CN203772036U - Sintering flue gas dust collecting and discharging device - Google Patents

Sintering flue gas dust collecting and discharging device Download PDF

Info

Publication number
CN203772036U
CN203772036U CN201420168850.8U CN201420168850U CN203772036U CN 203772036 U CN203772036 U CN 203772036U CN 201420168850 U CN201420168850 U CN 201420168850U CN 203772036 U CN203772036 U CN 203772036U
Authority
CN
China
Prior art keywords
dust collecting
collecting pipe
ash
tail
head
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn - After Issue
Application number
CN201420168850.8U
Other languages
Chinese (zh)
Inventor
张志刚
郑绥旭
闫为群
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MCC North Dalian Engineering Technology Co Ltd
Northern Engineering and Technology Corp MCC
Original Assignee
MCC North Dalian Engineering Technology Co Ltd
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 MCC North Dalian Engineering Technology Co Ltd filed Critical MCC North Dalian Engineering Technology Co Ltd
Priority to CN201420168850.8U priority Critical patent/CN203772036U/en
Application granted granted Critical
Publication of CN203772036U publication Critical patent/CN203772036U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

Links

Landscapes

  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

The utility model relates to a sintering flue gas dust collecting and discharging device which is characterized in that a machine head dust collecting pipe, a machine tail dust collecting pipe, an air inlet pipeline I, an air inlet pipeline II, large dust collecting buckets, a small dust collecting bucket and a flue gas outlet pipeline, wherein the machine head dust collecting pipe and the machine tail dust collecting pipe are communicated through a connection pipe, the large dust collecting buckets are arranged under the machine head dust collecting pipe and the machine tail dust collecting pipe respectively, the small dust collecting bucket is disposed on the connection pipe, the flue gas outlet pipeline is arranged on the machine head dust collecting pipe, the air inlet pipeline I is connected with the top of the machine head dust collecting pipe in the tangent direction, and the air inlet pipeline II is connected with the top of the machine tail dust collecting pipe in the tangent direction. Flue gas is introduced into the machine head dust collecting pipe and the machine tail dust collecting pipe through the air inlet pipeline I and the air inlet pipeline II, and then axially moves in a screw rotation mode, and dust collecting and discharging are achieved through the large dust collecting buckets and the small dust collecting bucket respectively. The dust collecting and discharging device is simple and reasonable in structure, high in application value, capable of effectively solving the treatment problem of waste gas and dust in a machine head air box and in a machine tail air box and remarkable in dust collecting and discharging effect, and a dust collecting and discharging method is simple and practical.

