CN214218779U - Lower muzzle device for converter - Google Patents
Lower muzzle device for converter Download PDFInfo
- Publication number
- CN214218779U CN214218779U CN202023178784.7U CN202023178784U CN214218779U CN 214218779 U CN214218779 U CN 214218779U CN 202023178784 U CN202023178784 U CN 202023178784U CN 214218779 U CN214218779 U CN 214218779U
- Authority
- CN
- China
- Prior art keywords
- flange
- upper flange
- header
- water inlet
- lower flange
- 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.)
- Active
Links
Images
Abstract
The utility model relates to a converter is with rifle mouth device down, the purpose solve present rifle mouth down because of with converter welded fastening connection, fixed gusset receives high temperature to toast, the frequent technical problem who ftractures of crater. The technical scheme is as follows: the water heater comprises a first upper flange, a plurality of swing bolts, a lower flange and a second upper flange, wherein the first upper flange is arranged at the top end of an upper header, a water outlet pipe is arranged on the first upper flange, a plurality of heated pipes are longitudinally enclosed into a circle and arranged in the middle of the first upper flange, a partition plate is arranged between every two adjacent heated pipes, the lower flange is obliquely arranged at the lower parts of two water inlet pipes, the second upper flange is arranged on the top surface of the lower flange, a plurality of connecting holes are uniformly formed in the peripheries of the lower flange and the second upper flange, the swing bolts are arranged in the connecting holes, and the lower flange is connected with the second upper flange through the swing bolts. This practicality is installing mounting flange and the angled flange that adds down on the muzzle on cooling flue, realizes quick group to, has solved the installation difficulty, reduces repair time.
Description
Technical Field
The utility model belongs to the technical field of the iron and steel smelting engineering, concretely relates to converter is with rifle mouth device down.
Background
When the lower muzzle for the converter is used, the lower muzzle is welded and fixed with the converter through the rib plate, and the welded fixed rib plate is baked at high temperature, so that a welded junction is frequently cracked, and normal smelting of the converter is further influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem that the welded junction frequently cracks because of being fixedly connected with the converter welding of the present lower muzzle, fixed gusset receives high temperature to toast, provides a lower muzzle device for converter.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a lower muzzle device for a converter comprises a cooling water circulation device, a reinforcing plate, a first supporting plate, a refractory block and two second supporting plates, wherein the cooling water circulation device comprises an upper header, two water inlet pipes, a lower header, a water outlet pipe, a plurality of heated pipes and a plurality of partition plates, the two water inlet pipes are vertically arranged in parallel, the upper ends of the two water inlet pipes are connected with the upper header, the lower ends of the two water inlet pipes are connected with the lower header, the lower muzzle device also comprises a first upper flange, a plurality of movable joint bolts, a plurality of rib plates, a lower flange and a second upper flange, the first upper flange is arranged at the top end of the upper header, the water outlet pipe is arranged on the first upper flange and is communicated with the upper header, the plurality of heated pipes are longitudinally arranged in the middle of the first upper flange in a circle, the partition plates are arranged between the adjacent heated pipes, the lower flange is obliquely arranged at the lower parts of the two water inlet pipes, the second upper flange is arranged at the top surface of the lower flange, and a plurality of connecting holes are uniformly formed in the upper peripheries of the lower flange and the second upper flange, a plurality of eyelet bolts are arranged in the connecting holes, the lower flange and the second upper flange are connected through the plurality of eyelet bolts, a first supporting plate is arranged on the bottom surface of the lower flange, two second supporting plates are vertically arranged at two ends of the first supporting plate, a refractory block is arranged on the first supporting plate, and a plurality of rib plates are uniformly arranged on the outer sides of the two second supporting plates.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses the area angle flange of addding on installation mounting flange and lower muzzle on cooling flue realizes quick group to, has solved the installation difficulty, has reduced maintenance time.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
FIG. 4 is a cross-sectional view C-C of FIG. 3;
in the figure: 1-a first upper flange, 2-an upper header, 3-a water inlet pipe, 4-a reinforcing plate, 5-a lower header, 6-an eyelet bolt, 7-a rib plate, 8-a first supporting plate, 9-a refractory block, 10-a lower flange, 11-a second upper flange, 12-a water outlet pipe, 13-a heated pipe, 14-a clapboard and 15-a second supporting plate.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1-4, a lower muzzle device for a converter comprises a cooling water circulation device, a reinforcing plate 4, a first supporting plate 8, a refractory block 9 and two second supporting plates 15, wherein the cooling water circulation device comprises an upper header 2, two water inlet pipes 3, a lower header 5, a water outlet pipe 12, a plurality of heated pipes 13 and a plurality of partition plates 14, the two water inlet pipes 3 are vertically arranged in parallel, the upper ends of the two water inlet pipes are connected with the upper header 2, the lower ends of the two water inlet pipes are connected with the lower header 5, the lower muzzle device further comprises a first upper flange 1 with the size of-20 x 1770 x 1530mm, a plurality of movable joint bolts 6, a plurality of rib plates 7, a lower flange 10 with the size of-20 x 1770 x 1530mm and a second upper flange 11 with the size of-20 x 1770 x 1530mm, the first upper flange 1 is arranged at the top end of the upper header 2, the water outlet pipe 12 is arranged on the first upper flange 1 and is communicated with the upper header 2, the plurality of heated pipes 13 are longitudinally enclosed into a circle and arranged in the middle of the first upper flange 1, a partition plate 14 is arranged between the adjacent heated pipes 13, the lower flange 10 is obliquely arranged at the lower part of the two water inlet pipes 3, the second upper flange 11 is arranged on the top surface of the lower flange 10, 20 connecting holes with the diameter of 32mm are uniformly arranged on the upper peripheries of the lower flange 10 and the second upper flange 11, 20M 30-120 swing bolts 6 are arranged in the connecting holes, the lower flange 10 is connected with the second upper flange 11 through 20 swing bolts 6, a first supporting plate 8 is arranged on the bottom surface of the lower flange 10, two second supporting plates 15 are vertically arranged at two ends of the first supporting plate 8, a fire-resistant block 9 is arranged on the first supporting plate 8, and 20 rib plates 7 are uniformly arranged on the outer sides of the two second supporting plates 15.
