CN2171094Y - Lift rotary dust collector for electric furnace - Google Patents
Lift rotary dust collector for electric furnace Download PDFInfo
- Publication number
- CN2171094Y CN2171094Y CN 93222460 CN93222460U CN2171094Y CN 2171094 Y CN2171094 Y CN 2171094Y CN 93222460 CN93222460 CN 93222460 CN 93222460 U CN93222460 U CN 93222460U CN 2171094 Y CN2171094 Y CN 2171094Y
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- Prior art keywords
- sleeve
- flue
- outer sleeve
- wall
- gear
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Abstract
The utility model discloses a lift rotary dust collector for industrial electric furnaces, which is mainly composed of a collecting hood, a wind suction flue, a lifting mechanism and a rotating mechanism. The lifting mechanism is formed by the way that the lower section part of a vertical flue is designed into a sleeve type movable flue, and uses an oil cylinder to drive the device to rise and fall. The rotating mechanism is formed by the way that the inner periphery of a tooth sector and the root part of an outer sleeve are welded into a whole. The lower end of the outer sleeve forms a sliding and rotating connection with a fixing base. An oil motor is used for driving the tooth sector to drive the whole device to rotate. The utility model has the advantages of good collecting effect, flexible technological operation, convenient maintenance and repair, simple structure, reasonable design, no need of a water cooling system, small occupation of land and few investment, and is suitable for the technical innovation of old factories.
Description
The utility model relates to a kind of dust trapping device, is particularly suitable for the smoke catching of industrial furnace, belongs to environmental protection and ventilating dust-removing technology field.
At present, a large amount of high-temperature smokes and the pernicious gas that in the industrial furnace production process, produce, the general dust trapping devices such as pincerlike cover, side-draught hood and roof cover that adopt, these devices all are to be installed in furnace roof or top, furnace side respectively more.When electric furnace was produced, flue dust was discharged by the top, and pressure and temperature is all higher, and the speed of upper punch is also bigger, and pincerlike cover and side-draught hood be suction from the side only, and control range is little, and smoke catching efficient is low; Though the roof cover can overcome the shortcoming of above-mentioned two kinds of fume trap covers, change electrode and reinforced operation for ease of the electric furnace Maintenance and Repair with in producing, it must be covered the position and install higherly, generally all be placed on the factory building top.Because of its position height, flue gas enters the distance of petticoat pipe, thereby the smoke catching effect is not high yet.
Newly-designed industrial furnace also has the half-sealed cover of employing and totally-enclosed cover, is about to whole body of heater, covers in the big cover, the smoke evacuation pick-up performance is good, but takes up an area of greatly, and investment is high, be unsuitable for and modernize and expand the existing factory, smoke evacuation requires that strict cooling water system is arranged in the stove, and Maintenance and Repair and management are complicated.Because totally-enclosed, workman's vision when operation weakens, and furnace operation and smelting atmosphere are all had certain influence.
The purpose of this utility model is to overcome the weak point of above-mentioned various dust trapping devices, providing a kind of is arranged near electric furnace fire door top, and liftable and rotating fume trap cover, electric furnace can make full use of the air-flow of hot flue gas upper punch when producing, whole or the big portion of flue dust is entered in the cover, thereby reach the purpose of efficient capture.Because of flue gas in uphill process, sneak into a part of room air simultaneously, flue-gas temperature is descended, thereby reduced requirement, so this device does not need to be provided with water-cooling system the petticoat pipe cooling.Be designed in height can lifting because of petticoat pipe again, can turn round in the horizontal direction, this to electric furnace reinforced at any time in process of production and change electrode and Maintenance and Repair all very convenient, this has just solved the contradiction between smoke catching, production operation and the Maintenance and Repair preferably.
The utility model is achieved in that this dust trapping device is made up of fume trap cover, exhausting flue, firm banking, lifting and slew gear.
Fume trap cover top is taper, and the bottom is circular, is positioned at suitably height of electric furnace fire door top, makes from the whole or big portion of flue dust that fire door is discharged to enter in the cover body.
The exhausting flue divide level with vertical two sections, an end and the fume trap cover tapered portion of horizontal flue are welded as a whole, the other end is fixedlyed connected with the vertical gas pass upper end by ring flange and elbow.
The hypomere partial design of vertical gas pass becomes the sleeve removable flue, forms the elevating mechanism of this device with a pair of hoist cylinder, and to be inner sleeve outer wall contact sealing with the tangent tangent line of outer sleeve inwall to its movable sealing, but and upper and lower displacement.Fixedly connected with the epimere vertical gas pass by ring flange in the inner sleeve upper end, the outer sleeve upper end is connected with the firm banking movable sealing.The two ends up and down of hoist cylinder are fixedly welded on respectively on the outer wall of inside and outside sleeve, with its power as oscilaltion.Moving the contact position at inside and outside sleeve has a keyway arrangements, and its effect one is that restriction allows height along the keyway lifting, and the 2nd, prevent that inside and outside sleeve from relatively rotating.In addition, on the inner sleeve outer wall, be provided with one indicate scale hit chi and one group of travel switch, the operator can the lifting of whole device directly perceived in allowing altitude range.
Slew gear is made up of sector gear and oil motor, and the inner rim of sector gear and outer sleeve root weld are one, the stud wheel engagement of the periphery gear of sector gear and oil motor below, and outer sleeve lower end root and firm banking are rotationally connected for sliding.When starting oil motor, the stud wheel of oil motor below drives sector gear and rotates, and moves horizontally in fan-shaped angular range thereby drive whole device.
The lower end of firm banking is passed the furnace operation platform, is connected with clarifying smoke system conveyance conduit by ring flange and elbow, and is fixed on a side of electric furnace on the operating platform jointly with the support of oil motor.
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is the basic view of capturing device;
Fig. 2 is that the K of Fig. 1 is to vertical view;
Fig. 3 is the A-A cutaway view of Fig. 1.
Structure of the present utility model such as Fig. 1, Fig. 2, shown in Figure 3.It is made up of fume trap cover ［ 1 ］, exhausting flue, firm banking ［ 8 ］, lifting and slew gear.
The exhausting flue is divided into movable flue three parts of horizontal flue ［ 14 ］, epimere vertical gas pass ［ 3 ］ and hypomere.One end of horizontal flue ［ 14 ］ and fume trap cover ［ 1 ］ tapered portion are welded as a whole, and the other end is fixedlyed connected with vertical gas pass ［ 3 ］ upper end with ring flange by elbow ［ 2 ］.The hypomere partial design of vertical gas pass becomes the sleeve removable flue, form the elevating mechanism of this device with hoist cylinder ［ 13 ］, being inner sleeve ［ 4 ］ outer wall contacts sealing with the tangent tangent line of outer sleeve ［ 5 ］ inwall is movable, fixedly connected with epimere vertical gas pass ［ 3 ］ by ring flange in inner sleeve ［ 4 ］ upper end, outer sleeve ［ 5 ］ lower end is connected with firm banking ［ 8 ］ slipper seal.The two ends up and down of oil cylinder ［ 13 ］ are weldingly fixed on respectively on the outer wall of inside and outside sleeve.Have a keyway ［ 16 ］ at the outer wall of inner sleeve ［ 4 ］ and the inwall contact position of outer sleeve ［ 5 ］, and be provided with a flat key ［ 15 ］ that matches with keyway ［ 16 ］.Be provided with a lifting at the opposite side of the outer wall of the inner sleeve ［ 4 ］ of the movable contact position of inside and outside sleeve and hit chi ［ 6 ］, one group of travel switch ［ 7 ］ is housed in the homonymy relevant position of outer sleeve ［ 5 ］.
Slew gear is made up of sector gear ［ 10 ］ and oil motor ［ 12 ］, and the inner rim of sector gear ［ 10 ］ and the outside, outer sleeve ［ 5 ］ lower end are welded as a whole, the stud wheel engagement of the periphery gear of sector gear ［ 10 ］ and oil motor ［ 12 ］ below.
Firm banking ［ 8 ］ upper end is rotationally connected for sliding with outer sleeve ［ 5 ］ lower end root, passing the furnace operation platform, be connected with clarifying smoke system conveyance conduit by ring flange and elbow ［ 9 ］ in its lower end, and is fixed on a side of electric furnace on the operating platform jointly with the support ［ 11 ］ of oil motor ［ 12 ］.
