CN205759912U - A kind of low medicine consumption thickener with compound downflow weir - Google Patents

A kind of low medicine consumption thickener with compound downflow weir Download PDF

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Publication number
CN205759912U
CN205759912U CN201620506788.8U CN201620506788U CN205759912U CN 205759912 U CN205759912 U CN 205759912U CN 201620506788 U CN201620506788 U CN 201620506788U CN 205759912 U CN205759912 U CN 205759912U
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China
Prior art keywords
downflow weir
thickener
pipeline
compound
ore pulp
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Withdrawn - After Issue
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CN201620506788.8U
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Chinese (zh)
Inventor
周伟
朱金波
汪玲玲
闵凡飞
刘海增
刘令云
张雪菲
张世龙
胡章胜
张祥
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Anhui University of Science and Technology
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Anhui University of Science and Technology
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Priority to CN201620506788.8U priority Critical patent/CN205759912U/en
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Publication of CN205759912U publication Critical patent/CN205759912U/en
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Abstract

This utility model relates to slime water concentration clarification field, is specifically related to a kind of low medicine consumption thickener with compound downflow weir.This utility model at least includes thickener body, annular downflow weir and the compound downflow weir arranged along inner annular that downflow weir is arranged by surrounding form, compound downflow weir side arranges inflation regulation and rises floating baffle plate, for regulating overflow output, inclination settlement plate is set by the way of affixed in the bottom of compound downflow weir, does last clarification settlement treatment for the overflow water risen;Compound downflow weir can effectively reduce the movement velocity of level stream in thickener body, settle for the granule in ore pulp and advantage is provided, surrounding annular downflow weir and compound downflow weir integration of operation, have and significantly improve thickener treatment effeciency and the effect of overflow water clarity;This equipment also includes driving rabbling mechanism, utilizes the drive force rabbling mechanism of ore pulp pan feeding to rotate, it is achieved ore pulp and the uniform mixing of medicament, has energy consumption low, and maintenance capacity is low, the feature that medicine consumption is low.

Description

A kind of low medicine consumption thickener with compound downflow weir
Technical field
This utility model relates to slime water concentration clarification field, is specifically related to a kind of low medicine with compound downflow weir and consumes dense Contracting machine.
Background technology
Thickener is to utilize solid particle flocculating sedimentation in black water to complete the equipment to black water continuous concentration.It Essence is to be harrowed constituted jointly by a cell body for black water precipitation and a transport that precipitate is collected outlet.It Production process be continuous print, black water feeds from cell body upper center, the overflow water after clarification from cell body periphery flow into overflow Tank, the product (underflow) after precipitation is from the discharge gate pumped of cell body cone end central authorities.Meanwhile, at transport rake by precipitate edge During the enrichment of Chi Dixiang center, also produce squeezing action, so that sedimentary moisture is further got rid of;Concentrate Machine divides from transport characteristics, can be divided into center driving and peripheral-traction formula two kinds;Divide from construction features can be divided into the denseest Contracting machine and high-efficiency concentrator two kinds, high-efficiency concentrator is the concentrate that black water pan feeding directly feeds thickener body middle and lower part Layer, shortens the distance of coal slime settling, contributes to the sedimentation of coal slime granule, adds coal slime and enters the resistance of overflow, improves Effect of settling, therefore it is called high-efficiency concentrator, such as Eem section (EimcO-BSP) high-efficiency concentrator, domestic high-efficiency concentrator etc..Existing Thickener is had to study on actuating device and housing construction more, but less in the innovation of downflow weir design aspect, the most true It is less that guarantor's medicament and black water are sufficiently mixed turbulence level in ensureing thickener body the most again, how to ensure thickener harrow frame work Stablizing, stopping thickener harrow frame by high concentration material " pressure rake " is this area Recent study focus.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, utilizes the energy of pulp conveying to drive stirring Mechanism rotates and reaches medicament and uniformly mix with ore pulp, arranges compound downflow weir simultaneously, and upper strata clarification overflowing liquid can be by many Individual downflow weir is discharged, thus the level stream movement velocity of ore pulp in reducing thickener body, improves the sedimentation probability and relatively of coal slime Turbulence level in few thickener body;Hydraulic pressure rake lifting device and high pressure desilting pipeline are set, it is ensured that thickener harrow frame working stability, Stop " pressure rake " phenomenon.
For achieving the above object, this utility model have employed techniques below scheme:
A kind of low medicine consumption thickener with compound downflow weir, at least includes thickener body, it is characterised in that: this equipment Also include that described downflow weir includes along body surrounding layout for performing the downflow weir that clarification overflowing liquid is collected discharge Annular downflow weir and the compound downflow weir being circular layout along internal body, pass through between the annular downflow weir of surrounding and compound downflow weir Overflow collector groove connects;Described compound downflow weir arranges inflation regulation and rises floating baffle plate, compound overflow near side, thickener center The bottom on weir arranges inclination settlement plate by the way of affixed, tilts settlement plate and is supported with thickener organism sidewall by support; Described compound downflow weir at least includes that the most compound downflow weir, two roads are combined downflow weir, together inflation regulation and rise floating baffle plate and two Road inflation regulation rises floating baffle plate;This equipment also includes for performing ore pulp and the driving rabbling mechanism of medicament stirring mixture operation, This driving rabbling mechanism includes shell body, reductor, driving turbine, rotating shaft, diversion mixing impeller and bubbler.
Described driving rabbling mechanism is suspended at thickener body liquid level overcentre, drive rabbling mechanism shell body from Upper and under present the bell mouth shape structure that bore is gradually increased, bubbler is set in the bottom of shell body, the nozzle of bubbler goes out Mouth is oriented parallel to horizontal plane, presents and spreads arrangement to surrounding, arranges pressure sensor device, pressure sensing in nozzle The value that device records is shown by the pressure display instrument table on shell body top;In described shell body, coaxially arranged axis vertical turns Axle, at the hypomere axle body of rotating shaft, coaxial sleeve is provided with diversion mixing impeller, coaxial fixed drive turbine at the epimere of rotating shaft;At shell Running through at the periphery wall of body and be disposed with the main pipeline for pan feeding, the wheel blade driving turbine is pointed in the discharging direction of described main pipeline At sheet;This equipment also includes the reductor rotated for rotating shaft reduction of speed.
Being provided with Pressure gauge on the main pipeline of described pan feeding, the main pipeline bifurcated of pan feeding connects high pressure desilting pipeline and ore pulp Pipeline;On described high pressure desilting pipeline, valve is set;Described ore pulp pipeline is connected with medicament pipeline, medicament pipeline and ore pulp pipeline Junction point be positioned at the horizontal fragmentation of ore pulp pipeline, medicament pipeline inserts the horizontal fragmentation axis degree of depth of ore pulp pipeline, and medicament goes out Mouth direction is contrary with ore pulp direct of travel;On the vertical fragmentation of described ore pulp pipeline, pipe-line mixer is set, with pulp flow side To for sequentially, pipe-line mixer set-point is positioned at the rear of chemical feeding points.
This equipment also includes that hydraulic pressure rake lifting device, hydraulic pressure rake lifting device and driving motor are arranged on crane span structure, and crane span structure is with dense The revolving support on Suo Ji body center top connects;Described hydraulic pressure rake lifting device is connected with harrow frame by hydraulic connecting rod.
The beneficial effects of the utility model are:
1), this utility model on the basis of based on tradition high-efficiency concentrator, devise the compound downflow weir of uniqueness, compound Rising overflow water between the driving rabbling mechanism at downflow weir and center, discharges from compound downflow weir;Compound downflow weir also includes filling Controlled atmosphere joint rises floating baffle plate, is combined the treating capacity of downflow weir for flexible, when overflow water clarity is higher, can reduce inflation Regulation rises the air pressure in floating baffle plate, improves overflow output, when overflow water clarity is relatively low, can raise inflation regulation and rise floating gear Air pressure in plate, reduces overflow output;Compound downflow weir is set and can satisfactory clarification overflow water be discharged dense in time Contracting machine, the movement velocity of level stream in reduction thickener body, pan feeding ore pulp moves to downflow weir from pan feeding position to be needed longer Time, the granule in ore pulp has longer time settlement to enter in underflow;In the bottom of compound downflow weir in the way of affixed Arranging inclination settlement plate, tilt settlement plate and install with certain angle of inclination, the most uprightly install, desilting area increases, granule Settling height shortens, and does last clarification settlement treatment for the overflow water risen, it is ensured that overflow water clarity;Surrounding annular overflow Weir and compound downflow weir integration of operation, have raising thickener treatment effeciency and the effect of overflow water clarity.
2), drive rabbling mechanism, with unique jet drive agitator as rabbling mechanism, utilize ore pulp pan feeding main pipeline ore deposit Driving turbine rotation in the drive force rotating shaft of slurry, and then the diversion mixing wheel rotation of drive shaft and rotating shaft lower end, Ore pulp and medicament are under driving the common effect of turbine and diversion mixing impeller, and mix homogeneously, this design is by pulp conveying process In energy, be changed into the mechanical energy of medicament mix and blend, both realized dispersion and the mixing of medicament, and reduced again energy consumption, have Maintenance capacity is low, the feature that medicine consumption is low;Meanwhile, consume the unnecessary kinetic energy of ore pulp, reduce pan feeding to thickener body current stabilization flow field Impact;Additionally, rotating shaft is also connected with reductor, with guarantee drive stirring structure in the case of meeting medicament mix and blend requirement, Operate with the slow-speed of revolution, reduce the impact on thickener body current stabilization flow field.The effect of the horn mouth design of shell body is by level The ore pulp of motion, progressively guides into vertical movement, arranges bubbler, beneficially ore pulp edge when shell body is gushed out bottom shell body Peripheral direction is dispersed in thickener body, provides good environment for follow-up sedimentation clarification.It addition, thickener work Time, the concentration of the concentration nitride layer in thickener body is to be difficult to monitoring in real time, and this equipment arranges in the nozzle of bubbler Pressure sensor device, raises when concentrating nitride layer concentration, and pressure sensor device pressure raises, beneficially engineers and technicians quickly and Time understand the change of bed in thickener, and take measures.
3), pipeline, the main pipeline of pan feeding is provided with Pressure gauge, bed in thickener can be reacted to a certain extent Change, when pressure gradually rises, illustrate concentrate nitride layer concentration raise;Pressure main pipe road bifurcated connects high pressure desilting pipeline With ore pulp pipeline;The effect of high pressure desilting pipeline is, when " pressure rake " phenomenon occurs in the harrow frame of thickener, and single hydraulic pressure carries rake When operation cannot mention harrow frame, just utilizing the current that this Pipeline transport is high-lift, water under high pressure is from the injection stream of bubbler Go out, material bed above impact harrow frame, reduce material bed concentration, assist to carry completing of rake operation.Ore pulp pipeline and medicament pipe Road connects, and junction point is positioned at the horizontal fragmentation of ore pulp pipeline, and medicament pipeline inserts the horizontal fragmentation axis degree of depth of ore pulp pipeline, medicine Agent Way out is contrary with ore pulp direct of travel, beneficially medicament and the mixing of ore pulp;In order to realize the mixing of medicament further, At the rear of chemical feeding points, it is positioned in ore pulp pipeline and on vertical fragmentation, pipe-line mixer is set.
4), hydraulic pressure rake lifting device, the effect of hydraulic pressure rake lifting device is, when " pressure rake " phenomenon occurs in harrow frame, quickly to mention Harrow frame, it is to avoid harrow frame " is killed ", causes production accident, causes complete plant shutdown.
Accompanying drawing explanation
Fig. 1 is front schematic view of the present utility model;
Fig. 2 is the I part partial enlarged drawing of Fig. 1;
Fig. 3 is in Fig. 1 structure, drives rabbling mechanism lower diffuser schematic top plan view;
Fig. 4 is in Fig. 1 structure, the annular downflow weir of surrounding and internal compound downflow weir position and structural representation;
Illustrate each structure as follows with component names corresponding relation of the present utility model:
10-thickener body 11-contracting machine organism sidewall 20-downflow weir
21-annular downflow weir 22-is combined the most compound downflow weir of downflow weir 22A-
22B-bis-road is combined the downflow weir 23-inflation regulation floating baffle plate 23A-of liter inflation regulation together and rises floating baffle plate
The inflation regulation of 23B-bis-road rises floating baffle plate 24-and tilts settlement plate 25-support
30-drives rabbling mechanism 31-shell body 32-reductor 33-to drive turbine
34-rotating shaft 35-diversion mixing impeller 36-bubbler 36A-nozzle
36B-pressure sensor device 37-pressure display instrument table
40-main pipeline 40A-Pressure gauge 41-high pressure desilting pipeline
41A-valve 42-ore pulp pipeline 43-medicament pipeline 44-pipe-line mixer
50-hydraulic pressure rake lifting device 50A-drives motor 51-crane span structure
52-revolving support 53-hydraulic connecting rod 54-harrow frame
Detailed description of the invention
For ease of understanding, here in connection with Fig. 1-4, specific embodiment of the utility model is made described further below:
Particular make-up part of the present utility model, is divided into several big module, including: thickener body 10, pan feeding pipeline drive Rabbling mechanism 30, downflow weir 20 and hydraulic pressure rake lifting device 50.It is been described by the most one by one:
1, thickener body
Thickener body is the essential structure of thickener, for the volume that the flocculating sedimentation of black water is enough with clarification offer.
2, pan feeding pipeline
Ore pulp is carried by ore pulp pipeline 42, is successively provided with medicament pipeline 43 and pipeline mixes on the pipeline of pulp conveying Clutch 44;Medicament pipeline 43 inserts the horizontal fragmentation axis degree of depth of ore pulp pipeline 42, agent outlet direction and ore pulp direct of travel On the contrary, it is achieved the feeding and mix with the preliminary of ore pulp of medicament;On the vertical fragmentation of ore pulp pipeline 42, arrange pipeline subsequently mix Clutch 44, is the preliminary mixing in order to realize medicament further, why arranges pipe-line mixer on vertical fragmentation and be because This mode arranges that the fluid turbulence degree than arranging generation on horizontal fragmentation is higher, and mixed effect is more preferable.
High pressure desilting pipeline 41 is one group of emergent and spare duct, and when normally producing, the valve of this pipeline is to close, Be gradually increased when the Pressure gauge 40A on main pipeline 40 shows number, the aobvious number of pressure display instrument table 37 on shell body 31 top is gradually increased, According to scene, engineers and technicians judge that " pressure rake " phenomenon occurs in the harrow frame of thickener, and single hydraulic pressure carry rake operation without When method mentions harrow frame 54, high pressure desilting pipeline 41 starts action, utilizes the high-lift current of this Pipeline transport, and water under high pressure is from bubbler The nozzle 36A jet of 36 goes out, material bed above impact harrow frame 54, reduces material bed concentration, assists to carry completing of rake operation.
3, rabbling mechanism is driven
Ore pulp enters the center feeding mouth of thickener with preliminary scattered medicament from the main pipeline 40 of pan feeding, how to enter one The uniform mixing realizing medicament and ore pulp of step, reduction pan feeding process is on the impact of steady flow condition in thickener simultaneously, is to drive The purpose that rabbling mechanism 30 is arranged.Utilize the driving whirlpool in the drive force rotating shaft 34 of ore pulp in the main pipeline 40 of ore pulp pan feeding Wheel 33 rotates, and then the diversion mixing impeller 35 of drive shaft 34 and rotating shaft lower end rotates, and ore pulp and medicament are driving turbine 33 With being stirred together under effect of diversion mixing impeller 35, mix homogeneously, this design, by the energy during pulp conveying, is changed into The mechanical energy of medicament mix and blend, had both realized dispersion and the mixing of medicament, and had reduced again energy consumption, have maintenance capacity low, and medicine consumption is low Feature;Meanwhile, consume the unnecessary kinetic energy of ore pulp, reduce pan feeding to the impact of steady flow condition in thickener body;Additionally, turning Axle 34 is also connected with reductor 32, with guarantee drive stirring structure 30 in the case of meeting medicament mix and blend requirement, with low turn Speed operating, reduces the impact on steady flow condition.The effect of the horn mouth design of shell body 31 is by the ore pulp of horizontal movement, progressively Guide into vertical movement, bubbler 36 is set bottom shell body, be dispersed in along peripheral direction dense when beneficially ore pulp is gushed out In contracting machine body, provide good environment for follow-up sedimentation clarification.It addition, during thickener work, dense in thickener body The concentration of contracting nitride layer is to be difficult to monitoring in real time, and this equipment arranges pressure sensor device in the nozzle 36A of bubbler 36 36B, raises when concentrating nitride layer concentration, and pressure sensor device 36B pressure raises, it is simple to engineers and technicians understand the most timely The change of bed in thickener, and take measures.
4, hydraulic pressure rake lifting device
The effect of hydraulic pressure rake lifting device 50 is when " pressure rake " phenomenon occurs in harrow frame 54, quickly mentions harrow frame, it is to avoid harrow frame " killed ", cause production accident, cause complete plant shutdown;This product is provided with " pressure rake " early warning signal feedback, such as pressure sensing Device 36B and Pressure gauge 40A, prevents the generation of " pressure rake " phenomenon;After " pressure rake " phenomenon produces, hydraulic pressure rake lifting device 50 and height Pressure desilting pipeline 41 cooperating, can solve rapidly " pressure rake " phenomenon, return to normal production.
To sum up, structure of the present utility model and working mechanism take into full account the technology characteristics that slurry water flocculation settles, and concentrate Machine body flow field is stable, and coal slime flocculating sedimentation is effective, and overflow water clarity is high, and reagent consumption amount is low, and prevention solves with quick Certainly harrow frame " pressure rake " phenomenon.Whole concentration operation more saves medicament than traditional concentration and settlement equipment, has higher concentration Efficiency, works relatively reliable stable, and production cost reduces the most obvious.

Claims (4)

1. there is a low medicine consumption thickener for compound downflow weir, at least include thickener body (10), it is characterised in that: originally set The standby downflow weir (20) also included for performing to be collected clarification overflowing liquid discharge, described downflow weir (20) includes along body Annular downflow weir (21) that surrounding is arranged and the compound downflow weir (22) that is circular layout along internal body, the annular downflow weir of surrounding (21) connected by overflow collector groove (26) with between compound downflow weir (22);Described compound downflow weir (22) is near thickener center Side arranges inflation regulation and rises floating baffle plate (23), and the bottom of compound downflow weir (22) arranges inclination settlement plate by the way of affixed (24), tilt settlement plate (24) to be supported with thickener organism sidewall (11) by support (25);Described compound downflow weir (22) is extremely Include that the most compound downflow weir (22A), two roads are combined downflow weir (22B), together inflation regulation and rise floating baffle plate (23A) He Erdao less Inflation regulation rises floating baffle plate (23B);This equipment also includes for performing ore pulp and the driving blender of medicament stirring mixture operation Structure (30), this driving rabbling mechanism (30) includes shell body (31), reductor (32), drives turbine (33), rotating shaft (34), water conservancy diversion Agitator arm (35) and bubbler (36).
A kind of low medicine consumption thickener with compound downflow weir the most according to claim 1, it is characterised in that: described driving Rabbling mechanism (30) is suspended at thickener body (10) liquid level overcentre, drive rabbling mechanism (30) shell body (31) from Upper and under present the bell mouth shape structure that bore is gradually increased, bubbler (36) is set in the bottom of shell body (31), bubbler (36) nozzle (36A) Way out is parallel to horizontal plane, presents and spreads arrangement to surrounding, arranges in nozzle (36A) Pressure sensor device (36B), the value that pressure sensor device (36B) records is by the pressure display instrument table on shell body (31) top (37) display;In described shell body (31), the rotating shaft (34) of coaxially arranged axis vertical, coaxial at the hypomere axle body of rotating shaft (34) It is arranged with diversion mixing impeller (35), coaxial fixed drive turbine (33) at the epimere of rotating shaft (34);Outside shell body (31) Running through the main pipeline (40) being disposed with for pan feeding at perisporium, the discharging direction of described main pipeline (40) is pointed to and is driven turbine (33) Impeller blade at;This equipment also includes the reductor (32) rotated for rotating shaft (34) reduction of speed.
A kind of low medicine consumption thickener with compound downflow weir the most according to claim 2, it is characterised in that: described pan feeding Main pipeline (40) on be provided with Pressure gauge (40A), main pipeline (40) bifurcated of pan feeding connects high pressure desilting pipeline (41) and ore deposit Slurry pipeline (42);On described high pressure desilting pipeline (41), valve (41A) is set;Described ore pulp pipeline (42) and medicament pipeline (43) Connecting, the junction point of medicament pipeline (43) and ore pulp pipeline (42) is positioned at the horizontal fragmentation of ore pulp pipeline (42), medicament pipeline (43) inserting the horizontal fragmentation axis degree of depth of ore pulp pipeline (42), agent outlet direction is contrary with ore pulp direct of travel;Described ore deposit On the vertical fragmentation of slurry pipeline (42), pipe-line mixer (44) is set, with pulp flow direction for order, pipe-line mixer (44) Set-point is positioned at the rear of chemical feeding points.
A kind of low medicine consumption thickener with compound downflow weir the most according to claim 1 and 2, it is characterised in that: originally set For also including hydraulic pressure rake lifting device (50), hydraulic pressure rake lifting device (50) and driving motor (50A) are arranged on crane span structure (51), crane span structure (51) it is connected with the revolving support (52) of thickener body (10) central upper;Described hydraulic pressure rake lifting device (50) is by hydraulic pressure even Bar (53) is connected with harrow frame (54).
CN201620506788.8U 2016-05-23 2016-05-23 A kind of low medicine consumption thickener with compound downflow weir Withdrawn - After Issue CN205759912U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620506788.8U CN205759912U (en) 2016-05-23 2016-05-23 A kind of low medicine consumption thickener with compound downflow weir

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620506788.8U CN205759912U (en) 2016-05-23 2016-05-23 A kind of low medicine consumption thickener with compound downflow weir

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Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105797443A (en) * 2016-05-23 2016-07-27 安徽理工大学 Concentrator with low chemical consumption and composite overflow weirs

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105797443A (en) * 2016-05-23 2016-07-27 安徽理工大学 Concentrator with low chemical consumption and composite overflow weirs
CN105797443B (en) * 2016-05-23 2017-12-12 安徽理工大学 A kind of low medicine consumption thickener with compound downflow weir

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GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20161207

Effective date of abandoning: 20171212

AV01 Patent right actively abandoned