CN110539387A - Production system for realizing automatic pelletizing of manganese-zinc ferrite - Google Patents
Production system for realizing automatic pelletizing of manganese-zinc ferrite Download PDFInfo
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- CN110539387A CN110539387A CN201910871206.4A CN201910871206A CN110539387A CN 110539387 A CN110539387 A CN 110539387A CN 201910871206 A CN201910871206 A CN 201910871206A CN 110539387 A CN110539387 A CN 110539387A
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- pelletizing
- weighing hopper
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- 238000005453 pelletization Methods 0.000 title claims abstract description 54
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 229910001289 Manganese-zinc ferrite Inorganic materials 0.000 title claims abstract description 17
- JIYIUPFAJUGHNL-UHFFFAOYSA-N [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] JIYIUPFAJUGHNL-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 238000005303 weighing Methods 0.000 claims abstract description 119
- 239000000463 material Substances 0.000 claims abstract description 117
- 238000002360 preparation method Methods 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000002156 mixing Methods 0.000 claims abstract description 30
- 239000002994 raw material Substances 0.000 claims abstract description 24
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 50
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims description 26
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 24
- 238000009826 distribution Methods 0.000 claims description 13
- 239000011787 zinc oxide Substances 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 22
- 238000003860 storage Methods 0.000 abstract description 2
- 238000001035 drying Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
- B28B13/0215—Feeding the moulding material in measured quantities from a container or silo
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/02—Conditioning the material prior to shaping
- B28B17/026—Conditioning ceramic materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/2658—Other ferrites containing manganese or zinc, e.g. Mn-Zn ferrites
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3262—Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3284—Zinc oxides, zincates, cadmium oxides, cadmiates, mercury oxides, mercurates or oxide forming salts thereof
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a production system for realizing automatic pelletizing of manganese-zinc ferrite, which comprises an automatic raw material feeding and mixing mechanism, an automatic material preparing mechanism, an automatic pelletizing mechanism and a PLC (programmable logic controller), wherein the automatic raw material feeding and mixing mechanism, the automatic material preparing mechanism and the automatic pelletizing mechanism are sequentially connected. The automatic raw material feeding and mixing mechanism is characterized in that a storage bin is connected with a weighing hopper through spiral feeding equipment, and the weighing hopper is connected with a forced mixer. The automatic material preparing mechanism is characterized in that a material sending bin pump is connected with a forced mixing machine and a material preparing bin. The automatic pelletizing mechanism is characterized in that a weighing hopper is connected with a material preparation bin through spiral feeding equipment, and a discharge port of the weighing hopper and a water outlet of a pure water tank are connected with a pelletizing machine. The PLC is electrically connected with the valves of the devices. The production system of the invention has the advantages of automatic pelletizing, high automation degree, simplified raw material weighing process, high accuracy, automatic feeding in procedure and improved batching efficiency. Thoroughly liberate the manual work, the efficiency of pelletizing is also promoted.
Description
Technical Field
The invention relates to the technical field of manganese-zinc ferrite magnetic material production, in particular to a production system for realizing automatic pelletizing of manganese-zinc ferrite.
background
At present, the manganese-zinc ferrite production and manufacturing processes are of two types, namely wet process manufacturing and dry process manufacturing, and the dry process manufacturing is the most widely applied production process at present along with the intensification of the production cost. But the restriction lies in the poor defects of flexibility of material switching, accuracy of formula and the like, and simultaneously, the full-automatic and intelligent degree of the dry process is lagged behind. Compared with a wet method, the method just makes up the defects of the dry method, and the wet method has the advantages of high automation degree, high purity of the obtained finished product and high stability. But the defects of the wet method are also obvious, namely the production cost is high and the process flow is long in running time. From the perspective of cost and high efficiency, the dry process is more suitable for mass production and is better than the wet process in terms of physical forming performance.
As shown in fig. 1, the conventional production system for the dry process for producing manganese-zinc-ferrite comprises four bins, namely an iron oxide bin i 1, an iron oxide bin ii 2, a manganese oxide bin 3 and a zinc oxide bin 4. The spiral feeding device 5 is arranged on the lower portion of each bin, a weighing hopper I6 is arranged below each spiral feeding device 5, the spiral feeding devices 5 are arranged below each weighing hopper I6 respectively, the spiral feeding devices 5 below all the weighing hoppers I6 are gathered into a weighing hopper II 11, a mixing device 18 is arranged below each weighing hopper II 11, mixed materials enter a vibrating mill 19 and then enter a subsequent bin 20 through the spiral feeding device 5 on the lower portion, three artificial balling machines 21 are arranged together, each pelletizer is provided with a bin 20, the materials coming out of the vibrating mill enter the bin 20, the spiral feeding devices 5 are arranged on the lower portion of each bin 20 and are fed to each artificial balling machine 21, and then the required material balls are formed by adding a proper amount of water through artificial balling and waiting for subsequent presintering.