Electric furnace production is reinforced and when changing electrode, elder generation's pressing elevating mechanism button, hoist cylinder ［ 13 ］ is with inner sleeve ［ 4 ］ jack-up, thereby fume trap cover ［ 1 ］ is upwards promoted, after treating that fume trap cover ［ 1 ］ lower edge is higher than electrode tip, pressing slew gear button again, start that oil motor ［ 12 ］ drives sector gear ［ 10 ］ and with whole capturing device, along continuous straight runs rotates to an angle, make fume trap cover ［ 1 ］ be rotated away electric furnace fire door top, its position is to satisfy reinforced and to change the easy to operate of electrode and be advisable.When electric furnace is normally smelted, can fume trap cover ［ 1 ］ be placed on suitable position, electric furnace fire door top by revolution and elevating mechanism, whole or the big portion of flue dust that electric furnace smelting is produced enters in the petticoat pipe, be transported to the cleaning system purified treatment by the exhausting flue, thereby reach smoke abatement and dust control and improve the purpose of the environment of plant.
The utility model shows through practical application, captures effectively, and technological operation is flexible, and Maintenance and Repair are easy.This capturing device is simple in structure, and is reasonable in design, and do not need water-cooling system.Take up an area of for a short time, small investment is suitable for the technological transformation of old factory.
Claims (4)
1, a kind of dust trapping device that is used for industrial furnace, it mainly is made up of fume trap cover [1], exhausting flue, firm banking [8], lifting and slew gear, it is characterized in that:
1., elevating mechanism is to become sleeve removable flue and a pair of hoist cylinder [13] to form vertical gas pass hypomere partial design, the tangent tangent line contact movable sealing of inner sleeve [4] outer wall and outer sleeve [5] inwall is connected, and hoist cylinder [13] two ends up and down is welded on respectively on the outer wall of inside and outside sleeve;
2., slew gear is made up of a sector gear [10] and an oil motor [12], the inner rim of sector gear [10] and the outside, outer sleeve [5] lower end are welded as a whole, the periphery gear of sector gear [10] meshes with the stud wheel of oil motor [12] below.
2, dust trapping device according to claim 1 is characterized in that the root of outer sleeve ［ 5 ］ and firm banking ［ 8 ］ are rotationally connected for sliding.
3,, it is characterized in that having a keyway ［ 16 ］, and be provided with a flat key ［ 15 ］ that matches with keyway ［ 16 ］ at the outer wall of inner sleeve ［ 4 ］ and the inwall contact position of outer sleeve ［ 5 ］ according to the 1. described dust trapping device of claim 1.
4,, it is characterized in that on the opposite side outer wall of the inner sleeve ［ 4 ］ of the movable contact position of inside and outside sleeve a lifting being housed hits chi ［ 6 ］ and one group of travel switch ［ 7 ］ according to the 1. described dust trapping device of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93222460 CN2171094Y (en) | 1993-09-07 | 1993-09-07 | Lift rotary dust collector for electric furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93222460 CN2171094Y (en) | 1993-09-07 | 1993-09-07 | Lift rotary dust collector for electric furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2171094Y true CN2171094Y (en) | 1994-07-06 |
Family
ID=33801039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93222460 Expired - Fee Related CN2171094Y (en) | 1993-09-07 | 1993-09-07 | Lift rotary dust collector for electric furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2171094Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1309845C (en) * | 1999-06-08 | 2007-04-11 | 技术资源有限公司 | Direct smelting furnace |
| CN100588843C (en) * | 2007-12-05 | 2010-02-10 | 中国重型机械研究院 | Hydraulic up-down swing mechanism |
| CN103953383A (en) * | 2014-04-16 | 2014-07-30 | 江西四通重工机械有限公司 | Multi-degree-of-freedom in-laneway dust catcher |
-
1993
- 1993-09-07 CN CN 93222460 patent/CN2171094Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1309845C (en) * | 1999-06-08 | 2007-04-11 | 技术资源有限公司 | Direct smelting furnace |
| CN100588843C (en) * | 2007-12-05 | 2010-02-10 | 中国重型机械研究院 | Hydraulic up-down swing mechanism |
| CN103953383A (en) * | 2014-04-16 | 2014-07-30 | 江西四通重工机械有限公司 | Multi-degree-of-freedom in-laneway dust catcher |
| CN103953383B (en) * | 2014-04-16 | 2016-08-31 | 江西四通重工机械有限公司 | Dust trapping device in a kind of multiple degrees of freedom tunnel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |