CN205628241U - Phosphorus slag grinding system - Google Patents

Phosphorus slag grinding system Download PDF

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Publication number
CN205628241U
CN205628241U CN201620422544.1U CN201620422544U CN205628241U CN 205628241 U CN205628241 U CN 205628241U CN 201620422544 U CN201620422544 U CN 201620422544U CN 205628241 U CN205628241 U CN 205628241U
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phosphorus slag
phosphorus
connects
slag powder
belt conveyer
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CN201620422544.1U
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林先明
何立春
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JIANGSU XINYE HEAVY INDUSTRY Co Ltd
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JIANGSU XINYE HEAVY INDUSTRY Co Ltd
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Abstract

The utility model relates to a phosphorus slag grinding system, it includes phosphorus slag material feeding unit, phosphorus slag grinding device and discharging device, and phosphorus slag material feeding unit connects phosphorus slag grinding device, and discharging device connects phosphorus slag grinding device, wherein phosphorus slag grinding device grinds and the hot -blast furnace including standing, stand to grind and connect phosphorus slag material feeding unit, the hot -blast furnace is connected found the air intake that grinds, the fuel of hot -blast furnace is the tail gas of yellow phosphorus production line. The utility model provides a phosphorus slag grinding system carries out the grinding through founding the mill to the phosphorus slag, and it is few to grind shared land area immediately, increases land use efficiency. In addition through the produced tail gas of yellow phosphorus production line as the fuel of hot -blast furnace and to make the hot -blast furnace produce hot -blast, or the produced waste gas of use system dries and founds the phosphorus slag in grinding, not only reaches waste gas to recycle, reduces the water content of phosphorus slag simultaneously, increases the easy mill nature and the abradability of phosphorus slag, entire system's power consumption can be controlled 42 degrees / ton, improves production efficiency and output.

Description

A kind of phosphorus slag powder grinding system
Technical field
This utility model relates to waste residue grinding technical field produced by a kind of phosphorus production line, particularly relates to one Plant phosphorus slag powder grinding system and production method thereof.
Background technology
Phosphorus slag is a kind of solid industrial waste residue produced during phosphorus production, and its chemical composition is: CaO: 47-52%, SiO2: 40-43%, P2O5: 0.8-2.5%, Al2O3: 2-5%, Fe2O3: 0.8-3.0%, F:2.5-3%, potential mineral facies are pseudowollastonite, cuspidine and a small amount of apatite.Its structure 90% is left Right for vitreous body, often produce 1 ton of yellow phosphorus when electric furnace process produces yellow phosphorus, by-product phosphorus slag 8-10 ton, at present China's phosphorus storage level is relatively big, is largely focused on Yunnan Province of China, Guizhou and Sichuan etc. and saves, waste residue utilization rate The highest, the sky that falls in a large number is stacked, and does not only take up substantial amounts of soil, and the P in phosphorus slag2O5And other harmful units Element can permeate the ground in rainwater, causes water to pollute and soil pollution, thus yellow phosphorus waste slag comprehensive utilization is The current urgent problem solved.
At present, processing method is that phosphorus slag is levigate effectively, is subsequently adding in cement, as Concrete Industry Compound use, in prior art, phosphorus slag milling equipment mainly utilizes dehydrator and ball mill, first After being dried by phosphorus slag, after sending into ball mill grinding, make finished product, but owing to phosphorus slag water content is relatively big, Grindability and abrasion are the most very poor, utilize dehydrator and Ball Mill System to carry out drying grinding, its system electricity Consumption up to 80KMh/t, and process little, it is difficult to meet a large amount of needs processing waste residue grinding.
Utility model content
For deficiency of the prior art, the purpose of this utility model is to provide a kind of phosphorus slag powder grinding system.
In order to solve above-mentioned technical problem, this application discloses a kind of phosphorus slag powder grinding system, it is characterised in that Including phosphorus slag pay-off, phosphorus slag powder mill apparatus and drawing mechanism, phosphorus slag pay-off connects phosphorus slag grinding dress Putting, drawing mechanism connects phosphorus slag powder mill apparatus;Wherein phosphorus slag powder mill apparatus includes Vertical Mill and air stove, Vertical Mill Connecting phosphorus slag pay-off, air stove connects the air inlet of described Vertical Mill, and the fuel of air stove is phosphorus production The tail gas of line.
