CN110006246A - A kind of device and method of disposal using rotary kiln preheating raw material disposition waste - Google Patents
A kind of device and method of disposal using rotary kiln preheating raw material disposition waste Download PDFInfo
- Publication number
- CN110006246A CN110006246A CN201910221061.3A CN201910221061A CN110006246A CN 110006246 A CN110006246 A CN 110006246A CN 201910221061 A CN201910221061 A CN 201910221061A CN 110006246 A CN110006246 A CN 110006246A
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- Prior art keywords
- rotary kiln
- pipeline
- waste
- tertiary
- raw material
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/20—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having rotating or oscillating drums
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/2016—Arrangements of preheating devices for the charge
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
It include: dore furnace the present invention provides a kind of device using rotary kiln preheating raw material disposition waste, rotary kiln, connect the tertiary-air pipe of rotary kiln end and dore furnace, and with tertiary-air pipe in a miniature rotary kiln of inclination angle arrangement, miniature rotary kiln one end passes through tertiary-air pipe described in the first pipeline connection, the other end is connected to one end of the tertiary-air pipe by dore furnace described in the second pipeline connection, miniature rotary furnace, higher than the one end for being connected to the dore furnace；Waste filler is arranged in the first pipeline for being connected to the tertiary-air pipe in miniature rotary kiln, and the first pipeline is connected to by third pipeline with preheater, and the hot raw material in preheater is made to pass through third pipeline flow dividing to the miniature rotary kiln.The present invention realizes the harmlessness disposing process to solid waste while carrying out clinker production, and improves the adding amount of waste, and can be avoided coking and blocking in miniature rotary kiln and pipeline.
Description
Technical field
The present invention relates to manufacture of cement to cooperate with Waste Disposal Technology field, in particular to a kind of to be preheated using rotary kiln
The device and method of disposal of raw material disposition waste.
Background technique
With the continuous development of social science and technology, also occur the problem of environment is constantly contaminated, Ren Leilai therewith
Very fragile with the environment of existence, in order to protect environment, people take the discharge industry to pollutant and limit.It is same with this
When, the processing people of pollutant are also being continually striving to.
The kiln of manufacture of cement has high temperature Strong oxdiative alkaline environment during rotary kiln high-temperature calcination clinker, high
Warm Strong oxdiative alkaline environment provides excellent treatment conditions for some solid waste met into kiln requirement.Currently, Ren Menyi
Carry out cooperative disposal waste through extensive application cement kiln, such as hazardous waste, house refuse, city and industrial sludge,
The solid waste such as polluted soil.But the filling of waste generally use SMP (Shredding-Mixing-Pumping, break
Broken-mixing-pumping system), the pre- ingredient of raw material, kiln hood spray into, dore furnace investment etc. modes be added, adding amount is controlled by filler
The limitation of size and local zonule additional amount.But the various ways of the prior art, no matter spraying into waste from kiln hood, also
It is that waste is added in dore furnace, there is following defects.
For example, waste or dore furnace addition waste are sprayed into from kiln hood, in kiln hood or dore furnace or in the presence of heat absorption
Excessively, or that there are heat releases is excessive, and amount at waste is caused to be restricted.Moreover, occurring unexpected feelings during waste treatment
Under condition, needs to carry out maintenance and inspection to cement kiln closing, cause to impact the operation of cement kiln.
Therefore, in order to solve the above problem in the prior art, a kind of dispose using rotary kiln preheating raw material is needed to give up
The device and method of disposal of gurry are realized while clinker production and carry out harmlessness disposing to fixed waste, improve
While waste treatment amount, guarantee the normal operation of cement kiln.
Summary of the invention
One aspect of the present invention is to provide a kind of device using rotary kiln preheating raw material disposition waste, described
Device includes:
Dore furnace, rotary kiln connect the tertiary-air pipe of rotary kiln end and dore furnace, and
It is in a miniature rotary kiln of inclination angle arrangement with the tertiary-air pipe, miniature rotary kiln one end passes through the first pipeline
It is connected to the tertiary-air pipe, for the other end by dore furnace described in the second pipeline connection, the miniature rotary furnace connection is described three times
One end of air hose, higher than the one end for being connected to the dore furnace；
Waste filler is arranged in the first pipeline for being connected to the tertiary-air pipe in the miniature rotary kiln, and described first
Pipeline is connected to by third pipeline with preheater, and the hot raw material in preheater is made to pass through third pipeline flow dividing to the miniature rotary
Kiln.
In a preferred embodiment, first pipeline passes through at least one of third pipeline and the preheater
Cyclone connection.
First regulation flashboard is set in a preferred embodiment, on first pipeline.
Second regulation flashboard is set in a preferred embodiment, on the second pipeline.
Third is set in a preferred embodiment, in the tertiary-air pipe and regulates and controls flashboard.
In a preferred embodiment, waste filling apparatus is arranged in the waste filler, for described the
One pipeline fills waste.
Another aspect of the present invention is to provide a kind of method using rotary kiln preheating raw material disposition waste, institute
The method of stating includes following method and step:
The high-temperature hot-air of tertiary-air pipe is introduced to miniature rotary kiln by the first pipeline；
Hot raw material pass through third pipeline flow dividing to miniature rotary kiln；
Waste introduces the miniature rotary kiln by waste filler；
Waste is emitted into dore furnace by the second pipeline after miniature rotary kiln high temperature decomposition.
In a preferred embodiment, high-temperature hot-air is controlled by the first regulation flashboard and introduces miniature rotary kiln.
It is discarded after the decomposition of dore furnace is emitted by the second regulation flashboard control in a preferred embodiment
Object.
Device and method of disposal provided by the invention using rotary kiln preheating raw material disposition waste, is closing on kiln tail
Tertiary-air pipe near dore furnace is arranged in juxtaposition miniature rotary kiln, introduces using in tertiary-air pipe for the high-temperature hot-air containing oxygen
It is carried out to miniature rotary kiln, the waste for being filled into miniature rotary kiln is disposed, reduced to cement kiln influence on system operation
Under the premise of, the adding amount of waste can be increased.
Device and method of disposal provided by the invention using rotary kiln preheating raw material disposition waste, is realized in cement
Under the premise of kiln operates normally, the increase disposition amount of Portable safety can be closed quickly when there is fortuitous event to happen
System, the corollary apparatus existing quality coal in cement kiln systems not impacted.
It is provided by the invention using rotary kiln preheating raw material disposition waste device and method of disposal, whole devices without
It is environmentally friendly and specifically limited, the industrial production occasion of entirely appropriate cement kiln synergic processing.It is easy to use, securely and reliably, it can subtract
Few dore furnace heat size pressure increases castoff heat and decomposes swap time, promotes waste treatment efficiency.
Device and method of disposal provided by the invention using rotary kiln preheating raw material disposition waste, can be according to factory
It needs to come into operation at any time；It is installed when production line stops production, without changing existing production system, does not influence normal life
It produces.
Device and method of disposal provided by the invention using rotary kiln preheating raw material disposition waste, cement kiln collaboration
The installation area for disposing waste is small, minimum to existing weaponry and equipment revamping workload, and transformation is convenient, greatly enterprise is facilitated to use.
The harmlessness disposing process to solid waste is realized while carrying out clinker production.
The present invention use with tertiary-air pipe be in inclination angle arrangement miniature rotary kiln, first pipeline of miniature rotary kiln one end,
It is connected to by third pipeline with preheater, hot raw material is made to branch to miniature rotary kiln, in advance in miniature rotary kiln interior conduit bottom
Be laid with hot raw meal powder, form Base Heat raw material bed course, fall in subsequent waste on hot raw material, not with miniature rotary kiln inner tube
Road bottom directly contacts, and reduces the possibility of coking and blocking.
It should be appreciated that aforementioned description substantially and subsequent detailed description are exemplary illustration and explanation, it should not
As the limitation to the claimed content of the present invention.
Detailed description of the invention
With reference to the attached drawing of accompanying, the more purposes of the present invention, function and advantage are by the as follows of embodiment through the invention
Description is illustrated, in which:
Fig. 1 diagrammatically illustrates the cement kiln structural schematic diagram of burning clinker of cement in the prior art.
Fig. 2 shows the schematic diagrames of the device of the invention using rotary kiln preheating raw material disposition waste.
Fig. 3 shows the present invention using the structural block diagram of the device of rotary kiln preheating raw material disposition waste.
Specific embodiment
By reference to exemplary embodiment, the purpose of the present invention and function and the side for realizing these purposes and function
Method will be illustrated.However, the present invention is not limited to exemplary embodiment as disclosed below；Can by different form come
It is realized.The essence of specification is only to aid in those skilled in the relevant arts' Integrated Understanding detail of the invention.
Hereinafter, the embodiment of the present invention will be described with reference to the drawings.In the accompanying drawings, identical appended drawing reference represents identical
Or similar component or same or like step.
It clearly illustrates, cement kiln system is illustrated first, as shown in Figure 1 in order to be made to the contents of the present invention
The cement kiln structural schematic diagram of burning clinker of cement in the prior art during cement kiln produces clinker, is returning
The kiln hood 201 of rotary kiln 200 is lighted a fire, and the high-temperature hot-air of thousands of degree is supreme to 100 uplink of preheater through the kiln tail 202 of rotary kiln 200
Warm blower discharge.Raw material are through feeding measurement, into preheater and high-temperature hot-air heat exchange at hot raw material, raw material in preheater 100
With high-temperature hot-air after multiple cyclones (C1, C2, C3, C4, C5) preheats progress heat exchange, raw material are preheated to hot raw material.Heat
The high-temperature hot-air heat exchange that raw material enter dore furnace 203 and tertiary-air pipe 204 introduces is fed through rotary kiln 200, hot raw material warp
The calcining of rotary kiln 200 forms clinker, is discharged after cooling down into grate-cooler.
During burning clinker of cement, high-temperature hot-air is up to 1450 DEG C (first in 201 temperature of kiln hood of rotary kiln 200
Fire), 202 temperature of kiln tail of rotary kiln 200 is up to 1100 DEG C (second fire), and tertiary-air pipe 204 is introduced to dore furnace 203
Temperature is up to 950 DEG C (third is fire).High-temperature hot-air temperature after preheater 100 will be arranged for 300 DEG C or so by high-temperature blower
Out.
The essential main equipment of rotary kiln cement manufacturing.The high temperature Strong oxdiative alkaline environment that cement kiln has
Excellent condition is provided for wastes such as cooperative disposal dangerous wastes.In the prior art in order to useless using cement rotary kiln disposition dangerous waste etc.
Gurry typically directly directly fills waste in kiln hood 201 or the dore furnace of kiln tail 202 203.In kiln hood or dore furnace
Or to there is heat absorption excessive, or that there are heat releases is excessive, and amount at waste is caused to be restricted.Moreover, during waste treatment
Occur needing integrally to close to carry out maintenance and inspection cement kiln, causing to cause the operation of cement kiln under fortuitous event
It influences.
Since tertiary-air pipe is the cement kiln standard configuration that recuperation of heat auxiliary combustion high temperature air enters preheater 100.The present invention
In order to overcome the technical issues of occurring in the prior art, the specific of the high-temperature hot-air of oxygen is included using tertiary-air pipe 204, it is right
Waste is disposed.Specifically, the present invention as shown in Figure 2 utilizes showing for the device of rotary kiln preheating raw material disposition waste
It is intended to, the present invention shown in Fig. 3 disposes the structural block diagram of the device of waste using rotary kiln preheating raw material, according to the present invention
Embodiment, a kind of device of cement kiln synergic processing waste include: dore furnace 203, and rotary kiln 200 connects 200 kiln of rotary kiln
First 201 with the tertiary-air pipe 204 of dore furnace 203.
And be in a miniature rotary kiln 205 of inclination angle arrangement with tertiary-air pipe 204,205 one end of miniature rotary kiln passes through the
One pipeline 206 is connected to tertiary-air pipe 204, and the other end is connected to dore furnace 203 by the second pipeline 207, and miniature rotary furnace 205 is connected to
One end of tertiary-air pipe 204, higher than one end of connection dore furnace 203.In the present embodiment, in, it is arranged first on the first pipeline 206
Regulate and control flashboard 208, setting second regulates and controls flashboard 209 on the second pipeline 207, and setting third regulates and controls flashboard in tertiary-air pipe 204
210.It in some embodiments, can be the first regulation flashboard 208 to be arranged on only the first pipeline 206.In further embodiments, may be used
The second regulation flashboard 209 to be arranged on only the second pipeline 207.
Waste filler 202 is arranged in miniature rotary kiln 205 on the first pipeline 206 of connection tertiary-air pipe 204.It is useless
Waste filling apparatus 211 is arranged in gurry filler 212, for filling waste to the first pipeline.First pipeline 206 passes through the
Three pipelines 213 are connected to preheater, and the hot raw material in preheater is made to branch to miniature rotary kiln 205 by third pipeline 213, the
One pipeline 206 enters waste before waste filler 202 by the hot raw material filling point of third pipeline 213
After first pipeline 206, there is hot raw material bed course to form bed course in the first pipeline 206.
According to an embodiment of the invention, the first pipeline 206 passes through at least one whirlwind in third pipeline 213 and preheater
Device connection.Such as in some embodiments, third pipeline 213 is connected to the cyclone (C4) in preheater, in other implementations
In example, third pipeline 213 is connected to the cyclone (C2) in preheater, and in some embodiments, third pipeline 213 can also be with
Cyclone (C2), cyclone (C4) in preheater are connected to simultaneously.
In some embodiments, flashboard is set on third pipeline 213, and control branches to the hot raw material of miniature rotary furnace 205.
With the structure having the same of rotary kiln 200 in 205 structure of miniature rotary kiln of the present invention, it is reduced in size as three
Secondary air hose matches.Specific structure those skilled in the art can be designed according to the specific requirement at scene, and the application is not
It is specifically limited, such as the first pipeline 206 and miniature rotary kiln 205 can be passed through flanged joint by those skilled in the art, and
It is sealed processing；Second pipeline 207 passes through flanged joint with miniature rotary kiln 205, and carries out encapsulation process.
Below with reference to the device provided by the invention using rotary kiln preheating raw material disposition waste, the present invention is provided
It is a kind of using rotary kiln preheating raw material disposition waste method be illustrated, according to an embodiment of the invention, a kind of benefit
Method with rotary kiln preheating raw material disposition waste includes following method and step:
High-temperature hot-air in tertiary-air pipe 204 is introduced to miniature rotary kiln 205 by the first pipeline 206.
Hot raw material branch to miniature rotary kiln 205 by third pipeline 213.
Waste introduces miniature rotary kiln 205 by waste filler 212.
Waste is emitted into dore furnace by the second pipeline after the decomposition of miniature rotary kiln high temperature.
Miniature rotary kiln 205 may be implemented under the premise of cement kiln operates normally, the increase disposition amount of Portable safety, when
When having fortuitous event to happen, system can be quickly closed, the corollary apparatus not impacted to existing quality coal in cement kiln systems.
In some cases, waste ingredient origin is complicated, in burning there are the possibility that coking is gathered, pipeline is caused to become
It is narrow, influence the possibility of ventilation and disposition amount.Based on this, the present invention is raw from the cyclone punishment stream part heat in cement kiln preheaters
Material is added before into tilted-putted miniature rotary kiln waste feeding inlet, is laid with hot raw material in miniature rotary kiln in advance
Powder.Specifically, first pipeline of miniature rotary kiln one end is connected to preheater by third pipeline, branches to hot raw material micro-
Type rotary kiln is laid with hot raw meal powder in miniature rotary kiln interior conduit bottom in advance, forms Base Heat raw material bed course, makes subsequent discarded
Object is fallen on hot raw material, is not contacted directly with miniature rotary kiln interior conduit bottom, is reduced the possibility of coking and blocking, then assist with
The blow devices such as air bubble will make system more reliably efficient operation.
According to an embodiment of the invention, according to temperature and the needs of air quantity, the opening degree of control regulation flashboard, the first regulation
Flashboard 208 controls high-temperature hot-air and introduces miniature rotary kiln 205, and point for being emitted into dore furnace is controlled by the second regulation flashboard 209
Waste after solution.
Specifically, the present invention installed additional side by side near the tertiary-air pipe 204 for closing on dore furnace 203 one inclined miniature time
Rotary kiln 203 regulates and controls the high-temperature hot-air flow that flashboard 2210 adjusts tertiary-air pipe 204 by third, is regulated and controled by the first flashboard 208
The shunting hot blast rate of tertiary-air pipe 204.
It shunts hot wind and enters miniature rotary kiln 205 through the first pipeline 206, pass through in the kiln hood of miniature rotary kiln 205 discarded
Object filler 212 fills waste, and waste carries out heat exchange in miniature rotary kiln 205 and is heated decomposition, such as organic matter
By pyrolytic CO2And H2O is discharged in a manner of gaseous and after the preheated device 100 of high-temperature hot-air by high-temperature blower；Inorganic matter example
Such as CaCO3, it is broken down into the kiln tail that CaO goes to miniature rotary kiln 205, is sent to dore furnace.It finally falls under dore furnace 203
Laminar flow journey.For example, the principle needed for available industry returns in rotary kiln 100 together with hot raw material, to waste point
Being made full use of using ingredient after solution.
The present invention is by being arranged in juxtaposition a miniature rotary kiln in tertiary-air pipe, comparing in 200 kiln hood of rotary kiln or dividing
Waste is directly filled in solution furnace, can be avoided since excessive or heat release of absorbing heat in kiln hood or dore furnace is excessive, cause to discard
Object disposition amount is restricted.
According to an embodiment of the invention, flashboard 209 can be regulated and controled to miniature rotary by the first regulation flashboard 208, second
High-temperature hot-air amount in kiln 205 is adjusted.For example, when the discarded object amount for needing to dispose is less, it can be by adjusting first
Regulate and control flashboard 208, reduces the high-temperature hot-air amount into miniature rotary kiln 205, it, can when the discarded object amount for needing to dispose is more
Increase the high-temperature hot-air amount into miniature rotary kiln 205 by adjusting the first regulation flashboard 208.
In another example when decomposing insufficient after the castoff heat exchange in miniature rotary kiln 205, adjustable second regulation
Flashboard, the waste made enters dore furnace 203 speed after decomposing reduces, to realize the abundant pyrolytic of waste.This
A kind of device and method of disposal using rotary kiln preheating raw material disposition waste that invention provides, in miniature rotary kiln 205
It breaks down or in the case that other needs are shut down, the first regulation flashboard 208 and the second regulation flashboard 209 can be closed, make heat
Wind does not enter in miniature rotary kiln 205, to guarantee maintenance safety.Cement kiln system is not shut down integrally simultaneously, continues to save
The production run of clinker.
Device and method of disposal provided by the invention using rotary kiln preheating raw material disposition waste, is closing on kiln tail
Tertiary-air pipe near dore furnace is arranged in juxtaposition miniature rotary kiln, introduces using in tertiary-air pipe for the high-temperature hot-air containing oxygen
It is carried out to miniature rotary kiln, the waste for being filled into miniature rotary kiln is disposed, reduced to cement kiln influence on system operation
Under the premise of, the adding amount of waste can be increased.
Device and method of disposal provided by the invention using rotary kiln preheating raw material disposition waste, is realized in cement
Under the premise of kiln operates normally, the increase disposition amount of Portable safety can be closed quickly when there is fortuitous event to happen
System, the corollary apparatus existing quality coal in cement kiln systems not impacted.
It is provided by the invention using rotary kiln preheating raw material disposition waste device and method of disposal, whole devices without
It is environmentally friendly and specifically limited, the industrial production occasion of entirely appropriate cement kiln synergic processing.It is easy to use, securely and reliably, it can subtract
Few dore furnace heat size pressure increases castoff heat and decomposes swap time, promotes waste treatment efficiency.
Device and method of disposal provided by the invention using rotary kiln preheating raw material disposition waste, can be according to factory
It needs to come into operation at any time；It is installed when production line stops production, without changing existing production system, does not influence normal life
It produces.
Device and method of disposal provided by the invention using rotary kiln preheating raw material disposition waste, cement kiln collaboration
The installation area for disposing waste is small, minimum to existing weaponry and equipment revamping workload, and transformation is convenient, greatly enterprise is facilitated to use.
The harmlessness disposing process to solid waste is realized while carrying out clinker production.
In conjunction with the explanation and practice of the invention disclosed here, the other embodiment of the present invention is for those skilled in the art
It all will be readily apparent and understand.Illustrate and embodiment is regarded only as being exemplary, true scope of the invention and purport are equal
It is defined in the claims.
Claims (9)
1. a kind of device using rotary kiln preheating raw material disposition waste, which is characterized in that described device includes:
Dore furnace, rotary kiln connect the tertiary-air pipe of rotary kiln end and dore furnace, and
It is in a miniature rotary kiln of inclination angle arrangement with the tertiary-air pipe, miniature rotary kiln one end passes through the first pipeline connection
The tertiary-air pipe, the other end are connected to the tertiary-air pipe by dore furnace described in the second pipeline connection, the miniature rotary furnace
One end, higher than the one end for being connected to the dore furnace；
Waste filler, first pipeline is arranged in the first pipeline for being connected to the tertiary-air pipe in the miniature rotary kiln
It is connected to by third pipeline with preheater, the hot raw material in preheater is made to pass through third pipeline flow dividing to the miniature rotary kiln.
2. the apparatus according to claim 1, which is characterized in that first pipeline passes through third pipeline and the preheater
In at least one cyclone connection.
3. the apparatus according to claim 1, which is characterized in that the first regulation flashboard is arranged on first pipeline.
4. device according to claim 1 or 3, which is characterized in that the second regulation flashboard is arranged on the second pipeline.
5. device according to claim 1, which is characterized in that third is arranged in the tertiary-air pipe and regulates and controls flashboard.
6. the apparatus according to claim 1, which is characterized in that waste filling apparatus is arranged in the waste filler,
For filling waste to first pipeline.
7. a kind of method using rotary kiln preheating raw material disposition waste, which is characterized in that the method includes such as lower sections
Method step:
The high-temperature hot-air of tertiary-air pipe is introduced to miniature rotary kiln by the first pipeline；
Hot raw material pass through third pipeline flow dividing to miniature rotary kiln；
Waste introduces the miniature rotary kiln by waste filler；
Waste is emitted into dore furnace by the second pipeline after miniature rotary kiln high temperature decomposition.
8. the method according to the description of claim 7 is characterized in that it is miniature to control high-temperature hot-air introducing by the first regulation flashboard
Rotary kiln.
9. the method according to the description of claim 7 is characterized in that being emitted into point of dore furnace by the second regulation flashboard control
Waste after solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910221061.3A CN110006246B (en) | 2019-03-22 | 2019-03-22 | Device and method for disposing waste by preheating raw materials through rotary kiln |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910221061.3A CN110006246B (en) | 2019-03-22 | 2019-03-22 | Device and method for disposing waste by preheating raw materials through rotary kiln |
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| CN110006246B CN110006246B (en) | 2023-10-17 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074373A (en) * | 2021-03-30 | 2021-07-06 | 天津水泥工业设计研究院有限公司 | System for co-processing various wastes through cement firing and disposal process |
| CN113751475A (en) * | 2021-09-30 | 2021-12-07 | 华润水泥技术研发（广西）有限公司 | Solid waste treatment process |
| CN113803727A (en) * | 2021-09-30 | 2021-12-17 | 华润水泥技术研发（广西）有限公司 | High-efficient slope rotation burner who deals with solid useless |
| CN114216336A (en) * | 2021-12-15 | 2022-03-22 | Khd洪堡威达克有限公司 | Cement raw meal decomposition system using alternative fuel |
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