CN101210679B - Gyration type sludge desiccation material-feeding device for sludge burning furnace - Google Patents

Gyration type sludge desiccation material-feeding device for sludge burning furnace Download PDF

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Publication number
CN101210679B
CN101210679B CN2006101478660A CN200610147866A CN101210679B CN 101210679 B CN101210679 B CN 101210679B CN 2006101478660 A CN2006101478660 A CN 2006101478660A CN 200610147866 A CN200610147866 A CN 200610147866A CN 101210679 B CN101210679 B CN 101210679B
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China
Prior art keywords
sludge
cylindrical shell
type
swinging cylindrical
rotary
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Expired - Fee Related
Application number
CN2006101478660A
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Chinese (zh)
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CN101210679A (en
Inventor
张小可
章明川
温俊明
姜秀民
郑赞永
范浩杰
周月桂
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SHANGHAI ENVIRONMENTAL PROTECTION COMPLETE ENGINEERING Co Ltd
Shanghai Jiaotong University
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SHANGHAI ENVIRONMENTAL PROTECTION COMPLETE ENGINEERING Co Ltd
Shanghai Jiaotong University
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Priority to CN2006101478660A priority Critical patent/CN101210679B/en
Publication of CN101210679A publication Critical patent/CN101210679A/en
Application granted granted Critical
Publication of CN101210679B publication Critical patent/CN101210679B/en
Expired - Fee Related legal-status Critical Current
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Abstract

A rotary-type sludge drying/feeding device used with a sludge incinerator is provided, which comprises a hopper, a spiral feeder, a rotary-type drum and a supporter frame. The front end of the rotary-type drum is connected with the discharge end of the spiral feeder. The hopper is connected with the feed end of the spiral feeder. A fume outlet is disposed at the front end of the rotary-type drum and connected thereon with a fume duct. A fume recirculation blower is arranged inside the fume duct. Inner fins are arranged on the inner wall of the rotary-type drum. A mixing shaft is arranged axially inside the rotary-type drum and provided thereon with mixing paddles. The rotary-type drum feeds the sludge incinerator, and dries the sludge inside by using the hot fume inside the sludge incinerator, thereby realizing the drying/incineration integrated treatment. The device omits the intermediate links between the drying and incineration links, such as sludge cooling, sludge storage, sludge transportation and heat medium drying; simplifies the system; reduces the occupied area; and reduces the investment and cost; and minimizes the heat loss.

