CN103011545B - A kind of sludge drying and energy-recuperation system and its energy regenerating drying process - Google Patents
A kind of sludge drying and energy-recuperation system and its energy regenerating drying process Download PDFInfo
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- CN103011545B CN103011545B CN201210515540.4A CN201210515540A CN103011545B CN 103011545 B CN103011545 B CN 103011545B CN 201210515540 A CN201210515540 A CN 201210515540A CN 103011545 B CN103011545 B CN 103011545B
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- sludge
- gas
- desiccation machine
- drying
- heat exchanger
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- 239000010802 sludge Substances 0.000 title claims abstract description 90
- 238000001035 drying Methods 0.000 title claims abstract description 44
- 230000001172 regenerating effect Effects 0.000 title abstract description 6
- 239000000428 dust Substances 0.000 claims abstract description 13
- 230000001877 deodorizing effect Effects 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 14
- 239000002912 waste gas Substances 0.000 claims description 10
- 239000010865 sewage Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 239000013589 supplement Substances 0.000 claims description 4
- 239000012159 carrier gas Substances 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- -1 burning Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
This case discloses a kind of sludge drying and energy-recuperation system and its energy regenerating drying process, and it includes sludge locker room, it is characterised in that：The air outlet of sludge locker room is connected by No.1 blower fan with deodorizing reactor, and the mud discharging mouth of sludge locker room is connected by sludge pump with the sludge inlet of desiccation machine one end, and the desiccation machine other end is provided with sludge discharge hole.The system uses indirect type desiccation mode, and heat transfer efficiency is high, and load volume is small, and thermal loss is relatively low, and energy recovery rate is high, can be by sludge drying that moisture content is 70% ~ 85% to solid content 40% 65% substantially without dust.
Description
Technical field
The present invention relates to the technical field of sludge drying, specifically a kind of sludge drying and energy-recuperation system are special
It is not related to its system attachment structure and energy regenerating drying process.
Background technology
With China's rapid development of economy, urbanization and the continuous quickening of town development paces, industrial and life
Quantity of wastewater effluent is increasing, and thing followed sludge quantity (including drainage pipeline, pumping plant and sludge of sewage treatment plant) is more
Carry out byproduct of the bigger sludge of sewage treatment plant as sewage disposal, if serious secondary dirt will be caused not in time by handling
Dye.The main treatment technology of sludge has landfill, compost, burning, building materials to utilize at present, and these processing disposal technologies are inevitable
Will be by this process of desiccation.Existing drying technique and equipment, which are primarily present, relies on dewatered sludge back-mixing, heating system heat exchange effect
The shortcomings of rate is low, and heat loss amount is larger, Dust Capacity is high, the development of specific resistance to filtration technology is constrained, therefore develop new dirt
Mud drying equipment has vital effect for the sludge problem for solving current getting worse.Sludge thin layer drying technique is
A kind of efficient, energy-conservation, the sludge drying technique of safety and environmental protection, now research and develop a kind of sludge drying and energy-recuperation system, main to use
In the sludge that desiccation moisture content is 70% ~ 85%, the sludge after desiccation is set to reach the water content requirement of final process disposal technology.
The content of the invention
It is an object of the invention to provide a kind of sludge drying and energy-recuperation system and its energy regenerating drying process, heat
Amount loss is relatively low, and energy recovery rate is high, can be by sludge drying that moisture content is 70% ~ 85% to solid content substantially without dust
40%-65%。
To achieve these goals, the technical scheme is that：A kind of sludge drying and energy-recuperation system, it includes
Sludge locker room, it is characterised in that：The air outlet of sludge locker room is connected by No.1 blower fan with deodorizing reactor, sludge storage
The mud discharging mouth of room is connected by sludge pump with the sludge inlet of desiccation machine one end, and the desiccation machine other end is provided with sludge discharge hole.
A kind of drying process of sludge drying and energy-recuperation system, it is characterised in that：The sludge drying process is as follows,
Sludge is poured onto sludge locker room by sludge car first, is formed sealing space in sludge locker room, is passed through No.1 exhaust fan shape
Into negative pressure state, it is evacuated body and enters deodorizing process is carried out in deodorizing reactor, the sludge in sludge locker room passes through sludge
Pumping is drawn onto in desiccation machine, and the desiccation machine is dividing wall type drying equipment, as thin layer desiccation machine or disc type desiccation machine, thermal medium pass through
Sludge drying machine provides thermal source for sludge drying, sludge be dried to solid content 40%-65% solid content after from sludge discharge hole
Discharge, above-mentioned thermal medium form hot loop by boiler heating steam, in drying process caused waste gas from waste gas outlet by
No. two blower fans are extracted out, are first into cyclone dust collectors and are carried out dust removal process, then enter gas-to-gas heat exchanger as thermal source
In, entered back into by the tail gas of heat exchange in condenser, condensed gas is entered in gas-to-gas heat exchanger as cooling medium
Heating, and entered by gas returning port in desiccation machine, the carrier gas for the steam being evaporated as sludge, take steam out of desiccation
Machine, enter to be provided with the pipeline being back between gas-to-gas heat exchanger in the gas after gas-to-gas heat exchanger and condenser and mend
Fill air intake, and the tolerance of adjustable supplement air, it is caused cold in gas-to-gas heat exchanger and condenser in this process
Lime set is drained into condensation fluid pool, is sent to sewage plant processing.
This case discloses a kind of sludge drying and energy-recuperation system and its energy regenerating drying process, between the system uses
Formula desiccation mode is connect, heat transfer efficiency is high, and load volume is small, and thermal loss is relatively low, and energy recovery rate is high, can substantially without dust
By sludge drying that moisture content is 70% ~ 85% to solid content 40%-65%.
Brief description of the drawings
Fig. 1 is sludge drying of the present invention and its energy-recuperation system structural representation.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
The invention discloses a kind of sludge drying and energy-recuperation system, and it includes sludge locker room 1, and it is different from existing
Technology is：The air outlet of sludge locker room 1 is connected by No.1 blower fan 2 with deodorizing reactor 3, the spoil disposal of sludge locker room 1
Mouth is connected by sludge pump 4 with the sludge inlet of the one end of desiccation machine 5, and the other end of desiccation machine 5 is provided with sludge discharge hole.
In the specific implementation, described one end of desiccation machine 5 is provided with waste gas outlet, and the waste gas outlet passes through pipeline and cyclone dust removal
The one end of device 6 is connected, and the other end of cyclone dust collectors 6 is connected by No. two blower fans 7 with the first entrance end of gas-to-gas heat exchanger 8, and gas-
The first exit end of gas heat exchanger 8 is connected with the one end of condenser 9, and the other end of condenser 9 connects with the second entrance end of gas-to-gas heat exchanger 8
Connect, the second outlet end of gas-to-gas heat exchanger 8 is connected with the gas returning port of the other end of desiccation machine 5.
In the specific implementation, the desiccation machine 5 is provided with vapor pipeline 10 close to end, the one end of vapor pipeline 10
It is connected with desiccation machine 5 close to end, the other end of vapor pipeline 10 is connected with the air inlet of boiler 11, the gas outlet of boiler 11
It is connected with the one end of return line 12, the other end of return line 12 is connected with desiccation machine 5 at front end.
In the specific implementation, the sludge drying process is as follows, and sludge is poured onto sludge locker room 1 by sludge car first,
Sealing space is formed in sludge locker room 1, negative pressure state is formed by the pumping of No.1 blower fan 2, being evacuated body, to enter deodorization anti-
Answer and deodorizing process is carried out in device 3, the sludge in sludge locker room 1 is drawn into desiccation machine 5 by sludge pump 4, and the desiccation machine is
Dividing wall type drying equipment, such as thin layer desiccation machine or disc type desiccation machine, thermal medium provides heat by sludge drying machine for sludge drying
Source, sludge are discharged after being dried to solid content 40%-65% solid content from sludge discharge hole, and above-mentioned thermal medium is heated by boiler
Water vapour forms hot loop, and caused waste gas is extracted out from waste gas outlet by No. two blower fans 7 in drying process, is first into whirlwind
Dust removal process is carried out in deduster 6, is then entered as thermal source in gas-to-gas heat exchanger 8, is entered back into by the tail gas of heat exchange
In condenser 9, condensed gas is entered in gas-to-gas heat exchanger 8 as cooling medium and heated up, and is entered by gas returning port
In desiccation machine, the carrier gas for the steam being evaporated as sludge, steam is taken out of desiccation machine, by gas-to-gas heat exchanger 8 and cold
Gas after condenser 9, which is entered at the pipeline being back between gas-to-gas heat exchanger 8, is provided with supplement air intake, and adjustable benefit
The tolerance of air is filled, caused condensate liquid is drained into condensate liquid water in gas-to-gas heat exchanger 8 and condenser 9 in this process
In pond 13, sewage plant processing is sent to.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to is assert
Present invention specific implementation is confined to these above-mentioned explanations.For general technical staff of the technical field of the invention,
Without departing from the inventive concept of the premise, some simple deduction or replace can also be made, should all be considered as belonging to the present invention
Protection domain.
Claims (2)
1. a kind of sludge drying and energy-recuperation system, it includes sludge locker room（1）, it is characterised in that：Sludge locker room（1）
Air outlet pass through No.1 blower fan（2）With deodorizing reactor（3）Connection, sludge locker room（1）Mud discharging mouth pass through sludge pump（4）
With desiccation machine（5）The sludge inlet connection of one end, desiccation machine（5）The other end is provided with sludge discharge hole, the desiccation machine（5）One
End is provided with waste gas outlet, and the waste gas outlet passes through pipeline and cyclone dust collectors（6）One end connects, the cyclone dust collectors（6）It is another
End passes through No. two blower fans（7）With gas-to-gas heat exchanger（8）First entrance end connects, gas-to-gas heat exchanger（8）First exit end with it is cold
Condenser（9）One end connects, condenser（9）The other end and gas-to-gas heat exchanger（8）Second entrance end connects, gas-to-gas heat exchanger（8）
Second outlet end and desiccation machine（5）The other end gas returning port connection, the desiccation machine（5）Steam pipe is provided with close to end
Road（10）, the water vapour pipeline（10）One end and desiccation machine（5）Connected close to end, water vapour pipeline（10）The other end and pot
Stove（11）Air inlet connection, boiler（11）Gas outlet and return line（12）One end connects, return line（12）The other end
With desiccation machine（5）Connected at front end, the desiccation machine is dividing wall type drying equipment.
A kind of 2. drying process of sludge drying and energy-recuperation system, it is characterised in that：The sludge drying process is as follows, first
Sludge is poured onto sludge locker room by first sludge car（1）, sludge locker room（1）Interior formation sealing space, passes through No.1 blower fan（2）
Pumping forms negative pressure state, is evacuated body and enters deodorizing reactor（3）Interior carry out deodorizing process, sludge locker room（1）Interior
Sludge passes through sludge pump（4）It is drawn into desiccation machine（5）In, the desiccation machine is dividing wall type drying equipment, and thermal medium is done by sludge
Change machine provides thermal source for sludge drying, and sludge is discharged after being dried to solid content 40%-65% solid content from sludge discharge hole, on
State thermal medium and hot loop formed by boiler heating steam, in drying process caused waste gas from waste gas outlet by No. two blower fans
（7）Extract out, be first into cyclone dust collectors（6）Middle carry out dust removal process, then enters gas-to-gas heat exchanger as thermal source
（8）In, enter back into condenser by the tail gas of heat exchange（9）In, condensed gas enters gas-gas as cooling medium and changed
Hot device（8）Middle heating, and entered by gas returning port in desiccation machine, the carrier gas for the steam being evaporated as sludge, by steam
Desiccation machine is taken out of, by gas-to-gas heat exchanger（8）And condenser（9）Gas afterwards, which enters, is back to gas-to-gas heat exchanger（8）
Between pipeline at be provided with supplement air intake, and the tolerance of adjustable supplement air, gas-to-gas heat exchanger in this process
（8）And condenser（9）In caused condensate liquid be drained into condensation fluid pool in, be sent to sewage plant processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103011545A CN103011545A (en) | 2013-04-03 |
| CN103011545B true CN103011545B (en) | 2018-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210515540.4A Active 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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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| CN113292215A (en) * | 2021-06-25 | 2021-08-24 | 上海城市水资源开发利用国家工程中心有限公司 | Residual sludge treatment device 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 |
| CN116904242B (en) * | 2023-08-07 | 2024-07-02 | 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 |
| CN118162021B (en) * | 2024-05-16 | 2024-08-02 | 江苏同萃和科技有限公司 | Water-containing solid waste drying treatment equipment and treatment process thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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- 2012-12-05 CN CN201210515540.4A patent/CN103011545B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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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| CN103011545A (en) | 2013-04-03 |
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Effective date of registration: 20240718 Granted publication date: 20180116 |