CN202643514U - Efficient energy-saving sludge treatment system - Google Patents
Efficient energy-saving sludge treatment system Download PDFInfo
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- CN202643514U CN202643514U CN 201220241169 CN201220241169U CN202643514U CN 202643514 U CN202643514 U CN 202643514U CN 201220241169 CN201220241169 CN 201220241169 CN 201220241169 U CN201220241169 U CN 201220241169U CN 202643514 U CN202643514 U CN 202643514U
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- sludge
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- induced draft
- draft fan
- mud
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Abstract
The utility model belongs to the technical field of sludge incineration. and provides an efficient energy-saving sludge incineration treatment system, which comprises a sludge treatment sub system and a smoke gas circulating sub system, wherein the sludge treatment sub system comprises a power belt filter press, a shaftless screw conveyor, a rotary sludge drying and granulating device, a conveyor and a fire coal adding device, which are connected with each other by pipelines in sequence; a conveying belt of the conveyor is connected with an incineration boiler; the smoke gas circulating sub system comprises the incineration boiler, an air valve, a first electric gate valve, a rotary sludge drying and granulating device, a second electric gate valve, a multi-tube cyclone dust collector and a first induced draft fan, which are connected with one another by pipelines in sequence; and the smoke gas circulating sub system further comprises an electric dust collector, a second induced draft fan and a chimney. Through the adoption of the efficient energy-saving sludge incineration treatment system provided by the utility model, the heat energy is saved, the incineration efficiency and the resource utilization are greatly enhanced, and the purposes of high efficiency and energy conservation are really achieved; and each production equipment of the whole system can be used for continuous automatic production without manual operation, and the high efficiency is achieved.
Description
Technical field
The utility model relates to a kind of sludge treatment equipment, is specifically related to the mechanize incineration treatment technology field of paper mill sludge.
Background technology
Treatment process take incineration technology as core is sludge treating method the most thoroughly, is the treatment process that developed country begins generally to adopt.The advantage of burning and processing sludge is that occupied ground is little, processes fast, measures greatly, and decrement is obvious, alleviate the landfill soil that is becoming tight day, heavy metal in the lime-ash be difficult for to leach, and can kill pathogenic bacteria, parasitic ovum and recovery heat energy, also can be used as material of construction or pave the way etc.
Sludge incineration method mainly contains two large classes: a class is directly to send incinerator to burn dewatered sludge, and another kind of is that the mummification of dewatered sludge elder generation is burned again.At present domesticly generally adopt high pressure sludge dewatering equipment and rolling pressing type mud dewaterer in sludge dewatering.
Burn the softening temperature that wet mud (water ratio is 60% below) can reduce temperature and burning ash in the incinerator owing to directly mixing, increase the flying dust generation, increase dedusting and gas cleaning and load, reduction system thermal efficiency 3%～4%, and cause the problem such as low temperature corrosion.Therefore recommend at present the mummification of dewatered sludge elder generation is burned again.
The method mechanization degree that sludge dewatering is burned again of domestic present use is low, and a lot of operations need manpower, and processing speed is slow, and inefficiency can not accomplish to make mud with producing with disappearing, and reduces place pressure.Simultaneously, huge for the heat energy that consumes in the burning of mud and the granulation, cost is high.
Summary of the invention
The purpose of this utility model solves above-mentioned prior art problem exactly, and a kind of energy-efficient sludge treating system is provided, and this system can high efficiency continuous mechanized carry out the sludge incineration processing, utilizes simultaneously residual heat from boiler fume to replace mud granule oven dry heat energy.
For reaching above-mentioned purpose, the technical scheme that the utility model is taked is as follows:
A kind of energy-efficient formula Disposal System of Mud Burning comprises sludge treatment subsystem and flue gas recirculation subsystem.
Described sludge treatment subsystem comprises powerful belt filter press, Shaftless screw conveyor, rotary type sludge mummification granulating apparatus, transfer roller and coal-fired adding set, wherein powerful belt filter press, Shaftless screw conveyor, rotary type sludge mummification granulating apparatus, transfer roller and the adding set of being connected connect successively, and conveyer is connected with burning boiler;
Described flue gas recirculation subsystem comprises burning boiler, air-valve, the first electric gate valve, rotary type sludge mummification granulating apparatus, the second electric gate valve, multicyclone, the first induced draft fan, electric precipitator, the second induced draft fan and chimney, burning boiler wherein, air-valve, the first electric gate valve, rotary type sludge mummification granulating apparatus, the second electric gate valve, multicyclone be connected induced draft fan and connect by pipeline successively, connecting tube at air-valve and the first induced draft fan is provided with a smoke discharging pipe, sets gradually electric precipitator on this smoke discharging pipe, the second induced draft fan and chimney.
Above-mentioned energy-efficient formula Disposal System of Mud Burning, air-valve are directly controlled flue gas trend, lead to rotary type sludge mummification granulating apparatus and then heat mud granule, when not required then directly by behind the electric precipitator, the second induced draft fan and chimney discharge.
Above-mentioned energy-efficient formula Disposal System of Mud Burning, described air-valve, the equal automatization control of motorized valve.
The continuous mechanized Disposal System of Mud Burning that the utility model provides, the belt filter press of selecting does not need vacuum or pressurizing device, and power consumption is few, can produce continuously; The sludge drying granulating equipment of selecting can well utilize thermal source to carry out mud granulizing; The mud of the flue gas of boiler that utilizes heat power plant after to granulation is further dried, and makes the more loose drying of mud granule, is beneficial to burning, has saved heat energy, and firing efficiency and recycling are greatly improved, and really accomplish energy-efficient; But each production unit continuous automatic production of whole system can not need manual operation to carry out, and efficient is high.
Below in conjunction with drawings and Examples the technical solution of the utility model is done clearly explanation:
Description of drawings
Fig. 1 is energy-efficient formula sludge treating system structural representation described in the utility model.
Embodiment
As shown in Figure 1, energy-efficient formula Disposal System of Mud Burning described in the utility model, comprise sludge treatment subsystem and flue gas recirculation subsystem, described sludge treatment subsystem comprises powerful belt filter press, Shaftless screw conveyor, rotary type sludge mummification granulating apparatus, transfer roller and coal-fired adding set, wherein powerful belt filter press, Shaftless screw conveyor, rotary type sludge mummification granulating apparatus, transfer roller and the adding set of being connected connect successively, and conveyer is connected with burning boiler; Described flue gas recirculation subsystem comprises burning boiler, air-valve, the first electric gate valve, rotary type sludge mummification granulating apparatus, the second electric gate valve, multicyclone, the first induced draft fan, electric precipitator, the second induced draft fan and chimney, burning boiler wherein, air-valve, the first electric gate valve, rotary type sludge mummification granulating apparatus, the second electric gate valve, multicyclone be connected induced draft fan and connect by pipeline successively, connecting tube at air-valve and the first induced draft fan is provided with a smoke discharging pipe, sets gradually electric precipitator on this smoke discharging pipe, the second induced draft fan and chimney.
Above-mentioned energy-efficient formula Disposal System of Mud Burning, air-valve are directly controlled flue gas trend, lead to rotary type sludge mummification granulating apparatus and then heat mud granule, when not required then directly by behind the electric precipitator, the second induced draft fan and chimney discharge.
Above-mentioned energy-efficient formula Disposal System of Mud Burning, configuration mud transfer roller guarantees the continuous conveying of mud before powerful belt filter press.
Above-mentioned energy-efficient formula Disposal System of Mud Burning, described air-valve, the equal automatization control of motorized valve.
The belt filter press that the utility model adopts is applied to pressure on the filter cloth, and pressure and the tension force of regulating filter cloth cause the pressure difference on filtration medium two sides, and sludge water content is forced through filtration medium, forms filtrate; And solid particulate is trapped within on the medium, forms filter cake, thereby reaches the purpose of dehydration.This equipment does not need vacuum or pressure exerting device, and power consumption is few, can produce continuously.
Whole incineration system of the present utility model, project organization are both compact, efficient again, and operation and maintenance is convenient.And automatic feed control and program control system form, and level of automation is high, have guaranteed the stability of equipment operation, can unattendedly move.
Sludge incinerating system of the present utility model in the situation that do not add any assistant medicament, adopts the mechanical dehydration method that moisture percentage in sewage sludge is down to 50% from 80%; Then enter the low temperature desiccation apparatus, little walk in desiccation apparatus by rapidly broken, be dispersed into loose particulate state, sufficient surface-area and mesopore and flue gas heat exchange are arranged and mummification makes it to become the looser finished product mud pellet of diameter, through drying particles, its water ratio can drop to about 35%.The finished product mud pellet can be used as auxiliary fuel and mixes in the fire coal, adds the burning boiler burning.
Boiler unit flue tail gas is delivered to sludge drying in installing, the part heat is passed to wet mud after, enter electric dust collector and purify, enter atmosphere by blower fan through chimney at last.The finished product mud pellet can be used as auxiliary fuel and mixes in the fire coal, adds the burning boiler burning.
Contain a large amount of organic combustiblesubstances in the paper mill sludge, sludge treating system of the present utility model adopts the again low temperature mummification of dewatering of first machinery, organic combustiblecomponents of the finished product mud after the mummification is substantially intact, the net calorific value of finished product dewatered sludge is all about 1850kcal/kg, in 850 yuan/tons of the coal prices of 5000kcal/kg thermal value, dewatered sludge per ton is about 314.5 yuan as the economic benefit of auxiliary fuel, and the wet mud of amounting to into 80% water ratio is 62.9 yuan/tons.
Claims (3)
1. an energy-efficient formula Disposal System of Mud Burning is characterized in that comprising sludge treatment subsystem and flue gas recirculation subsystem
Described sludge treatment subsystem comprises powerful belt filter press, Shaftless screw conveyor, rotary type sludge mummification granulating apparatus, transfer roller and coal-fired adding set, wherein powerful belt filter press, Shaftless screw conveyor, rotary type sludge mummification granulating apparatus, transfer roller and the adding set of being connected connect successively, and conveyer is connected with burning boiler;
Described flue gas recirculation subsystem comprises burning boiler, air-valve, the first electric gate valve, rotary type sludge mummification granulating apparatus, the second electric gate valve, multicyclone, the first induced draft fan, electric precipitator, the second induced draft fan and chimney, burning boiler wherein, air-valve, the first electric gate valve, rotary type sludge mummification granulating apparatus, the second electric gate valve, multicyclone be connected induced draft fan and connect by pipeline successively, connecting tube at air-valve and the first induced draft fan is provided with a smoke discharging pipe, sets gradually electric precipitator on this smoke discharging pipe, the second induced draft fan and chimney.
2. energy-efficient formula Disposal System of Mud Burning as claimed in claim 1 is characterized in that: the mud transfer roller is set before powerful belt filter press.
3. energy-efficient formula Disposal System of Mud Burning as claimed in claim 1 is characterized in that: the equal automatization control of air-valve, the first motorized valve and the second motorized valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220241169 CN202643514U (en) | 2012-05-23 | 2012-05-23 | Efficient energy-saving sludge treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220241169 CN202643514U (en) | 2012-05-23 | 2012-05-23 | Efficient energy-saving sludge treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202643514U true CN202643514U (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220241169 Expired - Fee Related CN202643514U (en) | 2012-05-23 | 2012-05-23 | Efficient energy-saving sludge treatment system |
Country Status (1)
| Country | Link |
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| CN (1) | CN202643514U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103785670A (en) * | 2014-01-27 | 2014-05-14 | 浙江永泰纸业集团股份有限公司 | Method for harmless treatment of waste residue in paper making |
| CN104016558A (en) * | 2013-03-01 | 2014-09-03 | 上海科锐驰化工装备技术有限公司 | Method and device for drying sludge |
| CN108423971A (en) * | 2018-06-06 | 2018-08-21 | 四川川润环保能源科技有限公司 | A kind of cement energy-saving production system and method for administering haze |
-
2012
- 2012-05-23 CN CN 201220241169 patent/CN202643514U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016558A (en) * | 2013-03-01 | 2014-09-03 | 上海科锐驰化工装备技术有限公司 | Method and device for drying sludge |
| CN103785670A (en) * | 2014-01-27 | 2014-05-14 | 浙江永泰纸业集团股份有限公司 | Method for harmless treatment of waste residue in paper making |
| CN108423971A (en) * | 2018-06-06 | 2018-08-21 | 四川川润环保能源科技有限公司 | A kind of cement energy-saving production system and method for administering haze |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20170523 |
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| CF01 | Termination of patent right due to non-payment of annual fee |