CN101870548A - Sludge stirring and granulating rotary drying device - Google Patents

Sludge stirring and granulating rotary drying device Download PDF

Info

Publication number
CN101870548A
CN101870548A CN200910050097A CN200910050097A CN101870548A CN 101870548 A CN101870548 A CN 101870548A CN 200910050097 A CN200910050097 A CN 200910050097A CN 200910050097 A CN200910050097 A CN 200910050097A CN 101870548 A CN101870548 A CN 101870548A
Authority
CN
China
Prior art keywords
cylinder
stir shaft
support
feeding
flight
Prior art date
Application number
CN200910050097A
Other languages
Chinese (zh)
Inventor
温俊明
吴俊锋
张祚明
沈家祎
Original Assignee
上海环保工程成套有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上海环保工程成套有限公司 filed Critical 上海环保工程成套有限公司
Priority to CN200910050097A priority Critical patent/CN101870548A/en
Publication of CN101870548A publication Critical patent/CN101870548A/en

Links

Abstract

The invention discloses a sludge stirring and granulating rotary drying device, which consists of a base, a rotary drum, a feeding device, a stirring shaft, a discharging box, a driving device and a control box. The front end in the rotary drum is provided with a guiding screw; two ends of the rotary drum are respectively provided with a flue gas inlet and a flue gas outlet; the base is provided with a lifting bracket on which the rotary drum, the feeding device, the stirring shaft and the discharging box are arranged; the stirring shaft and the rotary drum are eccentrically arranged; a plurality of mixing blades are arranged along the axial direction of the stirring shaft; and the inner wall of the rotary drum is provided with a shovelling plate. The lifting bracket is convenient to adjust the tilt angle of the rotary drum so as to adjust the retention period of materials in the drum and the moisture content of dry sludge; the stirring shaft is provided with the stirring blades to serve as a stirring and granulating device, and the wall of the rotary drum is provided with the shovelling plate, so the problem that the sludge is caked and sticks to the wall in the drying process is solved; and the produced sludge granules are uniform, and are suitable to be burnt and used as building materials and the like.

Description

A kind of sludge stirring and granulating rotary drying device
Technical field:
The present invention relates to mechanical field, relate in particular to dry materials equipment, particularly sludge drier, concrete is a kind of sludge stirring and granulating rotary drying device.
Background technology:
In the prior art, there are two types in the drying sludge technology, and a class is to carry out indirectly drying with water vapor or heat conduction wet goods hot media; Another kind of is to carry out direct mummification with combustion product gases.The indirectly drying method need adopt special-purpose chemical industry mummification equipment, and advantage is that the mud Heating temperature is lower, and production environment is comparatively clean, but investment is bigger.Directly the mummification method is widely used because investment is low, but needs the tail gas amount of processing bigger.Chinese patent " city dehydrated sludge drying plant " (patent No. 99241530.6) and patent " drum-type mud dryer " (patent No. 02254415.1) have proposed two kinds of drying machines, but these two technical schemes all can't be adjusted the cylindrical shell inclination angle, can not adjust the flow of flue gas direction, cause material residence time in cylindrical shell to immobilize, net result is that the water ratio of sludge-drying can not change according to the actual requirements flexibly.In addition, do not have the stirring-granulating device in the patent " city dehydrated sludge drying plant ", cause mud to be bonded to bulk therein easily, not only drying efficiency is low, and the shape of dewatered sludge is uncontrollable; The feeding device of patent " drum-type mud dryer " adopts rotary conveyor, because easy conglomeration of mud and sticking wall, equipment exists that the mud feed is inhomogeneous, belt easily bonds problems such as mud.
Summary of the invention:
The object of the present invention is to provide a kind of sludge stirring and granulating rotary drying device, described this sludge stirring and granulating rotary drying device will solve in the prior art sludge drier can't adjust that cylinder angle, flue gas flow direction can not be adjusted, mud is bonded to bulk easily, the uneven technical problem of mud feed.
This sludge stirring and granulating rotary drying device of the present invention is by base; support; cylinder; feeding device; stir shaft; feed box; stir shaft drive unit and drum drive constitute; wherein; described support is arranged on the described base; one end of support is connected by linkage with base; be provided with lifting device between the other end of support and the base; described feeding device and stir shaft drive unit all are arranged on the support; the two ends of described cylinder are respectively arranged with connecting cylinder; be provided with tightness system between cylinder and the connecting cylinder; connecting cylinder is fixedly installed on the support; described drum drive is arranged on the support; drum drive is connected with cylinder; the two ends of described stir shaft by bearing fixing on support; the central axis of stir shaft is parallel with the central axis of cylinder; stir shaft is connected with the stir shaft drive unit; feeding device is arranged on outside the feed end of cylinder; the connecting cylinder of feed end is provided with a smoke entrance; the connecting cylinder of discharge end is provided with a smoke entrance; described feed box is connected the bottom of the connecting cylinder of discharge end; the stir shaft mounted in pairs has agitating vane; described agitating vane is along the axial array of stir shaft; between the axial any adjacent agitating vane of stir shaft, be provided with angle; radially be provided with a plurality of straight flights or a plurality of curved flight on the inner wall of rotary drum; described straight flight and described curved flight arrange alternately axially that along cylinder the straight flight of contiguous cylinder feed end or the distribution density of curved flight are less than the straight flight of contiguous cylinder discharge end or the distribution density of curved flight.
Further, radially be provided with the plurality of fixed bar on the described stir shaft, agitating vane is arranged on the described fixed link.
Further, described feeding device is a Shaftless screw conveyor.
Further, described feed box lower end is provided with star discharge valve or double-gate plate valve, and drying machine keeps sealing during with the assurance discharging.
Further, each free electrical mechanisms of described stir shaft drive unit and drum drive becomes.
Further, the inclination angle of described rack-mount part can be adjusted among a small circle with support, and then the control residence time of mud in drying machine.
Further, a smoke entrance is set respectively on the connecting cylinder of described feed end and discharge end, flow of flue gas direction adverse current or following current can be adjusted as required.
Principle of work of the present invention is: mud is through behind last one dehydration procedure, be transported to feeding device, mud is transported in the cylinder by Shaftless screw conveyor and is cut into little group, under the promotion of cylinder interior forward end guide thread, mud moves to the flight district, mud is taken up repeatedly by the intravital flight of cylinder after entering the flight district, is stirred blade when falling and smashes.Hot flue gas enters cylinder by the import and export of flue gas one end, carries out heat exchange with mud in the mode that directly contacts, and makes moisture evaporation in the mud; Carry the wet flue gas of moisture and discharge from the smoke entrance of the other end, two smoke entrances are arranged in the cylinder two ends respectively, and flow of flue gas direction adverse current or following current can be adjusted as required.Feeding device, stir shaft and cylinder are installed on the at one end liftable support, and activity one end of support can be regulated height, adjusts the inclination angle of drying machine among a small circle with this, and then can adjust the water ratio of the mud residence time and sludge-drying in cylinder.
The present invention compares with prior art, and its effect is actively with tangible.The present invention is provided with the liftable support on the base of sludge drier, be convenient to adjust cylinder slope, and then adjust the water ratio of the material residence time and sludge-drying in cylindrical shell, agitating vane is set as the stirring-granulating device on stir shaft, cylinder wall is provided with flight, solve the problem of the sticking wall of drying process mud conglomeration, and the mud granule of producing is even, is suitable for burning, does multiple uses such as building materials.
Description of drawings:
Fig. 1 is the structural representation of a kind of sludge stirring and granulating rotary drying device of the present invention.
Fig. 2 is that A among Fig. 1 is to view.
Embodiment:
Embodiment 1:
As depicted in figs. 1 and 2; a kind of sludge stirring and granulating rotary drying device of the present invention; by base 1; support 9; cylinder 2; feeding device 3; stir shaft 4; feed box 5; stir shaft drive unit 12 and drum drive 11 constitute; wherein; described support 9 is arranged on the described base 1; one end of support 9 and base 1 are connected by linkage; be provided with lifting device between the other end of support 9 and the base 1; described feeding device 3 and stir shaft drive unit 12 all are arranged on the support 9; the two ends of described cylinder 2 are respectively arranged with connecting cylinder; be provided with tightness system between cylinder 2 and the connecting cylinder; connecting cylinder is fixedly installed on the support 9; described drum drive 11 is arranged on the support 9; drum drive 11 is connected with cylinder 2; the two ends of described stir shaft 4 utilize bearing fixing on support 9; the central axis of stir shaft 4 is parallel with the central axis of cylinder 2; stir shaft 4 is connected with stir shaft drive unit 12; feeding device 3 is arranged on outside the feed end of cylinder 2; the connecting cylinder of feed end is provided with a smoke entrance 7; the connecting cylinder of discharge end is provided with a smoke entrance 8; described feed box 5 is connected the bottom of the connecting cylinder of discharge end; stir shaft 4 mounted in pairs have agitating vane 41; described agitating vane 41 is along the axial array of stir shaft 4; between the axial any adjacent agitating vane 41 of stir shaft 4, be provided with angle; radially be provided with a plurality of straight flights 101 or a plurality of curved flight 102 on cylinder 2 inwalls; the curved flight 102 of one a straight flight 101 of circle and a circle arranges that alternately the straight flight 101 of contiguous cylinder 2 feed ends or the distribution density of curved flight 102 are less than the straight flight 101 of contiguous cylinder 2 discharge ends or the distribution density of curved flight 102.
Further, radially be provided with plurality of fixed bar 42 on the described stir shaft 4, agitating vane 41 is arranged on the described fixed link 42.
Further, described feeding device 3 is Shaftless screw conveyors.
Further, described feed box 5 lower ends are provided with star discharge valve or double-gate plate valve.
Further, described stir shaft drive unit 12 becomes with drum drive 11 each free electrical mechanisms.
Further, the described inclination angle that is installed in the part on the support 9 can be adjusted among a small circle with support 9, and then the control residence time of mud in drying machine.
Further, a smoke entrance 7 and 8 are set respectively on the connecting cylinder of described feed end and discharge end, flow of flue gas direction adverse current or following current can be adjusted as required.
Concrete, base 1 is provided with a controlling box 6.
The working process of present embodiment is: mud is through behind last one dehydration procedure, be transported to feeding device 3, mud is transported in the cylinder 2 by Shaftless screw conveyor and is cut into little group, under the promotion of cylinder 2 interior forward end guide threads, mud moves to the flight district, mud enters 10 backs, flight district and is taken up repeatedly by the flight in the cylinder 2, is stirred blade 41 when falling and smashes.Hot flue gas enters cylinder 2 by smoke entrance 7 or 8, carries out heat exchange with mud in the mode that directly contacts, and makes moisture evaporation in the mud; The wet flue gas that carries moisture is discharged from the smoke entrance 8 or 7 of the other end, and two smoke entrances 7 and 8 are arranged in cylinder 2 two ends respectively, and flow of flue gas direction adverse current or following current can be adjusted as required.Feeding device 3, stir shaft 4 and cylinder 2 are installed on the at one end liftable support 9, activity one end of support 9 can be regulated height, adjust the inclination angle of drying machine among a small circle with this, and then can adjust the water ratio of the material residence time and sludge-drying in cylindrical shell.

Claims (5)

1. sludge stirring and granulating rotary drying device; by base; support; cylinder; feeding device; stir shaft; feed box; stir shaft drive unit and drum drive constitute; it is characterized in that: described support is arranged on the described base; one end of support is connected by linkage with base; be provided with lifting device between the other end of support and the base; described feeding device and stir shaft drive unit all are arranged on the support; the two ends of described cylinder are respectively arranged with connecting cylinder; be provided with tightness system between cylinder and the connecting cylinder; connecting cylinder is fixedly installed on the support; described drum drive is arranged on the support; drum drive is connected with cylinder; the two ends of described stir shaft by bearing fixing on support; the central axis of stir shaft is parallel with the central axis of cylinder; stir shaft is connected with the stir shaft drive unit; feeding device is arranged on outside the feed end of cylinder; the connecting cylinder of feed end is provided with a smoke entrance; the connecting cylinder of discharge end is provided with a smoke entrance; described feed box is connected the bottom of the connecting cylinder of discharge end; the stir shaft mounted in pairs has agitating vane; described agitating vane is along the axial array of stir shaft; between the axial any adjacent agitating vane of stir shaft, be provided with angle; radially be provided with a plurality of straight flights or a plurality of curved flight on the inner wall of rotary drum; described straight flight and described curved flight arrange alternately axially that along cylinder the straight flight of contiguous cylinder feed end or the distribution density of curved flight are less than the straight flight of contiguous cylinder discharge end or the distribution density of curved flight.
2. sludge stirring and granulating rotary drying device as claimed in claim 1 is characterized in that: radially be provided with the plurality of fixed bar on the described stir shaft, agitating vane is arranged on the described fixed link.
3. sludge stirring and granulating rotary drying device as claimed in claim 1 is characterized in that: described feeding device is a Shaftless screw conveyor.
4. sludge stirring and granulating rotary drying device as claimed in claim 1 is characterized in that: described feed box lower end is provided with star discharge valve or double-gate plate valve, and drying machine keeps sealing during with the assurance discharging.
5. sludge stirring and granulating rotary drying device as claimed in claim 1 is characterized in that: each free electrical mechanisms of described stir shaft drive unit and drum drive becomes.
CN200910050097A 2009-04-27 2009-04-27 Sludge stirring and granulating rotary drying device CN101870548A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200910050097A CN101870548A (en) 2009-04-27 2009-04-27 Sludge stirring and granulating rotary drying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200910050097A CN101870548A (en) 2009-04-27 2009-04-27 Sludge stirring and granulating rotary drying device

Publications (1)

Publication Number Publication Date
CN101870548A true CN101870548A (en) 2010-10-27

Family

ID=42995657

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200910050097A CN101870548A (en) 2009-04-27 2009-04-27 Sludge stirring and granulating rotary drying device

Country Status (1)

Country Link
CN (1) CN101870548A (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102221284A (en) * 2011-04-21 2011-10-19 煤炭科学研究总院 Rolling type coal drying and upgrading experimental device
CN102226634A (en) * 2011-04-21 2011-10-26 煤炭科学研究总院 Roll drying experimental facility
CN102466413A (en) * 2010-11-08 2012-05-23 中冶长天国际工程有限责任公司 Circular cooler and liquid groove desilting device thereof
CN104909535A (en) * 2015-04-03 2015-09-16 浙江三联环保机械设备有限公司 Eccentric-type sludge drying device
CN105258470A (en) * 2015-11-26 2016-01-20 四川东立科技股份有限公司 Ferrous sulphate heptahydrate drying system
CN105523699A (en) * 2015-12-04 2016-04-27 江苏碧诺环保科技有限公司 Sludge drying and carbonizing device and technology
CN106070594A (en) * 2016-07-25 2016-11-09 柳州名品科技有限公司 The using method of fructus zizaniae caduciflorae dehydrator
CN106225426A (en) * 2016-07-25 2016-12-14 柳州名品科技有限公司 The using method of distiller's grains of beer dehydrator
CN106225425A (en) * 2016-07-25 2016-12-14 柳州名品科技有限公司 The using method of corn cob dehydrator
CN106247761A (en) * 2016-07-25 2016-12-21 柳州名品科技有限公司 The using method of bean dregs dehydrator
CN106477849A (en) * 2016-12-19 2017-03-08 航天凯天环保科技股份有限公司 A kind of sludge drying treatment equipment
CN107200457A (en) * 2017-06-27 2017-09-26 苏州克莱尔环保科技有限公司 A kind of sludge vacuum drying machine
CN107270670A (en) * 2017-06-27 2017-10-20 苏州克莱尔环保科技有限公司 A kind of drum mud dryer cabinet
CN107449244A (en) * 2017-07-28 2017-12-08 成都菲斯普科技有限公司 A kind of energy-efficient drying equipment
CN108981343A (en) * 2018-06-14 2018-12-11 张家港Aaa精密制造股份有限公司 A kind of bearing dryer
CN109821475A (en) * 2019-04-04 2019-05-31 江苏瑞安特重型机械有限公司 A kind of spray granulation drier

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102466413A (en) * 2010-11-08 2012-05-23 中冶长天国际工程有限责任公司 Circular cooler and liquid groove desilting device thereof
CN102466413B (en) * 2010-11-08 2013-08-28 中冶长天国际工程有限责任公司 Circular cooler and liquid groove desilting device thereof
CN102226634A (en) * 2011-04-21 2011-10-26 煤炭科学研究总院 Roll drying experimental facility
CN102221284A (en) * 2011-04-21 2011-10-19 煤炭科学研究总院 Rolling type coal drying and upgrading experimental device
CN104909535A (en) * 2015-04-03 2015-09-16 浙江三联环保机械设备有限公司 Eccentric-type sludge drying device
CN105258470A (en) * 2015-11-26 2016-01-20 四川东立科技股份有限公司 Ferrous sulphate heptahydrate drying system
CN105523699A (en) * 2015-12-04 2016-04-27 江苏碧诺环保科技有限公司 Sludge drying and carbonizing device and technology
CN106247761A (en) * 2016-07-25 2016-12-21 柳州名品科技有限公司 The using method of bean dregs dehydrator
CN106070594A (en) * 2016-07-25 2016-11-09 柳州名品科技有限公司 The using method of fructus zizaniae caduciflorae dehydrator
CN106225426A (en) * 2016-07-25 2016-12-14 柳州名品科技有限公司 The using method of distiller's grains of beer dehydrator
CN106225425A (en) * 2016-07-25 2016-12-14 柳州名品科技有限公司 The using method of corn cob dehydrator
CN106477849A (en) * 2016-12-19 2017-03-08 航天凯天环保科技股份有限公司 A kind of sludge drying treatment equipment
CN107200457A (en) * 2017-06-27 2017-09-26 苏州克莱尔环保科技有限公司 A kind of sludge vacuum drying machine
CN107270670A (en) * 2017-06-27 2017-10-20 苏州克莱尔环保科技有限公司 A kind of drum mud dryer cabinet
CN107449244A (en) * 2017-07-28 2017-12-08 成都菲斯普科技有限公司 A kind of energy-efficient drying equipment
CN108981343A (en) * 2018-06-14 2018-12-11 张家港Aaa精密制造股份有限公司 A kind of bearing dryer
CN108981343B (en) * 2018-06-14 2020-04-14 张家港Aaa精密制造股份有限公司 Bearing drying-machine
CN109821475A (en) * 2019-04-04 2019-05-31 江苏瑞安特重型机械有限公司 A kind of spray granulation drier

Similar Documents

Publication Publication Date Title
AU2004274520B2 (en) Dryer, drying method and drying plant
EP2610569B1 (en) Indirectly heated rotary dryer
US10240865B2 (en) Non-thermal drying systems and methods using vacuum throttle flash generators and processing vessels
US7178262B2 (en) Air dryer system and method employing a jet engine
US7984566B2 (en) System and method employing turbofan jet engine for drying bulk materials
CN201680685U (en) Drying machine
US20150075024A1 (en) Multiple product belt drier for drying pasty and/or powdery materials, particularly for drying sludges from treatment plants or biomass
EP2612842B1 (en) Apparatus for heating biomass sludge
CN202613898U (en) Drying device using rotary crushing and spouting fluidization
KR100685385B1 (en) Materials salvage apparatus for treating sewage sludge
JP5222183B2 (en) Continuous dryer
CS248008B2 (en) Apparatus for processing the wet solid substances,sludges,suspensions,paste materials by heating or cooling
CN103964671B (en) A kind of mud drying device and utilize the method for this device dewatered sludge
DK2601464T3 (en) Process and plant for drying sludge
KR20100065662A (en) Device of drying sludge
JP2009216351A (en) Hot wind generator using sawdust and organic waste as fuel
KR101082508B1 (en) The apparatus for drying food waste sludge using superheated-steam and the second gas
CN201173666Y (en) Equipment for drying slag ball
WO2008092373A1 (en) Shaft type stirring mud multilevel secondary steam recycling drying device
CN2690826Y (en) Indirect dryer special for rotary drum type garbage processing
EP2933318B1 (en) Device for producing solid fuel and method for producing solid fuel
KR100534084B1 (en) Combined drying appratus of sludge
CN101602565B (en) Process for treating dehydrated sludge in sewage treatment plant
CN203310233U (en) Connection type spiral biomass fuel dryer
CN100585312C (en) Rotary drying device suitable for high moisture material

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20101027