CN215162854U - Split type safety device of furnace throat manhole - Google Patents
Split type safety device of furnace throat manhole Download PDFInfo
- Publication number
- CN215162854U CN215162854U CN202121315290.0U CN202121315290U CN215162854U CN 215162854 U CN215162854 U CN 215162854U CN 202121315290 U CN202121315290 U CN 202121315290U CN 215162854 U CN215162854 U CN 215162854U
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- manhole
- circular
- furnace throat
- cover plate
- railing
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Abstract
The utility model discloses a split type safety protection device for a furnace throat manhole, belonging to the technical field of metallurgical equipment; the protective device is arranged above a manhole of a furnace throat and comprises a circular railing, a circular cover plate and a positioning rod, wherein the positioning rod is fixedly arranged on the inner side of the circumference of the circular railing and is vertical to the plane of the circular railing, and the circular cover plate is rotatably connected with the circular railing through a rotating door shaft to realize opening and closing; the positioning rod is inserted into the furnace throat manhole and is tightly attached to the inner wall of the furnace throat manhole, and the circular rail is clamped at the edge of the furnace throat manhole; the utility model provides a safety device passes through the cooperation that safety protection fence and apron sealed two kinds of functions and uses, can establish safety barrier effectively, can block that the operation personnel fall the furnace throat and prevent the interior fuel flame blowout operation personnel that burn of stove, protection operation personnel's personal safety.
Description
Technical Field
The utility model belongs to the technical field of the metallurgical equipment, especially, relate to a split type safety device of furnace throat manhole.
Background
When the blast furnace is blown down and the furnace throat manhole is opened for maintenance, the furnace throat manhole is in an open state, and maintenance operators are positioned above the furnace throat manhole, so that the high falling of the operators is easy to occur, and serious personal casualty accidents caused by falling into the furnace occur; moreover, the combustible gas generated by the combustion and reduction reaction of the fuel in the furnace can generate flame to spray, so that the burning accidents of the operators above are easy to happen; in addition, when furnace top hydraulic system overhauld, the grease flows into furnace throat manhole and also can take place the grease burning accident of catching fire, does not have the supporting problem that sets up safety device based on current blast furnace throat manhole, provides a split type safety device of furnace throat manhole now and improves the operation safety.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the split type safety protection device for the furnace throat manhole can effectively establish a safety barrier through the matching use of two functions of the safety protection fence and the cover plate sealing, can prevent operators from falling down from the furnace throat and prevent the operators from being burnt by the sprayed fuel flame in the furnace, and can protect the personal safety of the operators.
The utility model adopts the technical scheme as follows:
in order to realize the aim, the utility model provides a split type safety protection device for a furnace throat manhole, which is arranged above the furnace throat manhole and comprises a circular railing, a circular cover plate and a positioning rod, wherein the positioning rod is fixedly arranged at the inner side of the circumference of the circular railing and is vertical to the plane of the circular railing, and the circular cover plate is rotatably connected with the circular railing through a rotating door shaft to realize opening and closing; the locating rod is inserted into the furnace throat manhole and tightly attached to the inner wall of the furnace throat manhole, and the circular rail is clamped on the edge of the furnace throat manhole.
Preferably, the diameter of the circular barrier is larger than the diameter of the furnace throat manhole.
Preferably, a handrail handle is arranged on the outer side of the circumference of the circular handrail.
Preferably, a cover plate handle is arranged on the circular cover plate.
Preferably, one end of the rotary door shaft is welded on the outer side of the circumference of the circular rail, and the other end of the rotary door shaft is welded on the side face of the circular cover plate.
Preferably, a plurality of transverse reinforcing pipes are connected to the inner side of the circumference of the circular handrail.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model is embedded and installed on the furnace throat manhole when in use, when in maintenance operation or the furnace throat needs to exhaust, the circular cover plate is opened, the circular railing and the transverse reinforcing pipe are used to play the role of a safety protective guard, and the falling of the operating personnel from the furnace throat can be prevented; when the furnace throat needs to be closed, the circular cover plate is closed, the cover plate is utilized to prevent hot air flow in the furnace from being sprayed out and combustible oil from falling into the furnace throat, fuel flame in the furnace can be prevented from being sprayed out, and operators above the furnace are prevented from being scalded.
2. The utility model provides a protector passes through the cooperation that safety protective guard and apron sealed two kinds of functions and uses, can establish safety barrier effectively, protection operation personnel's personal safety.
3. The utility model discloses be provided with the railing handle on the circumference outside of circular railing, can make things convenient for the staff to install and dismantle through setting up of railing handle.
4. The utility model discloses be provided with the apron handle on circular apron, can make things convenient for the staff to open, closed circular apron through the setting of apron handle.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of a circular cover plate;
figure 3 is a schematic view of the connection of the circular rail and the positioning rod.