Description

A kind of sinter fume collection ash, ash exhauster
Technical field
The utility model relates to sinter fume treatment technology in metallurgy industry, particularly a kind of sinter fume collection ash, ash exhauster.
Background technology
In sintering production process, can produce a large amount of hot flue gases, the flue gas producing in traditional sintering process enters main depositing dust pipe by bellows, then is arranged outward by the main system of taking out.And sinter fume circulation technology, the flue gas that can choose a part of bellows participates in sintering process again.If the sinter fume of choosing in the several bellows of sintering device handpiece and the several bellows of tail carries out cycle sintering, will first the flue gas in the flue gas in head bellows and tail bellows be pooled in a circulating flue gas main pipeline, then by main pipeline, deliver to deduster, after dust removal process, by circulating fan, deliver in circulating flue gas cover and participate in sintering process again.From the reasonability of design, construction, consider, above-mentioned circulating flue gas main pipeline is horizontally disposed along sintering machine direction, and nearer apart from agglomerating chamber's factory building, this has just determined to be separately this root circulating flue gas main pipeline configuration cleaner, if but the dust not solving in flue gas is collected and emission problem, long operational time, circulating flue gas main pipeline will be stopped up by dust, thereby affects normally carrying out of SINTERING PRODUCTION.
Summary of the invention
The purpose of this utility model is for a kind of sinter fume collection ash, ash exhauster are provided, to solve the problem that in existing sinter fume circulation technology, in circulating flue gas main pipeline, dust stratification stops up.
The technical solution of the utility model is:
A kind of sinter fume collection ash, ash exhauster, it is characterized in that: comprise the head dust collecting pipe and the tail dust collecting pipe that utilize tube connector to be communicated with, for being connected to the admission line I between head bellows and head dust collecting pipe, for being connected to the admission line II between tail bellows and tail dust collecting pipe, be located at respectively the dust of head dust collecting pipe and tail dust collecting pipe below and collect large bucket, a plurality of dusts of being located on tube connector are collected little bucket, be located at the exhanst gas outlet pipeline on head dust collecting pipe, the caliber of described admission line I is less than the caliber of described head dust collecting pipe and with tangential direction, is connected to the top of described head dust collecting pipe, the caliber of described admission line II is less than the caliber of described tail dust collecting pipe and with tangential direction, is connected to the top of described tail dust collecting pipe.
Above-mentioned sinter fume collection ash, ash exhauster, described dust is collected in large bucket and is provided with grate plate formula travelling platform, so that staff's maintenance.
Above-mentioned sinter fume collection is grey, ash exhauster, and described dust is collected large bucket below and is provided with Double-deck cinder discharge valve, regularly to discharge the dust of collecting in the large bucket of dust collection.
Above-mentioned sinter fume collection ash, ash exhauster, described dust is collected little bucket below and is connected with ash releasing tube, described ash releasing tube below is provided with individual layer weight lock wind unloading valve, with realize when dust deposit during to constant weight valve automatically open, dust emissions late gate is closed automatically.
Above-mentioned sinter fume collection ash, ash exhauster, described tube connector is provided with many places expansion joint, to compensate the thermal expansion of connecting pipe.
Above-mentioned sinter fume collection ash, ash exhauster, described head dust collecting pipe and the one-sided shutoff of tail dust collecting pipe, described admission line I is close to the shutoff end of described head dust collecting pipe, described admission line II is close to the shutoff end of described tail dust collecting pipe, described exhanst gas outlet pipeline is close to the connector end of described head dust collecting pipe, to realize and admission line I interlaced arrangement, guarantee dust-laying effect.
Above-mentioned sinter fume collection ash, ash exhauster, the caliber of described tube connector is less than the caliber of described head dust collecting pipe and tail dust collecting pipe, to have accelerated flow of flue gas speed with respect to collecting pipe.
Above-mentioned sinter fume collection ash, ash exhauster, described admission line I, admission line II, head dust collecting pipe, tail dust collecting pipe, tube connector, dust are collected large bucket, dust and are collected little bucket, ash releasing tube, exhanst gas outlet pipeline inwall and be equipped with wear-resistant coating, to prevent that ash-laden gas from washing away inwall, cause for a long time local leakage to affect flue gas recirculation utilization.
Above-mentioned sinter fume collection ash, ash exhauster, it is stepped that described dust is collected the longitudinal section of little bucket, to form material lining, prevents that flue gas flow rate from crossing quick-wearing headwall.
The beneficial effects of the utility model are:
1, admission line I, II is connected to head with tangential direction, the top of tail dust collecting pipe, flue gas is by admission line I, II tangentially enters head, in tail dust collecting pipe, due to stream condition, flue gas moves in a circle the inwall along dust collecting pipe, flue gas also will move to tube connector from dust collecting pipe simultaneously, the motion of this two direction combines, flue gas will be in the mode with spiral rotating along the axially-movable of dust collecting pipe in dust collecting pipe, due to the moment increase of caliber sectional area, most of dust in flue gas is affected by gravity nature and falls in the large bucket of dust collection of collecting pipe below with to be discharged, residue dust is collected little bucket by the dust on tube connector and is completed collection and discharge.Separately, because admission line caliber is less than dust collecting pipe caliber, in admission line, flue gas flow rate is fast, has given the enough power of flue gas " spiral rotating ", is more conducive to the sedimentation of the dirt in flue gas.This collection ash, ash exhauster be simple and reasonable, its collection ash, ash discharge method simple practical, and using value is high, has effectively solved the processing problem of head, tail bellows waste gas dust, and collection ash, ash discharge effect are remarkable;
2, the exhanst gas outlet pipeline in this collection ash, ash exhauster is located on head dust collecting pipe, is guaranteed that flue gas that in head bellows, water content is larger moves distance in circulation house steward shorter, is beneficial to dedusting;
3, in this collection ash, ash exhauster except Double-deck cinder discharge valve, individual layer weight lock wind unloading valve, expansion joint, all the other are structure steel fabrication part, have saved cost of manufacture;
4, this collection ash, its installation environment of ash exhauster are agglomerating chamber's factory building one side, along the direction of sintering machine operation, have effectively utilized the device space.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 be in Fig. 1 A-A to profile;
Fig. 3 be in Fig. 1 B-B to profile;
Fig. 4 be in Fig. 1 C-C to profile;
Fig. 5 be in Fig. 1 D-D to profile;
Fig. 6 is I portion enlarged drawing in Fig. 1.
In figure: admission line I 1, head dust collecting pipe 2, tail dust collecting pipe 3, dust are collected bucket 4, tube connector 5, dust greatly and collected little bucket 6, ash releasing tube 7, Double-deck cinder discharge valve 8, individual layer weight lock wind unloading valve 9, exhanst gas outlet pipeline 10, wear-resistant coating 11, grate plate formula travelling platform 12, expansion joint 13, admission line II 14.
The specific embodiment
As shown in the figure, this sinter fume collection ash, ash exhauster, by the head dust collecting pipe 2 and the tail dust collecting pipe 3 that utilize tube connector 5 to be communicated with, for being connected to the admission line I 1 between head bellows and head dust collecting pipe 2, for being connected to the admission line II 14 between tail bellows and tail dust collecting pipe 3, be located at respectively the dust of head dust collecting pipe 2 and tail dust collecting pipe 3 belows and collect large bucket 4, a plurality of dusts of being located on tube connector 5 are collected little bucket 6, be located at the exhanst gas outlet pipeline 10 on head dust collecting pipe 2, be located at described dust and collect the grate plate formula travelling platform 12 in large bucket 4, be located at described dust and collect the Double-deck cinder discharge valve 8 of large bucket 4 belows, be connected in described dust and collect the ash releasing tube 7 of little bucket 6 belows, the individual layer weight lock wind unloading valve 9 of being located at described ash releasing tube 7 belows forms.
Wherein, the caliber of described admission line I 1 is less than the caliber of described head dust collecting pipe 2 and with tangential direction, is connected to the top of described head dust collecting pipe 2, and the caliber of described admission line II 14 is less than the caliber of described tail dust collecting pipe 3 and with tangential direction, is connected to the top of described tail dust collecting pipe 3.
The caliber of described tube connector 5 is less than the caliber of described head dust collecting pipe 2 and tail dust collecting pipe 3.Described head dust collecting pipe 2 and the 3 one-sided shutoff of tail dust collecting pipe, described admission line I 1 is close to the shutoff end of described head dust collecting pipe 2, described admission line II 14 is close to the shutoff end of described tail dust collecting pipe 3, and described exhanst gas outlet pipeline 10 is close to the connector end of described head dust collecting pipe 2.In the present embodiment, air-tightness for assurance device, improve the reliability of device, admission line I, II 1,14, head dust collecting pipe 2, tail dust collecting pipe 3, tube connector 5, dust are collected large bucket 4, dust is collected little bucket 6, ash releasing tube 7, exhanst gas outlet pipeline 10 and all adopted each other welding manner to connect, and described tube connector 5 is provided with many places expansion joint 13.
The quantity that described dust is collected little bucket 6 is 3, and longitudinal section is stepped, referring to Fig. 6, can form like this material lining, effectively protects equipment.
Described admission line I 1, admission line II 14, head dust collecting pipe 2, tail dust collecting pipe 3, tube connector 5, dust are collected large bucket 4, dust and are collected little bucket 6, ash releasing tube 7, exhanst gas outlet pipeline 10 inwalls and be equipped with wear-resistant coating 11.
Utilize the sinter fume collection ash of said apparatus, ash discharge method is: sintering device handpiece flue gas is introduced wherein by head dust collecting pipe 2 tops with tangential direction by admission line I 1, rear of sintering machine flue gas is introduced wherein by tail dust collecting pipe 3 tops with tangential direction by admission line II 14, the flue gas that enters into head dust collecting pipe 2 and tail dust collecting pipe 3 respectively in the mode of spiral rotating along collecting pipe axially-movable, the dust that most of dust in flue gas gravitate in the situation that of pipeline section moment increase drops down onto below collecting pipe is collected in large bucket 4, laying dust regularly discharges by Double-deck cinder discharge valve 8, residue dust is with the tube connector 5 between flue gas flow direction head dust collecting pipe 2 and tail dust collecting pipe 3, and in flow process, gravitate drops down onto on tube connector 5 a plurality of dusts that arrange and collects in little bucket 6, collects ash releasing tube 7 and 9 discharges of individual layer weight lock wind unloading valve of little bucket 6 belows by dust, flue gas after depositing dust escapes and enter smoke circulating system and again participates in sintering process through being located at exhanst gas outlet pipeline 10 on head dust collecting pipe 2.

Claims (9)

1. a sinter fume collection is grey, ash exhauster, it is characterized in that: comprise the head dust collecting pipe and the tail dust collecting pipe that utilize tube connector to be communicated with, for being connected to the admission line I between head bellows and head dust collecting pipe, for being connected to the admission line II between tail bellows and tail dust collecting pipe, be located at respectively the dust of head dust collecting pipe and tail dust collecting pipe below and collect large bucket, a plurality of dusts of being located on tube connector are collected little bucket, be located at the exhanst gas outlet pipeline on head dust collecting pipe, the caliber of described admission line I is less than the caliber of described head dust collecting pipe and with tangential direction, is connected to the top of described head dust collecting pipe, the caliber of described admission line II is less than the caliber of described tail dust collecting pipe and with tangential direction, is connected to the top of described tail dust collecting pipe.
2. sinter fume collection ash according to claim 1, ash exhauster, is characterized in that: described dust is collected in large bucket and is provided with grate plate formula travelling platform.
3. sinter fume collection ash according to claim 1, ash exhauster, is characterized in that: described dust is collected large bucket below and is provided with Double-deck cinder discharge valve.
4. sinter fume collection ash according to claim 1, ash exhauster, is characterized in that: described dust is collected little bucket below and is connected with ash releasing tube, and described ash releasing tube below is provided with individual layer weight lock wind unloading valve.
5. sinter fume collection ash according to claim 1, ash exhauster, is characterized in that: described tube connector is provided with many places expansion joint.
6. sinter fume collection according to claim 1 ash, ash exhauster, it is characterized in that: described head dust collecting pipe and the one-sided shutoff of tail dust collecting pipe, described admission line I is close to the shutoff end of described head dust collecting pipe, described admission line II is close to the shutoff end of described tail dust collecting pipe, and described exhanst gas outlet pipeline is close to the connector end of described head dust collecting pipe.
7. sinter fume collection ash according to claim 1, ash exhauster, is characterized in that: the caliber of described tube connector is less than the caliber of described head dust collecting pipe and tail dust collecting pipe.
8. sinter fume collection according to claim 1 ash, ash exhauster, is characterized in that: described admission line I, admission line II, head dust collecting pipe, tail dust collecting pipe, tube connector, dust are collected large bucket, dust and collected little bucket, ash releasing tube, exhanst gas outlet pipeline inwall and be equipped with wear-resistant coating.
9. sinter fume collection according to claim 1 ash, ash exhauster, is characterized in that: it is stepped that described dust is collected the longitudinal section of little bucket.
CN201420168850.8U 2014-04-09 2014-04-09 Sintering flue gas dust collecting and discharging device Withdrawn - After Issue CN203772036U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420168850.8U CN203772036U (en) 2014-04-09 2014-04-09 Sintering flue gas dust collecting and discharging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420168850.8U CN203772036U (en) 2014-04-09 2014-04-09 Sintering flue gas dust collecting and discharging device

Publications (1)

Publication Number Publication Date
CN203772036U true CN203772036U (en) 2014-08-13

Family

ID=51289221

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420168850.8U Withdrawn - After Issue CN203772036U (en) 2014-04-09 2014-04-09 Sintering flue gas dust collecting and discharging device

Country Status (1)

Country Link
CN (1) CN203772036U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103884198A (en) * 2014-04-09 2014-06-25 中冶北方(大连)工程技术有限公司 Device and method for dust collection and discharge of sintering flue gas

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103884198A (en) * 2014-04-09 2014-06-25 中冶北方(大连)工程技术有限公司 Device and method for dust collection and discharge of sintering flue gas
CN103884198B (en) * 2014-04-09 2015-06-17 中冶北方(大连)工程技术有限公司 Device and method for dust collection and discharge of sintering flue gas

Similar Documents

Publication Publication Date Title
CN107525088A (en) A kind of deashing device and operation method for the low low-level (stack-gas) economizer of thermal power plant
CN104740969B (en) A kind of boiling type granular bed filter deduster
CN103884198B (en) Device and method for dust collection and discharge of sintering flue gas
CN201394515Y (en) Modular multiclone dust collector
CN111068446B (en) Sintering flue gas circulation system and ash removal method of sintering flue gas circulation system
CN206428184U (en) A kind of external heat Multi-tube composite pyrolysis plant
CN203772036U (en) Sintering flue gas dust collecting and discharging device
CN102175073B (en) Iron ore concentrate drying device and method for pelletizing
CN105021051B (en) A kind of waste heat of cupola furnace utilizes dedusting and desulphurization integrated system
CN101629725A (en) Method for reducing ash fouling of air preheater of coal burning boiler and cyclone separator therefor
CN204996282U (en) An integrated device for flue gas dust and NOX ultra-low emission
CN201768448U (en) Bag-type dust collector
CN207585376U (en) A kind of fiery grading plant that disappears that gathers dust of cement produced with the dry method rotary kiln grate-cooler
CN106197042A (en) Rotary hearth furnace high-temperature high dust flue gas processing method
CN203007302U (en) Semi-dry dust-removing device for converter flue gas
CN201658894U (en) A cement kiln exhaust gas dust separator
CN205783007U (en) A kind of economizer pipeline dust remover
CN206266486U (en) Cleaning shaft adheres to tar-processing system
CN204555655U (en) A kind of environment-friendly type air blast smelting furnace
CN206082151U (en) Desulfurization and dust removal system of living beings power plant based on two -stage is removed dust
CN204224624U (en) The thick collection device of a kind of blast furnace gas dust
CN211204907U (en) Ash discharging structure for hot air duct of chain grate
CN102401573B (en) An air intake system for waste heat power generation of flue gas discharged from cement kiln bypass
CN203577479U (en) Sintering flue gas dust falling device
CN203810917U (en) Production-increasing modification system for sintering machine

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20140813

Effective date of abandoning: 20150617

RGAV Abandon patent right to avoid regrant