CN105056870A - Combination exhausting system adopting reaction of manganese ore powder and sulfuric acid - Google Patents

Combination exhausting system adopting reaction of manganese ore powder and sulfuric acid Download PDF

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Publication number
CN105056870A
CN105056870A CN201510496139.4A CN201510496139A CN105056870A CN 105056870 A CN105056870 A CN 105056870A CN 201510496139 A CN201510496139 A CN 201510496139A CN 105056870 A CN105056870 A CN 105056870A
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China
Prior art keywords
impeller
chemical combination
air
sulfuric acid
draft fan
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CN201510496139.4A
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CN105056870B (en
Inventor
银永忠
姚茂君
李志平
张旭
杨正华
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Datong Jinsheng Haoda Carbon Industry Co ltd
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Jishou University
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency

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Abstract

The invention discloses a combination exhausting system adopting a reaction of manganese ore powder and sulfuric acid. The combination exhausting system is characterized in that stirring systems are arranged in combination barrels which are connected with an induced draft fan through exhausting pipes, the induced draft fan is tangentially connected with a cyclone tower for exhausting, and throttles are arranged in the exhausting pipes; multiple groups of cyclones comprising large cyclone plates, small cyclone plates and cone hopper plates are vertically arranged in the cyclone tower; an impeller of the induced draft fan has hollow wedge-shaped blades; the shape contour of the induced draft fan is involute. By the aid of the induced draft fan and the cyclones, carbon dioxide gas produced by the reaction of the manganese ore powder and sulfuric acid is exhausted in real time, reaction proceeding is facilitated, carried ore powder is recovered effectively through gas cyclone, and energy conservation and emission reduction are realized; with adoption of the blades adopting the hollow wedge-shaped structure, dust on the impeller of the induced draft fan is cleaned in real time, the impeller strength of the induced draft fan is improved, the stability is enhanced, safety accidents caused by dust accumulation are eradicated effectively, and the combination exhausting system has broad application prospects.