Labeled as: 1-round railing, 2-round cover plate, 3-positioning rod, 4-railing handle, 5-cover plate handle, 6-rotary door shaft, 7-throat manhole and 8-transverse reinforced pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-3, the present embodiment provides a split type safety protection device for a furnace throat manhole, which is disposed above a furnace throat manhole 7, and includes a circular rail 1, a circular cover plate 2, and a positioning rod 3;
the diameter of the circular rail 1 is 900mm, is larger than the diameter of the furnace throat manhole 7, and is convenient to clamp above the furnace throat manhole 7, the circular rail 1 is welded by DN15mm seamless steel pipes, and the inner side of the circumference of the circular rail 1 is transversely connected with 5 transverse reinforcing pipes 8 welded by DN15mm seamless steel pipes, so that the reinforcing and bearing effects are achieved, and deformation is prevented;
the positioning rod 3 is fixedly welded on the inner side of the circumference of the circular rail 1 and is perpendicular to the plane of the circular rail 1, and the positioning rod 3 is a seamless steel tube with the length of 300mm and the diameter DN25 mm;
the diameter of the circular cover plate 2 is 900mm and is consistent with that of the circular railing 1, the circular cover plate 2 is made of a 6mm cold-rolled steel plate, the circular cover plate 2 is rotatably connected with the circular railing 1 through a rotating door shaft 6 to be opened and closed, one end of the rotating door shaft 6 is welded on the outer side of the circumference of the circular railing 1, and the other end of the rotating door shaft is welded on the side face of the circular cover plate 2;
when the protection device is used, the positioning rod 3 is inserted into the furnace throat manhole 7 and is tightly attached to the inner wall of the furnace throat manhole 7, and the circular rail 1 can be clamped on the upper edge of the furnace throat manhole 7 due to the fact that the diameter of the circular rail 1 is larger than that of the furnace throat manhole 7, so that the whole protection device is embedded and installed on the furnace throat manhole 7; when maintenance operation is carried out or the furnace throat needs to exhaust air, the circular cover plate 2 is opened, the circular rail 1 and the transverse reinforcing pipe 8 are used for playing a role of a safety protective guard, and an operator can be prevented from falling down the furnace throat; when the throat needs to be sealed, the circular cover plate 2 is closed, hot air flow in the furnace is blocked by the cover plate, and combustible oil falls into the throat, so that fuel flame in the furnace can be prevented from being sprayed, operators above the furnace are prevented from being burnt, and safety barriers can be effectively established and personal safety of the operators is protected by matching the safety protective guard and the cover plate.
Example 2
In this embodiment, it is further preferable that a handrail handle 4 is disposed on the outer side of the circumference of the circular handrail 1, the handrail handle 4 is welded to one end of the circular handrail 1 away from the rotating door shaft 6 and is located on the same plane as the circular handrail 1, and the handrail handle 4 is made of round steel with a diameter of 100mm, and has a length of 150mm and a width of 60 mm; the setting through railing handle 4 can make things convenient for the staff to install and dismantle.
Example 3
In this embodiment, it is further preferable that a cover plate handle 5 is provided on the circular cover plate 2, the cover plate handle 5 is vertically welded to the top surface of the circular cover plate 2, and is made of round steel with a diameter of 100mm, and has a length of 150mm and a width of 60 mm; the round cover plate 2 can be conveniently opened and closed by workers through the arrangement of the cover plate handle 5.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled 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; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (6)
1. A split type safety protection device for a furnace throat manhole is arranged above a furnace throat manhole (7) and is characterized by comprising a circular railing (1), a circular cover plate (2) and a positioning rod (3), wherein the positioning rod (3) is fixedly arranged on the inner side of the circumference of the circular railing (1) and is perpendicular to the plane of the circular railing (1), and the circular cover plate (2) is rotatably connected with the circular railing (1) through a rotating door shaft (6) to realize opening and closing; wherein, locating lever (3) insert in furnace throat manhole (7) and closely laminate with furnace throat manhole (7) inner wall, circular railing (1) card is at furnace throat manhole (7) edge.
2. A split-type safety shield for a furnace throat manhole according to claim 1, wherein the diameter of the circular rail (1) is larger than the diameter of the furnace throat manhole (7).
3. The split type safety protection device for the furnace throat manhole according to claim 1, wherein a handrail handle (4) is arranged on the outer side of the circumference of the circular handrail (1).
4. The split type safety protection device for the manhole of the furnace throat as claimed in claim 1, wherein the circular cover plate (2) is provided with a cover plate handle (5).
5. The split type safety device for the furnace throat manhole according to claim 1, wherein one end of the rotary door shaft (6) is welded on the outer side of the circumference of the circular rail (1), and the other end is welded on the side surface of the circular cover plate (2).
6. A split-type safety device for a furnace throat manhole according to claim 1, wherein a plurality of transverse reinforced pipes (8) are connected to the inner side of the circumference of the circular rail (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121315290.0U CN215162854U (en) | 2021-06-11 | 2021-06-11 | Split type safety device of furnace throat manhole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121315290.0U CN215162854U (en) | 2021-06-11 | 2021-06-11 | Split type safety device of furnace throat manhole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215162854U true CN215162854U (en) | 2021-12-14 |
Family
ID=79388331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121315290.0U Expired - Fee Related CN215162854U (en) | 2021-06-11 | 2021-06-11 | Split type safety device of furnace throat manhole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215162854U (en) |
-
2021
- 2021-06-11 CN CN202121315290.0U patent/CN215162854U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |