CN109443024A - A kind of bypass system and method for cement kiln synergic processing - Google Patents
A kind of bypass system and method for cement kiln synergic processing Download PDFInfo
- Publication number
- CN109443024A CN109443024A CN201811566389.0A CN201811566389A CN109443024A CN 109443024 A CN109443024 A CN 109443024A CN 201811566389 A CN201811566389 A CN 201811566389A CN 109443024 A CN109443024 A CN 109443024A
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- air
- cement kiln
- dust
- precipitator
- synergic processing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention provides a kind of bypass system and methods of cement kiln synergic processing, further include by the sequentially connected air mixing device of air hose, dust-precipitator, cement kiln cooler the system comprises kiln tail smoke-box；First air inlet of the air mixing device is connected with kiln tail smoke-box, and the second air inlet handles workshop with garbage storing hole, fixed-end forces workshop, dangerous waste respectively by cool air hose and is connected, and the first air-introduced machine is additionally provided on the cool air hose；The air outlet of the dust-precipitator is connected with the high temperature section of cement kiln cooler, and the ash discharging hole of dust-precipitator is connected by conveying mechanism with collection ash cellar.The present invention can make full use of the high temperature in quality coal in cement kiln systems by cement kiln synergic processing waste volatility, half volatile substance, pernicious gas and bypass system exhaust gas carry out thorough harmless treatment, the secondary pollution that disposal process can be effectively prevent to generate, and it is at low cost.
Description
Technical field
The present invention relates to technical field of cement production, the bypass system of especially a kind of cement kiln synergic processing and side
Method.
Background technique
When harmful element content is higher in cement raw materials and fuel or cement kiln synergic processing waste, into kiln system
In the harmful substances such as chlorine, sulphur, alkali can be exceeded, circulation collection of these harmful substances in system will lead to smoke-box, dore furnace
With part cyclone cylinder occur skinning, blocking the phenomenon that, influence the normal operation of system, resulted even in when serious the system underproduction,
It stops production.In order to eliminate the adverse effect caused by manufacture of cement of the elements such as chlorine, sulphur, alkali, cement kiln synergic processing waste is improved
Adaptability, add cement kiln bypass system and either all have economically or from effect clear superiority.
At the same time, when cement producing line is run, gas temperature may be up to 1600 DEG C or more in rotary kiln, have by various
While malicious harmful substance solidification, decomposition, the NOx largely based on heating power type and fuel type can be generated, NOx is dense in smoke-box flue gas
Degree even up to 1500mg/Nm3More than.In addition, also containing SO in the flue gas of bypass system discharge2, HCl, dioxin etc.
Pollutant is separately provided smoke stack emission and is difficult to meet environment protection emission requirement.The especially production of cement kiln synergic processing waste
Line, it is easier to bypass system off gas occur and discharge exceeded problem, will increase dramatically life if adding emission-control equipment
Produce cost.Toxic, the pernicious gas that the special operations places such as garbage storing hole, fixed-end forces workshop, dangerous waste processing workshop volatilize
Be required to handle it is up to standard after can just be directly discharged into atmosphere, handling this portion gas equally will increase production cost.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of bypass system of cement kiln synergic processing and
Method can make full use of high temperature in quality coal in cement kiln systems by the volatility in cement kiln synergic processing waste, half volatile object
The exhaust gas of matter, pernicious gas and bypass system carries out thorough harmless treatment, disposal process can be effectively prevent to generate
Secondary pollution, and it is at low cost.
The technical solution adopted by the present invention to solve the technical problems is:
Present invention firstly provides a kind of bypass systems of cement kiln synergic processing, including kiln tail smoke-box, further include leading to
Cross the sequentially connected air mixing device of air hose, dust-precipitator, cement kiln cooler；The first air inlet and kiln tail cigarette of the air mixing device
Room is connected, and the second air inlet handles workshop with garbage storing hole, fixed-end forces workshop, dangerous waste respectively by cool air hose and is connected, described
The first air-introduced machine is additionally provided on cool air hose；The air outlet of the dust-precipitator is connected with the high temperature section of cement kiln cooler, dust-precipitator
Ash discharging hole by conveying mechanism with collect ash cellar be connected.
Embodiment as a further preference is additionally provided with cyclone separator between first air inlet and kiln tail smoke-box,
The air inlet of this cyclone separator is connected with the air outlet of kiln tail smoke-box, and air outlet is connected with first air inlet, solids
Reason discharge port is connected with dore furnace or kiln tail smoke-box.
Embodiment as a further preference is additionally provided with bypass air-valve on the cool air hose.
Embodiment as a further preference, the connection air hose between the air mixing device and dust-precipitator are equipped with cold wind
Valve.
Embodiment as a further preference, the connection air hose between the dust-precipitator and cement kiln cooler are equipped with
Second air-introduced machine.
Embodiment as a further preference, the conveying mechanism include conveyer belt and elevator interconnected.
Present invention firstly provides a kind of bypass methods of cement kiln synergic processing, and steps are as follows:
S1 extracts a certain amount of high-temperature flue gas from kiln tail smoke-box and mixes cold wind, and cold wind source includes garbage storing hole, solid waste
Handle workshop, dangerous waste handles workshop；
S2 high-temperature flue gas and cold wind enter dust-precipitator after air mixing device mixing, are sent into collection ash through ash collected by dust-precipitator
Storehouse, the flue gas after gathering dust introduces the high temperature section of cement kiln cooler, after exchanging heat with high temperature chamotte, enters as combustion air
Rotary kiln or/and dore furnace participate in burning.
Embodiment as a further preference, high-temperature flue gas described in step S1 is before mixing cold wind, further includes:
High-temperature flue gas carries out gas solid separation by cyclone separator, solid material through cyclone collection be sent into dore furnace or/and
Kiln tail smoke-box is calcined, and the gas of cyclone separator mixes cold wind out.
Embodiment as a further preference, volume ratio >=5 in step S1 between cold wind and high-temperature flue gas.
The positive effect of the present invention: the present invention takes full advantage of the high temperature in quality coal in cement kiln systems, by cement kiln synergic processing
The exhaust gas of volatility, half volatile substance, pernicious gas and bypass system in waste carries out thoroughly innoxious place
Reason, can effectively prevent disposal process generate secondary pollution, i.e., the poisonous and harmful substance in flue gas by cooler high temperature section into
Enter kiln system and dore furnace, solidification and harmless treatment can be carried out under the high temperature conditions, is finally discharged into greatly as qualified exhaust gas
Gas greatly reduces production cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the bypass system of cement kiln synergic processing described in embodiment 1；
Fig. 2 is the structural schematic diagram of the bypass system of cement kiln synergic processing described in embodiment 2.
In figure: 1: garbage storing hole, 2: fixed-end forces workshop, 3: dangerous waste processing workshop, 4: cold blast sliding valve, 5: the first air-introduced machines,
6: air mixing device, 7: cold blast sliding valve, 8: dust-precipitator, 9: the second air-introduced machines, 10: elevator, 11: cement kiln cooler, 12: collection ash
Storehouse, 13: cyclone separator, 14: dore furnace, 15: kiln tail smoke-box.
Specific embodiment
With reference to the accompanying drawing to a preferred embodiment of the present invention will be described in detail.
Embodiment 1
Referring to Fig.1, the preferred embodiment of the present invention 1 provides a kind of bypass system of cement kiln synergic processing, including kiln
Tail smoke-box 15 further includes by the sequentially connected air mixing device 6 of air hose, dust-precipitator 8, cement kiln cooler 11；The mixed wind dress
It sets 6 the first air inlet to be connected with kiln tail smoke-box 15, the second air inlet cheats 1, fixed-end forces with garbage storing respectively by cool air hose
Workshop 2, dangerous waste processing workshop 3 are connected, and the first air-introduced machine 5 is additionally provided on the cool air hose；The air outlet and water of the dust-precipitator 8
The high temperature section of stall cooler 11 is connected, and the ash discharging hole of dust-precipitator 8 is connected by conveying mechanism with collection ash cellar 12.
Bypass air-valve 4 is additionally provided on the cool air hose.
Gas temperature to avoid enter into dust-precipitator 8 is excessively high to damage dust-precipitator, the air mixing device 6 and dust-precipitator
Connection air hose between 8 is equipped with cold blast sliding valve 7, and the air inlet of this cold blast sliding valve 7 can be cold air.
Connection air hose between the dust-precipitator 8 and cement kiln cooler 11 is equipped with the second air-introduced machine 9.
The conveying mechanism includes conveyer belt and elevator 10 interconnected.
Bypass system based on cement kiln synergic processing described in the present embodiment 1, a kind of side of cement kiln synergic processing
Road is leaked informaton method, and steps are as follows:
A certain amount of high-temperature flue gas, incorporation cold wind (cold wind air quantity and high-temperature flue gas air quantity ratio are extracted from kiln tail smoke-box 15
>=5), cold wind source includes but is not limited to the field of the needs ventilations such as garbage storing hole 1, fixed-end forces workshop 2, dangerous waste processing workshop 3
Institute (fills into cold air by the bypass adjustment of air-valve 4 additionally by the wind-warm syndrome that the bypass control of air-valve 4 enters the cold wind of air mixing device 6
Amount come the cold wind temperature that is adjusted into air mixing device, and then the temperature for controlling air mixing device outlet mixing wind meets subsequent work
The requirement of condition)；High-temperature flue gas and cold wind enter dust-precipitator 8 after the mixing of air mixing device 6, enter through the ash that dust-precipitator (8) is accepted
Collect ash cellar 12, the flue gas after gathering dust is connected by the second air-introduced machine 9 with 11 high temperature section of cement kiln cooler, by ripe with high temperature
After material heat exchange, as two, combustion air enters rotary kiln three times and dore furnace participates in burning, makes full use of the height in quality coal in cement kiln systems
Warm environment, by cement kiln synergic processing waste volatility, half volatile substance, pernicious gas and bypass exhaust gas
(gases of the extractions such as the flue gas of kiln tail smoke-box extraction and each solid waste workshop) carry out thorough harmless treatment, can effectively prevent locating
Set the secondary pollution of process generation.
Embodiment 2
Referring to Fig. 2, the preferred embodiment of the present invention 2 provides a kind of bypass system of cement kiln synergic processing, with implementation
Example 1 is the difference is that be additionally provided with cyclone separator 13 between first air inlet and kiln tail smoke-box 15, this cyclone separator 13
Air inlet be connected with the air outlet of kiln tail smoke-box 15, air outlet is connected with first air inlet, solid-state physics discharge port with
Dore furnace 14 or kiln tail smoke-box 15 are connected.
Bypass system based on cement kiln synergic processing described in the present embodiment 2, a kind of side of cement kiln synergic processing
Road is leaked informaton method, and steps are as follows:
A certain amount of high-temperature flue gas is extracted from kiln tail smoke-box 15, gas-solid point is carried out to high-temperature flue gas by cyclone separator 13
From the solid material of collection is sent into dore furnace 14 or smoke-box 15 is calcined, and the gas of cyclone separator 13 enters mixed wind out
Device 6 is mixed with cold wind, and cold wind source includes but is not limited to garbage storing hole 1, fixed-end forces workshop 2, dangerous waste processing workshop 3
The place of equal needs ventilation, additionally by bypass air-valve 4 to control the cold wind temperature for entering air mixing device 6；High-temperature flue gas and cold
Wind enters dust-precipitator 8 after the mixing of air mixing device 6, enters collection ash cellar through the ash that dust-precipitator 8 is accepted, the flue gas after gathering dust passes through
Second air-introduced machine 9 is connected with the high temperature section of cement kiln cooler 11, after exchanging heat with high temperature chamotte, as two, combustion-supporting three times
Wind enters rotary kiln and dore furnace participates in burning, makes full use of the hot environment in quality coal in cement kiln systems that cement kiln synergic processing gives up
The exhaust gas of volatility, half volatile substance, pernicious gas and bypass system in object carries out thorough harmless treatment,
The secondary pollution that disposal process can be effectively prevent to generate.
It is above-described to be merely a preferred embodiment of the present invention, it should be understood that the explanation of above embodiments is only used
In facilitating the understanding of the method and its core concept of the invention, it is not intended to limit the scope of protection of the present invention, it is all of the invention
Any modification for being made within thought and principle, equivalent replacement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of bypass system of cement kiln synergic processing, including kiln tail smoke-box, it is characterised in that: further include passing through air hose
Sequentially connected air mixing device, dust-precipitator, cement kiln cooler；First air inlet of the air mixing device and kiln tail smoke-box phase
Even, the second air inlet handles workshop with garbage storing hole, fixed-end forces workshop, dangerous waste respectively by cool air hose and is connected, the cold wind
The first air-introduced machine is additionally provided on pipe；The air outlet of the dust-precipitator is connected with the high temperature section of cement kiln cooler, the row of dust-precipitator
Grey mouth is connected by conveying mechanism with collection ash cellar.
2. a kind of bypass system of cement kiln synergic processing according to claim 1, it is characterised in that: described first
It is additionally provided with cyclone separator between air inlet and kiln tail smoke-box, the air outlet phase of the air inlet and kiln tail smoke-box of this cyclone separator
Even, air outlet is connected with first air inlet, and solid-state physics discharge port is connected with dore furnace or kiln tail smoke-box.
3. a kind of bypass system of cement kiln synergic processing according to claim 1 or 2, it is characterised in that: described
Bypass air-valve is additionally provided on cool air hose.
4. a kind of bypass system of cement kiln synergic processing according to claim 1 or 2, it is characterised in that: described
Connection air hose between air mixing device and dust-precipitator is equipped with cold blast sliding valve.
5. a kind of bypass system of cement kiln synergic processing according to claim 1 or 2, it is characterised in that: described
Connection air hose between dust-precipitator and cement kiln cooler is equipped with the second air-introduced machine.
6. a kind of bypass system of cement kiln synergic processing according to claim 1 or 2, it is characterised in that: described
Conveying mechanism includes conveyer belt and elevator interconnected.
7. a kind of bypass method of the cement kiln synergic processing based on system described in claim 1, which is characterized in that step
It is as follows:
S1 extracts a certain amount of high-temperature flue gas from kiln tail smoke-box and mixes cold wind, and cold wind source includes garbage storing hole, fixed-end forces
Workshop, dangerous waste handle workshop；
S2 high-temperature flue gas and cold wind enter dust-precipitator after air mixing device mixing, are sent into collection ash cellar through ash collected by dust-precipitator,
The high temperature section that flue gas after gathering dust introduces cement kiln cooler enters back after exchanging heat with high temperature chamotte as combustion air
Rotary kiln or/and dore furnace participate in burning.
8. a kind of bypass method of cement kiln synergic processing according to claim 7, which is characterized in that in step S1
The high-temperature flue gas is before mixing cold wind, further includes: high-temperature flue gas carries out gas solid separation by cyclone separator, through whirlwind
The solid material of separator collection is sent into dore furnace or/and kiln tail smoke-box is calcined, and the gas incorporation of cyclone separator is cold out
Wind.
