CN101549945B - Set treatment device of sludge drying - Google Patents
Set treatment device of sludge drying Download PDFInfo
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- CN101549945B CN101549945B CN2009100311156A CN200910031115A CN101549945B CN 101549945 B CN101549945 B CN 101549945B CN 2009100311156 A CN2009100311156 A CN 2009100311156A CN 200910031115 A CN200910031115 A CN 200910031115A CN 101549945 B CN101549945 B CN 101549945B
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- 238000001035 drying Methods 0.000 title claims abstract description 36
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- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a treatment device of sludge drying in the field of environmental protection, in particular to a set treatment device of sludge drying, comprising a paddle sludge drier (1) with a feeding inlet (4), a discharging hole (5), a steam inlet pipe (6), a water outlet pipe (7), a tail gas outlet (8), a cylinder (9), a hollow shaft (10) and hollow paddles (11); the hollow paddles(11) are arranged on the hollow shaft (10); the set treatment device of sludge drying also comprises a storing and feeding device (2) and a tail gas purifying processing device (3); the discharging hole (12) of the storing and feeding device (2) and the feeding inlet (4) of the paddle sludge drier (1) are connected; and the tail gas outlet (8) of the paddle sludge drier (1) and the gas inlet (13)of the tail gas purifying processing device (3) are connected. The treatment device has the advantages of simple structure, good drying effect, low cost, environmental protection, high cost performance, continuous drying and realization of sludge integrated treatment.
Description
Technical field
The present invention relates to a kind of sludge drying treatment unit in the environmental protection field, particularly a kind of set treatment device of sludge drying.
Background technology
Mud is the byproduct after the sewage disposal, the quantity of mud is very huge, only the amount of sludge of the annual sanitary sewage disposal generation of China just reaches more than one hundred million tons, add industrial sewage and handle industrial sludges such as the paper mill sludge of generation, printing and dyeing sludge, leather-making mud, greasy filth mud, the quantity of mud is just more huge.Mud has the water content height, be rich in the characteristics of complicated component, what generally contain loss in the mud has valency raw material and potential heat, the pollutents such as heavy metal of the high density of enrichment simultaneously, if adopting the traditional method of directly burning handles the mud of high-moisture, need concentrate mud, digestion, regulate, dehydration, and then burning or landfill, handle mud like this and not only can cause the loss that available stocks such as valency raw material are arranged that contains in the mud, environment is caused serious pollution, also need simultaneously to expend the moisture in a large amount of heat removal mud, cause the waste of the energy.What therefore generally adopt at present is the method processing mud of mechanical drying, mud is carried out mummification by drying machine, and then the mud of mummification is recycled, burns, mud after the mummification has purposes widely through further handling, both can after processing such as anaerobic digestion, be used as composite fertilizer as it at agriculture field, can be used as landscape planting in field of forestry after compost treatment again, but synthol comes burning electricity generation again, also can make building materials or pave the way etc. is applied at building materials field.Therefore with after the mummification of mud drying machine, can make valuable constituent such as raw material in the mud and potential heat obtain recycling, the fuel that can reduce burning sludge again consumes and environmental pollution.That is to say that sludge drying is to realize that mud becomes the important step of available stock, and the equipment of realizing sludge drying mainly contains three kinds at present, it is rotary kiln formula sludge drier, the fluidized bed type sludge drier, paddle formula sludge drier, paddle formula sludge drier is by tubular shaft, hollow paddle, cylindrical shell, support, drive disk assembly, the compositions such as parts that connect heating medium, be with steam, hot water or thermal oil are as heating medium, mode with conduction heating is carried out heat drying to mud, after mud enters paddle formula sludge drier, rotation by hollow blade makes the mud upset, stir, bring in constant renewal in the heating interface, contact with cylinder inboard wall and hollow paddle, fully heated, made the contained surface-moisture evaporation of mud.Simultaneously, mud is carried to the discharge port direction with the helical trajectory that is rotated into of tubular shaft, continues to stir in conveying, makes the moisture that oozes out in the mud continue evaporation, and the uniform qualified product of final drying are discharged by discharge port.Two kinds of sludge driers of paddle formula sludge drier and other are compared and are had the following advantages: (1) compact equipment, and floor space is little, and cost is low.Dry institute heat requirement mainly is to be provided by the hollow blade wall that is arranged on the tubular shaft, so the heat-transfer surface of unit volume equipment is big, can save occupation area of equipment, reduces the capital construction cost; (2) heat utilization ratio height.Adopt the conduction heating mode to heat, all heat-transfer surfaces are all covered by material, have reduced calorific loss; Do not have warm air to take away heat, heat utilization ratio can reach more than 90%; (3) conduct heat evenly, heat-transfer effect is good.The wedge shape hollow blade has self-purification capacity, can improve the blade heat transfer effect.The dispersion force that associated reaction produced of the scarp of revolving vane and particle or powder bed is automatically removed the mud that is attached on the heating inclined-plane, and hollow paddle is keeping heat transmission function efficiently.In addition, because the hollow paddle reverse rotation of two tubular shafts, alternately segmentation compression (at the hollow paddle face of two tubular shafts at a distance of recently the time) and expand (at the hollow paddle faces of two empty axles at a distance of farthest the time) stir, and it is even to conduct heat, and has improved heat-transfer effect; (4) safe.Thermal source does not directly contact with material, avoid mummification after water ratio low excessively, cause the too high and danger of the dust explosion that causes of dust content; (5) moisture percentage in sewage sludge wide adaptability, product drying homogeneity height.Establish overflow weir in the drying machine, can regulate the residence time of mud in moisture eliminator according to sludge quality and drying conditions, to adapt to the requirement that moisture percentage in sewage sludge changes.In addition, also can regulate the rotating speed and the thermal barrier temperature etc. of feed rate, axle, several minutes with select the residence time between several hours arbitrarily.Because paddle formula sludge drier has above advantage, therefore paddle formula sludge drier has obtained using widely than other two kinds of sludge driers, it is present ideal sludge drying stand-alone device, but paddle formula sludge drier is a periodical operation equipment, and function singleness, can not realize the continuous mummification of mud, tail gas after the unit mummification directly enters atmosphere, pollute waste with valuable constituent, can not realize close-coupled processing functions such as vent gas treatment, therefore be badly in need of to realize the set treatment device of sludge drying that mud is close-coupled processing.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of simple in structure, drying and other treatment is effective, environmental protection, can realize the set treatment device of sludge drying that mud is close-coupled processing.
Realize that the above-mentioned purpose technical scheme is: a kind of set treatment device of sludge drying, comprise the paddle formula sludge drier that has opening for feed, discharge port, steam inlet pipe, rising pipe, tail gas outlet, cylindrical shell, tubular shaft and hollow paddle, hollow paddle is arranged on the tubular shaft, also include storage drawing-in device and device for purifying and treating tail gas, the discharge port of described storage drawing-in device is connected with the opening for feed of paddle formula sludge drier, and the tail gas outlet of paddle formula sludge drier is connected with the inlet mouth of device for purifying and treating tail gas.
Further, the tubular shaft axle head of described paddle formula sludge drier is equipped with the swivel joint of carrying vapour import and condensation-water drain on it, and steam inlet pipe and rising pipe all are arranged between tubular shaft and the hollow paddle.
Further, described storage drawing-in device includes storage silo and worm conveyor, and the discharge port of storage silo is connected with the opening for feed of worm conveyor.
Further, described device for purifying and treating tail gas includes spray column and blower fan, and the escape pipe of spray column is connected with the import of blower fan.
Further, be provided with heat exchanger between the import of the escape pipe of described spray column and blower fan.
Further, be provided with splitter between the opening for feed of the discharge port of described storage drawing-in device and paddle formula sludge drier.
After adopting technique scheme, have a lot of benefits: (1) is simple in structure, mummification is effective, cost is low.The discharge port of the storage drawing-in device that the present invention adopts is connected with the opening for feed of paddle formula sludge drier, the tail gas outlet of paddle formula sludge drier is connected with the inlet mouth of device for purifying and treating tail gas, simple in structure, simultaneously owing to adopt paddle formula sludge drier, so the efficiency of utilization height, heat-transfer effect is good, and mummification is effective, mummification is even, good product quality; (2) continuously mummification, realized that mud is close-coupled processing.The present invention has mud storage feeding and device for purifying and treating tail gas, is collection mud storage feeding, mummification, tail gas clean-up is handled, water of condensation is recovered in one set treatment device of sludge drying, has realized continuous mummification, the production efficiency height.Water of condensation is recycled, and can improve feed temperature, improve thermo-efficiency.Reduce the cost of device for purifying and treating tail gas simultaneously.Owing to do not need to heat with gas, no gas was got involved when the present invention was dry, and gas flow rate is low in the drying machine, and the dust of being carried under one's arms out by gas is few, and dried fuel gas and dust reclaims convenient, and the device for purifying and treating tail gas scale reduces relatively, so equipment investment cost is low; (3) environmental protection.The whole drying process of mud is carried out under closed state among the present invention, organic volatile gas and gas with foreign flavor are delivered to exhaust gas processing device under airtight atmosphere, device for purifying and treating tail gas is worked under micro-vacuum state, avoids environmental pollution, the foul smell that has solved tail gas is excessive, very environmental protection; (4), the cost performance height, good energy-conserving effect.Wet sludge water content 85.7% thermal value is-110 kilocalories, and dewatered sludge moisture 21.1% thermal value is 1677 kilocalories after drying and other treatment, fuel economy 20%, and water saving 60%～80%, thermo-efficiency reaches 85%.The average treatment amount of mud improves 30% than similar unit machine equipment.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of the embodiment of the invention;
Fig. 3 is the main TV structure synoptic diagram of paddle formula drying machine of the present invention;
Fig. 4 is the A-A sectional view of Fig. 3;
Fig. 5 is the semisectional view of the part 11 hollow paddles of Fig. 3.
Embodiment
The present invention is further detailed explanation below in conjunction with drawings and Examples.
Extremely shown in Figure 5 as Fig. 1, a kind of set treatment device of sludge drying, comprise paddle formula sludge drier 1, storage drawing-in device 2 and device for purifying and treating tail gas 3, paddle formula sludge drier 1 comprises a loam cake 27 and the cylindrical shell 9 that the lower housing 28 of being with discharge port 5 is formed by connecting by band opening for feed 4 and tail gas outlet 8, and lower housing 28 shape of cross sections are W shape.Four tubular shafts 10 that are connected with power-driven gear 29 are installed in cylindrical shell 9 side by side, one group of hollow blade that distributes vertically 11 is installed on each tubular shaft 10 respectively, the power-driven gear 29 that wherein is installed in cylindrical shell 9 one sides comprises motor and speed reduction unit, it is connected tubular shaft 10 by shaft coupling 30 with neutral gear 31, be used for supporting, the bearing support 36 of sealing tubular shaft 10 and the two ends that sealing socket 37 is positioned at cylindrical shell 9, neutral gear 31 drives tubular shaft 10, hollow paddle 11 is contained on the tubular shaft 10, tubular shaft 10 axle heads are equipped with the swivel joint 16 of carrying vapour import 14 and condensation-water drain 15 on it, two steam inlet pipes 6 and four rising pipes 7 all are arranged between tubular shaft 10 and the hollow paddle 11 (arrow is represented in the steam inlet pipe 6 flow direction of water of condensation in the steam and rising pipe 7 respectively among Fig. 5), the required steam of sludge-drying enters into tubular shaft 10 by the steam inlet on the swivel joint 16 14, enter in the hollow paddle 11 through steam inlet pipe 6 again, after wall by hollow paddle 11 and mud carry out heat exchange, formed water of condensation is from rising pipe 7 backflow tubular shafts 10, and the condensation-water drain on swivel joint 16 15 outwards discharges.Can realize the water of condensation recycling, improve feed temperature, improve thermo-efficiency.Storage drawing-in device 2 includes storage silo 17 and worm conveyor 18, and described device for purifying and treating tail gas 3 includes spray column 21, heat exchanger 25 and blower fan 22, has waste liquid outlet 33 and washings import 36 on the spray column 21.The tail gas of paddle formula sludge drier 1 outlet 8 is connected with the inlet mouth 13 of spray column 21, heat exchanger 25 is arranged between the import 24 of the escape pipe 23 of spray column 21 and blower fan 22, the escape pipe 23 of spray column 21 is connected with the import 24 of blower fan 21 by heat exchanger 25, and the outlet 35 of blower fan 22 is connected with boiler 34.The discharge port 19 of the storage silo 17 in the described storage drawing-in device 2 is connected with the opening for feed 20 of worm conveyor 18, between the opening for feed 4 of the discharge port 12 of worm conveyor 18 and paddle formula sludge drier 1 splitter 26 is set, the discharge port 12 of worm conveyor 18 is connected with the opening for feed 4 of paddle formula sludge drier 1.The discharge port 5 of paddle formula sludge drier 1 is connected with splitter 32.
Principle of work of the present invention is: extremely shown in Figure 5 as Fig. 1, mud in the storage silo 17 enters worm conveyor 18, discharge port 12 by worm conveyor 18 enters paddle formula sludge drier 1 through splitter 26 again, power-driven gear 29 drives tubular shaft 10 by shaft coupling 30 and neutral gear 31 and slowly rotates, the direction that tubular shaft 10 rotates is consistent to the direction that discharge port 5 moves from opening for feed 4 with mud, because there is certain angle in hollow paddle 11 with tubular shaft 10 vertical direction, mud in the rotation of hollow paddle 11 except that the stirring that is subjected to hollow paddle 11 and the heating, also move towards discharge port 5 directions vertically, dewatered sludge is discharged through splitter 34 from discharge port 5, the tail gas that paddle formula sludge drier 1 is discharged enters spray column 21 by tail gas outlet 8 inlet mouths 13 through spray column 21, flow velocity sharply descended after tail gas entered the main cylinder of spray column 21, tail gas forms convection current with spray like this, high-temperature tail gas is after spray Cleaning for High Capacity, water vapour cooling back wherein forms water of condensation and discharges from waste liquid outlet 33, tail gas after the purifying treatment is discharged from spray column 21 escape pipes 23, by heat exchanger 25 and blower fan 21, the tail gas of discharging can be delivered to one or secondary wind-supplying mouth of boiler 34, burns deodorizing through boiler high temperature.
The invention is not restricted to the foregoing description, the technical scheme that all employings are equal to replacement or equivalence replacement formation all belongs to the scope of protection of present invention.
Claims (5)
1. set treatment device of sludge drying, comprise and have opening for feed (4), discharge port (5), steam inlet pipe (6), rising pipe (7), tail gas outlet (8), cylindrical shell (9), the paddle formula sludge drier (1) of tubular shaft (10) and hollow paddle (11), hollow paddle (11) is arranged on the tubular shaft (10), it is characterized in that: also include storage drawing-in device (2) and device for purifying and treating tail gas (3), the discharge port (12) of described storage drawing-in device (2) is connected with the opening for feed (4) of paddle formula sludge drier (1), and the tail gas outlet (8) of paddle formula sludge drier (1) is connected with the inlet mouth (13) of device for purifying and treating tail gas (3).
2. set treatment device of sludge drying according to claim 1, it is characterized in that: described storage drawing-in device (2) includes storage silo (17) and worm conveyor (18), and the discharge port (19) of storage silo (17) is connected with the opening for feed (20) of worm conveyor (18).
3. set treatment device of sludge drying according to claim 1 is characterized in that: described device for purifying and treating tail gas (3) includes spray column (21) and blower fan (22), and the escape pipe (23) of spray column (21) is connected with the import (24) of blower fan.
4. set treatment device of sludge drying according to claim 3 is characterized in that: be provided with heat exchanger (25) between the escape pipe (23) of described spray column (21) and the import (24) of blower fan (22).
5. set treatment device of sludge drying according to claim 1 is characterized in that: be provided with splitter (26) between the discharge port (12) of described storage drawing-in device (2) and the opening for feed (4) of paddle formula sludge drier (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100311156A CN101549945B (en) | 2009-04-28 | 2009-04-28 | Set treatment device of sludge drying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100311156A CN101549945B (en) | 2009-04-28 | 2009-04-28 | Set treatment device of sludge drying |
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| CN101549945A CN101549945A (en) | 2009-10-07 |
| CN101549945B true CN101549945B (en) | 2011-07-06 |
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| CN2009100311156A Expired - Fee Related CN101549945B (en) | 2009-04-28 | 2009-04-28 | Set treatment device of sludge drying |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101913748B (en) * | 2010-07-19 | 2012-07-04 | 北京中持绿色能源环境技术有限公司 | Sludge drying rotary kiln and adjusting device of detention time of same |
| CN102363550B (en) * | 2011-09-21 | 2013-04-10 | 绍兴三原重工业机械有限公司 | Disc type sludge dryer |
| CN102557383A (en) * | 2011-12-16 | 2012-07-11 | 北京机电院高技术股份有限公司 | Inclined disk blade dryer for drying sludge and treatment method thereof |
| CN102515460A (en) * | 2011-12-26 | 2012-06-27 | 绍兴文理学院 | Sludge drier |
| CN103697679B (en) * | 2013-12-17 | 2015-09-09 | 许中华 | Solid-liquid separation dehydration desiccation integral machine |
| CN103693838B (en) * | 2013-12-23 | 2015-01-21 | 广东电网公司电力科学研究院 | Sludge drying device and method |
| CN105819659B (en) * | 2015-01-07 | 2023-02-17 | 广州正晟科技有限公司 | Bottom drying type sludge drying device and method |
| CN105502879B (en) * | 2015-12-28 | 2017-12-01 | 华南理工大学 | A kind of mud low-temperature drier |
| CN106495428A (en) * | 2016-12-29 | 2017-03-15 | 广东金颢轩环境工程设备科技有限公司 | A kind of with carbon fiber thermal source and the sludge drying device of waste gas can be purified |
| CN106927659A (en) * | 2017-04-13 | 2017-07-07 | 北京工商大学 | The small-sized quick desiccation charing all-in-one of sludge |
| CN107445446B (en) * | 2017-09-22 | 2019-03-26 | 西安吉利电子化工有限公司 | A kind of dry installation for fermenting of column plate type |
| CN108362096A (en) * | 2018-02-12 | 2018-08-03 | 南京高源环保工程有限公司 | A kind of material drying system and its drying means containing escaping gas |
| CN110395875A (en) * | 2019-08-21 | 2019-11-01 | 东北大学 | A kind of novel sludge dry system and method |
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| US4043047A (en) * | 1975-03-03 | 1977-08-23 | Patelhold Patentverwertungs- & Elektro-Holding Ag. | Process and apparatus for the treatment of water-containing substances and application of this method for the preparation of pasteurized dried sludge |
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| JP特开2006-7080A 2006.01.12 |
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Owner name: SHI SHAOJUN Free format text: FORMER OWNER: LIZHU ENVIRONMENT ENGINEERING CO., LTD., LIYANG CITY Effective date: 20110715 |
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Inventor after: Shi Shaojun Inventor before: Shi Shaojun Inventor before: Zhang Yougen Inventor before: Mei Xiangqian |
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Free format text: CORRECT: ADDRESS; FROM: 213300 NO. 148, JINWU ROAD, KUNLUN ECONOMIC DEVELOPMENT ZONE, LIYANG CITY, JIANGSU PROVINCE TO: 213300 ROOM 302, UNIT 1, BUILDING 18, PINGLING VILLAGE 2, LIYANG CITY, JIANGSU PROVINCE Free format text: CORRECT: INVENTOR; FROM: SHI SHAOJUN ZHANG YOUGEN MEI XIANGQIAN TO: SHI SHAOJUN |
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Effective date of registration: 20110715 Address after: 213300 Room 302, unit 18, Ping Ling second village, Liyang, Jiangsu Patentee after: Shi Shaojun Address before: 213300 Liyang City, Jiangsu province Kunlun Economic Development Zone No. 148 gold Wulu Patentee before: Liyang Lizhu Environment Engineering Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110706 Termination date: 20180428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |