WO2011094904A1 - 一种污泥风干装置 - Google Patents
一种污泥风干装置 Download PDFInfo
- Publication number
- WO2011094904A1 WO2011094904A1 PCT/CN2010/000283 CN2010000283W WO2011094904A1 WO 2011094904 A1 WO2011094904 A1 WO 2011094904A1 CN 2010000283 W CN2010000283 W CN 2010000283W WO 2011094904 A1 WO2011094904 A1 WO 2011094904A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- air
- sludge
- drying mechanism
- air drying
- dehumidification
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/18—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs
- F26B17/20—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs the axis of rotation being horizontal or slightly inclined
- F26B17/205—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs the axis of rotation being horizontal or slightly inclined with multiple chambers, e.g. troughs, in superimposed arrangement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
- F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
- F26B21/086—Humidity by condensing the moisture in the drying medium, which may be recycled, e.g. using a heat pump cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/001—Heating arrangements using waste heat
- F26B23/002—Heating arrangements using waste heat recovered from dryer exhaust gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/18—Sludges, e.g. sewage, waste, industrial processes, cooling towers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/20—Sludge processing
Definitions
- This new type belongs to the field of sludge treatment equipment, and is specifically a sludge air drying device for low-energy drying treatment of sewage sludge.
- the sewage treatment plant In the process of urban sewage treatment, a large amount of sludge is generated.
- the sewage treatment plant generally only concentrates and dehydrates it, and the dewatered sludge with a moisture content of about 80% is usually disposed of by external transportation.
- the dewatered sludge In order to effectively achieve sludge reduction and resource utilization, the dewatered sludge is generally dried first.
- the sludge drying processes commonly used at home and abroad mainly include fluidized bed drying, multi-layer disc drying, film drying, paddle drying and belt drying, which dry the dewatered sludge directly or indirectly.
- the purpose of the utility model is to provide a sludge air drying device with the disadvantages of the sludge drying process described above, providing low dry energy consumption, low tail gas pollution, low equipment investment, stable operation and high safety.
- a sludge air drying device comprising at least one air dryer Structure, dosing mechanism and dehumidification heating mechanism,
- the air drying mechanism comprises a main shaft, a reamer and a motor.
- the output shaft of the motor is connected with the main shaft, and the motor drives the main shaft to rotate slowly.
- the reamer is regularly mounted on the main shaft according to the conveying direction of the sludge, and the material is turned and broken. , moving function; the dosing mechanism is connected to the beginning of the air drying mechanism.
- the air drying mechanism is provided with two sections, and the dosing mechanism is connected with the beginning end of the first air drying mechanism, the end of the first air drying mechanism is connected with the beginning end of the second air drying mechanism, and the discharging port is arranged above the connecting portion.
- the end of the second air-drying mechanism is connected with the beginning of the first air-drying mechanism, so that the first air-drying mechanism and the second air-drying mechanism form a loop structure.
- the dehumidification heating mechanism comprises a dehumidification and cold exchanger, an exhaust gas heat exchanger, a dehumidification heat exchanger, an air heater, a fan and a refrigeration compressor, the air inlet is connected with the dehumidification and cold exchanger, the dehumidification cold exchanger and the exhaust heat exchanger Connected, the exhaust heat exchanger is connected to the dehumidification heat exchanger through a blower, the dehumidification heat exchanger is connected to the air heater, and the condensate drain pipe is provided at the bottom of the dehumidification cold exchanger.
- the dehumidification heating mechanism is disposed above the air drying mechanism, and the air heater outlet is connected with the air inlet of the air drying mechanism by a duct; the air outlet of the air drying mechanism is connected with the inlet end of the exhaust heat exchanger tube, and the air outlet of the exhaust pipe is collected.
- the dosing mechanism comprises a sludge storage tank and a quantitative screw conveyor, and the quantitative screw conveyor is arranged below the sludge storage tank.
- the utility model has the following advantages: First, high dynamic production stability and full automatic production can be realized; Second, cold and heat energy recovery settings in the dehumidification heating mechanism make the drying efficiency high and the energy consumption low; Third, the residence time of the sludge in the drying device is adjustable, so that the water is discharged. The rate is adjustable; the fourth is that the exhaust gas is discharged after cooling and discharging the condensed water, which reduces the tail gas treatment into a stroke; the fifth is that the produced sludge is loose granular, and the long-term storage will not be anaerobic and odorous, and is more conducive to sludge resources. Utilization.
- FIG. 1 is a schematic block diagram of a sludge air drying device of the present invention
- FIG. 2 is a schematic right side view of a sludge air drying device of the present invention.
- FIG. 3 is a front view showing the structure of a sludge air drying device of the present invention.
- FIG. 4 is a schematic view showing the structure of the A-A surface of the sludge air drying device of the present invention. detailed description
- a sludge air drying mechanism includes at least one air drying mechanism, a dosing mechanism, and a dehumidification heating mechanism.
- the air drying mechanism includes a casing, a main shaft, a reamer 4, and a motor, and an output shaft of the motor is coupled to the main shaft.
- the motor drives the main shaft to rotate slowly.
- the reamer 4 is regularly mounted on the main shaft according to the conveying direction of the sludge, and has the function of turning, breaking and moving the material; the dosing mechanism is connected with the beginning end of the air drying mechanism.
- the air drying mechanism is provided with two sections, and the dosing mechanism is connected with the beginning end of the first air drying mechanism 5, and the end of the first air drying mechanism 5 and the beginning end of the second air drying mechanism 8 are communicated through the communication channel 7, at the communication channel 7
- a discharge port 21 is disposed on the upper side, and an end of the second air-drying mechanism 8 communicates with the beginning end of the first air-drying mechanism 5, so that the first air-drying mechanism 5 and the second air-drying mechanism 8 form a loop structure.
- the dosing mechanism is composed of a sludge storage tank 2 and a quantitative screw conveyor 3, and the quantitative screw conveyor 3 is disposed below the sludge storage tank 2.
- the rotary conveyor 3 is conveyed into the beginning of the first section of the air drying mechanism 5, and the sludge dosage is adjusted by the rotation speed of the quantitative screw conveyor 3, and the dry sludge having a moisture content of 5% to 35% is used by the air-drying mechanism.
- the amount of dry sludge to be fed is adjusted by the rotation speed of the quantitative screw conveyor 10 in the air drying mechanism.
- the dehumidification heating mechanism includes a dehumidification and cold exchanger 12, an exhaust gas heat exchanger 13, a dehumidification heat exchanger 16, an air heater 17, a blower 15, and a refrigeration compressor 14, and the air inlet 11 is connected to the dehumidification and cold exchanger 12, and the dehumidification and cold exchanger is 12 is connected to the exhaust gas heat exchanger 13, and the exhaust gas heat exchanger 13 is connected to the dehumidifying heat exchanger 16 via a blower 15, an air heater 17 is disposed on the dehumidifying heat exchanger 16, and condensed water is provided at the bottom of the dehumidifying cold exchanger 12.
- the discharge pipe 22 ⁇ The dehumidification heating mechanism is disposed above the first air drying mechanism 5, and the air heater outlet is connected by the pipe 19 with the air inlet 20 of the side or bottom of the air drying mechanism; the air drying mechanism upper cover exhaust port and the exhaust gas heat exchanger tube The inlet end is connected, and the condensate collecting pipe is arranged at the bottom of the collecting chamber at the outlet end of the tube, and the exhaust gas outlet is at the upper part.
- the dewatered sludge having a water content of 40% to 85% enters the sludge storage tank 2 from the inlet 1 and is transported by the quantitative screw conveyor 3 into the beginning of the first air-drying mechanism 5, and the sludge dosage is determined by the quantitative screw conveyor 3
- the rotational speed is adjusted, and the dry sludge having a water content of 5% to 35% is transported by the quantitative screw conveyor 10 in the air-drying mechanism, and the dry sludge dosage is adjusted by the rotational speed of the quantitative screw conveyor 10 in the air-drying mechanism;
- the mud is mixed, loosened, and moved forward under the force of the reamer 4.
- the spindle speed of the first air drying mechanism 5 is adjustable from 0 to 30 rpm, and the dehumidification heat from the air inlet 20 is obtained in the process.
- the air undergoes heat and mass transfer, and the moisture in the sludge is continuously evaporated.
- the end of the first air drying mechanism 5 the moisture content of the sludge has dropped to between 20% and 40%, and the appearance is loose and granular.
- the sludge at the end of the first section of the air-drying mechanism 5 enters the beginning of the second-stage air-drying mechanism 8 through the communication passage 7 connecting the first-stage air-drying mechanism 5 and the second-stage air-drying mechanism, and the second section is air-dried.
- the spindle speed is adjustable from 0 to 30 rpm, and the material level of the second air drying mechanism 8 is higher than the discharge port 21 At the bottom, the sludge exits the sludge product through the discharge port 21.
- the sludge entering the second section of the air-drying mechanism 8 is moved forward by the reamer and simultaneously transfers heat and mass transfer with the dehumidifying hot air from the bottom of the second air-drying mechanism 8.
- the moisture in the sludge continues. When it is evaporated to the end of the second air drying mechanism, the moisture content of the sludge has dropped to 5% ⁇ 35 %, and then passed through the quantitative screw conveyor.
- the heat of the dehumidification system is recovered, and then the air heater 17 is introduced to raise the temperature to 20 ⁇ 20 ( TC ; finally, the main pipe 18 is distributed into the connecting pipe 19 and is blown into the first air drying mechanism and the second air drying mechanism.
- the heat and mass of the dehumidifying hot air and the sludge are transferred to the water to evaporate the sludge; the exhaust gas passes through the top of the drying device.
- the gas collection port is collected, cooled in the exhaust gas heat exchanger 13 tube, and the condensed water is discharged from the exhaust gas condensate collecting pipe 24, and the cooled exhaust gas is discharged from the exhaust gas discharge pipe 23.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Sustainable Development (AREA)
- Treatment Of Sludge (AREA)
- Drying Of Solid Materials (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/576,992 US9021716B2 (en) | 2010-02-05 | 2010-03-08 | Devices for air-drying sludge |
JP2012600065U JP3181483U (ja) | 2010-02-05 | 2010-03-08 | スラッジを空気で乾燥させる装置 |
EP10844989.3A EP2562140A4 (en) | 2010-02-05 | 2010-03-08 | AIR DRYING DEVICE FOR SLUDGE |
KR2020127000043U KR200478208Y1 (ko) | 2010-02-05 | 2010-03-08 | 슬러지 공기-건조 장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010201129661U CN201574114U (zh) | 2010-02-05 | 2010-02-05 | 一种污泥风干装置 |
CN201020112966.1 | 2010-02-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011094904A1 true WO2011094904A1 (zh) | 2011-08-11 |
Family
ID=42693990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2010/000283 WO2011094904A1 (zh) | 2010-02-05 | 2010-03-08 | 一种污泥风干装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9021716B2 (zh) |
EP (1) | EP2562140A4 (zh) |
JP (1) | JP3181483U (zh) |
KR (1) | KR200478208Y1 (zh) |
CN (1) | CN201574114U (zh) |
WO (1) | WO2011094904A1 (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201574114U (zh) | 2010-02-05 | 2010-09-08 | 广州普得环保设备有限公司 | 一种污泥风干装置 |
CN102303944B (zh) | 2011-08-22 | 2014-08-27 | 广州新致晟环保科技机械设备有限公司 | 脱水污泥再处理方法 |
CN102815804A (zh) * | 2012-08-28 | 2012-12-12 | 广西大都混凝土集团有限公司 | 混凝土废水废渣的分离设备 |
US8869420B1 (en) * | 2012-11-19 | 2014-10-28 | Mousa Mohammad Nazhad | Energy-efficient process and apparatus for drying feedstock |
CN103922559B (zh) * | 2014-05-06 | 2016-03-02 | 王兢 | 污泥风干装置 |
CN105478449A (zh) * | 2016-01-07 | 2016-04-13 | 浙江泰来环保科技有限公司 | 一种垃圾焚烧飞灰固化*** |
CN108168215B (zh) * | 2017-12-27 | 2024-04-16 | 泽玛克(上海)环保能源科技有限公司 | 一种给料设备及干燥机 |
KR102069317B1 (ko) * | 2018-10-02 | 2020-01-22 | 주식회사 이열알앤디 | 슬러지 연료화 처리 시스템 |
KR102069308B1 (ko) * | 2018-10-02 | 2020-01-22 | 주식회사 이열알앤디 | 슬러지 연료화 처리 시스템의 건조공기 공급장치 |
CN109553271A (zh) * | 2019-01-12 | 2019-04-02 | 北京市市政二建设工程有限责任公司 | 一种淤泥干化处理设备 |
CN114111304A (zh) * | 2022-01-28 | 2022-03-01 | 东营市华兴化工有限责任公司 | 一种聚丙烯酰胺干燥装置 |
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JPH1028998A (ja) * | 1996-07-12 | 1998-02-03 | Ishigaki:Kk | 汚泥ケーキの造粒方法 |
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- 2010-03-08 KR KR2020127000043U patent/KR200478208Y1/ko active IP Right Grant
- 2010-03-08 JP JP2012600065U patent/JP3181483U/ja not_active Expired - Lifetime
- 2010-03-08 WO PCT/CN2010/000283 patent/WO2011094904A1/zh active Application Filing
- 2010-03-08 EP EP10844989.3A patent/EP2562140A4/en not_active Withdrawn
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Title |
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See also references of EP2562140A4 * |
Also Published As
Publication number | Publication date |
---|---|
US20130167394A1 (en) | 2013-07-04 |
EP2562140A1 (en) | 2013-02-27 |
EP2562140A4 (en) | 2013-12-04 |
KR200478208Y1 (ko) | 2015-09-08 |
US9021716B2 (en) | 2015-05-05 |
JP3181483U (ja) | 2013-02-14 |
KR20120007709U (ko) | 2012-11-07 |
CN201574114U (zh) | 2010-09-08 |
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