CN103011545A - Sludge drying and energy recovering system and energy recovering and drying process thereof - Google Patents
Sludge drying and energy recovering system and energy recovering and drying process thereof Download PDFInfo
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- CN103011545A CN103011545A CN2012105155404A CN201210515540A CN103011545A CN 103011545 A CN103011545 A CN 103011545A CN 2012105155404 A CN2012105155404 A CN 2012105155404A CN 201210515540 A CN201210515540 A CN 201210515540A CN 103011545 A CN103011545 A CN 103011545A
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Abstract
The invention discloses a sludge drying and energy recovering system and an energy recovering and drying process thereof. The system comprises a sludge storing chamber and is characterized in that the air outlet of the sludge storing chamber is connected with a deodorization reactor by a fan I, the sludge discharge port of the sludge storing chamber is connected with the sludge feed port of one end of a drying machine via a sludge pump, and the other end of the drying machine is provided with a sludge discharge port. By using the indirect drying manner in the system, the heat transfer efficiency is high, the amount of carrier gas is low, the heat loss is relatively low, the energy recovering rate is high, the dust is avoided basically, and the system can be used for drying the sludge with the water content of 70-85% to be the sludge with the solid content of 40-65%.
Description
Technical field
The present invention relates to the technical field of sludge drying, specifically a kind of sludge drying and energy-recuperation system, particularly its system's syndeton and energy recovery drying process.
Background technology
Along with China's rapid development of economy, the continuous quickening of urbanization and town development paces, industry and sanitary sewage quantity discharged are increasing, consequent sludge quantity (mud that comprises drainage pipeline, pumping plant and sewage work) is increasing. and sludge of sewage treatment plant is as the byproduct of sewage disposal, if untimely processing will cause serious secondary pollution.The main treatment technology of mud has landfill, compost, burning, building materials utilization etc. at present, and these processing disposal technologies must pass through this process of mummification.The main Existence dependency dewatered sludge of existing drying technique and equipment back-mixing, heating system heat exchange efficiency are low, the shortcomings such as the heat loss amount is large, Dust Capacity is high, restricted the development of ﹠ Mud technology, so the development of new sludge drying device there is vital effect for solving current day by day serious sludge problem.Mud thin layer drying technique is a kind of sludge drying technique of efficient, energy-conservation, safety and environmental protection, now research and develop a kind of sludge drying and energy-recuperation system, be mainly used in the mummification water ratio and be 70% ~ 85% mud, make mud after the mummification reach the water content requirement of final processing disposal technology.
Summary of the invention
The object of the present invention is to provide a kind of sludge drying and energy-recuperation system and energy recovery drying process thereof, calorific loss is lower, and energy recovery rate is high, does not substantially have dust, can be that 70% ~ 85% sludge drying is to solid content 40%-65% with water ratio.
To achieve these goals, technical scheme of the present invention is: a kind of sludge drying and energy-recuperation system, it comprises the mud locker room, it is characterized in that: the air outlet of mud locker room is connected with deodorizing reactor by a blower fan, the mud discharging mouth of mud locker room is connected by the sludge inlet of sludge pump with desiccation machine one end, and the desiccation machine the other end is provided with the mud discharge port.
The drying process of a kind of sludge drying and energy-recuperation system, it is characterized in that: described sludge drying process is as follows, at first the mud car is poured onto the mud locker room with mud, form seal cavity in the mud locker room, form negative pressure state by an exhaust fan, the body of bleeding enters into and carries out the deodorizing processing in the deodorizing reactor, mud in the mud locker room is drawn in the desiccation machine by sludge pump, this desiccation machine is the dividing wall type drying equipment, such as thin layer desiccation machine or disc type desiccation machine, thermal medium provides thermal source by sludge drying machine for sludge drying, mud is discharged from the mud discharge port to the solid content of solid content 40%-65% by mummification, above-mentioned thermal medium forms thermal loop by the boiler heating steam, the waste gas that produces in the drying process is extracted out by No. two blower fans from waste gas outlet, at first enter into tornado dust collector and carry out dust removal process, then enter into gas-to-gas heat exchanger as thermal source, tail gas through heat exchange enters into condenser again, condensed gas enters into gas-to-gas heat exchanger as heat-eliminating medium and heats up, and enter in the desiccation machine by gas returning port, the carrier gas of the steam that is evaporated as mud, take steam out of desiccation machine, gas behind process gas-to-gas heat exchanger and condenser enters into the pipeline place that is back between the gas-to-gas heat exchanger and is provided with additional gas inlet, and can regulate the tolerance of replenishing air, the phlegma that produces in gas-to-gas heat exchanger and the condenser in this process is drained in the phlegma pond, delivers to Sewage Plant and processes.
This case discloses a kind of sludge drying and energy-recuperation system and energy recovery drying process thereof, this system adopts indirect type mummification mode, heat transfer efficiency is high, load volume is little, calorific loss is lower, energy recovery rate is high, does not substantially have dust, can be that 70% ~ 85% sludge drying is to solid content 40%-65% with water ratio.
Description of drawings
Fig. 1 is sludge drying of the present invention and energy-recuperation system structural representation thereof.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
The invention discloses a kind of sludge drying and energy-recuperation system, it comprises mud locker room 1, it is different from prior art and is: the air outlet of mud locker room 1 is connected with deodorizing reactor 3 by a blower fan 2, the mud discharging mouth of mud locker room 1 is connected with the sludge inlet of desiccation machine 5 one ends by sludge pump 4, and desiccation machine 5 the other ends are provided with the mud discharge port.
In the specific implementation, described desiccation machine 5 one ends are provided with waste gas outlet, this waste gas outlet is connected with tornado dust collector 6 one ends by pipeline, these tornado dust collector 6 the other ends are connected with gas-to-gas heat exchanger 8 first inlet ends by No. two blower fans 7, gas-to-gas heat exchanger 8 first exit end are connected with condenser 9 one ends, condenser 9 the other ends are connected with gas-to-gas heat exchanger 8 second inlet ends, and gas-to-gas heat exchanger 8 second exit end are connected with the gas returning port of the other end of desiccation machine 5.
In the specific implementation, described desiccation machine 5 is provided with water vapour pipeline 10 near the end, these water vapour pipeline 10 1 ends are connected near the end with desiccation machine 5, water vapour pipeline 10 the other ends are connected with the inlet mouth of boiler 11, the air outlet of boiler 11 is connected with return line 12 1 ends, and return line 12 the other ends are connected near the front end place with desiccation machine 5.
In the specific implementation, described sludge drying process is as follows, at first the mud car is poured onto mud locker room 1 with mud, mud locker room 1 interior formation seal cavity, by a blower fan 2 formation negative pressure state of bleeding, the body of bleeding enters into and carries out the deodorizing processing in the deodorizing reactor 3, mud in the mud locker room 1 is drawn in the desiccation machine 5 by sludge pump 4, this desiccation machine is the dividing wall type drying equipment, such as thin layer desiccation machine or disc type desiccation machine, thermal medium provides thermal source by sludge drying machine for sludge drying, mud is discharged from the mud discharge port to the solid content of solid content 40%-65% by mummification, above-mentioned thermal medium forms thermal loop by the boiler heating steam, the waste gas that produces in the drying process is extracted out by No. two blower fans 7 from waste gas outlet, at first enter into tornado dust collector 6 and carry out dust removal process, then enter into gas-to-gas heat exchanger 8 as thermal source, tail gas through heat exchange enters into condenser 9 again, condensed gas enters into gas-to-gas heat exchanger 8 as heat-eliminating medium and heats up, and enter in the desiccation machine by gas returning port, the carrier gas of the steam that is evaporated as mud, take steam out of desiccation machine, gas behind process gas-to-gas heat exchanger 8 and condenser 9 enters into the pipeline place that is back between the gas-to-gas heat exchanger 8 and is provided with additional gas inlet, and can regulate the tolerance of replenishing air, the phlegma that produces in gas-to-gas heat exchanger 8 and the condenser 9 in this process is drained in the phlegma pond 13, delivers to Sewage Plant and processes.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that implementation of the present invention is confined to above-mentioned these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (4)
1. a sludge drying and energy-recuperation system, it comprises mud locker room (1), it is characterized in that: the air outlet of mud locker room (1) is connected with deodorizing reactor (3) by a blower fan (2), the mud discharging mouth of mud locker room (1) is connected with the sludge inlet of desiccation machine (5) one ends by sludge pump (4), and desiccation machine (5) the other end is provided with the mud discharge port.
2. a kind of sludge drying according to claim 1 and energy-recuperation system, it is characterized in that: described desiccation machine (5) one ends are provided with waste gas outlet, this waste gas outlet is connected with tornado dust collector (6) one ends by pipeline, these tornado dust collector (6) the other end is connected with gas-to-gas heat exchanger (8) first inlet ends by No. two blower fans (7), gas-to-gas heat exchanger (8) first exit end are connected with condenser (9) one ends, condenser (9) the other end is connected with gas-to-gas heat exchanger (8) second inlet ends, and gas-to-gas heat exchanger (8) second exit end are connected with the gas returning port of the other end of desiccation machine (5).
3. a kind of sludge drying according to claim 1 and energy-recuperation system, it is characterized in that: described desiccation machine (5) is provided with water vapour pipeline (10) near the end, these water vapour pipeline (10) one ends are connected near the end with desiccation machine (5), water vapour pipeline (10) the other end is connected with the inlet mouth of boiler (11), the air outlet of boiler (11) is connected with return line (12) one ends, and return line (12) the other end is connected near the front end place with desiccation machine (5).
4. the drying process of a sludge drying and energy-recuperation system, it is characterized in that: described sludge drying process is as follows, at first the mud car is poured onto mud locker room (1) with mud, form seal cavity in the mud locker room (1), by a blower fan (2) the formation negative pressure state of bleeding, the body of bleeding enters into and carries out the deodorizing processing in the deodorizing reactor (3), mud in the mud locker room (1) is drawn in the desiccation machine (5) by sludge pump (4), this desiccation machine is the dividing wall type drying equipment, such as thin layer desiccation machine or disc type desiccation machine, thermal medium provides thermal source by sludge drying machine for sludge drying, mud is discharged from the mud discharge port to the solid content of solid content 40%-65% by mummification, above-mentioned thermal medium forms thermal loop by the boiler heating steam, the waste gas that produces in the drying process is extracted out by No. two blower fans (7) from waste gas outlet, at first enter into tornado dust collector (6) and carry out dust removal process, then enter into gas-to-gas heat exchanger (8) as thermal source, tail gas through heat exchange enters into condenser (9) again, condensed gas enters into gas-to-gas heat exchanger (8) as heat-eliminating medium and heats up, and enter in the desiccation machine by gas returning port, the carrier gas of the steam that is evaporated as mud, take steam out of desiccation machine, gas behind process gas-to-gas heat exchanger (8) and condenser (9) enters into the pipeline place that is back between the gas-to-gas heat exchanger (8) and is provided with additional gas inlet, and can regulate the tolerance of replenishing air, the phlegma that produces in gas-to-gas heat exchanger in this process (8) and the condenser (9) is drained in the phlegma pond, delivers to Sewage Plant and processes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210515540.4A CN103011545B (en) | 2012-12-05 | 2012-12-05 | A kind of sludge drying and energy-recuperation system and its energy regenerating drying process |
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| CN201210515540.4A CN103011545B (en) | 2012-12-05 | 2012-12-05 | A kind of sludge drying and energy-recuperation system and its energy regenerating drying process |
