action of air intake passage internal partition, air-flow and carrying material point Two parts enter in the volute along air inlet;
Part bulky grain in S2, material falls to institute in the case where gravity, vortex centrifugal power and gas carry power compound action first It states in conical shell;Another part bulky grain is stopped by wind blade, not can enter cage rotor, also falls into the vertebra shell of lower section, so Two parts bulky grain passes through coarse powder discharge pipe together and is discharged powder concentrator afterwards;
S3, small particles material follow air-flow pass through wind blade and enter cage rotor powder-separating area domain;It is high in the gas flow Speed rotation cage rotor by material fine grained and middle coarse granule separate, wherein be greater than partition size material fall into down It in centrum and slides to middle coarse powder discharge pipe, ultimately forms middle coarse powder and be discharged to outside powder concentrator;
S4, cage rotor is passed through in rotation less than the material of partition size, and after entering powder concentrator by air outlet with air-flow Continuous dust arrester installation, is finally collected as finished product.
6. as described in any one of Claims 1-4 side air inlet Verticle vortex powder concentrator application, which is characterized in that the side into Wind Verticle vortex powder concentrator is applied to cement roller press final grinding system.
7. as described in any one of Claims 1-4 side air inlet Verticle vortex powder concentrator application, which is characterized in that the side into Wind Verticle vortex powder concentrator is applied to raw material final grinding system of roll squeezer.
8. as described in any one of Claims 1-4 side air inlet Verticle vortex powder concentrator application, which is characterized in that the side into Wind Verticle vortex powder concentrator is applied to various slags or metallurgical slag final grinding system of roll squeezer.
9. as described in any one of Claims 1-4 side air inlet Verticle vortex powder concentrator application, which is characterized in that the side into Wind Verticle vortex powder concentrator is applied to the final grinding system of roll squeezer of metal or nonmetallic ore.
CN201811124099.0A 2018-09-26 2018-09-26 A kind of side air inlet Verticle vortex powder concentrator selects powder method and application Pending CN109127169A (en)

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CN201811124099.0A CN109127169A (en) 2018-09-26 2018-09-26 A kind of side air inlet Verticle vortex powder concentrator selects powder method and application

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Application Number Priority Date Filing Date Title
CN201811124099.0A CN109127169A (en) 2018-09-26 2018-09-26 A kind of side air inlet Verticle vortex powder concentrator selects powder method and application

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109622252A (en) * 2019-01-23 2019-04-16 桂林晟兴机械制造有限公司 The efficient powder selector of outer circulation flour mill
CN110538728A (en) * 2019-09-04 2019-12-06 厦门理工学院 Cyclone powder separator
CN115739628A (en) * 2022-11-17 2023-03-07 成都利君实业股份有限公司 Horizontal vortex three-separation powder separator
CN116493258A (en) * 2023-06-28 2023-07-28 绵阳九方环保节能科技有限公司 Horizontal vortex powder separator capable of preventing dust accumulation

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Publication number Priority date Publication date Assignee Title
EP0067895A1 (en) * 1981-06-19 1982-12-29 OMYA GmbH Centrifugal sifter
JPH0549077U (en) * 1991-12-09 1993-06-29 石川島播磨重工業株式会社 Three-way classifier
JP2004105805A (en) * 2002-09-13 2004-04-08 Sharp Corp Reflux type separator
CN200954502Y (en) * 2006-09-30 2007-10-03 江苏科行环境工程技术有限公司 Wind-intaking device of superfine powder sorting machine special for industrial waste dregs
CN202155313U (en) * 2011-06-23 2012-03-07 中材装备集团有限公司 Centrifugal vertical cage type dynamic powder concentrator with forced vortex
CN102485353A (en) * 2010-12-03 2012-06-06 中国石油天然气集团公司 Composite split type sand selecting method
CN206286205U (en) * 2016-12-20 2017-06-30 洛阳中联水泥有限公司 It is a kind of to improve the O Sepa powder concentrators air channel for selecting component efficiency
CN209138895U (en) * 2018-09-26 2019-07-23 天津水泥工业设计研究院有限公司 A kind of side air inlet Verticle vortex powder concentrator

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0067895A1 (en) * 1981-06-19 1982-12-29 OMYA GmbH Centrifugal sifter
JPH0549077U (en) * 1991-12-09 1993-06-29 石川島播磨重工業株式会社 Three-way classifier
JP2004105805A (en) * 2002-09-13 2004-04-08 Sharp Corp Reflux type separator
CN200954502Y (en) * 2006-09-30 2007-10-03 江苏科行环境工程技术有限公司 Wind-intaking device of superfine powder sorting machine special for industrial waste dregs
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CN202155313U (en) * 2011-06-23 2012-03-07 中材装备集团有限公司 Centrifugal vertical cage type dynamic powder concentrator with forced vortex
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CN209138895U (en) * 2018-09-26 2019-07-23 天津水泥工业设计研究院有限公司 A kind of side air inlet Verticle vortex powder concentrator

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109622252A (en) * 2019-01-23 2019-04-16 桂林晟兴机械制造有限公司 The efficient powder selector of outer circulation flour mill
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CN110538728A (en) * 2019-09-04 2019-12-06 厦门理工学院 Cyclone powder separator
CN115739628A (en) * 2022-11-17 2023-03-07 成都利君实业股份有限公司 Horizontal vortex three-separation powder separator
CN116493258A (en) * 2023-06-28 2023-07-28 绵阳九方环保节能科技有限公司 Horizontal vortex powder separator capable of preventing dust accumulation
CN116493258B (en) * 2023-06-28 2023-09-05 绵阳九方环保节能科技有限公司 Horizontal vortex powder separator capable of preventing dust accumulation

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