CN206276482U - A kind of raw material vertical-grinding system - Google Patents

A kind of raw material vertical-grinding system Download PDF

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Publication number
CN206276482U
CN206276482U CN201621121975.0U CN201621121975U CN206276482U CN 206276482 U CN206276482 U CN 206276482U CN 201621121975 U CN201621121975 U CN 201621121975U CN 206276482 U CN206276482 U CN 206276482U
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CN
China
Prior art keywords
carbide slag
raw material
grinding system
drying
bank
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Withdrawn - After Issue
Application number
CN201621121975.0U
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Chinese (zh)
Inventor
单兴顺
李敏
马美荣
陈金龙
韩照日格图
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Inner Mongolia Erdos Power Metallurgy Group Ltd By Share Ltd
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Inner Mongolia Erdos Power Metallurgy Group Ltd By Share Ltd
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Priority to CN201621121975.0U priority Critical patent/CN206276482U/en
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Abstract

The utility model is related to field of cement production, more particularly to a kind of raw material vertical-grinding system, including drying grinding system, raw meal proportioning induction system and the raw material batching system including dispensing storehouse;The drying grinding system includes milling equipment, warm-air supply system and material collection equipment, it is characterized in that, the dispensing storehouse includes wet carbide slag bank and dry carbide slag storehouse bank, and wet carbide slag is delivered to the drying grinding system by the wet carbide slag bank by the raw meal proportioning induction system;The system of the carbide slag drying also includes air-transport system, for the dry carbide slag that the material collection equipment is collected to be delivered into the dry carbide slag bank.The utility model increases air-transport system in original raw material vertical-grinding system, can realize the process of independent carbide slag drying, it is not necessary to set up independent drying plant, can reduce investment, reduces operating cost.

Description

A kind of raw material vertical-grinding system
Technical field
The utility model is related to Cement production technology field, more particularly to a kind of raw material vertical-grinding system.
Background technology
Carbide slag is the industrial residue that coal chemical industry acetylene method production Corvic or acetylene gas factory produce.By The wasting of resources, environmental pollution are not only caused in outer discharging carbide slag slag, and increased business economic burden, life is often used it at present Produce cement and for power plant as fume desulfurizing agent.It is comprehensive in resource because the carbide slag produced is still containing 4~10% moisture There are the following problems during conjunction utilization:
During for manufacture of cement, one is that the carbide slag blanking easily caused in dispensing storehouse is not smooth, and putty phenomenon often occurs, Causing production cannot continuously run;Two is, because the amplitude of variation of water content in carbide slag is larger, to cause raw meal proportioning inaccurate, Cause cement clinker quality unstable, and then have impact on the product quality of finished cement, caused in market competition to enterprise Greatly negative effect;Three is, because existing production line can not remove the ferrosilicon in carbide slag, to cause raw mill serious wear, greatly Cycle time is repaiied, cement producing line operating rate is had a strong impact on.During for means of flue gas desulfurization of power plant agent, one is blocked in transportation The discharging opening of transportation tank car;Two is the carbide slag storage tank for blocking power plant, to power plant carbide slag using increased difficulty, reduction Usage amount of the power plant to carbide slag.
In view of the various problems of the above, it is necessary to which carbide slag is dried, comprehensively utilized after carbide slag drying Task is extremely urgent.
The method that the drying of new type nonaqueous cement production line carbide slag is used has two kinds:One kind be during raw grinding with Raw material is dried simultaneously, that is, dry and grinding system;Another kind be using single drying plant, material by after drying again Enter Vertical Mill.
Using drying and grinding system can save equipment and investment with simplification of flowsheet, have become new dry process water Bricklayer's's skill first-selection flow;Vertical mill is the most strong drying of current drying capacity and milling equipment, can be to mill feed material integrated water The material that can reach 15% is divided to be dried and grinding.The wet carbide slag of the technological process and cement slurry enter into Vertical Mill together Row drying, to realize the production of cement, but can not provide dry carbide slag to power plant, at present, to the electricity that power plant provides Rock ballast, frequently with single drying plant, the drying plant commonly used at present has following two kinds of patterns:Drying hammer mill, two It is rotary dryer.Drying hammer mill is that material enters drying hammer mill with heat smoke, by disintegrating machine at a high speed The tup of rotation kicks up material, is allowed to be fully contacted with heat smoke, carries out heat exchange.Dry aqueous below l% in life Feed powder is brought deduster into and is collected by flue gas, finally enters calcining in kiln.Rotary dryer is will to dry the calcium carbide after press filtration Slag enters rotary dryer drying to aqueous about 20% half siccative, and Vertical Mill ovendry power again is then entered with other feed proportionings Mill.Dryer heat smoke is provided by the hot-blast stove for setting up.But, the implementation of the technological process is outer complete in Grinding Process in Cement Plants system Completely newly build independent drying system, using the independent carbide slag drying of this drying system not only invest larger, operating cost also compared with It is high.
Utility model content
(1) technical problem to be solved
The utility model provides a kind of raw material vertical-grinding system, is simply changed on the basis of original raw material vertical-grinding system Make, the drying of carbide slag can be implemented separately, for solving during traditional individually carbide slag drying, it is necessary to build independent drying system System, not only investment is big, operating cost is high, and also needs to take the problem in large area place.
(2) technical scheme
A kind of in order to solve the above-mentioned technical problem, raw material vertical-grinding system of the utility model offer, including drying grinding system, Raw meal proportioning induction system and the raw material batching system including dispensing storehouse;The drying grinding system includes milling equipment, heat Wind feed system and material collection equipment, it is characterised in that the dispensing storehouse includes that wet carbide slag bank and dry carbide slag storehouse are stored up Wet carbide slag is delivered to the drying grinding system by storehouse, the wet carbide slag bank by the raw meal proportioning induction system; The raw material vertical-grinding system also includes air-transport system, for the dry carbide slag that the material collection equipment is collected to be delivered to The dry carbide slag bank.
Wherein, the air-transport system includes Pneumatic conveying pump and the pneumatic carrier being connected with the Pneumatic conveying pump Road, the Pneumatic conveying pump connects the material collection equipment, and the Pneumatic conveying pump connects the dry carbide slag bank.
Wherein, the drying grinding system includes conveyer, and the material that the conveyer collects material collection equipment is defeated Deliver to raw material homogenizing silo.
Wherein, the conveyer includes chain-linked conveyer and conveying worm.
Wherein, the material collection equipment includes rotoclone collector and bagroom, and the bagroom connects institute Chain-linked conveyer is stated, the rotoclone collector connects the conveying worm.
Wherein, the chain-linked conveyer and the conveying worm are respectively connected with the Pneumatic conveying pump.
Wherein, the Pneumatic conveying pump is envelope material pump.
Wherein, the dry carbide slag bank connection deduster, the gas discharge for dry carbide slag will to be conveyed.
Wherein, the raw meal proportioning induction system includes belt feeder, and wet carbide slag is delivered to the baking by the belt feeder Dry powder grinding system.
(3) beneficial effect
1st, the raw material vertical-grinding system that the utility model is provided, is changed accordingly on the basis of original raw material vertical-grinding system Make, a bank in former raw meal proportioning is changed to dry carbide slag bank, set up air-transport system, you can realize vertical in raw material When grinding system does not carry out the drying grinding of raw material, the independent drying of carbide slag is carried out, the program is not only simple to operation, Er Qieneng Enough reduce the cost of independent carbide slag drying.Additionally, by the improvement raw meal proportioning can be carried out using dry carbide slag, solve A series of problems that wet carbide mud residue ingredient brings, while dry carbide slag can also individually be sold to power plant for power plant desulfurization, increases Plus the economic benefit of enterprise.
2nd, the raw material vertical-grinding system that the utility model is provided, uses by Pneumatic conveying pump and Geldart-D particle after carbide slag drying Dry carbide slag is recycled to dry carbide slag storehouse by pipeline, and conveyance conduit flexible configuration makes plant production processes flow more reasonable, conveying System is completely enclosed, and dust from flying is few, is capable of achieving environmental requirement, and motion parts are few, and maintenance is convenient, it is easy to accomplish automatic Change, can also will be sent to one by the material of several point concentrations or be sent to scattered several points by one, and realize remote-controlled operation.
Brief description of the drawings
The structural representation of the raw material vertical-grinding system that Fig. 1 is provided for the utility model;
In figure, 1:Drying grinding system;2:Raw material batching system;3:Belt feeder;12:Rotoclone collector;13:Bag collection Device;14:Chain-linked conveyer;15:Conveying worm;20:Dispensing storehouse;21:Dry carbide slag bank;22:Wet carbide slag bank;23: Deduster;41:Pneumatic conveying pump;42:Pneumatic conveying pipeline.
Specific embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings State.Better embodiment of the present utility model is given in accompanying drawing.These are only preferred embodiment of the present utility model, and unprovoked This limitation the scope of the claims of the present utility model, equivalent structure that every utilization the utility model specification and accompanying drawing content are made or Equivalent flow conversion, or other related technical fields are directly or indirectly used in, similarly it is included in of the present utility model special In sharp protection domain.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with technology of the present utility model is belonged to The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " bag Include the arbitrary and all of combination of one or more related Listed Items.
The utility model provides a kind of raw material vertical-grinding system, is simply changed on the basis of original raw material vertical-grinding system Make, the drying of carbide slag can be implemented separately, for solving during traditional individually carbide slag drying, it is necessary to build independent drying system System, not only investment is big, operating cost is high, and also needs to take the problem in large area place.
As shown in figure 1, a kind of raw material vertical-grinding system is provided in the utility model embodiment, including drying grinding system 1, life Material dispensing induction system and the raw material batching system 2 including dispensing storehouse 20;Drying grinding system 1 includes milling equipment 11, heat Wind feed system and material collection equipment, it is characterised in that dispensing storehouse 20 includes that dry carbide slag bank 21 and wet carbide slag storehouse are stored up Wet carbide slag is delivered to drying grinding system 1 by storehouse 22, wet carbide slag bank 22 by raw meal proportioning induction system;Raw material vertical-grinding System also includes air-transport system, for the dry carbide slag that material collection equipment is collected to be delivered into dry carbide slag bank.This The raw material vertical-grinding system that utility model is provided, will set dry on the basis of original raw material vertical-grinding system in former raw meal proportioning storehouse 20 Carbide slag bank, drying grinding system 1 is delivered to using former raw meal proportioning induction system by wet carbide slag, carries out drying grinding, Collected by material collection equipment, the dry carbide slag after collection is delivered to the dry calcium carbide in dispensing storehouse 20 by air-transport system In slag bank 21.That is the utility model slightly modified may be implemented on the basis of original raw material vertical-grinding system does not carry out cement When drying raw meal and grinding, the independent drying of carbide slag can be completed, the improvement project is not only simple to operation, Er Qie great The cost of independent carbide slag drying is reduced greatly.
In the present embodiment, air-transport system includes Pneumatic conveying pump 41 and the pneumatic carrier being connected with Pneumatic conveying pump Road 42, the connection material collecting device of Pneumatic conveying pump 41, the connection dry carbide slag of Pneumatic conveying pump 41 bank 21.The pneumatic carrier The flexible configuration of road 42, makes plant production processes flow more reasonable, and air-transport system is completely enclosed, and dust from flying is few, is capable of achieving Environmental requirement, motion parts are few, and maintenance is convenient, it is easy to accomplish automation, can also be sent to the material concentrated by several points Scattered several points are sent at one or by one, and realize remote-controlled operation.
In the present embodiment, material collection equipment includes rotoclone collector 12 and bagroom 13, and drying grinding system 1 is wrapped Conveyer is included, conveyer is respectively provided with the lower end of rotoclone collector 12 and bagroom 13, by conveyer by cyclone dust collection The material that device 12 and bagroom 13 are collected is delivered to raw material homogenizing silo respectively.Specifically, conveyer includes chain-linked conveyer 14 and conveying worm 15, the connection bagroom 13 of chain-linked conveyer 14, the connection rotoclone collector 12 of conveying worm 15.Through The material for meeting fineness requirement crossed after milling equipment 11 collected through rotoclone collector 12 after by conveying worm 15 be transported into Skewed slot is pushed up hence into raw material homogenizing silo in storehouse bucket elevator and storehouse;The waste gas for going out mill enters bagroom 13, warp through circulating fan Gas after the treatment of cloth bag dust-precipitator 13 enters air by cellar for storing things tail exhaust blower and smokestack, and is collected by bagroom 13 Powder raw material homogenizing silo is entered by chain-linked conveyer 14.
In the present embodiment, during independent carbide slag drying, for the thing for collecting bagroom 12 and cyclone dust collectors 13 Material is delivered in the dispensing storehouse 20 in raw material batching system, and gas is all connected with the lower end of chain-linked conveyer 14 and conveying worm 15 On power delivery pump 41, chain-linked conveyer 14 and conveying worm 15 convey dry carbide slag in the presence of Pneumatic conveying pump 41, By in the dry carbide slag bank 21 that Pneumatic conveying pipeline 42 is delivered in dispensing storehouse 20, in case the raw material of manufacture of cement use or Power plant desulfurization agent is used.
In the present embodiment, the Pneumatic conveying pump 41 is envelope material pump, and material envelope pump is a kind of new powder pneumatic conveying equipment, Belong to low pressure diluted phase transport classification, using the ejector action of high velocity air come conveying powder material.Envelope material pump has equipment investment The low advantage of small, supply gas pressure, such that it is able to reduces cost, saves air consumption.Additionally, also being conveyed with low-pressure, equipment is close Envelope property is preferable, the characteristics of reliable.
In the present embodiment, due to dry carbide slag is delivered to during dry carbide slag bank 21 by air-transport system, Enter the also corresponding gas of dry carbide slag bank 21 with dry carbide slag, for ease of the gas of the conveying dry carbide slag is arranged Go out, deduster 23 is connected in the outer end of dry carbide slag bank, discharged gas by deduster 23, so as to only store up dry carbide slag In there is dry carbide slag bank 21.
In the present embodiment, in order to the wet carbide slag in dispensing storehouse is delivered in drying grinding system 1, raw meal proportioning conveying Belt feeder 3 is provided with system, wet carbide slag is transported in drying grinding system 1 to enter by the effect of the belt feeder 3 Row drying.
The technological process of the utility model raw material vertical-grinding system is as described below during the manufacture cement of cement plant:From raw meal proportioning system The raw material drying grinding system supplied in system carries out drying grinding, and specific embodiment is:Raw material enter milling equipment 11 On the track of mill, when mill is rotated, raw material are rolled crushing by the motion between roller and disk, pulverized certain fineness Material outwards overflows through the rotation centrifugal force of mill.The air-flow for having a vane, rising at mill outer acts on thing by vane Material, the air-flow of rising can prevent material from falling by vane, can also allow that relatively more great useless matter in material is fallen under vane Face, body is discharged by scraper plate.The material for meeting fineness requirement is delivered up by air-flow, and material is reached on the grinding machine of milling equipment Behind portion, separated by separator, the material of a certain fineness is sent out into grinding machine, the larger material of granularity is thrown to mill chamber by separator On inwall, then mill is fallen into, again grinding.Meet fineness requirement material collected through rotoclone collector 12 after by conveying worm 15 are transported to storage bucket elevator and storehouse top skewed slot hence into raw material homogenizing silo.The waste gas for going out mill is received through circulating fan into cloth bag Dirt device 13, air is entered by the gas after the treatment of bagroom 13 by cellar for storing things tail exhaust blower and smokestack, and is received by cloth bag The powder that dirt device 13 is collected enters raw material homogenizing silo by chain-linked conveyer 14.
Wherein, the raw material vertical-grinding system that the utility model is provided, when the drying raw meal and grinding of cement is not carried out, can be with The drying of carbide slag is individually carried out, details are provided below:
Wet carbide slag in dispensing storehouse 20 is delivered to by drying grinding by the raw material conveyor system in raw material vertical-grinding system System 1, by drying grinding, dry carbide slag powder after drying is through rotoclone collector 13 and bagroom 12 for wet carbide slag Collect, it is hereafter, the dry carbide slag after collection is defeated by the Pneumatic conveying pump 41 and Pneumatic conveying pipeline 42 of air-transport system In delivering to the dry carbide slag bank 21 in dispensing storehouse.The dry carbide slag that this is stored in dry carbide slag bank 21 both can directly be made It is the raw material of cement manufacture, it is also possible to directly feed power plant, be that power plant uses as desulfurizing agent.It is production when grinding raw material are needed When cement prepares, the Pneumatic conveying pump 41 closed under conveyer, after the raw meal powder after drying is full of the feed pipe under conveyer, Raw meal powder continues to move ahead and is then restored in original raw material conveyor system, carries out normal drying raw meal and grinding flow operation.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model Protection domain within.

Claims (9)

1. a kind of raw material vertical-grinding system, including drying grinding system, raw meal proportioning induction system and the raw material including dispensing storehouse Feed proportioning system;The drying grinding system includes milling equipment, warm-air supply system and material collection equipment, it is characterised in that The dispensing storehouse includes wet carbide slag bank and dry carbide slag storehouse bank, and the wet carbide slag bank is defeated by the raw meal proportioning Send system that wet carbide slag is delivered into the drying grinding system;The raw material vertical-grinding system also includes air-transport system, uses In the dry carbide slag that the material collection equipment is collected is delivered into the dry carbide slag bank.
2. raw material vertical-grinding system according to claim 1, it is characterised in that the air-transport system includes Geldart-D particle Pump and the Pneumatic conveying pipeline being connected with the Pneumatic conveying pump, the Pneumatic conveying pump connect the material collection equipment, institute State Pneumatic conveying pump and connect the dry carbide slag bank.
3. raw material vertical-grinding system according to claim 2, it is characterised in that the drying grinding system includes conveyer, The material that material collection equipment is collected is delivered to raw material homogenizing silo by the conveyer.
4. raw material vertical-grinding system according to claim 3, it is characterised in that the conveyer includes chain-linked conveyer and spiral shell Rotation conveyer.
5. raw material vertical-grinding system according to claim 4, it is characterised in that the material collection equipment includes cyclone dust collection Device and bagroom, the bagroom connect the chain-linked conveyer, and the rotoclone collector connects the spiral transferring Send machine.
6. raw material vertical-grinding system according to claim 4, it is characterised in that the chain-linked conveyer and the helical feed Machine is respectively connected with Pneumatic conveying pump.
7. the raw material vertical-grinding system according to any one of claim 2-6, it is characterised in that the Pneumatic conveying pump is envelope Material pump.
8. the raw material vertical-grinding system according to any one of claim 1-7, it is characterised in that the dry carbide slag bank connects Deduster is connect, the gas discharge for dry carbide slag will to be conveyed.
9. the raw material vertical-grinding system according to any one of claim 1-7, it is characterised in that the raw meal proportioning delivery system System includes belt feeder, and wet carbide slag is delivered to the drying grinding system by the belt feeder.
CN201621121975.0U 2016-10-13 2016-10-13 A kind of raw material vertical-grinding system Withdrawn - After Issue CN206276482U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106269178A (en) * 2016-10-13 2017-01-04 内蒙古鄂尔多斯电力冶金集团股份有限公司 A kind of raw material vertical-grinding system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106269178A (en) * 2016-10-13 2017-01-04 内蒙古鄂尔多斯电力冶金集团股份有限公司 A kind of raw material vertical-grinding system
CN106269178B (en) * 2016-10-13 2018-09-14 内蒙古鄂尔多斯电力冶金集团股份有限公司 A kind of raw material vertical-grinding system

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Granted publication date: 20170627

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