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| CN103011545B CN103011545B (en) | 2018-01-16 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104341084A (en) * | 2013-08-02 | 2015-02-11 | 天华化工机械及自动化研究设计院有限公司 | Energy-saving type dyeing sludge drying system for combined heat and power generation |
| CN105731755A (en) * | 2016-04-06 | 2016-07-06 | 东莞东元环境科技有限公司 | Steam recovery sludge heat pump dryer and energy-saving sludge steam recovery method |
| CN107473566A (en) * | 2017-10-12 | 2017-12-15 | 温志军 | Direct recycling treatment method for water treatment raw mud |
| CN110228933A (en) * | 2019-04-11 | 2019-09-13 | 华辰天诚科技有限公司 | A kind of sludge dry system |
| CN112897830A (en) * | 2021-01-20 | 2021-06-04 | 国能龙源环保有限公司 | Continuous negative-pressure sludge deodorization system and method |
| CN113582501A (en) * | 2021-07-26 | 2021-11-02 | 广东能源集团科学技术研究院有限公司 | Sludge drying system and drying method thereof |
| WO2022267282A1 (en) * | 2021-06-25 | 2022-12-29 | 上海城市水资源开发利用国家工程中心有限公司 | Residual sludge treatment equipment and method combining microbubble ozonation and thin-layer drying |
| CN116904242A (en) * | 2023-08-07 | 2023-10-20 | 国能龙源环保有限公司 | Multi-element solid waste disposal method and system based on coal-fired boiler cooperative disposal |
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| CN102001809A (en) * | 2010-12-07 | 2011-04-06 | 北京机电院高技术股份有限公司 | Belt-type drying complete processing device and method for sludge |
| CN102537973A (en) * | 2012-01-16 | 2012-07-04 | 中昌环保集团有限公司 | Novel process for pyrolysis of solid wastes |
| CN203474614U (en) * | 2012-12-05 | 2014-03-12 | 上海巴安水务股份有限公司 | Sludge drying and energy recycling system |
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Patent Citations (3)
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| CN102001809A (en) * | 2010-12-07 | 2011-04-06 | 北京机电院高技术股份有限公司 | Belt-type drying complete processing device and method for sludge |
| CN102537973A (en) * | 2012-01-16 | 2012-07-04 | 中昌环保集团有限公司 | Novel process for pyrolysis of solid wastes |
| CN203474614U (en) * | 2012-12-05 | 2014-03-12 | 上海巴安水务股份有限公司 | Sludge drying and energy recycling system |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104341084A (en) * | 2013-08-02 | 2015-02-11 | 天华化工机械及自动化研究设计院有限公司 | Energy-saving type dyeing sludge drying system for combined heat and power generation |
| CN104341084B (en) * | 2013-08-02 | 2015-12-02 | 天华化工机械及自动化研究设计院有限公司 | For the energy-saving printing and dyeing sludge dehumidification system of cogeneration |
| CN105731755A (en) * | 2016-04-06 | 2016-07-06 | 东莞东元环境科技有限公司 | Steam recovery sludge heat pump dryer and energy-saving sludge steam recovery method |
| CN105731755B (en) * | 2016-04-06 | 2019-06-11 | 东莞东元环境科技有限公司 | Steam recycles sludge heat pump drying device and energy-saving type sludge water-steam recovery method |
| CN107473566A (en) * | 2017-10-12 | 2017-12-15 | 温志军 | Direct recycling treatment method for water treatment raw mud |
| CN107473566B (en) * | 2017-10-12 | 2021-01-15 | 温志军 | Direct recycling treatment method for water treatment raw mud |
| CN110228933A (en) * | 2019-04-11 | 2019-09-13 | 华辰天诚科技有限公司 | A kind of sludge dry system |
| CN112897830A (en) * | 2021-01-20 | 2021-06-04 | 国能龙源环保有限公司 | Continuous negative-pressure sludge deodorization system and method |
| WO2022267282A1 (en) * | 2021-06-25 | 2022-12-29 | 上海城市水资源开发利用国家工程中心有限公司 | Residual sludge treatment equipment and method combining microbubble ozonation and thin-layer drying |
| CN113582501A (en) * | 2021-07-26 | 2021-11-02 | 广东能源集团科学技术研究院有限公司 | Sludge drying system and drying method thereof |
| CN116904242A (en) * | 2023-08-07 | 2023-10-20 | 国能龙源环保有限公司 | Multi-element solid waste disposal method and system based on coal-fired boiler cooperative disposal |
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| CN103011545B (en) | 2018-01-16 |
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