9. a kind of bypass method of cement kiln synergic processing according to claim 7, it is characterised in that: in step S1
Volume ratio >=5 between cold wind and high-temperature flue gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811566389.0A CN109443024A (en) | 2018-12-19 | 2018-12-19 | A kind of bypass system and method for cement kiln synergic processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811566389.0A CN109443024A (en) | 2018-12-19 | 2018-12-19 | A kind of bypass system and method for cement kiln synergic processing |
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| Publication Number | Publication Date |
|---|---|
| CN109443024A true CN109443024A (en) | 2019-03-08 |
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ID=65558996
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811566389.0A Pending CN109443024A (en) | 2018-12-19 | 2018-12-19 | A kind of bypass system and method for cement kiln synergic processing |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111592249A (en) * | 2020-06-18 | 2020-08-28 | 山东东华水泥有限公司 | Device for treating toxic and harmful gas by using cooling machine |
| CN112316715A (en) * | 2020-10-15 | 2021-02-05 | 成都建筑材料工业设计研究院有限公司 | High-temperature dust collection and cooling system and method for cement kiln SCR denitration system |
| CN112880422A (en) * | 2021-02-04 | 2021-06-01 | 天津水泥工业设计研究院有限公司 | Environment-friendly bypass air discharging process and equipment without discharged gas |
| CN113847604A (en) * | 2021-09-28 | 2021-12-28 | 安徽海螺建材设计研究院有限责任公司 | System for cement kiln deals with useless danger of solid useless in coordination |
| CN116177910A (en) * | 2022-09-27 | 2023-05-30 | 洛阳理工学院 | Novel suspension preheating calcination method for industrial secondary aluminum ash |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058615A (en) * | 2014-07-02 | 2014-09-24 | 南京凯盛国际工程有限公司 | System for synergistically treating household garbage through cement kiln |
| CN106369622A (en) * | 2016-08-27 | 2017-02-01 | 中国葛洲坝集团水泥有限公司 | Bypass exhaust device and treatment method for cooperative household refuse treatment of cement kiln |
| CN207592403U (en) * | 2017-11-15 | 2018-07-10 | 安徽海螺建材设计研究院 | A kind of cement kiln synergic processing house refuse system rubbish stores house exhaust processing unit |
| CN209263695U (en) * | 2018-12-19 | 2019-08-16 | 南京凯盛国际工程有限公司 | A kind of bypass system of cement kiln synergic processing |
-
2018
- 2018-12-19 CN CN201811566389.0A patent/CN109443024A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058615A (en) * | 2014-07-02 | 2014-09-24 | 南京凯盛国际工程有限公司 | System for synergistically treating household garbage through cement kiln |
| CN106369622A (en) * | 2016-08-27 | 2017-02-01 | 中国葛洲坝集团水泥有限公司 | Bypass exhaust device and treatment method for cooperative household refuse treatment of cement kiln |
| CN207592403U (en) * | 2017-11-15 | 2018-07-10 | 安徽海螺建材设计研究院 | A kind of cement kiln synergic processing house refuse system rubbish stores house exhaust processing unit |
| CN209263695U (en) * | 2018-12-19 | 2019-08-16 | 南京凯盛国际工程有限公司 | A kind of bypass system of cement kiln synergic processing |
Non-Patent Citations (1)
| Title |
|---|
| 盛洁;常青;张程;: "利用旁路放风余热资源冷却高温段熟料技术思路的实践", 新世纪水泥导报, no. 05, pages 11 - 13 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111592249A (en) * | 2020-06-18 | 2020-08-28 | 山东东华水泥有限公司 | Device for treating toxic and harmful gas by using cooling machine |
| CN112316715A (en) * | 2020-10-15 | 2021-02-05 | 成都建筑材料工业设计研究院有限公司 | High-temperature dust collection and cooling system and method for cement kiln SCR denitration system |
| CN112316715B (en) * | 2020-10-15 | 2021-07-20 | 成都建筑材料工业设计研究院有限公司 | High-temperature dust collection and cooling system and method for cement kiln SCR denitration system |
| CN112880422A (en) * | 2021-02-04 | 2021-06-01 | 天津水泥工业设计研究院有限公司 | Environment-friendly bypass air discharging process and equipment without discharged gas |
| CN113847604A (en) * | 2021-09-28 | 2021-12-28 | 安徽海螺建材设计研究院有限责任公司 | System for cement kiln deals with useless danger of solid useless in coordination |
| CN116177910A (en) * | 2022-09-27 | 2023-05-30 | 洛阳理工学院 | Novel suspension preheating calcination method for industrial secondary aluminum ash |
| CN116177910B (en) * | 2022-09-27 | 2024-05-14 | 洛阳理工学院 | Industrial secondary aluminum ash suspension preheating calcination method |
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