The utility model discloses the theory of operation as follows:
welding a first upper flange 1 nitrogen sealing device, welding a lower flange 10 with a cooling flue lower muzzle, welding a second upper flange 11 with a lower muzzle, welding an eyelet bolt 6 on the lower muzzle flange on the inner side of the flange according to the position of a connecting hole, hoisting the lower muzzle by an electric hoist during the installation process, placing the lower muzzle at the position of the muzzle under the water cooling flue, rotating the eyelet bolt 6 for 180 degrees, tightly pressing the lower flange 10 and the second upper flange 11 together through the connecting hole, and completing the installation of the lower muzzle after fastening the bolt.
Claims (1)
1. A lower muzzle device for a converter comprises a cooling water circulating device, a reinforcing plate (4), a first supporting plate (8), a refractory block (9) and two second supporting plates (15), wherein the cooling water circulating device comprises an upper header (2), two water inlet pipes (3), a lower header (5), a water outlet pipe (12), a plurality of heated pipes (13) and a plurality of partition plates (14), the two water inlet pipes (3) are vertically arranged in parallel, the upper ends of the two water inlet pipes are connected with the upper header (2), and the lower ends of the two water inlet pipes are connected with the lower header (5);
the method is characterized in that: the water heater further comprises a first upper flange (1), a plurality of movable joint bolts (6), a plurality of rib plates (7), a lower flange (10) and a second upper flange (11), wherein the first upper flange (1) is arranged at the top end of the upper header (2), the water outlet pipe (12) is arranged on the first upper flange (1) and is communicated with the upper header (2), a plurality of heated pipes (13) are longitudinally enclosed into a circle and are arranged in the middle of the first upper flange (1), a partition plate (14) is arranged between every two adjacent heated pipes (13), the lower flange (10) is obliquely arranged at the lower parts of the two water inlet pipes (3), the second upper flange (11) is arranged on the top surface of the lower flange (10), a plurality of connecting holes are uniformly formed in the peripheries of the lower flange (10) and the second upper flange (11), the movable joint bolts (6) are arranged in the connecting holes, and the lower flange (10) and the second upper flange (11) are connected through the plurality of movable joint bolts (6), lower flange (10) bottom surface is equipped with first backup pad (8), first backup pad (8) both ends set up two second backup pads (15) perpendicularly, are equipped with refractory block (9) on first backup pad (8), two second backup pad (15) outsides evenly are equipped with a plurality of gusset (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023178784.7U CN214218779U (en) | 2020-12-25 | 2020-12-25 | Lower muzzle device for converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023178784.7U CN214218779U (en) | 2020-12-25 | 2020-12-25 | Lower muzzle device for converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214218779U true CN214218779U (en) | 2021-09-17 |
Family
ID=77705344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023178784.7U Active CN214218779U (en) | 2020-12-25 | 2020-12-25 | Lower muzzle device for converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214218779U (en) |
-
2020
- 2020-12-25 CN CN202023178784.7U patent/CN214218779U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102976312B (en) | Heat exchanger structure capable of prolonging service life of calcined coke heat exchanger | |
| CN214218779U (en) | Lower muzzle device for converter | |
| CN211284488U (en) | Large cover with heat-insulating heating and connecting device for titanium sponge distillation production | |
| CN102958214B (en) | The protection screen of mineral hot furnace | |
| CN100537787C (en) | Integral furnace apron slag baffle | |
| CN2801795Y (en) | Long life water cooling fire hole | |
| CN102329907B (en) | Novel clamp for sealing of hot-blast valve flange and using method thereof | |
| CN202907250U (en) | Protection screen of submerged arc furnace | |
| CN214937591U (en) | Novel water-through arched blast furnace slag ditch cover plate | |
| CN201313161Y (en) | Water cooling cover of new continuous casting straightening and withdrawal machine | |
| CN210773564U (en) | Metallurgical assembly with heat exchange function | |
| CN211112063U (en) | Modular blast furnace water-cooling gap bridge | |
| CN210089395U (en) | Water-cooled furnace cover of submerged arc furnace | |
| CN101760208A (en) | Method for installing coke dry quenching slot shell | |
| CN211570693U (en) | Cooling environment-friendly slag iron ditch cover plate | |
| CN214218781U (en) | Feed opening device for converter | |
| CN216131919U (en) | Sealed effectual ripple expansion device | |
| CN206875983U (en) | Drop-bottom mechanism and calcining furnace | |
| CN111139369A (en) | Large cover with heat-insulating heating and connecting device for titanium sponge distillation production | |
| CN214244304U (en) | Fire-retardant partition device | |
| CN217351420U (en) | Novel composite cooling wall | |
| CN109954451A (en) | A kind of reactor for the production of silver-colored formaldehyde | |
| CN207939785U (en) | A kind of mineral hot furnace copper pressure rings | |
| CN211396693U (en) | Safety rope fixing device capable of being fixed on H-shaped steel beams of various specifications | |
| CN219867978U (en) | Boiler water-cooled wall header |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |