CN112224887A - Special quantitative feeding machine for magnetic separation - Google Patents
Special quantitative feeding machine for magnetic separation Download PDFInfo
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- CN112224887A CN112224887A CN202010696084.2A CN202010696084A CN112224887A CN 112224887 A CN112224887 A CN 112224887A CN 202010696084 A CN202010696084 A CN 202010696084A CN 112224887 A CN112224887 A CN 112224887A
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- feeding
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- magnetic separation
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- 238000007885 magnetic separation Methods 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 50
- 239000006148 magnetic separator Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 7
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 229910000617 Mangalloy Inorganic materials 0.000 claims 1
- 230000003116 impacting effect Effects 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 18
- 238000007789 sealing Methods 0.000 abstract description 11
- 239000000428 dust Substances 0.000 abstract description 9
- 229910052742 iron Inorganic materials 0.000 abstract description 9
- 238000011010 flushing procedure Methods 0.000 abstract description 3
- 239000000843 powder Substances 0.000 description 12
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/40—Feeding or discharging devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
- B65G69/181—Preventing escape of dust by means of sealed systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The special quantitative feeding machine for magnetic separation is applied to the magnetic separation process of iron ore dressing, and solves the problems of unstable and uneven feeding, material flushing, insufficient feeding and dust raising existing in the feeding process of the magnetic separator. The feeding machine is a sealing structure and solves the problem of dust. The shaft core part of the feeding unit is divided into a plurality of hoppers by the blades and the disc, materials are fed to the material guide elbow and the chute of the distributing unit according to a certain amount along with the rotation of the shaft core, and the materials are divided and shaped by the distributing unit, so that the material layer is uniform, and the material flow is stable.
Description
Technical Field
The automatic feeding device is mainly applied to the dry separation process of fine powder materials in iron ore dressing, and realizes environmental protection, automatic weighing, quantitative feeding and batching. The method is widely applied to various related industries such as building materials, chemical industry, metallurgy, coal, mines and the like.
Background
At present, a feeding part of the magnetic separator is a belt conveying type constant feeder, a gate valve is opened, the constant feeder is started according to design capacity, and the constant feeder feeds the magnetic separator according to a certain amount. The adoption of the feeding mode has the following problems: iron ore powder is conveyed by a constant feeder, so that dust is raised and the environment is polluted; the materials are powder materials, the flowability is very good, the materials are flushed as water frequently, the constant feeder is submerged when the materials are serious, and the magnetic separator cannot work normally; the feeding amount is basically within the range of 200-600 tons, the running speed of the quantitative feeder is very high, the belt and the carrier roller of the quantitative feeder are also very quickly abraded, one batch of materials needs to be replaced every month, the loss is large, the cost is increased, due to the problems, each device needs to be attended by at least two workers in real time, and the maintenance cost of the device is high. Therefore, in order to solve the problems, the company invents a quantitative feeder special for magnetic separation and solves the problems.
Disclosure of Invention
The quantitative feeding machine special for magnetic separation is applied to continuous quantitative feeding and uniform distribution of a magnetic separator, and solves the problems of unstable and uneven feeding, material flushing, insufficient feeding, large dust raising and maintenance workload and the like of the magnetic separator in the feeding link. In the feeding process, the material flow is stable and uniform, no dust is raised, the utilization rate of the magnetic separator is greatly improved, energy conservation and consumption reduction are really realized, and more benefits are created for enterprises.
The quantitative feeder special for magnetic separation is specially made equipment for solving the problems of continuous feeding, quantitative feeding and uniform distribution of a magnetic separator, and has advanced principle and uniform and reliable feeding.
System structure and working principle
The quantitative feeder special for magnetic separation consists of a feeding unit, a distributing unit, a metering unit and a control unit. The flow of the feeding machine is set according to the capacity of the magnetic separator, the motor speed reducer is started, iron ore powder passes through the feeding unit, the distributing unit is uniformly and stably supplied to the magnetic separator, the control unit receives an instantaneous weight signal of the metering unit, and the system can adjust the rotating speed of the motor speed reducer through the frequency converter through calculation to reach the preset feeding amount. Realizing automatic continuous conveying and uniform and stable quantitative feeding of the iron ore powder.
Each link of the system is specially designed aiming at the scattered state, large dust, good fluidity and difficult control of the iron ore powder materials, and the phenomena of material flushing, dust raising, material leakage, unstable feeding and the like of the iron ore powder materials in the feeding process can be well solved.
Principle of feeding unit
The feeding unit consists of a motor reducer, a shaft core orthographic view figure 3 and a lateral view figure 4, a sealed long pipe orthographic view figure 5 and a lateral view figure 6, a feeding and discharging port and an access hole.
The feeding unit is driven by a motor reducer, and the motor reducer is a hollow shaft provided with a spiral bevel gear reducer and is directly connected with the shaft core shaft in an inserting manner. The shaft core is composed of a shaft, a sealing guard plate, a plurality of groups of longitudinal disks, a welding plate, a blade pressing plate and a plurality of groups of transverse partition blades. The shaft is made of a hollow thick-wall seamless steel pipe and two shaft heads, and the shaft heads are respectively inserted into two ends of the seamless steel pipe and welded. The sealing guard plate is made of a thick circular ring iron plate, and the outer edge of the sealing guard plate is provided with a sealing strip groove which is sleeved on the shaft head. The number of discs is determined by the length of the shaft, which is divided equally longitudinally by the discs. The welding plate is used for welding and fixing the disc and the shaft. The blade pressing plate is used for protecting the divided blades, the size of the blade pressing plate is determined according to the size of the blade, and the blade pressing plate is connected with the welding plate through bolts. The blades are made of stainless steel plates with certain thickness and are arranged between the pressure plate and the welding plate, the length of each blade is determined according to the distance between the two disks, the width of each blade is determined according to the distance from the outer wall of the shaft to the inner wall of the circular tube, and the distance between the outer edge of each blade and the inner wall of the circular tube can be adjusted within the range of 5-15 mm. The sealing circular tube is a seamless steel tube and a casting part, the diameter of the sealing circular tube is determined according to the material flow, and two ends of the sealing circular tube are connected with a shaft through bearings. The pipe is run from top to bottom to open business turn over material mouth, and side design access hole, business turn over material mouth size is confirmed according to magnet separator pan feeding mouth size, and the access hole size is according to overhauing convenient the confirming.
The feeding unit is used for uniformly taking out the powder materials from the storage bin through the shaft core and continuously and uniformly supplying the materials to the next-stage distributing unit, and the distributing unit stably and uniformly conveys the materials to the magnetic separator.
The feeder has three functional areas:
a material receiving area, a material locking area and a pressure releasing area.
The feeder is characterized in that:
(1) the receiving caliber is large, and the phenomenon of material blocking can not occur.
(2) The shaft core is designed by a plurality of groups of separation structures, and the material flow direction is regular. The non-rigid sealing can not generate powder material punching and material breaking.
(3) Powder materials smoothly enter the feeding system by bin pressure, and continuous and quantitative feeding is realized by adjusting the rotating speed of the motor speed reducer.
(4) The size of the round pipe is different according to the feeding capacity.
(5) The whole system is a sealing structure, and the problem of dust emission is well solved.
(6) Structural design is reasonable, and the maintenance volume is few, has practiced thrift a large amount of manpowers, material resources and financial resources.
Structural characteristics of cloth unit
The material distribution unit consists of a material guide elbow forward direction drawing 7, a chute forward direction drawing 9, a chute forward direction drawing 10, a sealing case forward direction drawing 11, a lateral direction drawing 12 and an access hole. The material guide elbow is made of wear-resistant manganese plates, and the wear-resistant manganese plates can be replaced periodically according to the wear condition. The upper part of the material guide elbow is connected with a flange at the discharge port of the feeding unit, the lower part of the material guide elbow is connected with a flange at the inlet of the metering unit, and the height of the material guide elbow can be manufactured according to the field condition. The chute is made into a canal-type arc shape by a wear-resistant manganese plate and is fixed on the same shaft by bolts, the number of the chutes is determined according to the size of a feeding port of the magnetic separator, and the chutes can be periodically replaced according to the wear condition. The shaft and the case are flexibly connected and sealed through a rubber diaphragm, and are connected through two groups of cross spring pieces. The case is composed of a sealed case body, a weighing frame, a feeding port flange and a discharging port flange. The flange of the feeding port is connected with the lower end of the material guide elbow, and the discharging port is connected with the feeding port of the magnetic separator. The chassis is provided with an access hole, so that the guide groove can be conveniently replaced.
