CN113587654A - Feeding device for resistance furnace - Google Patents
Feeding device for resistance furnace Download PDFInfo
- Publication number
- CN113587654A CN113587654A CN202110684518.1A CN202110684518A CN113587654A CN 113587654 A CN113587654 A CN 113587654A CN 202110684518 A CN202110684518 A CN 202110684518A CN 113587654 A CN113587654 A CN 113587654A
- Authority
- CN
- China
- Prior art keywords
- furnace
- material box
- resistance furnace
- section
- electric resistance
- 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.)
- Pending
Links
- 239000000843 powder Substances 0.000 claims abstract description 8
- 229910000628 Ferrovanadium Inorganic materials 0.000 claims abstract description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- PNXOJQQRXBVKEX-UHFFFAOYSA-N iron vanadium Chemical compound [V].[Fe] PNXOJQQRXBVKEX-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 7
- 239000010703 silicon Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 57
- 229910000831 Steel Inorganic materials 0.000 claims description 48
- 239000010959 steel Substances 0.000 claims description 48
- 239000011449 brick Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 description 6
- 244000309464 bull Species 0.000 description 4
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/12—Travelling or movable supports or containers for the charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
- F27D2007/066—Vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention provides a feeding device for a resistance furnace, which comprises: a storage box for holding silicon ferrovanadium powder, the stack pallet of hauling the storage box and removing, be equipped with the fire door in the vacuum resistance furnace, the fire door both sides are equipped with the stove top, and the upper portion width of stove top is greater than the width of storage box, and the width between the stove top is less than the storage box width, and the stack pallet drives the fire door entering of storage box from the vacuum resistance furnace, mainly used realizes automatic feeding and ejection of compact.
Description
Technical Field
The invention relates to a feeding device, in particular to a feeding device for a resistance furnace.
Background
As a large-scale heat treatment device with high energy consumption in a vacuum resistance furnace, the economical type of operation is the problem that needs to be considered, when using the resistance furnace, in the time of feeding and discharging, the furnace door needs to be opened, the heat in the furnace can be distributed around the furnace body, if the mode of manual feeding or discharging is adopted, need not heat or cool off the back at the furnace body, operating personnel can be close to the furnace body and operate, can't realize feeding and ejection of compact under the higher condition of temperature at the furnace body, cause resistance furnace economic operation index to descend, and the use cost is improved.
Disclosure of Invention
The invention provides a feeding device for a resistance furnace, which aims to solve the problems in the prior art.
This feeding device includes: the feeding trolley is used for carrying the material box for containing the silicon ferrovanadium powder and supporting the material box to move; a furnace mouth is arranged in the vacuum resistance furnace, furnace platforms are arranged on two sides of the furnace mouth, the width of the upper part of each furnace platform is larger than that of the material box, the width between the furnace platforms is smaller than that of the material box, and the material box is driven by the feeding trolley to enter from the furnace mouth of the vacuum resistance furnace.
A steel rail is arranged in the vacuum resistance furnace, the steel rail extends outwards from a furnace mouth, and the feeding car runs on the steel rail;
the steel rail comprises an inner furnace section, an outer furnace section and a turning section for connecting the inner furnace section and the outer furnace section.
Furthermore, the outer section of the steel rail is connected with the turning section through a hinge shaft, and a cross rod is arranged at one end, close to the inner section of the steel rail, of the turning section and used for connecting the rails on two sides of the turning section into a whole, so that the rails on two sides of the turning section can rotate around the hinge shaft at the same time through controlling the cross rod.
Furthermore, a winch is arranged at the front end of the feeding vehicle, a retractable steel cable is wound on the winch, the open end of the steel cable is fixed on the cross rod, and the length of the steel cable can be retracted by the winch according to requirements.
Furthermore, a third wheel is arranged at the front end of the feeding vehicle, the third wheel is positioned between the winch and the steel rail, and the steel cable is fixedly connected with the cross rod after bypassing the third wheel during feeding.
Further, be equipped with the angle limiting plate between upset section both sides track, the bull wheel is installed at the play pole end of the flexible jar of pressing along rail length direction, when the stack pallet is out of the stove, the cable wire is with the state that the upset section was drawn up to 90 perpendicular ground, the front end top of bull wheel is on the angle limiting plate, prevent the upset section to the stack pallet, when the stack pallet needs to get into vacuum resistance furnace once more, the bull wheel at first acts on the angle limiting plate, ensure that the upset section is emptyd to the stove inner segment, furthermore, hydraulic system in the jar can provide the hydraulic cushion and prevents that the bull wheel from taking place serious collision with apex angle limiting plate.
Furthermore, the feeding car is also provided with a plurality of jacking hydraulic cylinders, the rod outlet ends of the jacking hydraulic cylinders act on the bottom of the material box, when the rod outlet ends of the jacking hydraulic cylinders extend out, the material box is jacked, the height of the bottom of the material box is higher than that of the upper surface of the furnace platform, and the feeding car is convenient to feed into the vacuum resistance furnace when the material box is jacked up by the jacking hydraulic cylinders.
Furthermore, the feeding car is provided with a supporting boss for supporting the material box, the top of the supporting boss is lower than the upper surface of the furnace platform, after the rod outlet end of the jacking hydraulic cylinder is retracted, the material box falls on the furnace platform, and the feeding car can exit from the furnace mouth along the steel rail.
Further, a driving box is arranged at the bottom of the feeding car and used for driving the feeding car to enter and exit the vacuum resistance furnace.
Furthermore, a toothed fence is arranged around the material box, a layer of high-temperature-resistant furnace brick is laid on the inner layer of the fence, and the inner layer of the high-temperature-resistant furnace brick is used for placing silicon ferrovanadium powder.
The invention has the technical effects that: the vacuum resistance furnace needs to lay steel rails for a feeding car, the steel rails need to extend from the interior of the furnace to the exterior of the furnace all the time, the steel rails are erected to be not beneficial to closing and opening of a furnace door, a rail for connecting an inner section of the furnace and an outer section of the furnace is designed to be a turning section, the turning section is horizontally placed during feeding, three sections of rails form a continuous steel rail, the turning section is pulled up through a steel cable on a winch when the feeding car is discharged from the furnace, the obstruction of installation of a vacuum resistance furnace door is eliminated, a furnace platform for supporting a material box is arranged in the vacuum resistance furnace, a jacking hydraulic cylinder is installed on a material transporting vehicle to enable the material box to be capable of lifting, the jacked height of the material box is higher than that of the furnace platform, the jacked material box is placed on a supporting boss lower than the upper surface of the furnace platform when the material box is not jacked, and an operator can feed and discharge the vacuum resistance furnace by operating the walking of a trolley and the telescoping hydraulic cylinder.
Drawings
FIG. 1 is a perspective view of a charging device according to the present invention;
FIG. 2 is a front view of the feed carriage of the present invention after entering the vacuum resistance furnace;
FIG. 3 is a front view of the present invention after discharge from the furnace;
fig. 4 is a left side view of the charging device of the present invention.
In the figure, 1, a vacuum resistance furnace, 2, a steel rail, 4, a feeding car, 5, a material box, 6, a winch, 11, a furnace opening, 12, a furnace platform, 21, a furnace inner section, 22, a furnace outer section, 23, a turning section, 24, a hinge shaft, 25, a cross bar, 26, a steel cable, 27, an angle limiting plate, 41, a supporting boss, 42, a jacking hydraulic cylinder, 43, a driving box, 51, a cylinder fence, 52, a high temperature resistant furnace brick, 61, a passing wheel and 62 are arranged.
Detailed Description
The following describes an embodiment of the present invention with reference to fig. 1 to 2.
Fig. 1 illustrates a main structure of a charging device and a moving manner relative to a vacuum resistance furnace, the charging device comprising: the furnace comprises a material box 5 for containing silicon ferrovanadium powder, a material conveying trolley 4 for supporting and conveying the material box to move, a furnace opening 11 is arranged in a vacuum resistance furnace 1, furnace platforms 12 are arranged on two sides of the furnace opening 11, the width of the upper part of each furnace platform 12 is larger than that of the material box 5, the width between the furnace platforms 12 is smaller than that of the material box 5, and the material conveying trolley 4 drives the material box 5 to enter from the furnace opening 11 of the vacuum resistance furnace 1.
Be equipped with the rail in the vacuum resistance furnace 1, rail 2 outwards extends from fire door 11, and stack pallet 4 moves on rail 2, is equipped with toothed rail 51 around magazine 5, and one deck high temperature resistant furnace brick 52 is laid to rail 51 inlayer, and high temperature resistant furnace brick 52 inlayer is used for placing silicon ferrovanadium powder, and stack pallet 4 front end is equipped with hoist engine 6.
Fig. 2 illustrates the state of the feeding car after entering the vacuum resistance furnace and the composition structure of the steel rail 2, the steel rail 2 comprises a furnace inner section 21, a furnace outer section 22 and a turning section 23 connecting the furnace inner section 21 and the furnace outer section 22, the furnace outer section 22 and the turning section 23 of the steel rail 2 are connected through a hinge shaft 24, one end of the turning section 23 close to the furnace inner section 21 is provided with a cross bar 25 for connecting the rails on the two sides of the turning section 23 into a whole, a retractable steel cable 26 is wound on the winch 6, and the open end of the steel cable 26 is fixed on the cross bar 25; the front end of the feeding car 4 is provided with a third wheel 61, the third wheel 61 is positioned between the winch 6 and the steel rail 2, and when feeding, the steel cable 26 is fixedly connected with the cross bar 25 after bypassing the third wheel 61.
Fig. 3 shows the state of the feeding car after discharging, an angle limiting plate 27 is arranged between the rails on the two sides of the turning section 23, a third wheel 61 is installed at the discharging rod end of a pressure cylinder 62 which extends and retracts along the length direction of the steel rail 2, when the feeding car 4 is discharged, the steel cable 26 pulls the turning section 23 to be in a state of being perpendicular to the ground by 90 degrees, and the front end of the third wheel 61 is propped against the angle limiting plate 27 to prevent the turning section 23 from falling to the feeding car 4.
Fig. 4 shows the position of the material box on the feeding car relative to the furnace platform, the feeding car is further provided with a plurality of jacking hydraulic cylinders 42, the rod outlet ends of the jacking hydraulic cylinders 42 act on the bottom of the material box 5, when the rod outlet ends of the jacking hydraulic cylinders 42 extend out, the material box 5 is jacked up, the height of the bottom of the material box 5 is higher than that of the upper surface of the furnace platform 12, the feeding car 4 is provided with a supporting boss 41 for supporting the material box 5, and the height of the top of the supporting boss 41 is lower than that of the upper surface of the furnace platform 12.
The working principle is as follows: placing a material box 5 on a supporting boss 41 of a material feeding car 4, flatly paving ferrosilicon powder needing high-temperature treatment on the inner layer of a high-temperature-resistant furnace brick 52 of the material box 5, starting a jacking hydraulic cylinder 42, enabling a rod outlet end of the jacking hydraulic cylinder 42 to act on the bottom of the material box 5, jacking the material box to a high position, driving a box 43 to drive the material feeding car 4 and the material box 5 to move towards a furnace opening 11 along a steel rail 2, gradually releasing a steel cable 26 by a winch 6 along the inward movement, enabling the steel cable 26 to bypass a wheel 61, connecting the steel cable 26 to a cross rod 25 along the bottom of the material feeding car 4, recovering the rod outlet end of the jacking hydraulic cylinder 42 after the material box moves to the right position, enabling the material box 5 to fall on a furnace platform 12, driving the box 43 to drive the material feeding car 4 to move away from the furnace opening 11 along the steel rail 2, closing a furnace door, and completing one-time feeding operation;
during discharging, the driving box 43 drives the feeding car 4 to move towards the lower part of the material box 5 along the steel rail 2, after the feeding car 4 moves towards the lower part of the material box 5, the rod outlet end of the jacking hydraulic cylinder 42 extends out to jack the material box 5, so that the material box 5 is out of contact with the furnace platform 12, the driving box 43 drives the feeding car 4 and the material box 5 to move away from the furnace outlet 11 along the steel rail 2, the winch 6 gradually tightens the steel cable 26, when the feeding car 4 completely moves to the furnace outer section 22 of the steel rail 2, the driving box 43 stops working, the corresponding feeding car 4 stops moving, the winch 6 further tightens the steel cable 26, so that the steel cable 26 pulls the overturning section 23 to overturn towards the furnace outer section 22 around the hinge 24, meanwhile, the rod outlet end of the hydraulic cylinder 62 drives the idler wheel 61 to extend out, when the overturning section 23 rotates to be vertical to the ground, the front end of the idler wheel 61 props the angle limiting plate 27, the overturning section 23 is prevented from falling towards the feeding car 4, and discharging operation is completed.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A charging device for an electric resistance furnace is characterized by comprising: a material box (5) for containing silicon ferrovanadium powder and a feeding car (4) for supporting and transporting the material box (5) to move;
a furnace mouth (11) is arranged in the vacuum resistance furnace (1), furnace platforms (12) are arranged on two sides of the furnace mouth (11), the width of the upper part of each furnace platform (12) is larger than that of the material box (5), the width between the furnace platforms (12) is smaller than that of the material box (5), and the material box (5) is driven by the material conveying trolley (4) to enter from the furnace mouth (11) of the vacuum resistance furnace (1);
a steel rail (2) is arranged in the vacuum resistance furnace (1), the steel rail (2) extends outwards from a furnace mouth (11), and the feeding car (4) runs on the steel rail (2);
the steel rail (2) comprises an inner furnace section (21), an outer furnace section (22) and a turning section (23) connecting the inner furnace section (21) and the outer furnace section (22).
2. The charging device for the electric resistance furnace according to claim 1, characterized in that the furnace outer section (22) and the turning section (23) of the steel rail (2) are connected through a hinge shaft (24), and one end of the turning section (23) close to the furnace inner section (21) is provided with a cross bar (25) for integrally connecting the rails on both sides of the turning section (23).
3. The charging device for the electric resistance furnace according to claim 2, wherein a winch (6) is arranged at the front end of the feeding car (4), a retractable steel cable (26) is wound on the winch (6), and the open end of the steel cable (26) is fixed on the cross rod (25).
4. The charging device for the electric resistance furnace according to claim 3, characterized in that the front end of the feeding car (4) is provided with a passing wheel (61), and the passing wheel (61) is positioned between the winch (6) and the steel rail (2).
5. The charging device for the electric resistance furnace according to claim 4, wherein an angle limiting plate (27) is arranged between the rails at both sides of the turning section (23), and the idle wheel (61) is installed at the rod-out end of a hydraulic cylinder (62) which extends and retracts along the length direction of the steel rail (2).
6. The charging device for the electric resistance furnace according to claim 1, wherein the feeding car (4) is further provided with a plurality of jacking hydraulic cylinders (42), the rod outlet ends of the jacking hydraulic cylinders (42) act on the bottom of the material box (5), when the rod outlet ends of the jacking hydraulic cylinders (42) extend out, the material box (5) is jacked, and the height of the bottom of the material box (5) is higher than that of the upper surface of the furnace platform (12).
7. The charging device for the electric resistance furnace according to claim 1, characterized in that the feeding car (4) is provided with a supporting boss (41) for supporting the material box (5), and the top of the supporting boss (41) is lower than the upper surface of the furnace platform (12).
8. The charging device for the electric resistance furnace according to claim 1, characterized in that the bottom of the feeding car (4) is provided with a driving box (43) for driving the feeding car to enter and exit the vacuum electric resistance furnace (1).
9. The charging device for the electric resistance furnace according to claim 1, characterized in that a toothed rail (51) is arranged around the charging box (5), a layer of refractory brick (52) is laid on the inner layer of the rail (51), and the inner layer of the refractory brick (52) is used for placing silicon ferrovanadium powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110684518.1A CN113587654A (en) | 2021-06-21 | 2021-06-21 | Feeding device for resistance furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110684518.1A CN113587654A (en) | 2021-06-21 | 2021-06-21 | Feeding device for resistance furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113587654A true CN113587654A (en) | 2021-11-02 |
Family
ID=78244248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110684518.1A Pending CN113587654A (en) | 2021-06-21 | 2021-06-21 | Feeding device for resistance furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113587654A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114034194A (en) * | 2021-11-16 | 2022-02-11 | 中冶重工（唐山）有限公司 | Trans-door transportation device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0814766A (en) * | 1994-06-24 | 1996-01-19 | Niimi Sangyo Kk | Transporting bogie for processed item |
| CN103307870A (en) * | 2013-06-25 | 2013-09-18 | 湘西自治州丰达合金科技有限公司 | Rail-type vacuum furnace for vanadium nitride production |
| CN203818302U (en) * | 2014-03-14 | 2014-09-10 | 闫继权 | Track automatic butting device of autoclave |
| CN205843392U (en) * | 2016-07-03 | 2016-12-28 | 湖南九华碳素高科有限公司 | A kind of truck for resistance furnace |
| CN207751342U (en) * | 2017-12-06 | 2018-08-21 | 苏州辛贝思机电科技有限公司 | A kind of stokehold overturning track |
| CN209321845U (en) * | 2018-12-28 | 2019-08-30 | 洛阳托普热能技术有限公司 | A kind of glass homogeneous furnace feed rail turnover device |
| CN211823843U (en) * | 2020-04-13 | 2020-10-30 | 河北中大阳屹机械有限公司 | Resistance furnace convenient for taking workpiece |
| CN212362722U (en) * | 2020-04-22 | 2021-01-15 | 广西银钻电气股份有限公司 | A oven for transformer production |
-
2021
- 2021-06-21 CN CN202110684518.1A patent/CN113587654A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0814766A (en) * | 1994-06-24 | 1996-01-19 | Niimi Sangyo Kk | Transporting bogie for processed item |
| CN103307870A (en) * | 2013-06-25 | 2013-09-18 | 湘西自治州丰达合金科技有限公司 | Rail-type vacuum furnace for vanadium nitride production |
| CN203818302U (en) * | 2014-03-14 | 2014-09-10 | 闫继权 | Track automatic butting device of autoclave |
| CN205843392U (en) * | 2016-07-03 | 2016-12-28 | 湖南九华碳素高科有限公司 | A kind of truck for resistance furnace |
| CN207751342U (en) * | 2017-12-06 | 2018-08-21 | 苏州辛贝思机电科技有限公司 | A kind of stokehold overturning track |
| CN209321845U (en) * | 2018-12-28 | 2019-08-30 | 洛阳托普热能技术有限公司 | A kind of glass homogeneous furnace feed rail turnover device |
| CN211823843U (en) * | 2020-04-13 | 2020-10-30 | 河北中大阳屹机械有限公司 | Resistance furnace convenient for taking workpiece |
| CN212362722U (en) * | 2020-04-22 | 2021-01-15 | 广西银钻电气股份有限公司 | A oven for transformer production |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114034194A (en) * | 2021-11-16 | 2022-02-11 | 中冶重工（唐山）有限公司 | Trans-door transportation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107420119B (en) | Quick uninstallation device of shield constructs quick-witted section of jurisdiction | |
| WO2022047781A1 (en) | System and method for transporting, loading and unloading container | |
| CN112606732A (en) | Battery replacement system | |
| US11802026B2 (en) | Container side loader | |
| CN113587654A (en) | Feeding device for resistance furnace | |
| US5904098A (en) | Crane carrying vehicle for transporting track ties | |
| CN110884989B (en) | Quick loading and unloading hoisting equipment and hoisting method thereof | |
| CN110606013A (en) | Hopper mechanism of short-distance delivery wagon for coal mine engineering | |
| CN113756707A (en) | Aerial ladder vehicle with interlocking protection function and working method thereof | |
| CN106081668A (en) | A kind of steel drum loading-unloading vehicle system and method | |
| CN112960315B (en) | Lifting bucket-turning type carriage vertical wet garbage collection equipment | |
| WO2012063674A1 (en) | Red-hot coke receiving and conveying apparatus | |
| CN214523519U (en) | Hydraulic lifting type truck flap back door | |
| CN210254218U (en) | High-temperature-resistant, foldable and movable train transportation molten iron tank cover device | |
| CN210313105U (en) | Fast loading and unloading hanging basket | |
| CN112757968A (en) | Lifting type mobile contact net supporting device, mobile contact net and operation method | |
| US4345867A (en) | Coke dry quenching plant | |
| CN214988768U (en) | Carbide transfer system | |
| CN218431022U (en) | Tank transporting vehicle | |
| RU2368664C2 (en) | Transferring device for changing of hot runner | |
| CN114105023B (en) | Building materials is removal with removing lift freight train | |
| JPS6092387A (en) | Loading of red-hot coke in dry coke quencher | |
| CN216736626U (en) | Stacking device for loader | |
| CN219950299U (en) | Mobile crane device for subway slag discharge | |
| CN211688080U (en) | Lifting platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211102 |
|
| RJ01 | Rejection of invention patent application after publication |