CN214290759U - Large-scale vacuum arc furnace bottom structure - Google Patents
Large-scale vacuum arc furnace bottom structure Download PDFInfo
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- CN214290759U CN214290759U CN202023187519.5U CN202023187519U CN214290759U CN 214290759 U CN214290759 U CN 214290759U CN 202023187519 U CN202023187519 U CN 202023187519U CN 214290759 U CN214290759 U CN 214290759U
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Abstract
The utility model provides a furnace bottom structure of a large vacuum arc furnace, which comprises a copper mould upper seat and a copper mould lower seat arranged at the lower end of the copper mould upper seat; the copper mould upper seat is connected with the copper mould lower seat through a bolt; a groove is formed in the upper end face of the lower copper mold base; a sealing ring is arranged between the upper copper mold seat and the lower copper mold seat; a water inlet hole and a water outlet hole are formed in the bottom end face of the lower copper mold seat; the water inlet hole and the water outlet hole are communicated with the groove; the port of the water outlet hole arranged at the bottom end of the lower copper mold seat is connected with a water inlet pipe; a one-way valve is arranged in the water inlet pipe; the port of the water outlet hole arranged at the bottom end of the lower copper mold seat is connected with a water outlet pipe; the other end of the water outlet pipe is provided with a switch valve, so that the processing and manufacturing cost is lower than that of the prior art, the size precision is easy to control, the installation, the manufacture and the maintenance are more convenient, and the cooling water can be replaced without being detached.
Description
Technical Field
The utility model relates to an electric arc furnace bottom structure, in particular to a large-scale vacuum electric arc furnace bottom structure.
Background
The traditional manufacturing method of the furnace bottom structure of the large vacuum arc furnace is that the copper mould upper seat and the copper mould lower seat are firstly roughly processed and then welded together, and then the whole is finely processed, because the upper copper mould seat and the lower copper mould seat are thicker and made of brass, cooling water is arranged between the two parts, so the welding requirements of the two parts are higher, once the welding is incomplete and has welding defects, the problems of water leakage, part scrapping and the like can be caused, meanwhile, the prior parts need secondary processing and are easy to generate welding deformation, the novel structure has the advantages that the upper copper mould seat and the lower copper mould seat are connected by bolts, the water path and the vacuum are sealed by the sealing ring in the middle, the same effect is achieved, and the processing and manufacturing cost is lower than that before, the size precision is easy to control, the installation, the manufacture and the maintenance are more convenient, and the cooling water can be replaced without being disassembled.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of large-scale vacuum arc furnace bottom construction, processing cost of manufacture is lower than before, easily control size precision, and it is more convenient to install the preparation maintenance to the cooling water need not dismantle just can change.
The utility model provides a furnace bottom structure of a large vacuum arc furnace, which comprises a copper mould upper seat and a copper mould lower seat arranged at the lower end of the copper mould upper seat; the copper mould upper seat is connected with the copper mould lower seat through a bolt; a groove is formed in the upper end face of the lower copper mold base; a sealing ring is arranged between the upper copper mold seat and the lower copper mold seat; a water inlet hole and a water outlet hole are formed in the bottom end face of the lower copper mold seat; the water inlet hole and the water outlet hole are communicated with the groove; the port of the water outlet hole arranged at the bottom end of the lower copper mold seat is connected with a water inlet pipe; a one-way valve is arranged in the water inlet pipe; the port of the water outlet hole arranged at the bottom end of the lower copper mold seat is connected with a water outlet pipe; and the other end of the water outlet pipe is provided with a switch valve.
The one-way valve includes a housing; the shell is provided with a through hole with two communicated ends; a bulge is fixedly arranged on one side, close to the lower copper mold seat, in the through hole; a spring is arranged at one end of the bulge, which is far away from the lower base of the copper mold; the other end of the spring is provided with a cylinder; one end of the cylinder, which is close to the spring, is provided with a cylinder hole; the cylindrical hole is provided with a through hole; a fixed block is arranged on one side, close to the cylinder, of the inner wall of the shell; and a second cylindrical hole is formed in the side surface of the cylinder on the inner wall of the shell.
The height of the cylinder is greater than the height of the second cylinder hole.
The insulating plate also comprises a polytetrafluoroethylene insulating plate; the polytetrafluoroethylene insulation board is connected with the copper mold upper seat through a bolt.
And cooling water is injected into the groove.
The utility model provides a pair of large-scale vacuum arc furnace bottom construction, processing cost of manufacture is lower than before, easily control size precision, and it is more convenient to install the preparation maintenance to the cooling water need not dismantle just can change.
Drawings
FIG. 1 is a sectional view of the bottom structure of a large vacuum arc furnace.
Fig. 2 is a structural diagram of the check valve of the furnace bottom structure of the large-scale vacuum arc furnace.
(1, copper mould upper seat, 2, copper mould lower seat, 3, bolt, 4, groove, 5, water inlet hole, 6, water outlet hole, 7, water inlet pipe, 8, check valve, 9, water outlet pipe, 10, switch valve, 11, shell, 12, through hole, 13, protrusion, 14, spring, 15, cylinder, 16, cylinder hole, 17, through hole, 18, fixed block, 19, second cylinder hole, 20, tetrafluoroethylene insulation board)
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 and 2, the bottom structure of a large vacuum arc furnace comprises an upper copper mold base 1 and a lower copper mold base 2 arranged at the lower end of the upper copper mold base 1; the copper mould upper seat 1 is connected with the copper mould lower seat 2 through a bolt 3; a groove 4 is formed in the upper end face of the copper mold lower seat 2; a sealing ring is arranged between the copper mold upper seat 1 and the copper mold lower seat 2; a water inlet hole 5 and a water outlet hole 6 are formed in the bottom end surface of the copper mold lower seat 2; the water inlet hole 5 and the water outlet hole 6 are both communicated with the groove 4; the port of the water outlet hole 6 arranged at the bottom end of the copper mold lower seat 2 is connected with a water inlet pipe 7; a one-way valve 8 is arranged in the water inlet pipe 7; the port of the water outlet hole 6 arranged at the bottom end of the copper mold lower seat 2 is connected with a water outlet pipe 9; the other end of the water outlet pipe 9 is provided with a switch valve 10; the one-way valve 8 comprises a housing 11; the shell 11 is provided with a through hole 12 with two communicated ends; a bulge 13 is fixedly arranged on one side, close to the lower copper mold seat 2, in the through hole 12; a spring 14 is arranged at one end of the bulge 13 far away from the lower copper mold seat 2; the other end of the spring 14 is provided with a cylinder 15; one end of the cylinder 15 close to the spring 14 is provided with a cylinder hole 16; a through hole 17 is formed in the cylindrical hole 16; a fixed block 18 is arranged on one side, close to the cylinder 15, of the inner wall of the shell 11; a second cylindrical hole 19 is formed in the side face of the upper cylinder 15 on the inner wall of the shell 11; the height of the cylinder 15 is greater than the height of the second cylindrical hole 19; also includes a polytetrafluoroethylene insulating board 20; the polytetrafluoroethylene insulation plate 20 is connected with the copper mold upper seat 1 through a bolt; and cooling water is injected into the groove 4.
The principle of the utility model is as follows: the utility model provides a large-scale vacuum arc furnace bottom construction, two parts of copper mould seat 1 and copper mould lower seat are connected through bolt 3, sealed water route and vacuum are come through the sealing washer in the centre, the processing cost of manufacture is low, easily control size precision, it is more convenient to install the preparation maintenance, when the cooling water is changed, through inlet tube 7 water injection, there is check valve 8 in the inlet tube 7, the cooling water of pouring into can not flow back, the cooling water before passes through outlet pipe 9 and flows, realize the change of cooling water, need not unpack apart copper mould seat 1 and copper mould lower seat 2, and is convenient and fast.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a large-scale vacuum electric arc furnace bottom structure which characterized in that: comprises a copper mould upper seat (1) and a copper mould lower seat (2) arranged at the lower end of the copper mould upper seat (1); the copper mould upper seat (1) is connected with the copper mould lower seat (2) through a bolt (3); a groove (4) is formed in the upper end face of the copper mold lower seat (2); a sealing ring is arranged between the copper mold upper seat (1) and the copper mold lower seat (2); a water inlet hole (5) and a water outlet hole (6) are formed in the bottom end surface of the copper mold lower seat (2); the water inlet hole (5) and the water outlet hole (6) are communicated with the groove (4); the port of the water outlet hole (6) arranged at the bottom end of the copper mold lower seat (2) is connected with a water inlet pipe (7); a one-way valve (8) is arranged in the water inlet pipe (7); the port of the water outlet hole (6) arranged at the bottom end of the copper mold lower seat (2) is connected with a water outlet pipe (9); and a switch valve (10) is arranged at the other end of the water outlet pipe (9).
2. A large vacuum arc furnace bottom structure according to claim 1, characterized in that: the one-way valve (8) comprises a housing (11); the shell (11) is provided with a through hole (12) with two communicated ends; a bulge (13) is fixedly arranged on one side, close to the lower copper mold seat (2), in the through hole (12); a spring (14) is arranged at one end of the bulge (13) far away from the lower copper mold seat (2); the other end of the spring (14) is provided with a cylinder (15); one end of the cylinder (15) close to the spring (14) is provided with a cylinder hole (16); a through hole (17) is arranged on the cylindrical hole (16); a fixed block (18) is arranged on one side, close to the cylinder (15), of the inner wall of the shell (11); and a second cylindrical hole (19) is formed in the side surface of the upper cylinder (15) on the inner wall of the shell (11).
3. A large vacuum arc furnace bottom structure according to claim 2, characterized in that: the height of the cylinder (15) is greater than the height of the second cylindrical bore (19).
4. A large vacuum arc furnace bottom structure according to claim 1, characterized in that: also comprises a polytetrafluoroethylene insulating board (20); the polytetrafluoroethylene insulation board (20) is connected with the copper mold upper seat (1) through bolts.
5. A large vacuum arc furnace bottom structure according to claim 1, characterized in that: and cooling water is injected into the groove (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023187519.5U CN214290759U (en) | 2020-12-26 | 2020-12-26 | Large-scale vacuum arc furnace bottom structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023187519.5U CN214290759U (en) | 2020-12-26 | 2020-12-26 | Large-scale vacuum arc furnace bottom structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214290759U true CN214290759U (en) | 2021-09-28 |
Family
ID=77861470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023187519.5U Active CN214290759U (en) | 2020-12-26 | 2020-12-26 | Large-scale vacuum arc furnace bottom structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214290759U (en) |
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2020
- 2020-12-26 CN CN202023187519.5U patent/CN214290759U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230918 Address after: Building 1, No. 2303 Yongda Road, Industrial East Zone, Xindu District, Chengdu, Sichuan Province, 610500 Patentee after: Mengting (Chengdu) Instrument Equipment Co.,Ltd. Address before: 2 / F, no.979, Yunhan Road, Lingang New District, free trade pilot zone, Pudong New Area, Shanghai Patentee before: Shanghai Mengting Instrument Equipment Co.,Ltd. |
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| TR01 | Transfer of patent right |