CN110030825A - A kind of device and waste treatment method of cement kiln synergic processing waste - Google Patents

A kind of device and waste treatment method of cement kiln synergic processing waste Download PDF

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Publication number
CN110030825A
CN110030825A CN201910220951.2A CN201910220951A CN110030825A CN 110030825 A CN110030825 A CN 110030825A CN 201910220951 A CN201910220951 A CN 201910220951A CN 110030825 A CN110030825 A CN 110030825A
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China
Prior art keywords
waste
rotary kiln
tertiary
kiln
air pipe
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CN201910220951.2A
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Chinese (zh)
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CN110030825B (en
Inventor
张喜悦
丰德新
王图强
陈文宝
曲益萍
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Beijing Asia Pacific Eco Polytron Technologies Inc
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Beijing Asia Pacific Eco Polytron Technologies Inc
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Priority to CN201910220951.2A priority Critical patent/CN110030825B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20Details, accessories, or equipment peculiar to rotary-drum furnaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/42Arrangement of controlling, monitoring, alarm or like devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Processing Of Solid Wastes (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)

Abstract

The present invention provides a kind of devices of cement kiln synergic processing waste, it include: dore furnace, rotary kiln, connect the tertiary-air pipe of rotary kiln end and dore furnace, and the miniature rotary kiln being arranged in juxtaposition with the tertiary-air pipe, miniature rotary kiln one end passes through dore furnace described in the second pipeline connection by tertiary-air pipe described in the first pipeline connection, the other end;Waste filler is arranged in the first pipeline for being connected to the tertiary-air pipe in 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, promotes heat exchanger time, improves the treatment effeciency of waste.

Description

A kind of device and waste treatment method of cement kiln synergic processing waste
Technical field
The present invention relates to manufacture of cement to cooperate with Waste Disposal Technology field, in particular to a kind of cement kiln synergic processing is useless The device and waste treatment method of gurry.
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 device of cement kiln synergic processing waste is needed And waste treatment method, it is realized while clinker production and harmlessness disposing is carried out to fixed waste, improved discarded While object disposition 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 of cement kiln synergic processing waste, and described device includes:
Dore furnace, rotary kiln connect the tertiary-air pipe of rotary kiln end and dore furnace, and
The miniature rotary kiln being arranged in juxtaposition with the tertiary-air pipe, miniature rotary kiln one end are connected by the first pipeline Lead to the tertiary-air pipe, the other end passes through dore furnace described in the second pipeline connection;
Waste filler is arranged in the first pipeline for being connected to the tertiary-air pipe in the miniature rotary kiln.
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 of cement kiln synergic processing waste, the method includes Following method and step:
The high-temperature hot-air of tertiary-air pipe is introduced to miniature rotary kiln by the first pipeline;
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.
The device and waste treatment method of cement kiln synergic processing waste provided by the invention are decomposed closing on kiln tail Tertiary-air pipe near furnace is arranged in juxtaposition miniature rotary kiln, micro- using being introduced into tertiary-air pipe for the high-temperature hot-air containing oxygen Type rotary kiln carries out, and is disposed to the waste for being filled into miniature rotary kiln, before reducing to cement kiln influence on system operation It puts, the adding amount of waste can be increased.
The device and waste treatment method of cement kiln synergic processing waste provided by the invention, realize cement kiln just Often under the premise of operation, the increase disposition amount of Portable safety can be closed quickly when there is fortuitous event to happen and be System, the corollary apparatus existing quality coal in cement kiln systems not impacted.
The device and waste treatment method of cement kiln synergic processing waste provided by the invention, whole devices are without environmental protection With specifically limited, the industrial production occasion of entirely appropriate cement kiln synergic processing.It is easy to use, securely and reliably, it is possible to reduce point Furnace heat size pressure is solved, castoff heat is increased and decomposes swap time, promote waste treatment efficiency.
The device and waste treatment method of cement kiln synergic processing waste provided by the invention, can be according to factory's needs It comes into operation at any time;It installs when production line stops production, without changing existing production system, does not affect the normal production.
The device and waste treatment method of cement kiln synergic processing waste provided by the invention, cement kiln synergic processing The installation area of waste is small, minimum to existing weaponry and equipment revamping workload, and transformation is convenient, greatly enterprise is facilitated to use.Into The harmlessness disposing process to solid waste is realized while row clinker produces.
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 cement kiln synergic processing waste of the present invention.
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 schematic diagram of the device of cement kiln synergic processing waste of the present invention as shown in Figure 2, according to The embodiment of the present invention, a kind of device of cement kiln synergic processing waste include: dore furnace 203, and rotary kiln 200 connects back to The tertiary-air pipe 204 of rotary kiln 200 kiln hood 201 and dore furnace 203.
And the miniature rotary kiln 205 being arranged in juxtaposition with tertiary-air pipe 204,205 one end of miniature rotary kiln pass through first Pipeline 206 is connected to tertiary-air pipe 204, and the other end is connected to dore furnace 203 by the second pipeline 207.In the present embodiment, in, first Setting first regulates and controls flashboard 208 on pipeline 206, the second regulation of setting flashboard 209 on the second pipeline 207, sets in tertiary-air pipe 204 Set third regulation flashboard 210.It in some embodiments, can be the first regulation flashboard 208 to be arranged on only the first pipeline 206.Another It, can be the second regulation flashboard 209 to be arranged on only the second pipeline 207 in some embodiments.
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.
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 of cement kiln synergic processing waste provided by the invention, to a kind of cement provided by the invention The method of kiln cooperative disposal waste is illustrated, according to an embodiment of the invention, a kind of cement kiln synergic processing waste Method 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.
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.
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.
The device and waste treatment method of a kind of cement kiln synergic processing waste provided by the invention, in miniature rotary In the case that kiln 205 breaks down or other needs are shut down, the first regulation flashboard 208 and the second regulation flashboard 209 can be closed, Do not enter hot wind in miniature rotary kiln 205, to guarantee maintenance safety.Cement kiln system is not shut down integrally simultaneously, is continued Save the production run of clinker.
The device and waste treatment method of cement kiln synergic processing waste provided by the invention are decomposed closing on kiln tail Tertiary-air pipe near furnace is arranged in juxtaposition miniature rotary kiln, micro- using being introduced into tertiary-air pipe for the high-temperature hot-air containing oxygen Type rotary kiln carries out, and is disposed to the waste for being filled into miniature rotary kiln, before reducing to cement kiln influence on system operation It puts, the adding amount of waste can be increased.
The device and waste treatment method of cement kiln synergic processing waste provided by the invention, realize cement kiln just Often under the premise of operation, the increase disposition amount of Portable safety can be closed quickly when there is fortuitous event to happen and be System, the corollary apparatus existing quality coal in cement kiln systems not impacted.
The device and waste treatment method of cement kiln synergic processing waste provided by the invention, whole devices are without environmental protection With specifically limited, the industrial production occasion of entirely appropriate cement kiln synergic processing.It is easy to use, securely and reliably, it is possible to reduce point Furnace heat size pressure is solved, castoff heat is increased and decomposes swap time, promote waste treatment efficiency.
The device and waste treatment method of cement kiln synergic processing waste provided by the invention, can be according to factory's needs It comes into operation at any time;It installs when production line stops production, without changing existing production system, does not affect the normal production.
The device and waste treatment method of cement kiln synergic processing waste provided by the invention, cement kiln synergic processing The installation area of waste is small, minimum to existing weaponry and equipment revamping workload, and transformation is convenient, greatly enterprise is facilitated to use.Into The harmlessness disposing process to solid waste is realized while row clinker produces.
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 (8)

1. a kind of device of cement kiln synergic processing 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
The miniature rotary kiln being arranged in juxtaposition with the tertiary-air pipe, miniature rotary kiln one end pass through the first pipeline connection institute Tertiary-air pipe is stated, the other end passes through dore furnace described in the second pipeline connection;
Waste filler is arranged in the first pipeline for being connected to the tertiary-air pipe in the miniature rotary kiln.
2. the apparatus according to claim 1, which is characterized in that the first regulation flashboard is arranged on first pipeline.
3. device according to claim 1 or 2, which is characterized in that the second regulation flashboard is arranged on the second pipeline.
4. device according to claim 1, which is characterized in that third is arranged in the tertiary-air pipe and regulates and controls flashboard.
5. 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.
6. a kind of method of cement kiln synergic processing waste, which is characterized in that the method includes following method and steps:
The high-temperature hot-air of tertiary-air pipe is introduced to miniature rotary kiln by the first pipeline;
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.
7. according to the method described in claim 6, it is characterized in that, being introduced by the first regulation flashboard control high-temperature hot-air miniature Rotary kiln.
8. according to the method described in claim 6, it is characterized in that, being emitted into point of dore furnace by the second regulation flashboard control Waste after solution.
CN201910220951.2A 2019-03-22 2019-03-22 Device for cooperatively disposing waste by cement kiln and waste disposal method Active CN110030825B (en)

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CN201910220951.2A CN110030825B (en) 2019-03-22 2019-03-22 Device for cooperatively disposing waste by cement kiln and waste disposal method

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CN110030825B CN110030825B (en) 2023-11-14

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1844747A (en) * 2006-04-28 2006-10-11 合肥水泥研究设计院 Cement rotary kiln and incinerator combined treatment system for urban domestic refuse
CN101761928A (en) * 2010-01-11 2010-06-30 中信重工机械股份有限公司 Incineration treatment method for domestic refuse
CN103922624A (en) * 2014-04-16 2014-07-16 南京凯盛国际工程有限公司 Clinker sintering system taking carbide slag as calcareous raw material and being used for treating smoke generated in waste incineration
CN106966618A (en) * 2017-02-27 2017-07-21 西南科技大学 A kind of method of cement kiln synergic processing house refuse
CN207581676U (en) * 2017-10-26 2018-07-06 华润水泥技术研发有限公司 Utilize the system of cement kiln synergic processing rubbish
CN209978593U (en) * 2019-03-22 2020-01-21 北京科太亚洲生态科技股份有限公司 Device for cooperatively treating waste in cement kiln

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1844747A (en) * 2006-04-28 2006-10-11 合肥水泥研究设计院 Cement rotary kiln and incinerator combined treatment system for urban domestic refuse
CN101761928A (en) * 2010-01-11 2010-06-30 中信重工机械股份有限公司 Incineration treatment method for domestic refuse
CN103922624A (en) * 2014-04-16 2014-07-16 南京凯盛国际工程有限公司 Clinker sintering system taking carbide slag as calcareous raw material and being used for treating smoke generated in waste incineration
CN106966618A (en) * 2017-02-27 2017-07-21 西南科技大学 A kind of method of cement kiln synergic processing house refuse
CN207581676U (en) * 2017-10-26 2018-07-06 华润水泥技术研发有限公司 Utilize the system of cement kiln synergic processing rubbish
CN209978593U (en) * 2019-03-22 2020-01-21 北京科太亚洲生态科技股份有限公司 Device for cooperatively treating waste in cement kiln

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