An embodiment according to the application, above-mentioned phosphorus slag pay-off includes feeding machine, belt conveyer scale, feeding Belt conveyor, permanent magnetism self-unloading type deferrization device, metal detector, Pneumatic three-way valve and air valve, belt conveyer scale Being arranged at the lower section of feeding machine, feeding belt conveyer is arranged at the lower section of belt conveyer scale, feeding machine and belt conveyer scale It is positioned at the feed end of feeding belt conveyer, permanent magnetism self-unloading type deferrization device and metal detector sequential in sending The top of material belt conveyor, and it is positioned at the side of belt conveyer scale, the first valve port of Pneumatic three-way valve connects feeding The discharge end of belt conveyor, the second valve port of Pneumatic three-way valve connects the import of air valve, going out of air valve Mouth connects phosphorus slag powder mill apparatus.
An embodiment according to the application, the charging aperture of above-mentioned Vertical Mill connects the outlet of air valve.
An embodiment according to the application, above-mentioned drawing mechanism includes sack cleaner, air flume, goes out Material elevator and storage vault, the import of sack cleaner connects the finished product discharging opening of Vertical Mill, and air flume is positioned at The lower section of the outlet of sack cleaner, and connect the feed end of discharging elevator, the discharge end of discharging elevator Connect storage vault.
An embodiment according to the application, the above-mentioned feed back conveying arrangement that also includes, feed back conveying arrangement connects Between phosphorus slag pay-off and phosphorus slag powder mill apparatus.
An embodiment according to the application, above-mentioned feed back conveying arrangement includes locking wind weight unloading valve, feed back Belt conveyor, feed back elevator and deironing device of pipeline, lock wind weight unloading valve is arranged at slagging tap of Vertical Mill Mouthful, feed back belt conveyor is positioned at the lower section of lock wind weight unloading valve, and its one end connects back to expect entering of elevator Material end, the discharge end of feed back belt conveyor is positioned at the top of the discharge end of feeding belt conveyer, and pipeline removes The import of ironware is arranged at the discharge end of feed back elevator, and its outlet is towards the discharging of feeding belt conveyer End.
An embodiment according to the application, the above-mentioned exhaust gas circulating device that also includes, exhaust gas circulating device connects Between phosphorus slag powder mill apparatus and drawing mechanism.
An embodiment according to the application, above-mentioned exhaust gas circulating device includes exhaust blower and chimney, exhaust blower Connect the air outlet of sack cleaner, and connected the air inlet of chimney and Vertical Mill by two pipelines respectively.
Compared with prior art, the application can obtain and include techniques below effect:
The phosphorus slag powder grinding system of the application carries out grinding by Vertical Mill to phosphorus slag, the land area shared by Vertical Mill Few, increase land utilization efficiency.
The phosphorus slag powder grinding system of the application passes through tail gas produced by phosphorus production line as the fuel of air stove And make air stove produce hot blast, or waste gas produced by use system dries the phosphorus slag in Vertical Mill, not only reaches Waste gas recycles, and reduces the water content of phosphorus slag simultaneously, increases grindability and abrasion, the whole system of phosphorus slag Power consumption can control at 42 KWhs/ton, improve production efficiency and yield.
The phosphorus slag powder grinding system of the application further includes feed back conveying arrangement, allows the phosphorus slag of entrance system completely by nothing Evilization processes, it is to avoid the phosphorus slag of residual pollutes environment.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the phosphorus slag powder grinding system of the application one embodiment.
Detailed description of the invention
To schematically disclose multiple embodiments of the application below, as clearly stated, in many practices Details will be explained in the following description.It should be appreciated, however, that the details in these practices is not applied To limit the application.It is to say, in the some embodiments of the application, the details in these practices is Non-essential.Additionally, for simplify graphic for the sake of, some known usual structures and assembly in the drawings will be with Simply illustrative mode illustrates it.
About it " first ", " second " etc. used herein, censure order or the meaning of cis-position the most especially Thinking, be also not used to limit the application, it is only used to assembly or the behaviour that difference describes with constructed term Make.
Referring to Fig. 1, it is the schematic diagram of phosphorus slag powder grinding system 1 of the application one embodiment;As schemed Showing, the application provides a kind of phosphorus slag powder grinding system 1 to include phosphorus slag pay-off 10, phosphorus slag powder mill apparatus 11 And drawing mechanism 12, phosphorus slag pay-off 10 connects phosphorus slag powder mill apparatus 11, and drawing mechanism 12 connects phosphorus Ground-slag mill apparatus 11.The phosphorus slag pay-off 10 of following detailed description the application, phosphorus slag powder mill apparatus 11 And the thin portion structure of drawing mechanism 12, phosphorus slag pay-off 10 include feeding machine 101, belt conveyer scale 102, Feeding belt conveyer 103, permanent magnetism self-unloading type deferrization device 104, metal detector 105, Pneumatic three-way valve 106 and air valve 107.Belt conveyer scale 102 is arranged at the lower section of feeding machine 101, feeding belt conveyer 103 It is arranged at the top of belt conveyer scale 102, feeding machine 101 and belt conveyer scale 102 and is positioned at feeding belt conveyer 103 The top of feed end.Permanent magnetism self-unloading type deferrization device 104 and metal detector 105 sequential are in feeding The top of belt conveyor 103, and it is positioned at the side of belt conveyer scale 102.The first of Pneumatic three-way valve 106 Valve port 1061 connects the discharge end of feeding belt conveyer 103, the second valve port 1062 of Pneumatic three-way valve 106 Connecting the import of air valve 107, the outlet of air valve 107 connects phosphorus slag powder mill apparatus 11.
Phosphorus slag powder mill apparatus 11 includes Vertical Mill 111 and air stove 112, and the top of Vertical Mill 111 includes charging Mouth 1111 and finished product discharging opening 1112, its underpart includes air inlet 1113.Charging aperture 1111 connects phosphorus slag The outlet of the air valve 107 of pay-off 10, air stove 112 connects the air inlet 1113 of Vertical Mill 111, It is fuel gas hot-blast stove, and to use the tail gas of phosphorus production line be fuel.
Drawing mechanism 12 includes sack cleaner 121, air flume 122, discharging elevator 123 and storage Warehousing 124, the import 1211 of sack cleaner 121 connects the finished product discharging opening 1112 of Vertical Mill 111, empty Gas skewed slot 122 is positioned at the lower section of the outlet 1212 of sack cleaner 121, and air flume 122 connects discharging The feed end of elevator 123, the discharge end of discharging elevator 123 connects storage vault 124.
The production method of the phosphorus slag powder grinding system 1 of the application is to first pass through phosphorus slag pay-off 10 to be delivered to phosphorus Ground-slag mill apparatus 11.Mainly phosphorus slag being inserted feeding machine 101, feeding machine 101 supplies phosphorus slag to belt conveyer scale 102, belt conveyer scale 102 supplies the phosphorus slag feed end to feeding belt conveyer 103, feeding belt conveyer 103 transmission phosphorus slags are to its discharge end.Phosphorus slag transmits to its discharging from the feed end of feeding belt conveyer 103 During end, permanent magnetism self-unloading type deferrization device 104 adsorbs the scum in phosphorus slag, and metal detector 105 is detectd Surveying in phosphorus slag and whether have scum, the phosphorus slag of the discharge end output of feeding belt conveyer 103 does not contains ferrum Slag.Phosphorus slag without scum enters Pneumatic three-way valve 106 from the first valve port 1061 of Pneumatic three-way valve 106, Being entered air valve 107 by the second valve port 1062 of Pneumatic three-way valve 106 again, last phosphorus slag is by air valve 107 Outlet enter phosphorus slag powder mill apparatus 11.
Now phosphorus slag powder mill apparatus 11 carries out grinding to phosphorus slag, and phosphorus slag is from the outlet of air valve 107 and Vertical Mill The charging aperture 1111 of 111 enters Vertical Mill 111, air stove simultaneously 112 burn phosphorus production line tail gas produce Heat wind, and allow hot blast enter Vertical Mill 111 from the air inlet 113 of Vertical Mill 111.Enter the heat of Vertical Mill 111 Phosphorus slag is dried by wind, reduces the water content of phosphorus slag, and the phosphorus slag dried can be carried out by such Vertical Mill 111 Grinding.Through the phosphorus slag formation finished product of grinding, finished product exports to going out from the finished product discharging opening 1112 of Vertical Mill 111 Material device 12.
Then conveying finished product enters pocket type from the import of sack cleaner 121 remove to drawing mechanism 12, finished product Dirt device 121, finished product is exported to air flume 122, air flume 122 by sack cleaner 121 from its outlet Conveying finished product to the feed end of discharging elevator 123, discharging elevator 123 lifting finished product to its discharge end, And finished product is sent in storage vault 124.
The phosphorus slag powder grinding system 1 of the application, by Vertical Mill 111 grinding phosphorus slag, utilizes air stove 112 simultaneously Phosphorus slag in Vertical Mill 111, to Vertical Mill 111, is dried by the tail gas generation hot blast of introduction phosphorus production line, Reduce the water content of phosphorus slag, increase grindability and the abrasion of phosphorus slag.The phosphorus slag powder grinding system 1 of the application Simple and reliable for structure, production efficiency is high, and yield is big, and its power consumption can control at 42 KWhs/ton.This Shen Phosphorus slag powder grinding system 1 please uses Vertical Mill 111 grinding phosphorus slag, and its floor space is few, land utilization efficiency High.Can phosphorus slag produced by phosphorus production line be carried out innoxious by the phosphorus slag powder grinding system 1 of the application Process and repeat tail gas produced by use phosphorus production line phosphorus slag is dried.
Again refering to Fig. 1, the phosphorus slag powder grinding system 1 of the application further includes feed back conveying arrangement 13 and waste gas follows Loop device 14.Feed back conveying arrangement 13 connects between phosphorus slag pay-off 10 and phosphorus slag powder mill apparatus 11, useless Abandon circulating device 14 to connect between phosphorus slag powder mill apparatus 11 and drawing mechanism 12.Feed back conveying arrangement 13 wraps Include lock wind weight unloading valve 131, feed back belt conveyor 132, feed back elevator 133 and deironing device of pipeline 134, lock wind weight unloading valve 131 is arranged at the slag notch 1114 of Vertical Mill 111 bottom, feed back Belt Conveying Machine 132 is positioned at the lower section of lock wind weight unloading valve 131, and its one end connects back to expect the charging of elevator 133 End, the discharge end of feed back elevator 133 is positioned at the top of the discharge end of feeding belt conveyer 103, pipe The import of road tramp iron separator 134 is arranged at the discharge end of feed back elevator 133, and its outlet is towards feeding belt The discharge end of conveyer 103.When phosphorus slag enters Vertical Mill 111, part is had to drop without the phosphorus slag of grinding To the slag notch 1114 of Vertical Mill 111 bottom, after lock wind weight unloading valve 131 is opened, phosphorus slag drops in feed back Belt conveyor 132, feed back belt conveyor 132 transmits phosphorus slag and enters the feed end of feed back elevator 133, Feed back elevator 133 lifting phosphorus slag carries out scum to its discharge end, phosphorus slag by deironing device of pipeline 134 Removing, through going the phosphorus slag of iron dross removing to drop in feeding belt conveyer 103, feeding belt conveyer 103 will again Carry out grinding through going the phosphorus slag of iron dross removing to be sent to Vertical Mill 111, so allow phosphorus slag all carry out harmless treatment, The phosphorus slag avoiding residual pollutes environment.
Exhaust gas circulating device 14 includes exhaust blower 141 and chimney 142, and exhaust blower 141 connects bag-type dusting The air outlet 1211 of device 121, exhaust blower 141 connects chimney 142 and Vertical Mill 111 respectively by two pipelines Air inlet 1113.Sack cleaner 121 produces waste gas, reduces in waste gas dust concentration extremely simultaneously Below 30mg/m3, now the temperature of waste gas is 80 degree Celsius.Exhaust blower 141 is from sack cleaner 121 Air outlet 1211 extract its internal waste gas out, and by the waste gas of part from the discharge of chimney 142, residue The waste gas of part enters the air inlet 1114 of Vertical Mill 111, and the waste gas with 80 degree Celsius can be to Vertical Mill 111 Interior phosphorus slag is dried, and waste gas produced by such utilisation system, as the hot blast of drying phosphorus slag, reaches To the consumption of the saving energy, effect of waste gas recycling.
In sum, in one or more embodiment of the application, the phosphorus slag powder grinding system of the application passes through Vertical Mill carries out grinding to phosphorus slag, and the land area shared by Vertical Mill is few, increases land utilization efficiency.Another logical Cross tail gas produced by phosphorus production line makes air stove produce hot blast as the fuel of air stove, or uses Waste gas produced by system dries the phosphorus slag in Vertical Mill, not only reaches waste gas recycling, reduces phosphorus slag simultaneously Water content, increase the grindability of phosphorus slag and abrasion, the power consumption of whole system can control 42 degree/ Ton, improves production efficiency and yield.The phosphorus slag powder grinding system of the application further includes feed back conveying arrangement, allows The phosphorus slag of entrance system is completely by harmless treatment, it is to avoid the phosphorus slag of residual pollutes environment.
Upper described only presently filed embodiment, is not limited to the application.For this area For technical staff, the application can have various modifications and variations.All in spirit herein and principle Interior made any modification, equivalent substitution and improvement etc., all should be included in claims hereof scope Within.

Claims (8)

1. a phosphorus slag powder grinding system, it is characterised in that include phosphorus slag pay-off, phosphorus slag powder mill apparatus and discharging Device, described phosphorus slag pay-off connects described phosphorus slag powder mill apparatus, and described drawing mechanism connects described phosphorus slag Grinding device;Wherein said phosphorus slag powder mill apparatus includes Vertical Mill and air stove, and described Vertical Mill connects described phosphorus slag Pay-off, described air stove connects the air inlet of described Vertical Mill, and the fuel of described air stove is phosphorus production The tail gas of line.
Phosphorus slag powder grinding system the most according to claim 1, it is characterised in that described phosphorus slag pay-off includes Feeding machine, belt conveyer scale, feeding belt conveyer, permanent magnetism self-unloading type deferrization device, metal detector, pneumatic three Logical valve and air valve, described belt conveyer scale is arranged at the lower section of described feeding machine, and described feeding belt conveyer sets Being placed in the lower section of described belt conveyer scale, described feeding machine and belt conveyer scale are positioned at the charging of described feeding belt conveyer End, upper in described feeding belt conveyer of described permanent magnetism self-unloading type deferrization device and metal detector sequential Side, and it is positioned at the side of described belt conveyer scale, described material belt is sent in the first valve port connection of described Pneumatic three-way valve The discharge end of conveyer, the second valve port of described Pneumatic three-way valve connects the import of described air valve, described lock The outlet of air-valve connects described phosphorus slag powder mill apparatus.
Phosphorus slag powder grinding system the most according to claim 2, it is characterised in that the charging aperture of described Vertical Mill connects The outlet of described air valve.
Phosphorus slag powder grinding system the most according to claim 3, it is characterised in that described drawing mechanism includes pocket type Cleaner unit, air flume, discharging elevator and storage vault, the import of described sack cleaner connects described vertical The finished product discharging opening of mill, described air flume is positioned at the lower section of the outlet of described sack cleaner, and connects institute Stating the feed end of discharging elevator, the discharge end of described discharging elevator connects described storage vault.
Phosphorus slag powder grinding system the most according to claim 3, it is characterised in that also include feed back conveying arrangement, Described feed back conveying arrangement connects between described phosphorus slag pay-off and phosphorus slag powder mill apparatus.
Phosphorus slag powder grinding system the most according to claim 5, it is characterised in that described feed back conveying arrangement includes Lock wind weight unloading valve, feed back belt conveyor, feed back elevator and deironing device of pipeline, described lock wind weight Unloading valve is arranged at the slag notch of described Vertical Mill, and described feed back belt conveyor is positioned at described lock wind weight and unloads ash The lower section of valve, its one end connects the feed end of described feed back elevator, the discharging of described feed back belt conveyor End is positioned at the top of the discharge end of described feeding belt conveyer, and the import of described deironing device of pipeline is arranged at institute Stating the discharge end of feed back elevator, its outlet is towards the discharge end of described feeding belt conveyer.
Phosphorus slag powder grinding system the most according to claim 4, it is characterised in that also include exhaust gas circulating device, Described exhaust gas circulating device connects between described phosphorus slag powder mill apparatus and drawing mechanism.
Phosphorus slag powder grinding system the most according to claim 7, it is characterised in that described exhaust gas circulating device includes Exhaust blower and chimney, described exhaust blower connects the air outlet of described sack cleaner, and by two pipelines difference Connect described chimney and the air inlet of described Vertical Mill.
CN201620422544.1U 2016-05-10 2016-05-10 Phosphorus slag grinding system Active CN205628241U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105797833A (en) * 2016-05-10 2016-07-27 江苏新业重工股份有限公司 Phosphorous slag pulverizing system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105797833A (en) * 2016-05-10 2016-07-27 江苏新业重工股份有限公司 Phosphorous slag pulverizing system
CN105797833B (en) * 2016-05-10 2018-09-11 江苏新业重工股份有限公司 A kind of phosphorus slag grinding system

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