The production system of the traditional manganese zinc ferrite production and manufacturing dry process has the defects that:
1. the weighing process of raw and other materials is loaded down with trivial details, and every feed bin has set up the weighing hopper, has improved the precision of weighing to a certain extent, but influences the continuity of mass production, and at the actual operation in-process, the characteristic of raw and other materials leads to the raw materials in the weighing hopper often to be arranged not empty, leads to the unloading valve of weighing hopper often to close the delay, often needs the weighing hopper to peel in the production process, just can make the valve close, follow-up continuous operation. Not only does not improve the weighing precision, but also increases the workload of the staff to a certain extent.
2. The mixed raw materials need to be subjected to vibromilling, the steps are complicated, and if the process of mixing and vibromilling can be replaced by a device, the mixed raw materials have higher loose-loading ratio, so that the process is simpler. The fewer steps, the less degree of continuity resulting from equipment failure. The higher the production efficiency will be
3. The mixture that shakes and grinds does not realize automatic blending, but the elevator bucket sends the material to the feed bin of every balling, sends a nearest feed bin earlier, then is sending the second platform, is the third platform in proper order, in the operation process, often has the third balling machine farthest and does not have the balling of material, and the balling quantity through injecing every balling machine remedies the inhomogeneous problem of feed, the efficiency greatly reduced of balling.
disclosure of Invention
In order to solve the defects, the invention aims to provide a production system for realizing automatic pelletizing of manganese-zinc ferrite.
In order to achieve the purpose, the invention is realized by the following technical scheme: a production system for realizing automatic pelletizing of manganese-zinc ferrite comprises a raw material automatic feeding and mixing mechanism, an automatic material preparing mechanism, an automatic pelletizing mechanism and a PLC (programmable logic controller), wherein the raw material automatic feeding and mixing mechanism, the automatic material preparing mechanism and the automatic pelletizing mechanism are sequentially connected;
The automatic raw material feeding and mixing mechanism comprises a stock bin, spiral feeding equipment, a weighing hopper I and a strong mixer, wherein a discharge port of the stock bin is connected with a feed port of the weighing hopper I through the spiral feeding equipment;
The automatic material preparation mechanism comprises a material distribution bin pump, a material preparation bin I and a material preparation bin II, wherein a feed inlet of the material distribution bin pump is connected with a discharge outlet of the forced mixer, a discharge outlet of the material distribution bin pump is connected with feed inlets of the material preparation bin I and the material preparation bin II, a valve is arranged at the discharge outlet of the material distribution bin pump, and valves are arranged at the feed inlets of the material preparation bin I and the material preparation bin II;
The automatic pelletizing mechanism comprises a spiral feeding device, a weighing hopper II, a weighing hopper III, a pelletizing machine I, a pelletizing machine II, a pure water tank I and a pure water tank II, wherein feeding ports of the weighing hopper II and the weighing hopper III are respectively connected with a discharging port of the material preparation bin I and a discharging port of the material preparation bin II through the spiral feeding device;
The PLC is electrically connected with the valve.
Further, the feed bin includes iron oxide feed bin I, iron oxide feed bin II, manganese oxide feed bin and zinc oxide feed bin, the discharge gate of iron oxide feed bin I, iron oxide feed bin II, manganese oxide feed bin and zinc oxide feed bin is equipped with the valve, the valve with the PLC controller electricity is connected.
Further, the stock bin, the weighing hopper I, the weighing hopper II, the weighing hopper III, the material preparation stock bin I and the material preparation stock bin II are all provided with weighing sensors, and the weighing sensors are electrically connected with the PLC.
Further, feed bin I, feed bin II set up high, middle, low three material level weight value, the PLC controller passes through three material level weight value logical relation control between feed bin I, feed bin II feed bin I, the valve of II feed inlets of feed bin.
The invention has the beneficial effects that:
1. The weighing process of the raw materials is simplified, only one weighing hopper is provided, the accuracy of the weighing hopper is ensured, and the weighing accuracy of each raw material can be ensured. Equipment is few, and the calibration of pertinence, maintenance are just convenient more, and the process reduces the back moreover, weigh efficiency greatly increased also.
2. The weighing hopper enters the strong mixing machine, the mixing effect of various raw materials is the same as the mixing and vibrating grinding effect, the equipment is reduced, the efficiency is improved, and the final mixing effect is the same.
3. Automatic batching, the efficiency of batching improves, no longer has the problem of no material pelletization, and two pelletization feed bins simultaneously through the difference of elevating capacity, procedure automatic feed have promoted the efficiency of batching greatly.
4. the automatic pelletizing system thoroughly liberates manpower and improves the automation level. The efficiency of pelletizing is also improved.
Drawings
fig. 1 is a schematic diagram of a production system in the background art.
FIG. 2 is a schematic view of a production system of the present invention.
Wherein: 1. iron oxide feed bin I, 2, iron oxide feed bin II, 3, manganese oxide feed bin, 4, zinc oxide feed bin, 5, spiral feeding equipment, 6, weighing hopper I, 7, intensive mixing machine, 8, distributing bin pump, 9, feed bin I, 10, feed bin II, 11, weighing hopper II, 12, weighing hopper III, 13, pelletizer I, 14, pelletizer II, 15, pure water tank I, 16, pure water tank II, 17, valve, 18, compounding device, 19, vibrating mill, 20, feed bin, 21, artifical pelletizer.
Detailed Description
For the purpose of enhancing understanding of the present invention, the present invention will be further described in detail with reference to the following examples, which are provided for illustration only and are not to be construed as limiting the scope of the present invention.
As shown in fig. 2, a production system for realizing automatic pelletizing of manganese-zinc ferrite comprises an automatic raw material feeding and mixing mechanism, an automatic material preparing mechanism, an automatic pelletizing mechanism and a PLC controller, wherein the automatic raw material feeding and mixing mechanism, the automatic material preparing mechanism and the automatic pelletizing mechanism are sequentially connected.
Automatic material and mixing mechanism of throwing of raw materials includes feed bin, spiral feeder 5, weighing hopper I6 and mixes machine 7 by force, and the discharge gate of feed bin passes through spiral feeder 5 to be connected with the feed inlet of weighing hopper I6, and the feed inlet of mixing machine 7 by force is connected to the discharge gate of weighing hopper I6, is equipped with valve 17 between spiral feeder 5 and the weighing hopper I6. The storage bin and the weighing hopper I6 are both provided with weighing sensors.
Wherein, the feed bin includes iron oxide feed bin I1, iron oxide feed bin II 2, manganese oxide feed bin 3 and zinc oxide feed bin 4. The arrangement of the two iron oxide bins can facilitate the switching of types of iron oxide during the reproduction of manganese-zinc ferrite with different materials. Four feed bins all are equipped with weighing sensor, and the discharge gate department of feed bin all is equipped with valve 17. The adding amount of the iron oxide, the manganese oxide and the zinc oxide is controlled by the formula distribution of the manganese-zinc ferrite set by the PLC, and the specific adding amount is added according to the system requirement.
The automatic material preparation mechanism comprises a material distribution bin pump 8, a material preparation bin I9 and a material preparation bin II 10, wherein a feed inlet of the material distribution bin pump 8 is connected with a discharge outlet of the forced mixing machine 7, a discharge outlet of the material distribution bin pump 8 is connected with feed inlets of the material preparation bin I9 and the material preparation bin II 10, a valve 17 is arranged at a discharge outlet of the material distribution bin pump 8, and valves 17 are arranged at feed inlets of the material preparation bin I9 and the material preparation bin II 10; and the material preparation bin I9 and the material preparation bin II 10 are both provided with weighing sensors.
The automatic pelletizing mechanism comprises a spiral feeding device 5, a weighing hopper II 11, a weighing hopper III 12, a pelletizing machine I13, a pelletizing machine II 14, a pure water tank I15 and a pure water tank II 16, wherein feed inlets of the weighing hopper II 11 and the weighing hopper III 12 are respectively connected with a feed inlet I9 of a material preparation bin and a discharge outlet of a material preparation bin II 10 through the spiral feeding device 5, discharge outlets of the weighing hopper II 11 and the weighing hopper III 12 are respectively connected with a feed inlet of the pelletizing machine I13 and a feed inlet of the pelletizing machine II 14, discharge outlets of the pure water tank I15 and the pure water tank II 16 are respectively connected with a feed inlet of the pelletizing machine I13 and a feed inlet of the pelletizing machine II 14, and valves 17 are respectively arranged between the spiral feeding device 5 and the weighing hopper II 11, between the weighing hopper III 12, between the weighing hopper II 11 and the pure water tank I15 and the pelletizing machine I13, and between the weighing hopper III 12 and the pure water tank II 16 and; weighing sensors are arranged on the weighing hoppers II 11 and the weighing hoppers III 12.
Wherein, the weighing sensor and the valve 17 are electrically connected with the PLC controller
The material preparation bin I9 and the material preparation bin II 10 are provided with high, medium and low three material level weight values, and the PLC controller controls the valve 17 at the material inlet of the material preparation bin I9 and the material preparation bin II 10 through the logical relation of the three material level weight values between the material preparation bin I9 and the material preparation bin II 10.
The present invention will be described in detail with reference to examples.
The working process of the system is as follows:
Automatic feeding and mixing system for raw materials: according to the production formula, the proportion of iron, manganese and zinc is 70 percent to 20 percent to 10 percent, 300kg of feeding materials are arranged, 210kg of feeding materials are fed into an iron oxide bin I1 (or an iron oxide bin II 2), 60kg of feeding materials are fed into a manganese oxide bin 3, and 30kg of feeding materials are fed into a zinc oxide bin 4; setting an iron oxide bin I1 to feed iron oxide raw materials, wherein the weight signal of a weighing sensor of a weighing hopper I6 is 0kg, feeding is started by a plurality of spiral feeding devices 5 below the bin according to the sequence of feeding iron, manganese and zinc, the spiral feeding devices 5 and a valve 17 below the iron oxide bin I1 are opened, and the valve 17 below the weighing hopper I6 is kept closed; at the moment, the spiral feeding device 5 feeds materials at a high speed, the frequency is 15 Hz, and when the weight of the weighing hopper I6 is increased to 150kg, the spiral frequency is reduced to 10 Hz; when the weight of the iron oxide bin I1 is increased to 200kg, the frequency is reduced by 5 Hz in a spiral mode, the weight of the iron oxide bin I reaches 210kg, and the spiral feeding device 5 and the valve 17 below the iron oxide bin I1 are closed. Peeling and resetting a weighing hopper I6 by a PLC program, opening a spiral feeding device 5 and a valve 17 below a manganese oxide bin 3, and keeping the valve 17 below the weighing hopper I6 closed; at the moment, the spiral feeding device 5 feeds materials at a high speed, the frequency is 15 Hz, and when the weight of the weighing hopper I6 is increased to 30kg, the spiral frequency is reduced to 10 Hz; when the weight of the manganese oxide bin is increased to 50kg, the frequency is reduced by 5 Hz in a spiral mode, the weight of the manganese oxide bin reaches 60kg, and the spiral feeding device 5 and the valve 17 below the manganese oxide bin 3 are closed. Peeling and resetting a weighing hopper I6 by a PLC program, opening a spiral feeding device 5 and a valve 17 below a zinc oxide bin 4, and keeping the valve 17 below the weighing hopper I6 closed; at the moment, the spiral feeding device 5 below the zinc oxide bin 4 feeds materials at a high speed, the frequency is 15 Hz, and when the weight of the weighing hopper I6 is increased to 15kg, the spiral frequency is reduced to 10 Hz; when the weight is increased to 25kg, the frequency is reduced by 5 Hz in a spiral mode, the weight reaches 30kg, the spiral feeding device 5 and the valve 17 below the zinc oxide bin 4 are closed, and the PLC program peels and clears the weighing hopper I6. Simultaneously, automatically opening a valve 17 below the weighing hopper I6 by a program, starting the strong mixer 7 to operate at a low speed of 15 Hz, displaying the weight of the weighing hopper to be 300kg, closing the valve 17 below the weighing hopper I6, and simultaneously starting weighing of the second material by the weighing hopper I6; the strong mixer 7 runs at the high speed of 40 Hz, the timing is started for 15 minutes, the strong mixer 7 runs at the low speed of 15 Hz when the timing is up, and the high-speed mixing is finished.
Automatic system of prepareeing material: and (3) after the high-speed mixing time is finished, opening a valve 17 below the intensive mixer 7, starting discharging timing for 10 minutes, finishing the discharging time, adding the mixed materials into the dispensing bin pump 8, closing the valve 17 below the intensive mixer 7, and opening the valve 17 below the dispensing bin pump 8. At the moment, the weight signals of the weighing sensors of the material preparation bin I9 and the material preparation bin II 10 are 0kg, the weight values are low, and the materials are prepared according to the following logical relation.
automatic stock preparation logical relation table
| Feed stock bin I | Valve at feed inlet of feed preparation bin I | Feed preparation bin II | Valve at feed inlet of feed preparation bin II |
| ≤L | √ | ≤L | |
| Less than or equal to M and greater than L | ≤L | √ | |
| M and < H | ≤L | √ | |
| H | ≤L | √ | |
| ≤L | √ | Less than or equal to M and greater than L | |
| ≤L | √ | m and < H | |
| ≤L | √ | H | |
| Less than or equal to M and greater than L | √ | Less than or equal to M and greater than L | |
| M and < H | Less than or equal to M and greater than L | √ | |
| H | less than or equal to M and greater than L | √ | |
| less than or equal to M and greater than L | √ | M and < H | |
| Less than or equal to M and greater than L | √ | H | |
| M and < H | The materials are supplied in the material preparing bin without selection | M and < H | The materials are supplied in the material preparing bin without selection |
| H | M and < H | √ | |
| M and < H | √ | H | |
| H | Stopping the supply of material | H | Stopping the supply of material |
Note: h: high weight, M: median weight, low value of Lweight; v is on, and the others are off.
Automatic pelletizing system: the material level weight of the material preparation bin I9 is larger than a low value, the material level weight is set according to an automatic pelletizing program, the pelletizing weight is 300kg, the amount of materials and water is added in 3 times, 100kg of materials and 15kg of water are added every time, and the frequency of the pelletizer I13 is low-speed 15 Hz, and high-speed 30 Hz. Weighing the materials and water for the first time, wherein the weight signal of a weighing sensor of a weighing hopper II 11 is 0kg, a valve 17 above the weighing hopper II 11 and the spiral feeding equipment 5 are opened, the materials and the water run at 15 Hz, and the valve 17 below the weighing hopper II 11 is kept closed; the weight of the weighing hopper II 11 is increased to 60kg, and the spiral feeding device 5 is reduced to 10 Hz; the weight of the weighing hopper II 11 is increased to 90kg, and the spiral feeding device 5 is reduced to 5 Hz; the weight of the weighing hopper II 11 is increased to 100 kg; the spiral feeding equipment 5 stops, the valve 17 above the weighing hopper II 11 is closed, the valve 17 below the weighing hopper II 11 is opened, meanwhile, the pelletizer I13 runs at a low speed of 15 Hz, the weight sensor of the weighing hopper II 11 is 0kg, the valve 17 below the weighing hopper II 11 is closed, and the weighing operation is repeated. High-speed 30 Hz of balling machine I13 begins the operation, and the balling timing 10 minutes begins, and the valve 17 of I15 department of pure water jar simultaneously opens, and pure water is thrown to I15 of pure water jar, and the weight signal difference of the weighing sensor of I15 of pure water jar reaches 15kg, and the valve 17 of I15 department of pure water jar is closed. When the timing time is up, the pelletizer I13 rotates to operate at a low speed of 15 Hz, and pelletizing and material supplementing and pure water are carried out according to the blanking; after the pelletizing weight of 300kg is finished, the pelletizer I13 operates at low speed of 15 Hz, and the subsequent pre-sintering is carried out after discharging.
Similarly, the material level weight of the material preparation bin II 10 is larger than a low value, the material level weight is set according to an automatic pelletizing program, the pelletizing weight is 300kg, the amount of the material and the water are added for 3 times, 100kg of the material and 15kg of the water are added every time, and the frequency of the pelletizer II 14 is low, the speed is 15 Hz, and the speed is 30 Hz. Weighing the materials and water for the first time, wherein the weight signal of a weighing sensor of the weighing hopper III 12 is 0kg, the valve 17 above the weighing hopper III 12 and the spiral feeding equipment 5 are opened, the materials are operated at 15 Hz, and the valve 17 below the weighing hopper III 12 is kept closed; the weight of the weighing hopper III 12 is increased to 60kg, and the spiral feeding device 5 is reduced to 10 Hz; the weight of the weighing hopper III 12 is increased to 90kg, and the spiral feeding device 5 is reduced to 5 Hz; the weight of the weighing hopper III 12 is increased to 100 kg; the spiral feeding equipment 5 stops, a valve 17 above a weighing hopper III 12 is closed, a valve 17 below the weighing hopper III 12 is opened, meanwhile, the pelletizer II 14 runs at a low speed of 15 Hz, the weight sensor of the weighing hopper III 12 is 0kg, the valve 17 below the weighing hopper III 12 is closed, and the weighing operation is repeated. The pelletizer II 14 starts to operate at a high speed of 30 Hz, the pelletizing timing is started within 10 minutes, meanwhile, the valve 17 at the pure water tank II 16 is opened, pure water is added into the pure water tank II 16, the weight signal difference of the weighing sensor of the pure water tank II 16 reaches 15kg, and the valve 17 at the pure water tank II 16 is closed. When the timing time is up, the pelletizer II 14 rotates to operate at a low speed of 15 Hz, and pelletizing and material supplementing and pure water are carried out according to the blanking; and (3) finishing the pelletizing by 300kg, operating the pelletizer II 14 at a low speed of 15 Hz, and performing subsequent pre-sintering after discharging.
The production system of the invention has the advantages that:
1. The weighing process of the raw materials is simplified, only one weighing hopper is provided, the accuracy of the weighing hopper is ensured, and the weighing accuracy of each raw material can be ensured. Equipment is few, and the calibration of pertinence, maintenance are just convenient more, and the process reduces the back moreover, weigh efficiency greatly increased also.
2. The weighing hopper enters the strong mixing machine, the mixing effect of various raw materials is the same as the mixing and vibrating grinding effect, the equipment is reduced, the efficiency is improved, and the final mixing effect is the same.
3. Automatic batching, the efficiency of batching improves, no longer has the problem of no material pelletization, and two pelletization feed bins simultaneously through the difference of elevating capacity, procedure automatic feed have promoted the efficiency of batching greatly.
4. The automatic pelletizing system thoroughly liberates manpower and improves the automation level. The efficiency of pelletizing is also improved.
Claims (4)
1. The utility model provides a realize automatic production system of pelletizing of manganese zinc ferrite which characterized in that: the automatic pelletizing device comprises a raw material automatic feeding and mixing mechanism, an automatic material preparing mechanism, an automatic pelletizing mechanism and a PLC (programmable logic controller), wherein the raw material automatic feeding and mixing mechanism, the automatic material preparing mechanism and the automatic pelletizing mechanism are sequentially connected;
the automatic raw material feeding and mixing mechanism comprises a stock bin, spiral feeding equipment, a weighing hopper I and a strong mixer, wherein a discharge port of the stock bin is connected with a feed port of the weighing hopper I through the spiral feeding equipment;
The automatic material preparation mechanism comprises a material distribution bin pump, a material preparation bin I and a material preparation bin II, wherein a feed inlet of the material distribution bin pump is connected with a discharge outlet of the forced mixer, a discharge outlet of the material distribution bin pump is connected with feed inlets of the material preparation bin I and the material preparation bin II, a valve is arranged at the discharge outlet of the material distribution bin pump, and valves are arranged at the feed inlets of the material preparation bin I and the material preparation bin II;
The automatic pelletizing mechanism comprises a spiral feeding device, a weighing hopper II, a weighing hopper III, a pelletizing machine I, a pelletizing machine II, a pure water tank I and a pure water tank II, wherein feeding ports of the weighing hopper II and the weighing hopper III are respectively connected with a discharging port of the material preparation bin I and a discharging port of the material preparation bin II through the spiral feeding device;
The PLC is electrically connected with the valve.
2. The production system for realizing automatic pelletizing of manganese-zinc ferrite according to claim 1, characterized in that: the feed bin includes iron oxide feed bin I, iron oxide feed bin II, manganese oxide feed bin and zinc oxide feed bin, the discharge gate of iron oxide feed bin I, iron oxide feed bin II, manganese oxide feed bin and zinc oxide feed bin is equipped with the valve, the valve with the PLC controller electricity is connected.
3. the production system for realizing automatic pelletizing of manganese-zinc ferrite according to claim 1, characterized in that: the feed bin, the weighing hopper I, the weighing hopper II, the weighing hopper III, the material preparation bin I and the material preparation bin II are all provided with weighing sensors, and the weighing sensors are electrically connected with the PLC.
4. The production system for realizing automatic pelletizing of manganese-zinc ferrite according to claim 1, characterized in that: feed stock bin I, feed stock bin II set up high, middle and low three material level weight value, the PLC controller passes through three material level weight value logical relation control between feed stock bin I, feed stock bin II the valve of feed inlet department of feed stock bin I, feed stock bin II.
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