Description

The chemical combination extract system of manganese mineral powder and sulfuric acid reaction
Technical field
The present invention relates to a kind of chemical combination extract system, the concrete blower fan that guides can not the manganese mineral powder of laying dust and the chemical combination extract system of sulfuric acid reaction.
Background technology
The manganese mineral powder of certain order number and sulfuric acid are carried out combination reaction, it is the necessary processing step of electrolytic manganese industry, key reaction is wherein exactly that sulfuric acid and manganese carbonate react and generate manganese sulfate and a large amount of gaseous carbon dioxide, because the amount producing carbon dioxide is more, in order to promote that reaction is carried out to positive direction, usually needing to design powerful exhausting system and discharging to realize carbon dioxide.Because exhausting system requires that rate of air sucked in required is large especially, thus normal containing a large amount of breeze dust in pumping airflow, so also need to reclaim breeze except bleeding, avoid wastes and pollution environment.
Air-introduced machine is the key equipment of chemical combination extract system; be generally centrifugal blower; air-introduced machine continuous, stable, reliably working is very crucial to chemical combination extract system; the occasion used due to chemical combination extract system inevitably contains breeze dust; during air-introduced machine work; air-flow by during the draught fan impeller of High Rotation Speed due to centrifugation, mineral powder granular can depart from air-flow phase and deposit and be attached on draught fan impeller.
Because draught fan impeller rotating speed is general all higher, as long as there is micro-breeze dust to exist in air-flow, all more dust can be accumulated after working long hours, thus change the balance of draught fan impeller rotation, if draught fan impeller does not have self purification not clear up in time to dust yet, will cumulative and progressively change draught fan impeller Static and dynamic balance, thus produce vibration.Have the dust that part hardens to be come off by vibration once run into, will balance away from the dynamic rotary of air-introduced machine immediately, then produce judder, this may cause serious personnel and device security accident.
Therefore, if can a kind of centrifugal type draught fan impeller be designed, Automatic clearance can be carried out and just do not worry causing dust to accumulate, for keeping the reliable and stable work of air-introduced machine and stopping the meaning that security incident all has particular importance.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art exactly, provides a kind of simple and practical, can dust and realize the chemical combination extract system of manganese mineral powder that breeze reclaims and sulfuric acid reaction on Automatic clearance draught fan impeller.
For overcoming the deficiencies in the prior art, the present invention takes following technical scheme:
A chemical combination extract system for manganese mineral powder and sulfuric acid reaction, comprises chemical combination bucket and air-introduced machine, it is characterized in that; Be provided with stirring system in chemical combination bucket, chemical combination bucket connects air-introduced machine through exhaust tube, and air-introduced machine is emptying after tangentially connecting eddy flow tower, is provided with air door in exhaust tube; Described air-introduced machine comprises draught fan impeller and casing, and draught fan impeller comprises impeller backboard, impeller panel and blade, and blade arrangement becomes impeller Axial and radial, centrosymmetric hollow wedge; Hollow wedge blade connects impeller panel and is welded to form impeller bodies with impeller backboard; Impeller panel is provided with air inlet, impeller backboard by the fixing also connection shaft seat of rivet, and axle bed is connected by axis hole and fan shaft; Casing is provided with air inlet and air outlet, cabinet form outline line is involute, the round heart of involute and blower fan axis coinciding, involute is from inside shell air outlet, line radius strengthens gradually with involute circle, terminate outside shell air outlet, shell air outlet width equals involute circumference; Shell air inlet is provided with cover plate, cover plate also has air inlet be convenient to connecting pipe, and axle center and impeller axis coinciding.
Described eddy flow tower is hollow cylindrical structure, is arranged vertically the many groups of cyclones be made up of maelstrom plate, little spiral board and cone strickle in cylinder; Little spiral board is inserted in cone strickle, and cone strickle is fixed on eddy flow tower barrel, and cone strickle is provided with drain gully; Maelstrom plate is fixed on eddy flow tower barrel, and there is cone bucket drain gully position, intermediate portion.
Described eddy flow top of tower connects exhaust chimney, and bottom is provided with end liquid pipe and connects sedimentation basin.
Described chemical combination bucket has multiple, and the exhaust tube of each chemical combination bucket connects air-introduced machine through the house steward that bleeds.
Described casing is fixed on support.Casing plays sealing process, air inlet air inlet obtains kinetic energy by vane rotary, and carries out power conversion in casing, and a part of kinetic energy is converted to the static energy of gas, make output gas flow have speed dynamic head like this and also have hydrostatic head, both sums are exactly blower press.
Shell air inlet can connect airduct according to need, air inlet cover plate is detachable, be bolted to connection casing, the scroll casing shape of casing is gradually opened profile and is met the needs that Fan casing is airtight, conveying gas realizes energy efficient conversion simultaneously, makes output gas flow can reach required flow and total head.
Described shell air inlet cover plate is bolted to connection casing, and can dismantle.
During equipment work, the carbon dioxide that combination reaction generates by air-introduced machine and a small amount of breeze that gas carries and steam tangentially import eddy flow tower, by upwards passing through little spiral board again after maelstrom plate, because large and small spiral board air guide cross section difference is larger, rotary pneumatic fails to be convened for lack of a quorum and produces from bottom to top curved air flow path, such structure can reduce gas-flow resistance greatly, promotes gas rotating simultaneously.
Air-flow is by also having the dynamic change of cyclone radius during many group cyclones, advantageous particularly like this steam drop and mineral powder granular rotate and depart from gas phase, barrel is pasted dirty concentrated after being caught by barrel, little spiral board cone bucket has drain gully around, there is cone bucket drain gully maelstrom plate middle part, water mixes with breeze and flows at the bottom of tower, imports sedimentation basin by end liquid pipe, completes breeze precipitation and reclaims.Can circulate to liquid phase water and stamp tower top spray, also can add medicament circulation at sedimentation basin and stamp tower top, pernicious gas in spray-absorption process tail gas, finally discharge from tower top exhaust chimney.
When draught fan impeller of the present invention uses, because blade design becomes hollow wedge, and sharf radial center is symmetrical, thus during High Rotation Speed, blade surface has centrifugal self purification under centrifugal action, make dust be subject to centrifugal action and cannot adhere to, dynamic, the static balancing of impeller would not be affected like this, more can not accumulate dust; The technical scheme of this blade construction, the wide impeller air-introduced machine being particularly suitable for delivery air amount large adopts.
Compared with prior art, beneficial effect of the present invention is also:
By air-introduced machine and cyclone, achieve the real-time discharge that manganese mineral powder and sulfuric acid reaction produce carbon dioxide, be conducive to the carrying out reacted, and effectively reclaimed the breeze carried by gas cyclone, realize energy-saving and emission-reduction.
Blade design becomes hollow wedge, and sharf radial center is symmetrical, and the blower fan backboard making it connect and the anti-relative torsion of panel, to extrude rigidity extremely strong, can stop to use the fan blade caused to connect the fracture of backboard root for a long time.
Blade design becomes hollow wedge, and sharf radial center is symmetrical, even also can obtain higher intensity with thinner board making draught fan impeller, ensures to stablize, reliably use, can save material, be convenient to make, be also conducive to light and handyization of equipment.
Vanes on Induced Draft Fan ingehious design is become hollow wedge by the present invention, and the shape of sharf radial center symmetry, achieve the real-time cleaning of dust on blade, extend the security incident also effectively stopping dust accumulation initiation service life of equipment, have a extensive future.
Accompanying drawing explanation
Fig. 1 is planar structure schematic diagram of the present invention
Fig. 2 is the planar structure schematic diagram of draught fan impeller.
Fig. 3 is the cross-sectional view of draught fan impeller.
Fig. 4 is the planar structure schematic diagram of air-introduced machine.
Fig. 5 is the three-dimensional structure schematic diagram of eddy flow tower.
Fig. 6 is the structure for amplifying schematic diagram of spiral board end.
In figure, each label represents:
A, air-introduced machine; 1, chemical combination bucket; 2, stirring system; 3, air door; 4, exhaust tube; 5, bleed house steward; 6, tangential inlet; 7, eddy flow tower; 8, end liquid pipe; 9, sedimentation basin; 10, air flow path; 11, maelstrom plate; 12, little spiral board; 13, exhaust chimney; 14, strickle is bored; 15, drain gully; 31, Wedge blade; 32, impeller cylindrical; 33, impeller air inlet; 34, axle bed; 35, rivet; 36, axis hole; 37, impeller backboard; 38, impeller panel; 41, impeller; 42, shell air inlet; 43, involute circle; 44, support; 45, casing; 46, shell air inlet cover plate; 47, shell air outlet; B, shell air outlet width.
Detailed description of the invention
Now by reference to the accompanying drawings, the present invention is illustrated further.
As shown in Figure 1, Figure 2, the chemical combination extract system of manganese mineral powder shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6 and sulfuric acid reaction, comprise chemical combination bucket 1 and air-introduced machine A, stirring system 2 is provided with in chemical combination bucket 1, chemical combination bucket 1 connects air-introduced machine A through exhaust tube 4, air-introduced machine A is emptying after tangentially connecting eddy flow tower 7, is provided with air door 3 in exhaust tube 4; Described air-introduced machine comprises draught fan impeller 41 and casing 45, and draught fan impeller 41 comprises impeller backboard 37, impeller panel 38 and blade 31, and blade 31 is arranged to impeller Axial and radial, centrosymmetric hollow wedge, and impeller backboard 37 is dish; Hollow wedge blade 31 connects impeller panel 38 and is welded to form impeller bodies with impeller backboard 37; Impeller panel 38 is provided with air inlet 33, impeller backboard 37 by the fixing also connection shaft seat 34 of rivet 35, and axle bed 34 is connected by axis hole 36 and fan shaft; Casing 45 is provided with air inlet 42 and air outlet 47, cabinet form outline line is involute, the round heart of involute and blower fan axis coinciding, involute is from inside shell air outlet 47, line radius strengthens gradually with involute circle, terminate outside shell air outlet 47, shell air outlet width B equals involute circle 43 girths; Shell air inlet 42 is provided with cover plate 46, cover plate also has air inlet be convenient to connecting pipe, and axle center and impeller axis coinciding.
Described eddy flow tower 7 is hollow cylindrical structure, is arranged vertically the many groups of cyclones be made up of maelstrom plate 11, little spiral board 12 and cone strickle 14 in cylinder; Little spiral board 12 is inserted in cone strickle 14, and cone strickle 14 is fixed on eddy flow tower 7 barrel, and cone strickle 14 is provided with drain gully 15; Maelstrom plate 11 is fixed on eddy flow tower 7 barrel, and there is cone bucket drain gully position, intermediate portion.
Described eddy flow tower 7 top connects exhaust chimney 13, and bottom is provided with end liquid pipe 8 and connects sedimentation basin 9.
Described chemical combination bucket 1 has multiple, and the exhaust tube 4 of each chemical combination bucket 1 connects air-introduced machine A through the house steward 5 that bleeds.
Described casing 45 is fixed on support 44.Casing 45 plays sealing process, air inlet 42 air inlet is rotated by impeller 41 and obtains kinetic energy, and carries out power conversion in casing 45, and a part of kinetic energy is converted to the static energy of gas, make output gas flow have speed dynamic head like this and also have hydrostatic head, both sums are exactly blower press.
Shell air inlet 42 can connect airduct according to need, air inlet cover plate 46 is detachable, be bolted to connection casing 45, the scroll casing shape of casing 45 is gradually opened profile and is met the needs that Fan casing is airtight, conveying gas realizes energy efficient conversion simultaneously, makes output gas flow can reach required flow and total head.
Described shell air inlet cover plate 46 is bolted to connection casing 15, and can dismantle.
During equipment work, the carbon dioxide that combination reaction generates by air-introduced machine A and a small amount of breeze that gas carries and steam tangentially import eddy flow tower 7, by upwards passing through little spiral board 12 again after maelstrom plate 11, because large and small spiral board air guide cross section difference is larger, rotary pneumatic fails to be convened for lack of a quorum and produces from bottom to top curved air flow path 10, such structure can reduce gas-flow resistance greatly, promotes gas rotating simultaneously.
Air-flow is by also having the dynamic change of cyclone radius during many group cyclones 7, advantageous particularly like this steam drop and mineral powder granular rotate and depart from gas phase, barrel is pasted dirty concentrated after being caught by barrel, drain gully is had around little spiral board cone bucket 14, there is cone bucket drain gully maelstrom plate 11 middle part, water mixes with breeze and flows at the bottom of tower, imports sedimentation basin 9 by end liquid pipe 8, completes breeze precipitation and reclaims.Can circulate to liquid phase water and stamp tower top spray, also can add medicament circulation at sedimentation basin 9 and stamp tower top, pernicious gas in spray-absorption process tail gas, finally discharges from tower top exhaust chimney 13.
When draught fan impeller of the present invention uses, because blade design becomes hollow wedge, and sharf radial center is symmetrical, thus during High Rotation Speed, blade surface has centrifugal self purification under centrifugal action, make dust be subject to centrifugal action and cannot adhere to, dynamic, the static balancing of impeller would not be affected like this, more can not accumulate dust; The technical scheme of this blade construction, the wide impeller air-introduced machine being particularly suitable for delivery air amount large adopts.
Above-mentioned just preferred embodiment of the present invention, not does any pro forma restriction to the present invention.Any those of ordinary skill in the art, when not departing from technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solution of the present invention, or being revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solution of the present invention protection.

Claims (6)

1. a chemical combination extract system for manganese mineral powder and sulfuric acid reaction, comprises chemical combination bucket and air-introduced machine, it is characterized in that; Be provided with stirring system in chemical combination bucket, chemical combination bucket connects air-introduced machine through exhaust tube, and air-introduced machine is emptying after tangentially connecting eddy flow tower, is provided with air door in exhaust tube; Described air-introduced machine comprises draught fan impeller and casing, and draught fan impeller comprises impeller backboard, impeller panel and blade, and blade arrangement becomes impeller Axial and radial, centrosymmetric hollow wedge; Hollow wedge blade connects impeller panel and is welded to form impeller bodies with impeller backboard; Impeller panel is provided with air inlet, impeller backboard by the fixing also connection shaft seat of rivet, and axle bed is connected by axis hole and fan shaft; Casing is provided with air inlet and air outlet, cabinet form outline line is involute, the round heart of involute and blower fan axis coinciding, involute is from inside shell air outlet, line radius strengthens gradually with involute circle, terminate outside shell air outlet, shell air outlet width equals involute circumference; Shell air inlet is provided with cover plate, cover plate also has air inlet be convenient to connecting pipe, and axle center and impeller axis coinciding.
2. the chemical combination extract system of manganese mineral powder and sulfuric acid reaction according to claim 1, is characterized in that: described eddy flow tower is hollow cylindrical structure, is arranged vertically the many groups of cyclones be made up of maelstrom plate, little spiral board and cone strickle in cylinder; Little spiral board is inserted in cone strickle, and cone strickle is fixed on eddy flow tower barrel, and cone strickle is provided with drain gully; Maelstrom plate is fixed on eddy flow tower barrel, and there is cone bucket drain gully position, intermediate portion.
3. the chemical combination extract system of manganese mineral powder and sulfuric acid reaction according to claim 1 or 2, is characterized in that: described eddy flow top of tower connects exhaust chimney, and bottom is provided with end liquid pipe and connects sedimentation basin.
4. the chemical combination extract system of manganese mineral powder and sulfuric acid reaction according to claim 1 or 2, it is characterized in that: described chemical combination bucket has multiple, the exhaust tube of each chemical combination bucket connects air-introduced machine through the house steward that bleeds.
5. the chemical combination extract system of manganese mineral powder and sulfuric acid reaction according to claim 1 or 2, is characterized in that: described casing is fixed on support.
6. the chemical combination extract system of manganese mineral powder and sulfuric acid reaction according to claim 1 or 2, is characterized in that: described shell air inlet cover plate is bolted to connection casing, and can dismantle.
CN201510496139.4A 2015-08-14 2015-08-14 The chemical combination extract system of manganese mineral powder and sulfuric acid reaction Active CN105056870B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105673534A (en) * 2016-03-05 2016-06-15 吉首大学 Compounding, dedusting and pumping system for manganese mineral powder and sulfuric acid reaction
CN105688754A (en) * 2016-03-05 2016-06-22 吉首大学 Chemical combination gas pumping system for manganese mineral powder and sulfuric acid reaction