Description

A kind of gyration type sludge desiccation material-feeding device that is used for sludge incinerator
Technical field:
The present invention relates to mechanical field, relate in particular to sludge drying, incinerator, concrete is a kind of gyration type sludge desiccation material-feeding device that is used for sludge incinerator.
Background technology:
Mud is solid-state, semisolid and the liquid product that sewage disposal process produces, and contains a large amount of organic matters, heavy metal and pathogenic bacteria and pathogen etc., handles and discharging arbitrarily if do not add, and can cause serious pollution to environment.In the prior art, sludge treatment method mainly adopts burning method, burning method has the advantage that processing speed is fast, harmless, the minimizing degree is high, particularly for the area of land resource scarcity, or the high trade effluent mud of poisonous and harmful substance content, burning is unique effective processing mode, and the sludge incineration technology mainly contains fire grate incineration technology, rotary kiln incineration technology, vertical multi-sectional incineration technology and fluidized combustion technology etc.Before mud is carried out burning disposal, need with mud is carried out mummification.At present, sludge drying technique mainly contains rotary drum drying technique, fluid bed drying technique, butterfly drying technique, paddle formula drying technique, disc type drying technique and belt drying technique etc.But, in the prior art, two links of drying and incineration all are provided with respectively on process and equipment, and the conveyance conduit of mud storage and conveying device and mummification thermal medium also must be set between desiccation apparatus and incinerator, and increase corresponding power-equipment.Therefore have system complex in the drying and incineration processing procedure of the prior art, reliability is low, heat loss is big, the thermal efficiency is low, equipment is many, occupation of land is big, cost is high, the technical problem more than conveying process and the auxiliary device.
Summary of the invention:
The purpose of this invention is to provide a kind of gyration type sludge desiccation material-feeding device that is used for sludge incinerator, the described this gyration type sludge desiccation material-feeding device that is used for sludge incinerator will solve the sludge handling process of prior art, and the drying and incineration link is separated on process and equipment, system complex, reliability is low, heat loss is big, the thermal efficiency is low, equipment is many, occupation of land is big, cost is high, conveying process and the many technical problems of auxiliary device.
This gyration type sludge desiccation material-feeding device of sludge incinerator that is used for of the present invention is by hopper, screw(-type) feeder, the swinging cylindrical shell is configured to propping up, described screw(-type) feeder has a feed end and a discharge end, wherein, described swinging cylindrical shell is arranged in the described support, the front end of swinging cylindrical shell is connected with the discharge end of screw(-type) feeder, described hopper is connected with the feed end of screw(-type) feeder, the front end of swinging cylindrical shell is provided with an exhanst gas outlet, be connected with flue on the described exhanst gas outlet, be provided with a flue gas recirculation blower fan in the flue, be provided with a smoke inlet in the back outlet of swinging cylindrical shell, the back outlet of described swinging cylindrical shell is communicated with the combustion chamber of a sludge incinerator, one end of described flue is communicated with the combustion chamber of described sludge incinerator, be arranged at intervals with a plurality of inner fins on the inwall circumference of swinging cylindrical shell, the length direction of any one described inner fin all is parallel to the axial of swinging cylindrical shell, axially be provided with a shaft along it in the swinging cylindrical shell, described shaft is provided with stirring vane, and shaft is connected with driving mechanism with Bearning mechanism.
Further, the axial and horizontal direction of described swinging cylindrical shell is the angle between the 0-10 degree.
Further, described shaft is concentric or eccentric with the swinging cylindrical shell.
Concrete, hopper described in the present invention, screw(-type) feeder, support, flue gas recirculation blower fan and sludge incinerator all adopt known technology of the prior art, about hopper, screw(-type) feeder, support, flue gas recirculation blower fan and sludge incinerator technical scheme in the prior art, those skilled in the art all understands, so do not repeat them here.
Operation principle of the present invention is as follows: the back outlet of swinging cylindrical shell is communicated with the combustion chamber of sludge incinerator, mud enters the swinging cylindrical shell through hopper and screw(-type) feeder, warm flue gas enters the swinging cylindrical shell in the sludge incinerator upper space, mud and flue gas be direct contact heat-exchanging in the process of reverse movement, mud moisture in moving process is constantly evaporated, and the mud of mummification or half-driedization directly enters sludge incinerator by the back outlet of swinging cylindrical shell.When mud moves forward in the swinging cylindrical shell, under the effect of inner fin, constantly kick up and fall, and contact more fully with hot flue gas after the stirring vane fragmentation of being rotated at a relatively high speed, the particle diameter of mud diminish, can obtain higher heat exchange efficiency and mummification efficient.The low-temperature flue gas that contains organic exhaust gas that the exhanst gas outlet of swinging barrel front end is discharged returns the upper space of incinerator by the flue gas recirculation blower fan, make organic exhaust gas in the flue gas recycled in this regional after-flame, the handling problem that has solved the organic exhaust gas that discharges in the mud drying process.The circulating ratio that can regulate the middle temperature flue gas that enters the swinging cylindrical shell by the flue gas recirculation blower fan is to adapt to the drying and incineration of different solid contents, different calorific value mud.The part lime-ash that can also utilize conveying mechanism that sludge incinerator is discharged is transmitted back in the swinging cylindrical shell and carries out blending with dewatered sludge, to solve the sticking wall problem in the mud drying process.
The present invention and prior art compare, and its effect is actively with tangible.The present invention utilizes the charging gear of swinging cylindrical shell as sludge incinerator, in the swinging cylindrical shell, utilize the hot flue gas in the sludge incinerator that mud is carried out mummification, utilize inner fin and the stirring vane established in the swinging cylindrical shell to improve mummification efficient and effect, realized mummification-burning integral, saved the mud cooling between the drying and incineration, store, the intermediate links such as conveying of conveying and mummification thermal medium, system simplification, take up an area of and reduce, reduced cost of investment, heat loss reduces, saved the Auxiliary Power Unit of intermediate link, improve the operational reliability of system, reduced operating cost; Realize the after-flame of the organic exhaust gas that produces in the drying process, need not to be provided with independent organic waste gas treatment equipment; Circulating ratio by warm flue gas in regulating can adapt to the mummification of different solid contents, different calorific value mud.
Description of drawings:
Fig. 1 is the structural representation of an embodiment of the gyration type sludge desiccation material-feeding device that is used for sludge incinerator of the present invention.
Fig. 2 is the internal structure schematic diagram of the swinging cylindrical shell of the gyration type sludge desiccation material-feeding device that is used for sludge incinerator of the present invention.
The specific embodiment:
As shown in Figure 1, the gyration type sludge desiccation material-feeding device that is used for sludge incinerator of the present invention, by hopper 1, screw(-type) feeder 2, swinging cylindrical shell 5 and support 7 constitute, described screw(-type) feeder 2 has a feed end and a discharge end, wherein, described swinging cylindrical shell 5 is arranged in the described support 7, the front end of swinging cylindrical shell 5 is connected with the discharge end of screw(-type) feeder 2, described hopper 1 is connected with the feed end of screw(-type) feeder 2, the front end of swinging cylindrical shell 5 is provided with an exhanst gas outlet 6, be connected with flue 4 on the described exhanst gas outlet 6, be provided with a flue gas recirculation blower fan 3 in the flue 4, be provided with a smoke inlet 8 in the back outlet 9 of swinging cylindrical shell 5, the back outlet 9 of described swinging cylindrical shell 5 is communicated with the combustion chamber of a sludge incinerator 13, one end of described flue 4 is communicated with the combustion chamber of described sludge incinerator 13, as shown in Figure 2, be arranged at intervals with a plurality of inner fins 10 on the inwall circumference of swinging cylindrical shell 5, the length direction of any one described inner fin 10 all is parallel to the axial of swinging cylindrical shell 5, axially be provided with a shaft 11 along it in the swinging cylindrical shell 5, described shaft 11 is provided with stirring vane 12, and shaft 11 is connected with the driving mechanism (not shown) with the Bearning mechanism (not shown).
Further, the axial and horizontal direction of described swinging cylindrical shell 5 is the angle between the 0-10 degree.
Further, described shaft 11 is concentric or eccentric with swinging cylindrical shell 5.

Claims (3)

1. gyration type sludge desiccation material-feeding device that is used for sludge incinerator, by hopper, screw(-type) feeder, the swinging cylindrical shell is configured to propping up, described screw(-type) feeder has a feed end and a discharge end, it is characterized in that: described swinging cylindrical shell is arranged in the described support, the front end of swinging cylindrical shell is connected with the discharge end of screw(-type) feeder, described hopper is connected with the feed end of screw(-type) feeder, the front end of swinging cylindrical shell is provided with an exhanst gas outlet, be connected with flue on the described exhanst gas outlet, be provided with a flue gas recirculation blower fan in the flue, be provided with a smoke inlet in the back outlet of swinging cylindrical shell, the back outlet of swinging cylindrical shell is communicated with the combustion chamber of a sludge incinerator, one end of flue is communicated with the combustion chamber of described sludge incinerator, be arranged at intervals with a plurality of inner fins on the inwall circumference of swinging cylindrical shell, the length direction of any one described inner fin all is parallel to the axial of swinging cylindrical shell, axially be provided with a shaft along it in the swinging cylindrical shell, described shaft is provided with stirring vane, and shaft is connected with driving mechanism with Bearning mechanism.
2. the gyration type sludge desiccation material-feeding device that is used for sludge incinerator as claimed in claim 1 is characterized in that: the axial and horizontal direction of described swinging cylindrical shell is the angle between the 0-10 degree.
3. the gyration type sludge desiccation material-feeding device that is used for sludge incinerator as claimed in claim 1 is characterized in that: described shaft is concentric or eccentric with the swinging cylindrical shell.
CN2006101478660A 2006-12-25 2006-12-25 Gyration type sludge desiccation material-feeding device for sludge burning furnace Expired - Fee Related CN101210679B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2006101478660A CN101210679B (en) 2006-12-25 2006-12-25 Gyration type sludge desiccation material-feeding device for sludge burning furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2006101478660A CN101210679B (en) 2006-12-25 2006-12-25 Gyration type sludge desiccation material-feeding device for sludge burning furnace

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CN101210679B true CN101210679B (en) 2010-10-13

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102211846B (en) * 2010-04-09 2013-05-22 北京朗新明环保科技有限公司 Drier
CN104312654B (en) * 2014-10-16 2016-08-24 无锡华光锅炉股份有限公司 A kind of fuel mud preparation facilities
CN105084707B (en) * 2014-11-11 2017-04-26 浙江三联环保科技股份有限公司 Sludge fragmentation-type drying device
CN104909534B (en) * 2015-04-03 2017-04-26 浙江三联环保科技股份有限公司 Rotor drying device capable of preventing sludge hardening
CN105948431B (en) * 2016-06-24 2019-04-05 广州凯能电器科技有限公司 A kind of sludge drying automatic production line

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2463697Y (en) * 2001-02-08 2001-12-05 安泰升有限公司 Wet sludge drying and incinerating device
JP3326502B2 (en) * 1991-05-14 2002-09-24 株式会社大川原製作所 Drying method of paste-like substance by rotary dryer
CN1587127A (en) * 2004-07-08 2005-03-02 浙江大学 Reflux type temperature controllable sludge drying device and method
CN200986195Y (en) * 2006-12-25 2007-12-05 上海环保工程成套有限公司 Rotary type sludge anhydration material supplying mechanism used for sludge incinerator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3326502B2 (en) * 1991-05-14 2002-09-24 株式会社大川原製作所 Drying method of paste-like substance by rotary dryer
CN2463697Y (en) * 2001-02-08 2001-12-05 安泰升有限公司 Wet sludge drying and incinerating device
CN1587127A (en) * 2004-07-08 2005-03-02 浙江大学 Reflux type temperature controllable sludge drying device and method
CN200986195Y (en) * 2006-12-25 2007-12-05 上海环保工程成套有限公司 Rotary type sludge anhydration material supplying mechanism used for sludge incinerator

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