Metering principle of metering unit
The metering unit comprises a material guide elbow, a chute, a weighing frame and a weighing sensor. The metering unit is connected with the case through two groups of cross spring pieces, and the materials pass through the material guide elbow and the chute to generate an acting force on the chute. The acting force forms a moment by taking the central lines of the two groups of cross reeds as axes. The distance between the stress point of the weighing sensor and the central line of the cross reed is a force arm. The torque is divided by the force arm, namely the acting force of the material on the weighing sensor. The force arm between the center of the cross reed and the weight hanging frame is a fixed value, so that the weight of the calibration weight is obtained by dividing the moment by the force arm.
Control unit
The control instrument adopts a customized instrument VL632-CN of our company, and has a man-machine conversation function with multiple languages; can communicate with the upper computer; having a printer interface. The functions of setting a keyboard, setting an upper computer, starting and stopping the external device, alarming faults, protecting data from power failure and the like can be realized. The instrument software has complete functions: the automatic peeling machine has the advantages of automatic peeling, automatic calibration, self-detection system and strong anti-interference capability.
Inputting a signal:
(1) external start-stop (required to be passive).
(2) The failure is cancelled (passive is required).
(3) The flow rate is given (4-20 mA).
Outputting a signal:
(1) no failure (ready, passive).
(2) Flow > Pmax (passive).
(3) Flow < Pmin. (passive).
(4) The deviation is too large (passive).
(5) Drive on/off state (passive).
(6) Cumulative number pulse output (+ 24V, pulse width adjustable 0-1000 ms) or passive contact output.
(7) Instantaneous flow (0/4-20 mA).
Output contact capacity: 230VAC, resistive load 8A, inductive load 1A.
The size of the electric control cabinet is as follows:
(1) 600X600X1800mm (wide X deep X high).
(2) 800X600X2000mm (wide X deep X high).
The control system combines modern measurement control technology and microprocessing technology, and comprises a control host, an interface module, a signal processing unit, a speed measuring and regulating unit and the like, which are integrated in a control cabinet. The quantitative feeding machine special for magnetic separation has two control modes:
(1) the centralized control mode comprises the following steps: and the computer is used for carrying out remote control.
(2) Machine side control mode: the device can be started, stopped and adjusted beside the iron ore powder feeding system.
Applications of
The system has the advantages of uniform feeding, high control precision and the like, and the whole system is designed in a full-sealed manner and has no dust. Has wide application prospect in the field of powder material feeding.
Quantitative feeding machine series special for magnetic separation
Model TKGL15 capability 200-
Model TKGL18 capability 200- & gt 1000T
The main supply range is as follows:
quantitative feeding machine scale body special for magnetic separation
Instrument and fully sealed electric control cabinet
Hermetically sealed field control box
Calibration weight.
Detailed Description
According to the technical scheme, the quantitative feeding machine special for magnetic separation in the embodiment of the invention controls the feeding amount through the motor speed reducer of the feeding unit, and materials are shaped and metered by the distributing unit and uniformly fed to the magnetic separator. The control system automatically tracks the feeding amount according to the set value, optimizes the process, changes the feeding process of the magnetic separator, and really realizes environmental protection, energy conservation and consumption reduction.
Drawings
FIG. 1 is a front view of a quantitative feeder special for magnetic separation.
FIG. 2 is a side view of a quantitative feeder for magnetic separation.
FIG. 3 is a front view of the axial core of the quantitative feeder for magnetic separation.
FIG. 4 is a side view of the axial core of the quantitative feeder for magnetic separation.
FIG. 5 is a front view of a long pipe of a quantitative feeder special for magnetic separation.
FIG. 6 is a side view of a long pipe of a quantitative feeder special for magnetic separation.
FIG. 7 is a front view of a material guide elbow of the quantitative feeder special for magnetic separation.
FIG. 8 is a side view of a material guide elbow of the quantitative feeder special for magnetic separation.
FIG. 9 is a front view of a chute of a quantitative feeder for magnetic separation.
FIG. 10 is a side view of a chute of a quantitative feeder for magnetic separation.
FIG. 11 is a front view of a sealed casing of a quantitative feeder for magnetic separation.
FIG. 12 is a side view of a sealed casing of a quantitative feeder for magnetic separation.
Claims (9)
1. The drive mode of the quantitative feeding machine special for magnetic separation is a motor reducer.
2. The application place is the feeding process of a magnetic separator in the dry separation process of mine beneficiation enterprises.
3. The body of the feeding unit is a seamless steel pipe or a casting.
4. The shaft of the feeding unit is a shaft.
5. The shaft core is composed of a guard plate, a disc, a welding plate, a pressing plate and a dividing blade, the distance between the dividing blade and a circular pipe of the machine body is adjustable within 5-15 mm, the welding plate is connected with the shaft and the disc through welding, and the pressing plate fixes the dividing blade on the welding plate through a bolt.
6. The wear-resisting plate of the material guide elbow is made of detachable manganese steel materials and is connected with the feeding unit and the distributing unit through an upper flange and a lower flange.
7. The sliding groove of the distributing unit is made into a canal type arc.
8. The weighing structure of the metering unit is a plurality of arc-shaped chutes fixed on the metering frame, and the metering frame is connected with the case through two groups of cross-shaped spring pieces.
9. The metering principle is that a weighing sensor measures the force generated by the material flow impacting the chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010696084.2A CN112224887A (en) | 2020-07-20 | 2020-07-20 | Special quantitative feeding machine for magnetic separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010696084.2A CN112224887A (en) | 2020-07-20 | 2020-07-20 | Special quantitative feeding machine for magnetic separation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112224887A true CN112224887A (en) | 2021-01-15 |
Family
ID=74115475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010696084.2A Pending CN112224887A (en) | 2020-07-20 | 2020-07-20 | Special quantitative feeding machine for magnetic separation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112224887A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200989806Y (en) * | 2006-11-06 | 2007-12-12 | 河南中原轧辊有限公司 | Flour mill feeding sensor |
| CN201383982Y (en) * | 2009-03-27 | 2010-01-20 | 广东广兴牧业机械设备公司 | Automatic feeding device for breeding sows |
| CN102689776A (en) * | 2012-06-28 | 2012-09-26 | 张正暘 | Dual-channel star-shaped feeder |
| CN102921526A (en) * | 2011-08-12 | 2013-02-13 | 卢小平 | Feeding device of material crushing apparatus |
| CN204594551U (en) * | 2015-04-30 | 2015-08-26 | 陈阿破 | Close bucket electronic balance |
| CN205588682U (en) * | 2016-05-12 | 2016-09-21 | 黄河科技学院 | Reinforced honeycomb egg -type briquet processingequipment of small -size domestic rotation type ration |
| CN106629128A (en) * | 2016-08-31 | 2017-05-10 | 林张 | Constant feeder |
| CN108651355A (en) * | 2018-08-02 | 2018-10-16 | 六安市武福地生态农业开发有限公司 | A kind of wind spraying aid type aquaculture feed delivery device |
| CN108891869A (en) * | 2018-07-30 | 2018-11-27 | 安徽百特机电工程有限公司 | A kind of revolving plow reclaimer of quantitatively conveying |
| CN110949968A (en) * | 2019-12-31 | 2020-04-03 | 泸州智通自动化设备有限公司 | Disc type constant feeder |
-
2020
- 2020-07-20 CN CN202010696084.2A patent/CN112224887A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200989806Y (en) * | 2006-11-06 | 2007-12-12 | 河南中原轧辊有限公司 | Flour mill feeding sensor |
| CN201383982Y (en) * | 2009-03-27 | 2010-01-20 | 广东广兴牧业机械设备公司 | Automatic feeding device for breeding sows |
| CN102921526A (en) * | 2011-08-12 | 2013-02-13 | 卢小平 | Feeding device of material crushing apparatus |
| CN102689776A (en) * | 2012-06-28 | 2012-09-26 | 张正暘 | Dual-channel star-shaped feeder |
| CN204594551U (en) * | 2015-04-30 | 2015-08-26 | 陈阿破 | Close bucket electronic balance |
| CN205588682U (en) * | 2016-05-12 | 2016-09-21 | 黄河科技学院 | Reinforced honeycomb egg -type briquet processingequipment of small -size domestic rotation type ration |
| CN106629128A (en) * | 2016-08-31 | 2017-05-10 | 林张 | Constant feeder |
| CN108891869A (en) * | 2018-07-30 | 2018-11-27 | 安徽百特机电工程有限公司 | A kind of revolving plow reclaimer of quantitatively conveying |
| CN108651355A (en) * | 2018-08-02 | 2018-10-16 | 六安市武福地生态农业开发有限公司 | A kind of wind spraying aid type aquaculture feed delivery device |
| CN110949968A (en) * | 2019-12-31 | 2020-04-03 | 泸州智通自动化设备有限公司 | Disc type constant feeder |
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Application publication date: 20210115 |
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| RJ01 | Rejection of invention patent application after publication |