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2444140Y (en) * 2000-11-10 2001-08-22 北京恩菲科技产业集团 Wet three efficient duster
CN2829893Y (en) * 2005-11-15 2006-10-25 中南大学 Demister
US20070122271A1 (en) * 2005-11-30 2007-05-31 Sanyo Denki Co., Ltd. Axial-flow fan
CN101532507A (en) * 2008-03-12 2009-09-16 阿特·阿内玛 Adjustable compressor bleed system and method
CN201351620Y (en) * 2008-12-29 2009-11-25 沈阳鼓风机集团有限公司 Air entrapping structure and air extracting structure in compressor
CN103953559A (en) * 2014-04-03 2014-07-30 开县人人有余科技有限公司 Air pumping system comprising energy recovery fan

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2444140Y (en) * 2000-11-10 2001-08-22 北京恩菲科技产业集团 Wet three efficient duster
CN2829893Y (en) * 2005-11-15 2006-10-25 中南大学 Demister
US20070122271A1 (en) * 2005-11-30 2007-05-31 Sanyo Denki Co., Ltd. Axial-flow fan
CN101532507A (en) * 2008-03-12 2009-09-16 阿特·阿内玛 Adjustable compressor bleed system and method
CN201351620Y (en) * 2008-12-29 2009-11-25 沈阳鼓风机集团有限公司 Air entrapping structure and air extracting structure in compressor
CN103953559A (en) * 2014-04-03 2014-07-30 开县人人有余科技有限公司 Air pumping system comprising energy recovery fan

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105673534A (en) * 2016-03-05 2016-06-15 吉首大学 Compounding, dedusting and pumping system for manganese mineral powder and sulfuric acid reaction
CN105688754A (en) * 2016-03-05 2016-06-22 吉首大学 Chemical combination gas pumping system for manganese mineral powder and sulfuric acid reaction
CN105688754B (en) * 2016-03-05 2018-12-21 吉首大学 The chemical combination extract system of manganese mineral powder and sulfuric acid reaction

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Inventor after: Li Yingju

Inventor after: Li Yuxia

Inventor after: Song Jianjun

Inventor after: Loyalty Hall

Inventor before: Yin Yongzhong

Inventor before: Yao Maojun

Inventor before: Li Zhiping

Inventor before: Zhang Xu

Inventor before: Yang Zhenghua

TA01 Transfer of patent application right
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Effective date of registration: 20171023

Address after: 037000 in Shanxi Province, the southern suburbs of Datong District Xi Han Ling Xiang Cun Nan Bei Cun

Applicant after: Datong Jinsheng Haoda Carbon Industry Co.,Ltd.

Address before: 416000 Hunan, Xiangxi Tujia and Miao Autonomous Prefecture, Jishou City People's road, No. 120

Applicant before: Jishou University

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Denomination of invention: Combined gas extraction system for the reaction of manganese ore powder with sulfuric acid

Effective date of registration: 20220628

Granted publication date: 20171121

Pledgee: China CITIC Bank Co.,Ltd. Datong Branch

Pledgor: Datong Jinsheng Haoda Carbon Industry Co.,Ltd.

Registration number: Y2022140000029