CN104446823B - A kind of silicon-calcium-potafertilizer fertilizer cooling technique and equipment - Google Patents
A kind of silicon-calcium-potafertilizer fertilizer cooling technique and equipment Download PDFInfo
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- CN104446823B CN104446823B CN201410812278.9A CN201410812278A CN104446823B CN 104446823 B CN104446823 B CN 104446823B CN 201410812278 A CN201410812278 A CN 201410812278A CN 104446823 B CN104446823 B CN 104446823B
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G1/00—Mixtures of fertilisers belonging individually to different subclasses of C05
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The invention discloses a kind of silicon-calcium-potafertilizer fertilizer cooling technique, using following steps:One) use the first single cylinder cooling machine by kiln discharge silicon-calcium-potafertilizer fertilizer clinker water-spraying control to 500~700 DEG C;Two) high temperature kibbler roll is used by the silicon-calcium-potafertilizer fertilizer chamotte crushing after water-spraying control to below 25mm;Three) the silicon-calcium-potafertilizer fertilizer clinker after being crushed using grate-cooler or the second single cylinder cooling machine is air-cooled to less than 100 DEG C, the hot blast for going out grate-cooler or the second single cylinder cooling machine is introduced in rotary kiln and dore furnace simultaneously, respectively as fuel combustion combustion-supporting Secondary Air and tertiary air.The present invention also disclosed the equipment for realizing above-mentioned silicon-calcium-potafertilizer fertilizer cooling technique.The present invention can be applied to kiln discharge high temperature stickiness clinker or bulk clinker, and have concurrently high temperature silicon-calcium-potafertilizer fertilizer clinker effectively cooling and waste heat recovery function, it is possible to increase operation rate, with save the energy and reduction production cost the characteristics of.
Description
Technical field
The invention belongs to silicon-calcium-potafertilizer fertilizer production technical field, and in particular to a kind of silicon-calcium-potafertilizer fertilizer is cold after calcined by rotary kiln
But Processes and apparatus.
Background technology
The thinking of original single utilization potassium has gradually been broken away from the utilization of water-insoluble potassium ore deposit in recent years, develops into comprehensive profit
With the technical thought of the elements such as wherein silicon, calcium, potassium.Silicon-calcium-potafertilizer fertilizer contains the elements such as potassium, silicon, calcium, magnesium, is a kind of soil of high-quality
Conditioner, can improve China's soil fertility with large area.With water-insoluble potassium ore deposit (such as potassium feldspar) and lime stone (or dolomite)
Silicon-calcium-potafertilizer fertilizer is produced for raw material, mainly there is three kinds of traditional pyrogenic process, tunnel kiln sintering method and static hydrothermal method at present.
Traditional pyrogenic process is, using potassium ore as raw material, with addition of lime stone and coal, to be calcined after milling, balling-up in shaft kiln high temperature,
Pulverize and be made again.The subject matter that this method is present is that sintering degree is uneven, and product quality is unqualified;And sinter exists
Easily lumpd and viscous furnace wall in stove, be difficult stirring and blanking, not only cause operating difficulties, and have a strong impact on yield and quality.Specially
Sharp ZL92111690.X discloses " a kind of production method of potash-lime fertilizer ", and its technical process is:Potassium ore powder and agstone or
Dolomite dust is mixed evenly to prepare bulk by a certain percentage, then is placed on calcining in annular kiln, tunnel cave or down-draft kiln, and sinter is size-reduced
Into potash-lime fertilizer product or silicon-magnesium potash fertilizer product.There is not yet tunnel kiln sintering silicon-calcium-potafertilizer fertilizer reclaims the report of high temperature chamotte heat content
Road.Static hydrothermal method is to add water to stir and evenly mix by a certain percentage after rich potassium silicate rock and quick lime are crushed, ground, then
Autoclave is inserted, high steam is passed through, static state constant-temperature is anti-under 190~200 DEG C, 1.1~1.3MPa temperature and pressure
Answer and taken out after 10~12 hours, so as to obtain the microporous mineral fertilizer of half wet condition.
Patent (application number 2014100155479) discloses " production technology and equipment of a kind of silicon-calcium-potafertilizer fertilizer ", its technique
Process is:Using water-insoluble potassium ore deposit and lime stone or dolomite as raw material, sequentially by broken, grinding, calcined by rotary kiln, cold
But machine cooling, broken and grinding, obtain silicon-calcium-potafertilizer fertilizer.The equipment that wherein cooling technique is used can be grate cooler, can be with
Single cylinder cooling machine, or other structures pattern cooler.In order to obtain high-quality silicon-calcium-potafertilizer fertilizer product, production process
In need improve calcining heat until product be in molten condition.Grate-cooler belong to quenching formula gas-solid heat exchange equipment, cooling air with
Vertical direction passes through the clinker bed of material, cools off clinker.The main of silicon-calcium-potafertilizer fertilizer clinker presence is directly cooled down using grate-cooler
Problem is:Silicon-calcium-potafertilizer fertilizer clinker can be in half molten state in rotary kiln high-temperature burning process, in fact it could happen that clinker is tacky to be blocked
The problems such as grate-cooler fixes the comb seam of grate plate, " making a snowman ", or it is likely to occur clinker knot bulk, it is impossible to normal cooling, Jin Eryan
Ghost image rings the safe operation of equipment and effective cooling of clinker.These the clinker massess generally can not be cooled down thoroughly, the center portion thereof point
Heat is larger, and heat is difficult to effective utilization.Therefore, a kind of bosher that can be widely applied for silicon-calcium-potafertilizer fertilizer production field is developed
Skill and equipment, are cooled down to the high temperature stickness clinker and bulk clinker of kiln discharge, while recovery section heat, burns till for reduction
Heat consumption, improves operation rate, and the meaning for reducing production cost is very great.
The content of the invention
The present invention is for technical problem is there is provided a kind of silicon-calcium-potafertilizer fertilizer cooling technique and sets present in calcined by rotary kiln technology
Standby, the Processes and apparatus can effectively cool down clinker, and heat consumption is burnt till in reduction, and then reduces silicon-calcium-potafertilizer fertilizer production cost, with section
Can be environmentally friendly the characteristics of.
The technical scheme that the present invention is taken for technical problem present in calcined by rotary kiln technology is:A kind of silicon
Calcium potash fertilizer cooling technique, using following steps:
One) kiln discharge silicon-calcium-potafertilizer fertilizer clinker is sprayed water using the first single cylinder cooling machine of the built-in water pipeline of band and air draft pipe
500~700 DEG C are cooled to, wherein, the process of water-spraying control is:The water that water pipeline sprays is with entering the first single cylinder cooling machine
High temperature stickiness clinker or the contact of bulk silicon-calcium-potafertilizer fertilizer clinker, high temperature stickiness clinker or bulk clinker surface temperature are reduced rapidly, water
Become vapor after heat absorption and steam treatment system is drawn to by air draft pipe;
Two) high temperature kibbler roll is used by the silicon-calcium-potafertilizer fertilizer chamotte crushing after water-spraying control to below 25mm;
Three) air-cooled to less than 100 DEG C of silicon-calcium-potafertilizer fertilizer clinker after being crushed using grate-cooler or the second single cylinder cooling machine, together
When will go out the hot blast of grate-cooler or the second single cylinder cooling machine and introduce in rotary kiln and dore furnace, it is combustion-supporting respectively as fuel combustion
Secondary Air and tertiary air.
Another technical scheme that the present invention is taken for technical problem present in calcined by rotary kiln technology is:It is a kind of
Realize the equipment of above-mentioned silicon-calcium-potafertilizer fertilizer cooling technique, including be sequentially connected the first single cylinder cooling machine, high temperature kibbler roll and
Water pipeline and air draft pipe, the water spray are set inside grate-cooler or the second single cylinder cooling machine, first single cylinder cooling machine
Pipeline is connected with water injection system, and the air draft pipe is connected with steam treatment system;The water exit position of the water pipeline is set
The feed end in first single cylinder cooling machine is put, the charging aperture of first single cylinder cooling machine is connected with rotary kiln head-shield,
Discharge port is connected with the charging aperture of the high temperature kibbler roll;The discharge port of the high temperature kibbler roll and the grate-cooler
Or second single cylinder cooling machine charging aperture connection;The grate-cooler or the second single cylinder cooling machine are provided with hot-blast outlet, the cooling
The hot-blast outlet of machine or second single cylinder cooling machine is connected respectively by sirocco reclamation airduct with rotary kiln head-shield and dore furnace
Connect.
The water pipeline is provided with water spray quantity regulating device.
The sirocco reclamation airduct is provided with dust-precipitator.
The sirocco reclamation airduct is provided with blower fan.
The sirocco reclamation airduct is respectively connected with rotary kiln head-shield and dore furnace, is set on the sirocco reclamation airduct
There is valve, valve is provided with the pipeline for connecting the sirocco reclamation airduct and rotary kiln head-shield and dore furnace.
The invention has the advantages that:The present invention can be applied to kiln discharge high temperature stickiness clinker or bulk clinker, and
Have the function of high temperature silicon-calcium-potafertilizer fertilizer clinker effectively cooling and waste heat recovery concurrently.The silicon-calcium-potafertilizer fertilizer clinker for going out rotary kiln is sprayed water by band
Under the temperature that water-spraying control can be born to high temperature kibbler roll in first single cylinder cooling machine of device, high temperature hair is realized
Glutinous clinker surface chilling, improves Clinker Flow;High temperature kibbler roll can be by the bulk chamotte crushing after water-spraying control
Fully contacted with cooling wind into fritter, and then in follow-up grate cooler or the second single cylinder cooling machine, thoroughly cooling;Greatly
Block clinker is after high temperature roll-type crusher in crushing, and the heat at bulk clinker center can also be cooled down by grate-cooler or the second monotubular
Machine is fully reclaimed, and hot blast enters in rotary kiln and dore furnace as combustion-supporting secondary of fuel combustion by sirocco reclamation airduct
Wind and tertiary air, can be greatly lowered firing system heat consumption.Relative to the technique directly cooled down using grate-cooler, energy of the present invention
The high temperature stickness clinker and bulk clinker of enough effectively cooling kiln discharges, improve operation rate, are produced with the saving energy and reduction
The characteristics of cost.
Brief description of the drawings
Fig. 1 is the equipment schematic diagram that the first realizes silicon-calcium-potafertilizer fertilizer cooling technique of the present invention;
Fig. 2 is the equipment schematic diagram of second of realization silicon-calcium-potafertilizer fertilizer cooling technique of the present invention.
In figure:Band arrow dotted line is airflow direction, and band arrow solid line is stream direction, 1 is the first single cylinder cooling machine, 2 is
High temperature kibbler roll, 3 be grate-cooler, 4 be dust-precipitator, 5 be blower fan, 6 be sirocco reclamation airduct, 7 be rotary kiln head-shield, 8
Be rotary kiln, 9 be dore furnace, 11 be water pipeline, 12 be air draft pipe, 13 be water injection system, 14 be steam treatment system,
31 be the second single cylinder cooling machine.
Embodiment
In order to further understand the content, features and effects of the present invention, hereby enumerating following examples, and coordinate accompanying drawing
Describe in detail as follows:
Referring to Fig. 1 and Fig. 2, a kind of silicon-calcium-potafertilizer fertilizer cooling technique comprises the following steps:
One) kiln discharge silicon-calcium-potafertilizer fertilizer clinker is sprayed water using the first single cylinder cooling machine of the built-in water pipeline of band and air draft pipe
It is cooled to 500~700 DEG C;Wherein, the process of water-spraying control is:The water that water pipeline sprays is with entering the first single cylinder cooling machine
High temperature stickiness clinker or the contact of bulk silicon-calcium-potafertilizer fertilizer clinker, high temperature stickiness clinker or bulk clinker surface temperature are reduced rapidly, water
Become vapor after heat absorption and steam treatment system is drawn to by air draft pipe;
Two) high temperature kibbler roll is used by the silicon-calcium-potafertilizer fertilizer chamotte crushing after water-spraying control to below 25mm;
Three) air-cooled to less than 100 DEG C of silicon-calcium-potafertilizer fertilizer clinker after being crushed using grate-cooler or the second single cylinder cooling machine, together
When will go out the hot blast of grate-cooler or the second single cylinder cooling machine and introduce in rotary kiln and dore furnace, it is combustion-supporting respectively as fuel combustion
Secondary Air and tertiary air.
Referring to Fig. 1 and Fig. 2, the equipment of above-mentioned silicon-calcium-potafertilizer fertilizer cooling technique is realized, including the first monotubular being sequentially connected is cold
But machine 1, high temperature kibbler roll 2 and the single cylinder cooling machine 31 of grate-cooler 3 or second, the inside of the first single cylinder cooling machine 1 are set
Water pipeline 11 and air draft pipe 12, the water pipeline 11 are connected with water injection system 13, the air draft pipe 12 and vapor
Processing system 14 is connected;The water exit position of the water pipeline 11 is arranged on the feed end of first single cylinder cooling machine 1, first
The charging aperture of single cylinder cooling machine 1 is connected with rotary kiln head-shield 7, and discharge port is connected with the charging aperture of high temperature kibbler roll 2;It is high
The discharge port of warm kibbler roll 2 is connected with the charging aperture of the single cylinder cooling machine 31 of grate-cooler 3 or second;Grate-cooler 3 or second is single
Cylinder cooler 31 is provided with hot-blast outlet, and hot-blast outlet is distinguished by sirocco reclamation airduct 6 with rotary kiln head-shield 7 and dore furnace 9
Connection.
High temperature roll-type crusher's rollers loop material matter heatproof can guarantee that its anti-wear performance at the working temperature more than 700 DEG C.
Grate-cooler 3 can be third generation grate-cooler either forth generation grate-cooler or other types of grate-cooler;Above-mentioned water spray
Pipeline is provided with water spray quantity regulating device, so that injection flow rate is controllable.
The main function of above-mentioned first single cylinder cooling machine 1 is the high temperature silicon-calcium-potafertilizer fertilizer clinker water-spraying control by rotary kiln is gone out,
The first single cylinder cooling machine is controlled to export silicon-calcium-potafertilizer fertilizer clinker temperature at 500~700 DEG C by adjusting injection flow rate.Water-spraying control process
Middle water spray water droplet can not be too small, i.e., " can not be atomized ", the water drop contact otherwise sprayed is just taken away less than clinker by air draft pipe,
Cooling effect is not reached;Spraying water water droplet simultaneously can not be excessive, is otherwise unable to flash evapn after water drop contact clinker, on the one hand
Refractory material inside first single cylinder cooling machine is adversely affected, shortens its life-span, on the other hand can be increased in clinker
Water content, influences heat recovery efficiency.The size of water spray water droplet needs to realize by adjusting the design of injection flow rate and shower nozzle.Water spray
System 13 is introduced the water into water pipeline 11, and the water spray position of water pipeline 11 is located at the feed end of the first single cylinder cooling machine 1, spray
The water gone out is contacted with entering the silicon-calcium-potafertilizer fertilizer clinker of the first single cylinder cooling machine, and silicon-calcium-potafertilizer fertilizer clinker surface temperature is rapidly reduced to one
Surely temperature is controlled, becomes vapor after water heat absorption, injection flow rate can be according to the first single cylinder cooling machine delivery end silicon-calcium-potafertilizer fertilizer clinker temperature
Degree is automatically adjusted.The feed end of first single cylinder cooling machine 1 is provided with air draft pipe 12, the vapor for generation of spraying water is drawn to
Steam treatment system 14, it is to avoid vapor enters in rotary kiln, influences the normal calcining of silicon-calcium-potafertilizer fertilizer clinker.Water pipeline 11
Its feed end is reached through the first single cylinder cooling machine 1 with air draft pipe 12, the high temperature silicon-calcium-potafertilizer fertilizer clinker for going out rotary kiln is carried out
Cooling, while taking the vapor of generation away in time.
The charging aperture of above-mentioned high temperature kibbler roll 2 connects the discharge port of the first single cylinder cooling machine 1, high temperature kibbler roll
2 main function be by the bulk chamotte crushing after water-spraying control into fritter, and then be conducive to it is follow-up in grate cooler or
Fully contacted with cooling wind in second single cylinder cooling machine, thoroughly cooling, while being also beneficial to the recovery of bulk clinker center heat.
The discharge port of the charging aperture connection high temperature kibbler roll 2 of the single cylinder cooling machine 31 of grate-cooler 3 or second, grate-cooler 3
Or second single cylinder cooling machine 31 main function be the silicon-calcium-potafertilizer fertilizer clinker for reclaiming out high temperature kibbler roll heat content, and by silicon
Calcium potash fertilizer clinker cooling is to less than 100 DEG C.The single cylinder cooling machine 31 of grate-cooler 3 or second connection sirocco reclamation airduct 6, sirocco reclamation
Airduct 6 is provided with dust-precipitator 4 and blower fan 5, draws wind by blower fan 5, the hot blast for going out the single cylinder cooling machine 31 of grate-cooler 3 or second is drawn
Enter in rotary kiln head-shield 7 and dore furnace 9, respectively as fuel combustion combustion-supporting Secondary Air and tertiary air.The effect of dust-precipitator 4
It is that the hot blast for the single cylinder cooling machine 31 of grate-cooler 3 or second is carried out separation dedusting, dust-precipitator 4 is provided with blanking airlock.Heat
Wind reclaims airduct 6 and is connected respectively with rotary kiln head-shield 7 and dore furnace 9, and valve is provided with sirocco reclamation airduct 6, in connection
The pipeline of sirocco reclamation airduct 6 and rotary kiln head-shield 7 and dore furnace 9 is provided with valve, can be going out grate-cooler 3 or the second
The hot blast of single cylinder cooling machine 31 carries out reasonable distribution, respectively enters rotary kiln 8 and dore furnace 9.
The operation principle and key problem in technology of the present invention is:
1) two grades of coolings of high temperature silicon-calcium-potafertilizer fertilizer clinker:The present invention is single using the first single cylinder cooling machine 1 and grate-cooler 3 or second
Cylinder cooler 31 constitutes two grades of coolings.The silicon-calcium-potafertilizer fertilizer clinker for going out rotary kiln enters the first single cylinder cooling machine 1 by wicket cover 7
In, injection flow rate is adjusted by water injection system 13 and controls the first single cylinder cooling machine 1 to export silicon-calcium-potafertilizer fertilizer clinker temperature 500~700
℃.The single cylinder cooling machine 31 of grate-cooler 3 or second will go out the fritter silico-calcium after high temperature roll-type crusher in crushing by the way of air-cooled
Potash fertilizer clinker is air-cooled to less than 100 DEG C.The purpose for the first order cooling that wherein the first single cylinder cooling machine 1 is constituted is in order to by high temperature
Bulk clinker surface is cooled under the temperature that high temperature roll-type crusher's rollers set can be born.The monotubular of grate-cooler 3 or second is cooled down
The second level cooling that machine 31 is constituted is the main body of heat recovery.First order cooling is serviced for high temperature kibbler roll, and the
Two grades of coolings are the keys for ensureing higher thermal organic efficiency.
2) heat recovery:Go out the hot blast of the single cylinder cooling machine 31 of grate-cooler 3 or second under the drawing wind of blower fan 5, by gathering dust
After device 4 gathers dust, into sirocco reclamation airduct 6,6 points of sirocco reclamation airduct is that two-way connects rotary kiln kiln head cover 7 and divided respectively
Stove 9 is solved, enters the hot blast referred to as Secondary Air of rotary kiln head-shield 7, enters the hot blast referred to as tertiary air of dore furnace 9, Secondary Air and three times
The air force of wind can adjust by the valve on sirocco reclamation airduct 6.Origin of heat is that high temperature kibbler roll exports silico-calcium
The sensible heat of potash fertilizer clinker.
The present invention can be applied to kiln discharge high temperature stickiness or bulk clinker, and have high temperature silicon-calcium-potafertilizer fertilizer clinker concurrently and effectively cool down
With the function of waste heat recovery, reduce and burn till heat consumption, expand the applicability of rotary system, improve operation rate, have
Help the reduction of silicon-calcium-potafertilizer fertilizer production cost.
Why using the first single cylinder cooling machine by kiln discharge silicon-calcium-potafertilizer fertilizer clinker water-spraying control to 500~700 DEG C, be because
Limited by high temperature roll-type crusher's rollers loop material heat-resistant, wear-resistant performance.In the heat-resisting resistance to of high temperature roll-type crusher's rollers loop material
After mill performance gets a promotion, it would however also be possible to employ kiln discharge silicon-calcium-potafertilizer fertilizer clinker water spray is chilled to by the first single cylinder cooling machine to be higher than
700 DEG C of temperature, is then cooled down and recuperation of heat using grate-cooler or the second single cylinder cooling machine.If roller loop material heatproof surpasses
1100 DEG C are crossed, the first single cylinder cooling machine can also be cancelled, the high temperature chamotte for going out rotary kiln is directly taken into high temperature kibbler roll
Crushed, then cooled down and recuperation of heat only with grate-cooler or the second single cylinder cooling machine.
Although the preferred embodiments of the present invention are described above in conjunction with accompanying drawing, protection scope of the present invention is simultaneously
Above-mentioned embodiment is not limited only to, all technical schemes belonged under thinking of the present invention belong to the protection model of the present invention
Enclose.It should be pointed out that for those skilled in the art, without departing from the principles of the present invention some change
Enter and retouch, should be regarded as protection scope of the present invention.
Claims (1)
1. a kind of silicon-calcium-potafertilizer fertilizer cooling technique, it is characterised in that use following steps:
One) the first single cylinder cooling machine with built-in water pipeline and air draft pipe is used by kiln discharge silicon-calcium-potafertilizer fertilizer clinker water-spraying control
To 500~700 DEG C, wherein, the process of water-spraying control is:The water that water pipeline sprays and the high temperature for entering the first single cylinder cooling machine
Stickiness clinker or the contact of bulk silicon-calcium-potafertilizer fertilizer clinker, high temperature stickiness clinker or bulk clinker surface temperature are reduced rapidly, water heat absorption
After become vapor and steam treatment system be drawn to by air draft pipe;
Two) high temperature kibbler roll is used by the silicon-calcium-potafertilizer fertilizer chamotte crushing after water-spraying control to below 25mm;
Three) air-cooled to less than 100 DEG C of silicon-calcium-potafertilizer fertilizer clinker after being crushed using grate-cooler or the second single cylinder cooling machine, simultaneously will
The hot blast for going out grate-cooler or the second single cylinder cooling machine is introduced in rotary kiln and dore furnace, respectively as combustion-supporting secondary of fuel combustion
Wind and tertiary air;
Realize that the equipment of the technique includes the first single cylinder cooling machine, high temperature kibbler roll and grate-cooler or second being sequentially connected
Water pipeline and air draft pipe are set inside single cylinder cooling machine, first single cylinder cooling machine, and the water pipeline is with water spray
System connection, the air draft pipe is connected with steam treatment system;The water exit position of the water pipeline is arranged on described first
The feed end of single cylinder cooling machine, the charging aperture of first single cylinder cooling machine is connected with rotary kiln head-shield, discharge port with it is described
The charging aperture connection of high temperature kibbler roll;The discharge port of the high temperature kibbler roll and the grate-cooler or the second monotubular are cold
But the charging aperture connection of machine;The grate-cooler or the second single cylinder cooling machine are provided with hot-blast outlet, the grate-cooler or described second
The hot-blast outlet of single cylinder cooling machine is connected respectively by sirocco reclamation airduct with rotary kiln head-shield and dore furnace.
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DE3521587C1 (en) * | 1985-06-15 | 1989-02-02 | O & K Orenstein & Koppel Ag, 1000 Berlin | Process and system for producing white cement |
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