CN217677230U - Cement kiln cooperative disposal system for crushing, coupling, distributing and feeding large-volume dried sludge into furnace - Google Patents
Cement kiln cooperative disposal system for crushing, coupling, distributing and feeding large-volume dried sludge into furnace Download PDFInfo
- Publication number
- CN217677230U CN217677230U CN202221831274.1U CN202221831274U CN217677230U CN 217677230 U CN217677230 U CN 217677230U CN 202221831274 U CN202221831274 U CN 202221831274U CN 217677230 U CN217677230 U CN 217677230U
- Authority
- CN
- China
- Prior art keywords
- sludge
- crushing
- bin
- cement kiln
- metering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a cement kiln of broken coupling branch income stove of large volume mummification mud deals with system in coordination, grate cooler, pre-heater dore stove in novel dry process cement clinker production line still include municipal sludge and receive, conveying system, mud breakage, measurement, branch material system, odor purification system. The utility model discloses an utilize novel dry process cement manufacture line current technology and facility, go into the kiln with the mummification municipal sludge that the moisture content is less than or equal to 40% as alternative fuel after the crushing breaker is smashed in coordination, do not influence the output quality of grog, reduce and burn till the heat loss, practice thrift coal and raw materials resource. The utility model discloses the system is advanced, equipment is reliable, energy saving and emission reduction, green, and degree of automation is high, can realize intelligent operation.
Description
Technical Field
The utility model relates to a harmless resourceful processing field of municipal administration mud specifically is cement kiln of stove is gone into to broken coupling branch of large volume mummification mud deals with the system in coordination, makes municipal administration mud become alternative fuel and gets into cement kiln system, realizes the high-efficient utilization of mud resourceization, and the economize on coal water conservation, green.
Background
Municipal sludge is a typical representative of urban organic solid waste, and according to information published by Ministry of housing and urban and rural construction of China, the annual production amount of the municipal sludge in China is about 6000 million tons (calculated by 80 percent of water content) in 2020. For a long time, the municipal sludge has large production amount, complex source, low resource utilization rate and secondary pollution risk, and the sludge disposal problem is not effectively solved.
The sludge cement kiln co-treatment is a technical route which is developed in recent years and can quickly realize sludge reduction and harmlessness, and practice proves that the sludge cement kiln co-treatment has a great application prospect. The method avoids the defects of small treatment amount of co-burning sludge of garbage power plants and thermal power plants, secondary treatment of ash and slag and the like, and has the advantages of low energy consumption, reduced carbon emission, reduced coal consumption, capability of replacing the sludge with fuel and the like.
At the present stage, the proportion of municipal sludge in cooperation with the cement kiln adopting a direct kiln entering mode is large, the municipal sludge (with the water content of 80%) directly enters the kiln system simply, but the water is brought into the kiln more, and the treatment capacity is limited. If the sludge with the water content of 80 percent enters a cement plant and is not subjected to deep dehydration or drying, the coal consumption of a cement kiln system is increased, the coal burning amount is increased by about 120 kg (standard coal)/t wet sludge, and 1t of municipal sludge with the water content of 80 percent is cooperatively treated to influence the clinker yield by about 2t.
The municipal sludge cement kiln co-processing technology has the following defects: 1) The water content in the decomposing furnace is high, and the heat consumption, the treatment capacity, the clinker yield and the heat exchange of the preheater are influenced; 2) The sludge particles are large and the dispersibility is poor, so that the sludge is incompletely combusted in the decomposing furnace, the phenomena of material collapse and deflagration are easy to occur, and the stability of the atmosphere of the decomposing furnace is influenced; 3) More water vapor is easily generated due to high moisture, and the load of the high-temperature fan is increased. The problems are the bottleneck of realizing the large-mixing-amount cooperative sludge treatment of the cement kiln at present.
Under the background of 'double carbon', the proportion of carbon emission in the building material production stage accounts for 28.3 percent of national energy, and cement as a building material industry sub-industry generates over 80 percent of carbon emission. Therefore, in order to realize the aim of 'double carbon', the cement enterprises need to reduce the source amount, actively adopt environment-friendly materials and establish a green supply chain. Simultaneously, the low-carbon transformation of cement enterprises is also to be approached: the development of novel environment-friendly cement is promoted, the technologies of replacing raw materials, replacing fuels and capturing carbon are popularized and applied, the cooperative disposal strength of the cement kiln is enhanced, and a carbon transaction system is integrated as soon as possible.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a cement kiln that big volume mummification mud broken coupling of mixing divides material to go into stove deals with system in coordination relies on cement kiln system of firing, with the municipal sludge that the moisture content is less than or equal to 40 after broken coupling divides the material, feeding cement kiln dore furnace realizes the substitution of cement clinker raw materials, fuel.
In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:
the cement kiln that the broken coupling of large volume mummification mud was divided and is gone into stove deals with system in coordination, grate cooler, pre-heater dore furnace in novel dry process cement clinker production line still include municipal sludge and receive, conveying system, mud breakage, measurement, branch material system and foul smell clean system, its characterized in that: the municipal sludge receiving and conveying system comprises an automobile discharging bin, a sludge storage bin, a grab bucket and a grab bucket bin which are matched with each other, and a fully-closed plate feeding machine, a fully-closed conveyor and a lifter which are matched with each other; the municipal sludge with the water content less than or equal to 40 percent is poured into an automobile unloading bin or a sludge storage through a special sealed vehicle, and the municipal sludge in the automobile unloading bin is fed into a fully-closed plate feeding machine; municipal sludge in the sludge storage is sent into a grab bucket bin through a grab bucket and then sent into a full-closed plate feeding machine; and the fully-closed plate feeding machine feeds the sludge to a fully-closed conveyor matched with the fully-closed plate feeding machine, and finally the sludge is fed into a sludge crushing, metering and distributing system through a lifter.
The municipal sludge enters the sludge crushing and scattering machine after being fed from the lifting machine, sludge powder is obtained after crushing and scattering, more than 85% of the sludge powder has the particle size of less than or equal to 5mm, then the sludge powder enters the sludge bin, and the sludge powder is metered by the metering device and then is used as alternative fuel to be fed into different feeding points in the preheater decomposing furnace through the material distribution system. Municipal sludge with the water content of less than or equal to 40 percent is crushed and scattered to have the particle size of more than 85 percent and less than or equal to 5mm, and the municipal sludge is metered and then enters a decomposing furnace for incineration, and is used as a substitute raw material and a substitute fuel, so that the material consumption and the coal consumption are reduced.
The odor purification system comprises an odor collection system used for a municipal sludge receiving and conveying system and a sludge crushing, metering and distributing system and a deodorization induced draft fan arranged on a pipeline of the odor collection system; the odor collected by the odor collecting system is sent into a section of fan of the kiln head grate cooler by a deodorization draught fan and is blown into the grate cooler, and the incineration treatment is carried out at a high temperature of more than 1400 ℃.
The cement kiln cooperative disposal system for crushing, coupling and distributing the large-volume dried sludge into the furnace is characterized in that: the sludge crushing, metering and distributing system comprises two sludge bins, metering equipment and FU conveyors which are matched with each other are arranged outside a discharge port of each sludge bin, and a corresponding distributing system is arranged outside each FU conveyor; each material distribution system comprises a material conveying pipe matched with the discharge port of the corresponding FU conveyor, electric three-way valves are mounted on the material conveying pipes, two outlets of each electric three-way valve are respectively connected to corresponding feeding points of the decomposing furnace through a material discharging pipe, and an electric impeller feeder and a pneumatic gate valve are mounted on each material discharging pipe. The broken sludge particles pass through the sludge distribution system to enter the cement kiln decomposing furnace at multiple points, so that the combustion efficiency of the sludge in the decomposing furnace is improved, the co-treatment of 1t of dried municipal sludge with the water content of 40% affects the clinker yield to be less than or equal to 0.8t, and the treatment of large mixing amount of the sludge is realized.
The cement kiln cooperative disposal system for crushing, coupling and distributing the large-volume dried sludge into the furnace is characterized in that: the sludge bin and the corresponding metering equipment are connected through connecting pipes, and a gate valve is installed on each connecting pipe.
The cement kiln cooperative disposal system for crushing, coupling and distributing the large-volume dried sludge into the furnace is characterized in that: the automobile discharging bin and the grab bucket bin are communicated with the full-closed plate feeding machine through communicating pipes respectively.
The cement kiln cooperative disposal system for crushing, coupling and distributing the large-volume dried sludge into the furnace is characterized in that: the metering equipment is a metering scale.
The elevator adopts rust-resistant material, carries whole sealed negative pressure deodorization.
The odor purification system comprises an odor collection system and a deodorization induced draft fan. The odor of the equipment such as a fully-closed plate feeding machine, a fully-closed conveyor, a lifter, a sludge crushing and scattering machine and the like is collected, sent into a section of fan of a kiln head grate cooler through a deodorizing draught fan and blown into the grate cooler, and subjected to high-temperature incineration treatment at the temperature of more than 1400 ℃.
The dried municipal sludge is crushed and then enters the cement kiln for cooperative treatment, so that the production of the cement kiln is stabilized, the cooperative treatment amount is increased, the influence on the yield of cement clinker is small, the quality of the clinker is not influenced, and the technical problem that the moisture and the form of the municipal sludge are unfavorable for the operation of the cement kiln is fundamentally solved.
Compared with the prior art of disposing municipal sludge in coordination with a cement kiln, the utility model has the advantages that:
(1) After the coupling crushing, the powdery sludge is burnt in a decomposing furnace, so that the material consumption and the coal consumption are reduced.
(2) Through the material distribution system, the sludge is fed into the furnace at multiple points to cooperate, the production can be stabilized, the quality is not influenced, and the influence on the yield of the clinker is greatly reduced.
(3) The cement kiln grate cooler is used as odor purifying equipment, and the odor is subjected to high-temperature incineration treatment at the temperature of more than 1400 ℃, so that the environment is not polluted.
(4) Advanced system, reliable equipment, energy conservation, emission reduction and environmental protection.
(5) The automation degree is high, and the intellectualization can be realized.
Drawings
FIG. 1 is a diagram of a cement kiln co-processing system for crushing and coupling large-volume dried sludge into a furnace.
In the figure: 1 is a grate cooler, 2 is a preheater decomposing furnace, 3 is a municipal sludge receiving and conveying system, 4 is a sludge crushing, metering and distributing system, and 5 is an odor purifying system.
Figure 2 is a diagram of the system for feeding the material into the furnace.
In the figure: 4-4a is a sludge bin a,4-4a1 is a gate valve a,4-5a is a connecting pipe a,4-6a is a scale, 4-7-a1 is an FU conveyor, 4-7-a2 is an electric three-way valve, 4-7-a31 and 4-7-a32 are blanking pipes, 4-7-a41 and 4-7-a42 are electric impeller feeders, and 4-7-a51 and 4-7-a52 are pneumatic high-temperature-resistant gate valves;
4-4b is a sludge bin b,4-4b1 is a gate valve b,4-5b is a connecting pipe b,4-6b is a metering scale, 4-7-b1 is an FU conveyor, 4-7-b2 is an electric three-way valve, 4-7-b31 and 4-7-b32 are blanking pipes, 4-7-b41 and 4-7-b42 are electric impeller feeders, and 4-7-b51 and 4-7-b52 are pneumatic high-temperature-resistant gate valves.
FIG. 3 is the distribution diagram of the position of the discharge point of the preheater decomposing furnace of the present invention.
2-1 is a decomposing furnace, MC1 is a high left feeding point of the decomposing furnace, MC2 is a high right feeding point of the decomposing furnace, MC3 is a low front feeding point of the decomposing furnace, and MC4 is a low rear feeding point of the decomposing furnace.
Detailed Description
In order to further understand the contents, features and functions of the present invention, the present invention will be further described with reference to the accompanying drawings and embodiments.
As shown in figure 1, the cement kiln cooperative disposal system for crushing, coupling, distributing and feeding the large-volume dried sludge into the kiln comprises a grate cooler 1, a preheater decomposing furnace 2, a municipal sludge receiving and conveying system 3, a sludge crushing, metering and distributing system 4 and an odor purifying system 5 in a novel dry cement clinker production line.
Municipal sludge receiving and conveying system: the municipal sludge with the water content less than or equal to 40 percent is poured into an automobile discharging bin 3-1 through a special sealing vehicle and is sent into a full-closed plate feeding machine 3-7 through a connecting pipe 3-2; or the special sealed vehicle is unloaded to the sludge storage 3-3, sent into the grab bucket 3-5 through the grab bucket 3-4 and sent into the fully-closed plate feeder 3-7 through the communicating pipe 3-6. And (3) feeding the materials by a fully-closed plate feeding machine 3-7 to a fully-closed conveyor 3-8, and finally feeding the materials into a sludge crushing, metering and distributing system 4 by a lifting machine 3-9, wherein the lifting machine 3-9 is made of an antirust material, and the whole conveying process is sealed and deodorized by negative pressure.
Sludge crushing, metering and distributing system 2: dried sludge enters a sludge crushing and scattering machine 4-2 from a lifter 3-9 through a blanking pipe 4-1, more than 85% of the crushed dried sludge has the particle size of less than or equal to 5mm, enters a sludge bin 4-4 through a communicating pipe 4-3, enters a metering scale 4-6 through a blanking pipe 4-5, is metered, and is fed into a preheater decomposing furnace 2 through a material distributing system 4-7 as alternative fuel.
Odor purification system 5: the odor of equipment such as a fully-closed plate feeder, a fully-closed conveyor, a lifter, a sludge crushing and scattering machine and the like is collected by an odor collecting system 5-1, then is sent to a section of fan 1-1 of a kiln head grate cooler 1 by a deodorizing induced draft fan 5-2 to be blown into the grate cooler 1-2, and is subjected to high-temperature incineration treatment at the temperature of more than 1400 ℃.
A material distribution system 4-7: the crushed sludge respectively enters a sludge bin 4-4a and a sludge bin 4-4b, the powdery sludge in the sludge bin 4-4a enters a metering scale 4-6a through a connecting pipe 4-5a, a gate valve 4-4a1 is arranged on the connecting pipe 4-5a, the metered sludge enters an FU conveyor 4-7-a1, the sludge is discharged to an electric three-way valve 4-7-a2 and then divided into two paths, one path is sent to the high left MC1 position of a decomposing furnace 2-1 through a discharging pipe 4-7-a31, and the discharging pipe 4-7-a31 is provided with an electric impeller feeder 4-7-a41 and a pneumatic gate valve 4-7-a51; one path is sent to the position of the high right MC2 of the decomposing furnace 2-1 through a discharging pipe 4-7-a32, and the discharging pipe 4-7-a32 is provided with an electric impeller feeder 4-7-a42 and a pneumatic gate valve 4-7-a52. Powdery sludge in the sludge bin 4-4b enters a metering scale 4-6b through a connecting pipe 4-5b, a gate valve 4-4b1 is arranged on the connecting pipe 4-5b, the metered sludge enters an FU conveyor 4-7-b1 and is discharged to an electric three-way valve 4-7-b2, then the sludge is divided into two paths, one path is sent to the MC3 position on the front lower side of the decomposing furnace 2-1 through a discharging pipe 4-7-b31, and the discharging pipe 4-7-b31 is provided with an electric impeller feeder 4-7-b41 and a pneumatic gate valve 4-7-b51; one path is sent to the MC4 position at the low rear side of the decomposing furnace 2-1 through a discharging pipe 4-7-b32, and the discharging pipe 4-7-b32 is provided with an electric impeller feeder 4-7-b42 and a pneumatic gate valve 4-7-b52.
Claims (5)
1. The cement kiln that the broken coupling of large volume mummification mud was divided and is gone into stove deals with system in coordination, grate cooler, pre-heater dore furnace in novel dry process cement clinker production line still include municipal sludge and receive, conveying system, mud breakage, measurement, branch material system and foul smell clean system, its characterized in that:
the municipal sludge receiving and conveying system comprises an automobile discharging bin, a sludge storage bin, a grab bucket and a grab bucket bin which are matched with each other, and a fully-closed plate feeding machine, a fully-closed conveyor and a lifter which are matched with each other;
the municipal sludge with the water content less than or equal to 40 percent is poured into an automobile unloading bin or a sludge storage bin through a special sealed vehicle, the municipal sludge in the automobile unloading bin is directly fed into a full-closed plate feeding machine, and the municipal sludge in the sludge storage bin is fed into a grab bin through a grab bucket and then fed into the full-closed plate feeding machine; the fully-closed plate feeding machine feeds materials to a fully-closed conveyor matched with the fully-closed plate feeding machine, and finally the materials are fed into a sludge crushing, metering and distributing system through a lifting machine;
the municipal sludge is fed from a lifting machine and then enters the sludge crushing and scattering machine, sludge powder is obtained after crushing and scattering, more than 85% of the sludge powder has the particle size of less than or equal to 5mm, and then the sludge powder enters the sludge bin and is metered by the metering device and then is respectively fed into different feeding points in the preheater decomposing furnace as alternative fuel through the distributing system;
the odor purification system comprises an odor collection system used for a municipal sludge receiving and conveying system and a sludge crushing, metering and distributing system, a deodorization draught fan is installed on an air outlet pipeline of the odor collection system, and odor collected by the odor collection system is sent into a first-section fan of the kiln head grate cooler by the deodorization draught fan to be blown into the grate cooler and is subjected to high-temperature incineration treatment at the temperature of more than 1400 ℃.
2. The cement kiln co-processing system for crushing the large-volume dried sludge coupled with the split charging according to claim 1, which is characterized in that: the sludge crushing, metering and distributing system comprises two sludge bins, metering equipment and FU conveyors which are mutually matched are arranged outside a discharge port of each sludge bin, and a corresponding distributing system is arranged outside each FU conveyor; each material distribution system comprises a material conveying pipe matched with a discharge port of a corresponding FU conveyor, an electric three-way valve is mounted on each material conveying pipe, two outlets of each electric three-way valve are respectively connected into corresponding feeding points of the decomposing furnace through a discharging pipe, and an electric impeller feeder and a pneumatic gate valve are mounted on each discharging pipe.
3. The cement kiln co-processing system for crushing the large-volume dried sludge coupled with the split charging according to claim 2, which is characterized in that: the sludge bin and the corresponding metering equipment are connected through connecting pipes, and a gate valve is installed on each connecting pipe.
4. The cement kiln co-processing system for crushing the large-volume dried sludge coupled with the split charging according to claim 1, which is characterized in that: the automobile discharging bin and the grab bucket bin are communicated with the full-closed plate feeding machine through communicating pipes respectively.
5. The cement kiln co-processing system for crushing the large-volume dried sludge coupled with the split charging according to claim 2, which is characterized in that: the metering equipment is a metering scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221831274.1U CN217677230U (en) | 2022-07-15 | 2022-07-15 | Cement kiln cooperative disposal system for crushing, coupling, distributing and feeding large-volume dried sludge into furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221831274.1U CN217677230U (en) | 2022-07-15 | 2022-07-15 | Cement kiln cooperative disposal system for crushing, coupling, distributing and feeding large-volume dried sludge into furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217677230U true CN217677230U (en) | 2022-10-28 |
Family
ID=83717084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221831274.1U Active CN217677230U (en) | 2022-07-15 | 2022-07-15 | Cement kiln cooperative disposal system for crushing, coupling, distributing and feeding large-volume dried sludge into furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217677230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116697363A (en) * | 2023-07-14 | 2023-09-05 | 华润水泥技术研发有限公司 | Cement kiln co-treatment sludge device |
-
2022
- 2022-07-15 CN CN202221831274.1U patent/CN217677230U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116697363A (en) * | 2023-07-14 | 2023-09-05 | 华润水泥技术研发有限公司 | Cement kiln co-treatment sludge device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101570388B (en) | Harmless recycling treatment process for urban sludge | |
| CN107339702B (en) | Method for cooperatively treating urban and rural domestic garbage by using cement kiln | |
| CN108083607A (en) | A kind of sludge drying coupling coal generating system and method | |
| CN207659297U (en) | Sludge drying couples coal generating system | |
| CN109899802A (en) | Drying particles sludge cooperates with power generation by waste combustion system and method with rubbish in grate furnace | |
| CN105889909A (en) | Large fluidized bed boiler blending combustion system | |
| CN217677230U (en) | Cement kiln cooperative disposal system for crushing, coupling, distributing and feeding large-volume dried sludge into furnace | |
| CN101538110A (en) | Sludge drying method combining residual heat of flue gas of boiling furnace and thermal power plant and device system thereof | |
| CN104048297B (en) | Cement kiln cooperative processing combustible waste and by-pass exhaust power generation complementary system | |
| CN206112977U (en) | Mixed powder process system of coal and mud coupling burning electricity generation | |
| CN210320070U (en) | Circulating fluidized bed boiler with direct sludge blending combustion system | |
| CN207729577U (en) | A kind of comprehensive generating system of mixed firinor fuel burning | |
| CN210035511U (en) | System for generating power by drying and granulating sludge and incinerating garbage in cooperation in grate furnace | |
| CN206721136U (en) | A kind of biomass and city solid waste comprehensive utilization device | |
| CN203582743U (en) | Three-way kiln inlet treatment device for cement kiln household garbage | |
| CN215112631U (en) | Comprehensive treatment system for household garbage, sludge and industrial solid waste | |
| CN105481227A (en) | Wet sludge drying method, wet sludge drying drier and cement kiln system | |
| CN204356237U (en) | With the quality coal in cement kiln systems of grate-cooler disposing sludge | |
| CN209383636U (en) | Power plant's coupled system of sludge drying is carried out using flyash | |
| CN204356208U (en) | A kind of quality coal in cement kiln systems of disposing sludge | |
| CN210148351U (en) | Fly ash ceramsite manufacturing production line | |
| CN212476506U (en) | System for treating coal slime sludge by utilizing fan coal mill | |
| CN1414293A (en) | Garbage drying method | |
| CN111365728A (en) | Garbage and biomass coupling power generation system and method | |
| CN104496134A (en) | Method for treating sludge by using cement kiln, and cement kiln system for treating sludge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230302 Address after: 230041 No. 60, Wangjiang East Road, Baohe District, Hefei City, Anhui Province Patentee after: HEFEI CEMENT RESEARCH & DESIGN INSTITUTE Corp.,Ltd. Patentee after: Guangzhou City Yuebao Cement Co.,Ltd. Patentee after: CHINA RESOURCES CEMENT TECHNOLOGY RESEARCH DEVELOPMENT Co.,Ltd. Address before: 230041 No. 60, Wangjiang East Road, Baohe District, Hefei City, Anhui Province Patentee before: HEFEI CEMENT RESEARCH & DESIGN INSTITUTE Corp.,Ltd. |
|
| TR01 | Transfer of patent right |