CN207091310U - A kind of system for preparing cement irony correction agent to aoxidize iron cement mud as raw material - Google Patents
A kind of system for preparing cement irony correction agent to aoxidize iron cement mud as raw material Download PDFInfo
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- CN207091310U CN207091310U CN201721055768.4U CN201721055768U CN207091310U CN 207091310 U CN207091310 U CN 207091310U CN 201721055768 U CN201721055768 U CN 201721055768U CN 207091310 U CN207091310 U CN 207091310U
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Abstract
The application belongs to the utility model and belongs to field of Environment Protection, more particularly to a kind of system for preparing cement irony correction agent to aoxidize iron cement mud as raw material.System provided by the utility model includes：Iron cement starches accumulator tank；The iron cement being connected with the discharging opening of iron girl slurry accumulator tank starches flocculation tank, and flocculant charge door is provided with iron cement slurry flocculation tank；The filter press being connected with the discharging opening of iron cement slurry flocculation tank；The disintegrating machine being connected with the cake outlet of filter press；The drying machine being connected with the discharging opening of disintegrating machine；The grinder being connected with the discharging opening of drying machine.System provided by the utility model can will starch accessory substance oxidation iron cement slurrying caused by paper plant's industrial wastewater deep oxidation processing into the additive of cement plant clinker raw material, for balancing and correcting iron oxide content in cement, to optimum range, the disposal of resources for realizing Industrial Solid Waste utilizes.
Description
Technical field
The utility model belongs to field of Environment Protection, more particularly to one kind prepares cement irony to aoxidize iron cement mud as raw material
The system of correction agent.
Background technology
As the quickening and waste water control dynamics of China's Urbanization Progress process are constantly strengthened, China turns into sewage disposal
Big country.Accessory substance of the sludge as sewage disposal, its yield are consequently increased.Because sludge treatment Facilities Construction speed is slower
The reason such as fall behind with disposal means, cause sludge caused by major part sewage treatment plant of China do not obtain it is effective it is innoxious,
The processing disposal of minimizing, stabilisation and recycling, the processing disposal that a large amount of sludge are not standardized, i.e., to ecological environment
Constitute a serious threat, while also result in the significant wastage of resource.
At present, the head that the disposal of resources of sludge restricts sewage disposal cause and developed in a healthy way using having become how is realized
Want problem.Such as：In paper industry, paper pulp wastewater can produce substantial amounts of oxidation after deep oxidation processing separates with flocculation-air floating
Iron cement mud, disposal of resources how is carried out to it, is utilized, is current paper industry technical barrier urgently to be resolved hurrily.
Utility model content
In view of this, the purpose of this utility model is that provide one kind prepares cement iron to aoxidize iron cement mud as raw material
The system of matter correction agent, oxidation iron cement mud can be made by cement irony correction agent using the decorum provided by the utility model.
The utility model provides a kind of system for preparing cement irony correction agent to aoxidize iron cement mud as raw material, bag
Include：
Iron cement starches accumulator tank；
The iron cement being connected with the discharging opening of iron cement slurry accumulator tank starches flocculation tank, and being provided with flocculant on iron cement slurry flocculation tank adds
Material mouth；
The filter press being connected with the discharging opening of iron cement slurry flocculation tank；
The disintegrating machine being connected with the cake outlet of filter press；
The drying machine being connected with the discharging opening of disintegrating machine；
The grinder being connected with the discharging opening of drying machine.
Preferably, the system also includes flocculant tank, the flocculant of the discharging opening and iron cement slurry flocculation tank of flocculant tank
Charge door is connected.
Preferably, the system also includes wet hopper dredger and dry hopper dredger；
Wet hopper dredger is arranged between filter press and disintegrating machine, and the charging aperture of wet hopper dredger is connected with the cake outlet of filter press,
The discharging opening of wet hopper dredger is connected with the charging aperture of disintegrating machine；
Dry hopper dredger is arranged between drying machine and grinder, and the charging aperture of dry hopper dredger is connected with the discharging opening of drying machine, is done
The discharging opening of hopper dredger is connected with the charging aperture of grinder.
Preferably, the drying machine is convection heat transfer' heat-transfer by convection drying machine, is provided with air inlet and gas outlet；
The system also includes white mud lime kiln high-temperature tail gas conveyance conduit, white mud lime kiln high-temperature tail gas conveyance conduit with
The air inlet of drying machine is connected.
Preferably, the system also includes dust arrester, and the air inlet of dust arrester is connected with the gas outlet of drying machine.
Preferably, the dust arrester includes cyclone dust collectors and sack cleaner, and the air inlet of cyclone dust collectors is with doing
The gas outlet of dry machine is connected, and the gas outlet of cyclone dust collectors is connected with the air inlet of sack cleaner.
Preferably, the system also includes odor removal, and the air inlet of odor removal is connected with the gas outlet of dust arrester.
Preferably, the system also includes cooler, and cooler is arranged between dust arrester and odor removal, cooler
Air inlet be connected with the gas outlet of dust arrester, the gas outlet of cooler is connected with the air inlet of odor removal.
Preferably, the system also includes demister, and demister is arranged between cooler and odor removal, demister
Air inlet is connected with the gas outlet of cooler, and the gas outlet of demister is connected with the air inlet of odor removal.
Preferably, the odor removal is ultraviolet light Photolytic deodorization device.
Compared with prior art, the utility model provides one kind and prepares cement irony as raw material to aoxidize iron cement mud
The system of correction agent, system provided by the utility model include：Iron cement starches accumulator tank；It is connected with the discharging opening of iron cement slurry accumulator tank
Iron cement slurry flocculation tank, iron cement slurry flocculation tank on be provided with flocculant charge door；It is connected with the discharging opening of iron cement slurry flocculation tank
Filter press；The disintegrating machine being connected with the cake outlet of filter press；The drying machine being connected with the discharging opening of disintegrating machine；With drying machine
The connected grinder of discharging opening.In the utility model, the oxygen from the waste water advanced oxidation processes of slurry paper and flocculation-air floating separation
Change iron cement mud after being flocculated during iron cement starches flocculation tank, deliver to filter press and carry out dewater treatment, the iron cement mud after dehydration
Cake is delivered to disintegrating machine to mud cake precrushing, and the pug after crushing is delivered to drying machine and is dried, and dried pug is through grinding
Grinding machine, which is ground to, reaches cement slurry granularity requirements, obtains cement irony correction agent.System provided by the utility model can incite somebody to action
Accessory substance caused by starching paper plant's industrial wastewater deep oxidation processing aoxidizes addition of the iron cement slurrying into cement plant clinker raw material
Agent, for balancing and correcting iron oxide content in cement, to optimum range, the disposal of resources for realizing Industrial Solid Waste utilizes.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing of offer.
Fig. 1 is the system flow chart that the utility model embodiment provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The utility model provides a kind of system for preparing cement irony correction agent to aoxidize iron cement as raw material, including：
Iron cement starches accumulator tank；
The iron cement being connected with the discharging opening of iron cement slurry accumulator tank starches flocculation tank, and being provided with flocculant on iron cement slurry flocculation tank adds
Material mouth；
The filter press being connected with the discharging opening of iron cement slurry flocculation tank；
The disintegrating machine being connected with the cake outlet of filter press；
The drying machine being connected with the discharging opening of disintegrating machine；
The grinder being connected with the discharging opening of drying machine.
Referring to Fig. 1, Fig. 1 is system flow chart provided by the utility model, and in Fig. 1,1 is that iron cement starches accumulator tank, and 2 be iron cement
Flocculation tank is starched, 2-1 is flocculant tank, and 3 be filter press, and 4 be wet hopper dredger, and 5 be disintegrating machine, and 6 be drying machine, and 7 be dry hopper dredger, and 8 are
Grinder, 9 be white mud lime kiln high-temperature tail gas conveyance conduit, and 10 be dust arrester, and 11 be cooler, and 12 be demister, and 13 are
Odor removal.
System provided by the utility model include iron cement slurry accumulator tank 1, iron cement slurry flocculation tank 2, filter press 3, disintegrating machine 5,
Drying machine 6 and grinder 8.Wherein, iron cement slurry accumulator tank 1 is used for secondary caused by the industrial wastewater deep oxidation processing of storage slurry paper plant
Product aoxidizes iron cement mud, is provided with charging aperture and discharging opening.
In the utility model, iron cement slurry flocculation tank 2 is used to carry out flocculation curing to oxidation iron cement mud, is provided with
Charging aperture, discharging opening and flocculant charge door, the charging aperture of iron cement slurry flocculation tank 2 are connected with the discharging opening of iron cement slurry accumulator tank 1.
In one embodiment provided by the utility model, the connection of the iron cement slurry charging aperture of flocculation tank 2 and the iron cement slurry discharging opening of accumulator tank 1
Slush pump is provided with pipeline, and the slush pump for iron cement being starched in accumulator tank 1 is sent into iron cement slurry flocculation tank 2.It is new in this practicality
In one embodiment that type provides, the system also includes flocculant tank 2-1, for storing flocculant, is provided with charging
Mouth and discharging opening, flocculant tank 2-1 discharging opening are connected with the flocculant charge door of iron cement slurry flocculation tank 2.
In the utility model, filter press 3 be used for flocculation curing mud carry out press filtration, be provided with charging aperture,
Filtrate (liquid and cake outlet, the charging aperture of filter press 3 are connected with the discharging opening of iron cement slurry flocculation tank 2.Carried in the utility model
In one embodiment of confession, van-type high-pressure polypropylene diaphragm filter press specifically may be selected in filter press 3.Provided by the utility model
In one embodiment, the charging aperture of filter press 3 is used for being provided with screw pump on the connecting line of the iron cement slurry discharging opening of flocculation tank 2
The slush pump of flocculation curing in iron cement slurry flocculation tank 2 is sent into filter press 3.
In the utility model, the mud cake that disintegrating machine 5 is used to obtain press filtration carries out precrushing, is provided with charging aperture
And discharging opening, the charging aperture of disintegrating machine 5 are connected with the cake outlet of filter press 3.In one embodiment provided by the utility model
In, the system also includes wet hopper dredger 4, for being stored to the mud cake after press filtration, is provided with charging aperture and discharging opening,
Wet hopper dredger 4 is arranged between filter press 3 and disintegrating machine 5, and the charging aperture of wet hopper dredger 4 is connected with the cake outlet of filter press 3, wet mud
The discharging opening in storehouse 4 is connected with the charging aperture of disintegrating machine 5.In one embodiment provided by the utility model, wet hopper dredger 4 is fed
Mouth is connected between the cake outlet of filter press 3 by belt feeder.Or else you is allowed to be tired of in the one embodiment provided, disintegrating machine 5
It is arranged on the bottom of wet hopper dredger 4.
In the utility model, drying machine 6 is used to broken rear mud cake be dried, and is provided with charging aperture and discharging
Mouthful, the charging aperture of drying machine 6 is connected with the discharging opening of disintegrating machine 5.In one embodiment provided by the utility model, drying machine
It is connected between 6 charging apertures and the discharging opening of disintegrating machine 5 by spiral feeder apparatus.In one embodiment provided by the utility model
In, drying machine 6 is convection heat transfer' heat-transfer by convection drying machine, preferably kiln formula convection heat transfer' heat-transfer by convection drying machine, is provided with air inlet and gas outlet.
In one embodiment provided by the utility model, convection heat transfer' heat-transfer by convection drying machine is used as using pulp mill's white mud lime kiln high-temperature tail gas
Thermal source, in this embodiment, white mud lime kiln high-temperature tail gas conveyance conduit 9 are connected with the air inlet of drying machine 5.
In the utility model, grinder 8 is used to be ground dried pug, is provided with charging aperture and goes out
Material mouth, the charging aperture of grinder 8 are connected with the discharging opening of drying machine 6.It is described in one embodiment provided by the utility model
System also includes dry hopper dredger 7, for being stored to dried pug, is provided with charging aperture and discharging opening, dry hopper dredger 7
It is arranged between drying machine 6 and grinder 8, the charging aperture of dry hopper dredger 7 is connected with the discharging opening of drying machine 6, the discharging of dry hopper dredger 7
Mouth is connected with the charging aperture of grinder 8.In one embodiment provided by the utility model, the dry charging aperture of hopper dredger 7 and drying machine 6
It is connected between discharging opening by the spiral that discharges.
It is described in the embodiment provided by the utility model using white mud lime kiln high-temperature tail gas as the thermal source of drying machine 5
System also includes dust arrester 10, and dust arrester 10 is used to carry out dedusting to the tail gas after exchanging heat in drying machine 5, set thereon
There are air inlet and gas outlet, the air inlet of dust arrester 10 is connected with the gas outlet of drying machine 6.Provided by the utility model
In one embodiment, the air inlet of dust arrester 10 is provided with air-introduced machine with the pipeline that is connected of the gas outlet of drying machine 6, for that will do
Gas in dry device 6 is drained into dust arrester 10.In one embodiment provided by the utility model, the dust arrester 10
Including cyclone dust collectors and sack cleaner, the air inlet of cyclone dust collectors is connected with the gas outlet of drying machine 6, cyclone dust collectors
Gas outlet be connected with the air inlet of sack cleaner.
In one embodiment provided by the utility model, the system also includes odor removal 13, after to dedusting
Tail gas carry out deodorization, be provided with air inlet and gas outlet, the air inlet of odor removal 13 and the outlet of dust arrester 10
Mouth is connected.In one embodiment provided by the utility model, odor removal 13 is ultraviolet light Photolytic deodorization device.In this reality
In one embodiment with new offer, the gas outlet of odor removal 13 is provided with air-introduced machine, for the tail gas after deodorization to be drawn
Outflow system.
In one embodiment provided by the utility model, the system also includes cooler 11, after to dedusting
Tail gas is cooled down, and is provided with air inlet and gas outlet, and cooler sets 10 between dust arrester and odor removal 13,
The air inlet of cooler 11 is connected with the gas outlet of dust arrester 10, the gas outlet 11 of cooler and the air inlet of odor removal 13
It is connected.In one embodiment provided by the utility model, the system also includes demister 12, for the fog after cooling
Demisting is carried out, is provided with air inlet and gas outlet, demister 12 is arranged between cooler 11 and odor removal 13, demisting
The air inlet of device 12 is connected with the gas outlet of cooler 11, and the gas outlet of demister 12 is connected with the air inlet of odor removal 13.
In the utility model, the oxidation iron cement mud from the waste water advanced oxidation processes of slurry paper and flocculation-air floating separation exists
After being flocculated in iron cement slurry flocculation tank, deliver to filter press and carry out dewater treatment, the iron cement mud cake after dehydration is delivered to broken
Machine is to mud cake precrushing, and the pug after crushing is delivered to drying machine and is dried, and the dried ground machine of pug, which is ground to, to be reached
To cement slurry granularity requirements, cement irony correction agent is obtained.
System provided by the utility model can be by accessory substance iron oxide caused by the industrial wastewater deep oxidation processing of slurry paper plant
Mud slurrying into cement plant clinker raw material additive, for balancing and correcting in cement iron oxide content to optimum range,
The disposal of resources for realizing Industrial Solid Waste utilizes.
For the sake of becoming apparent from, it is described in detail below by following examples.
Embodiment 1
Cement irony correction agent preparation system
The system that the present embodiment provides includes iron cement slurry accumulator tank, iron cement slurry flocculation tank, flocculant tank, filter press, wet mud
Storehouse, disintegrating machine, drying machine, dry hopper dredger, grinder, white mud lime kiln high-temperature tail gas conveyance conduit, cyclone dust collectors, bag-type dust
Device, cooler, demister and odor removal.
Wherein, charging aperture and discharging opening are provided with iron cement slurry accumulator tank.
In the present embodiment, charging aperture, discharging opening and flocculant charge door, iron cement slurry wadding are provided with iron cement slurry flocculation tank
The charging aperture of solidifying groove is connected with the discharging opening of iron cement slurry accumulator tank, iron cement slurry flocculation tank charging aperture and iron cement slurry accumulator tank discharging opening
Connecting line on be provided with slush pump.
In the present embodiment, charging aperture and discharging opening are provided with flocculant tank, discharging opening and the iron cement of flocculant tank are starched
The flocculant charge door of flocculation tank is connected.
In the present embodiment, filter press is provided with charging aperture, filtrate (liquid and cake outlet, the charging aperture and iron of filter press
The discharging opening of flocculation of sludge groove is connected, and feed opening of press filter on the connecting line of iron cement slurry flocculation tank discharging opening with being provided with screw rod
Pump, the specifically chosen van-type high-pressure polypropylene diaphragm filter press of filter.
In the present embodiment, charging aperture and discharging opening, the mud cake of wet hopper dredger charging aperture and filter press are provided with wet hopper dredger
Outlet is connected, and is connected between wet hopper dredger charging aperture and filter press cake outlet by belt feeder.
In the present embodiment, charging aperture and discharging opening are provided with disintegrating machine, the charging aperture of disintegrating machine goes out with wet hopper dredger
Material mouth is connected, and disintegrating machine is arranged on the bottom of wet hopper dredger.
In the present embodiment, drying machine is kiln formula convection heat transfer' heat-transfer by convection drying machine, is provided with charging aperture, discharging opening, air inlet
Mouth and gas outlet, dry and be connected between machine inlet and discharge hole of crusher by spiral feeder apparatus.
In the present embodiment, charging aperture and discharging opening, dry hopper dredger charging aperture and discharge hole of drying machine are provided with dry hopper dredger
Between be connected by the spiral that discharges.
In the present embodiment, charging aperture and discharging opening are provided with grinder, the charging aperture of grinder goes out with dry hopper dredger
Material mouth is connected.
In the present embodiment, white mud lime kiln high-temperature tail gas conveyance conduit is connected with the air inlet of drying machine.
In the present embodiment, air inlet and gas outlet are provided with cyclone dust collectors, the air inlet of cyclone dust collectors is with doing
The gas outlet of dry machine is connected, and cyclone dust collectors air inlet is provided with air-introduced machine with the pipeline that is connected of drying machine gas outlet.
In the present embodiment, air inlet and gas outlet, the air inlet of sack cleaner and rotation are provided with sack cleaner
The gas outlet of wind deduster is connected.
In the present embodiment, air inlet and gas outlet, the air inlet and bag-type dust of cooling device are provided with cooler
The gas outlet of device is connected.
In the present embodiment, air inlet and gas outlet, the air inlet of demister and going out for cooler are provided with demister
Gas port is connected.
In the present embodiment, air inlet and gas outlet, the air inlet and demister of storage device are provided with odor removal
Gas outlet be connected, odor removal is ultraviolet light Photolytic deodorization device, and the gas outlet of odor removal is provided with air-introduced machine.
Embodiment 2
The system provided using embodiment 1 carries out mud conditioning, and detailed process is：
Solid content 3.5% is aoxidized into iron cement mud, is pumped to iron cement slurry accumulator tank, is being transferred to the same of iron cement slurry flocculation tank
When, add prepare 0.1% efficient organic flocculant (PDDA), it is organic high according to 12 kilograms
The ratio addition of flocculant/over dry ton oxidation iron cement is imitated, continuously stirs afterwards 12 minutes and carries out flocculation curing, wait appearance largely to wad a quilt with cotton
Mud is pumped to the processing of filter press press dewatering, the oxidation iron cement original mud cake after being dehydrated, over dry thing by screw pump during body
The oxidation iron cement mud cake of content 37%~38%；Iron cement mud cake is delivered to wet iron cement storehouse through belt feeder；Pass through sludge bin bottom
Disintegrating machine, by above-mentioned iron cement cake crushing to below 20mm, drying machine is sent to by spiral feeder apparatus to mud cake precrushing
Middle drying；Drying machine thermal source comes from slurry paper plant and provides white mud lime kiln high-temperature tail gas for oneself, and heating uses heat convection mode, described
White mud lime kiln high-temperature flue gas have been subjected to dust removal process, temperature is at 180~200 DEG C；Dried iron cement particle passes through discharging
Dry hopper dredger storage is threaded into, the dried iron cement grain graininess is aqueous the dried oxidation iron cements of 10~20mm
Rate is below 30%.
The tail gas of drying machine is first into cyclone dust collectors and sack cleaner by the swabbing action of rear end air-introduced machine
Dust removal process, the dust of deduster discharge is together entered by discharge device in dried iron oxide pug storehouse, after dedusting
Tail gas enters ultraviolet light (UV) Photolytic deodorization device through subcooler and demister again and removes caused foul smell in drying process
Composition, tail gas up to standard is emitted into air by aiutage through air-introduced machine.
Dried oxidation iron cement is delivered to grinder, and cement slurry granularity requirements, cement irony school are reached after grinding
Prepared by positive agent completes.
Above-mentioned cement 5% is added in the cement slurry of cement producing line in proportion with irony correction agent, is sent into cement kiln
Clinker is sintered into, then adds proper amount of gypsum or granulated blast-furnace slag (appropriate admixture mixing material or anti-wear agent etc.) levigate system
Into hydraulic cementing materials, i.e. common portland cement.
Cement composition after the addition irony corrigent, can be fluctuated, the silicic acid that the utility model is produced in certain limit
Its basic performance of salt cement meets the technical requirements of GB175-2007 common portland cements.
In the present embodiment, the irony correction agent of preparation its essential element composition is Fe2O3Content is added to water >=50%
The density of common portland cement can be improved in mud, improves pore structure；Change and change by adding the irony corrigent and playing
Kind clinker mineral composition, that is, reduce tricalcium aluminate in clinker, increase calcium aluminoferrite content, so as to improve the sulfate resistance of cement
Ability.
Embodiment 3
The system provided using embodiment 1 carries out mud conditioning, and detailed process is：
Solid content 3.5% is aoxidized into iron cement mud, is pumped to iron cement slurry accumulator tank, is being transferred to the same of iron cement slurry flocculation tank
When, add prepare 0.1% efficient organic flocculant (PDDA), it is organic high according to 13 kilograms
The ratio addition of flocculant/over dry ton oxidation iron cement is imitated, continuously stirs afterwards 15 minutes and carries out flocculation curing, wait appearance largely to wad a quilt with cotton
Mud is pumped to the processing of filter press press dewatering, the oxidation iron cement original mud cake after being dehydrated, over dry thing by screw pump during body
Content 37%~38%, granularity are in 30~80mm；Iron cement mud cake is delivered to wet iron cement storehouse through belt feeder；Pass through sludge bin bottom
Disintegrating machine, by above-mentioned iron cement cake crushing to below 20mm, drying machine is sent to by spiral feeder apparatus to mud cake precrushing
Middle drying；Drying machine thermal source comes from slurry paper plant and provides white mud lime kiln high-temperature tail gas for oneself, and heating uses heat convection mode, described
White mud lime kiln high-temperature flue gas have been subjected to dust removal process, temperature is at 200~220 DEG C；Dried iron cement particle passes through discharging
Dry hopper dredger storage is threaded into, the dried iron cement grain graininess is aqueous the dried oxidation iron cements of 10~20mm
Rate is below 30%.
The tail gas of drying machine is first into cyclone dust collectors and sack cleaner by the swabbing action of rear end air-introduced machine
Dust removal process, the dust of deduster discharge is together entered by discharge device in dried iron oxide pug storehouse, after dedusting
Tail gas enters ultraviolet light (UV) Photolytic deodorization device through subcooler and demister again and removes caused foul smell in drying process
Composition, tail gas up to standard is emitted into air by aiutage through air-introduced machine.
Dried oxidation iron cement is delivered to grinder, and cement slurry granularity requirements, cement irony school are reached after grinding
Prepared by positive agent completes.
Above-mentioned cement 5.5% is added in the cement slurry of cement producing line in proportion with irony correction agent, is sent into cement
Kiln is sintered into clinker, then to add proper amount of gypsum or granulated blast-furnace slag (appropriate admixture mixing material or anti-wear agent etc.) levigate
Manufactured hydraulic cementing materials, i.e. common portland cement.
Cement composition after the addition irony corrigent, its basic performance of the portland cement that the utility model is produced expire
The technical requirements of sufficient GB175-2007 common portland cements.
In the present embodiment, the irony correction agent of preparation its essential element composition is Fe2O3Content is added to water >=50%
The density of common portland cement can be improved in mud, improves pore structure；Change and change by adding the irony corrigent and playing
Kind clinker mineral composition, that is, reduce tricalcium aluminate in clinker, increase calcium aluminoferrite content, so as to improve the sulfate resistance of cement
Ability.
Embodiment 4
The system provided using embodiment 1 carries out mud conditioning, and detailed process is：
Solid content 3.5% is aoxidized into iron cement mud, is pumped to iron cement slurry accumulator tank, is being transferred to the same of iron cement slurry flocculation tank
When, add prepare 0.1% efficient organic flocculant (PDDA), it is organic according to 13.5 kilograms
The ratio addition of efficient flocculant/over dry ton oxidation iron cement, continuously stirs 20 minutes and carries out flocculation curing, wait appearance a large amount of afterwards
Mud is pumped to the processing of filter press press dewatering, the oxidation iron cement original mud cake after being dehydrated, over dry by screw pump during flco
The oxidation iron cement mud cake of thing content 37%~38%, granularity are in 30~80mm；Iron cement mud cake is delivered to wet iron cement storehouse through belt feeder；
By the disintegrating machine of sludge bin bottom to mud cake precrushing, by above-mentioned iron cement cake crushing to below 20mm, pass through screw feed
Device is sent in drying machine and dried；Drying machine thermal source comes from slurry paper plant and provides white mud lime kiln high-temperature tail gas for oneself, and heating uses
Heat convection mode, described white mud lime kiln high-temperature flue gas have been subjected to dust removal process, and temperature is at 210~220 DEG C；It is dried
Iron cement particle is threaded into dry hopper dredger by discharging and stored, and the dried iron cement grain graininess is after 10~20mm dryings
Oxidation iron cement moisture content below 30%.
The tail gas of drying machine is first into cyclone dust collectors and sack cleaner by the swabbing action of rear end air-introduced machine
Dust removal process, the dust of deduster discharge is together entered by discharge device in dried iron oxide pug storehouse, after dedusting
Tail gas enters ultraviolet light (UV) Photolytic deodorization device through subcooler and demister again and removes caused foul smell in drying process
Composition, tail gas up to standard is emitted into air by aiutage through air-introduced machine.
Dried oxidation iron cement is delivered to grinder, and cement slurry granularity requirements, cement irony school are reached after grinding
Prepared by positive agent completes.
Above-mentioned cement 6% is added in the cement slurry of cement producing line in proportion with irony correction agent, is sent into cement kiln
Clinker is sintered into, then adds proper amount of gypsum or granulated blast-furnace slag (appropriate admixture mixing material or anti-wear agent etc.) levigate system
Into hydraulic cementing materials, i.e. common portland cement.
Cement composition after the addition irony corrigent, can be fluctuated, the silicic acid that the utility model is produced in certain limit
Its basic performance of salt cement meets the technical requirements of GB175-2007 common portland cements.
In the present embodiment, the irony correction agent especially as cement raw material, its essential element composition is Fe2O3
Content is added to the density that common portland cement can be improved in cement >=50%, improves pore structure；By adding the iron
Matter corrigent plays change and improves clinker mineral composition, that is, reduces tricalcium aluminate in clinker, increase calcium aluminoferrite content, from
And improve the sulfate resistance ability of cement.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of system for preparing cement irony correction agent to aoxidize iron cement mud as raw material, including：
Iron cement starches accumulator tank；
The iron cement being connected with the discharging opening of iron cement slurry accumulator tank starches flocculation tank, and flocculant charging is provided with iron cement slurry flocculation tank
Mouthful；
The filter press being connected with the discharging opening of iron cement slurry flocculation tank；
The disintegrating machine being connected with the cake outlet of filter press；
The drying machine being connected with the discharging opening of disintegrating machine；
The grinder being connected with the discharging opening of drying machine.
2. system according to claim 1, it is characterised in that the system also includes flocculant tank, and flocculant tank goes out
Material mouth is connected with the flocculant charge door of iron cement slurry flocculation tank.
3. system according to claim 1, it is characterised in that the system also includes wet hopper dredger and dry hopper dredger；
Wet hopper dredger is arranged between filter press and disintegrating machine, and the charging aperture of wet hopper dredger is connected with the cake outlet of filter press, wet mud
The discharging opening in storehouse is connected with the charging aperture of disintegrating machine；
Dry hopper dredger is arranged between drying machine and grinder, and the charging aperture of dry hopper dredger is connected with the discharging opening of drying machine, dry hopper dredger
Discharging opening be connected with the charging aperture of grinder.
4. system according to claim 1, it is characterised in that the drying machine is convection heat transfer' heat-transfer by convection drying machine, is set thereon
There are air inlet and gas outlet；
The system also includes white mud lime kiln high-temperature tail gas conveyance conduit, white mud lime kiln high-temperature tail gas conveyance conduit and drying
The air inlet of machine is connected.
5. system according to claim 4, it is characterised in that the system also includes dust arrester, and dust arrester enters
Gas port is connected with the gas outlet of drying machine.
6. system according to claim 5, it is characterised in that the dust arrester includes cyclone dust collectors and bag-type dust
Device, the air inlet of cyclone dust collectors are connected with the gas outlet of drying machine, the gas outlet of cyclone dust collectors and entering for sack cleaner
Gas port is connected.
7. system according to claim 5, it is characterised in that the system also includes odor removal, and odor removal enters
Gas port is connected with the gas outlet of dust arrester.
8. system according to claim 7, it is characterised in that the system also includes cooler, and cooler, which is arranged on, to be removed
Between dirt device and odor removal, the air inlet of cooler is connected with the gas outlet of dust arrester, and the gas outlet of cooler is with removing
The air inlet of smelly device is connected.
9. system according to claim 8, it is characterised in that the system also includes demister, and demister is arranged on cold
But between device and odor removal, the air inlet of demister is connected with the gas outlet of cooler, and gas outlet and the deodorization of demister fill
The air inlet put is connected.
10. system according to claim 7, it is characterised in that the odor removal is ultraviolet light Photolytic deodorization device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721055768.4U CN207091310U (en) | 2017-08-22 | 2017-08-22 | A kind of system for preparing cement irony correction agent to aoxidize iron cement mud as raw material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721055768.4U CN207091310U (en) | 2017-08-22 | 2017-08-22 | A kind of system for preparing cement irony correction agent to aoxidize iron cement mud as raw material |
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| CN207091310U true CN207091310U (en) | 2018-03-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111499231A (en) * | 2020-04-22 | 2020-08-07 | 宝武集团环境资源科技有限公司 | Treatment method of iron and steel smelting dust and iron correction material |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111499231A (en) * | 2020-04-22 | 2020-08-07 | 宝武集团环境资源科技有限公司 | Treatment method of iron and steel smelting dust and iron correction material |
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