CN210374560U - Intermittent working electric furnace suitable for cold zone - Google Patents
Intermittent working electric furnace suitable for cold zone Download PDFInfo
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- CN210374560U CN210374560U CN201921156801.1U CN201921156801U CN210374560U CN 210374560 U CN210374560 U CN 210374560U CN 201921156801 U CN201921156801 U CN 201921156801U CN 210374560 U CN210374560 U CN 210374560U
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Abstract
An electric furnace for intermittent working in cold region. The electric furnace comprises three parts, namely an electric furnace, auxiliary equipment and an open water tank which are positioned in an indoor part, a closed cooling tower which is positioned in an outdoor part, and a supplementary water tank and an underground circulating water tank which are positioned underground; the cold water tank is respectively communicated with the closed cooling tower, the make-up water tank and the auxiliary equipment through a first water inlet pipe; and the hot water tank is communicated with the closed cooling tower through a second water outlet pipe. The electromagnetic valve is arranged at the lowest position of the water outlet of the closed cooling tower, so that the water in the pipeline can be ensured to completely flow back to the underground circulating water pool, and the pipeline is prevented from being frozen; the first water inlet pipe and the second water outlet pipe are exposed out of the ground part, and a heating belt is coated outside the pipeline of the first water inlet pipe and the second water outlet pipe so that the pipeline of the first water inlet pipe and the second water outlet pipe is not frozen; because the pipeline is not provided with accumulated water after the electric furnace is stopped, the electric furnace is not frozen, so that the electric furnace can be stopped intermittently according to production needs, the electric furnace is not worried about, and the energy consumption can be saved.
Description
Technical Field
The utility model relates to an electric furnace for steelmaking, in particular to a gap working electric furnace suitable for cold regions.
Background
When the electric furnace for steelmaking works in a high-power state, a large amount of heat is inevitably generated due to the heat effect of current, and high temperature rise is caused particularly when the electric furnace works under a high-current condition. If cooling is not performed in time, the performance and efficiency of the equipment may be affected, and furthermore, components may be burned and machines may be damaged.
The conventional electric furnace for steelmaking has the problem of freezing prevention in winter in the north, particularly in cold regions such as inner Mongolia, Xinjiang and northeast province. Because the whole cooling system is filled with cooling water when the conventional electric furnace for steelmaking normally works, when the equipment stops working, the cooling water in the pipeline in the cooling system can not completely flow back to the water tank. When the environmental temperature is lower than zero, the cooling water can be frozen, and the copper pipe, the steel pipe and the like in the system can be broken in serious conditions, so that the normal maintenance of the electric furnace is influenced. The intermittent working condition of the electric furnace is a normal state of an enterprise at present, and if the electric furnace and a cooling system thereof are not frozen, the electric furnace is required to be continuously powered on in a long winter to ensure enough heat maintenance, which causes great waste to energy.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome prior art drawback, provide a clearance nature work electric stove suitable for cold zone, it is located secret make-up water tank, underground circulation pond and auxiliary heating measure through the setting, can effectively solve the pipeline and freeze the problem, satisfies the heat preservation requirement of electric stove clearance nature work.
The utility model provides a technical scheme that its technical problem adopted is:
an electric furnace suitable for intermittent working in cold regions comprises an electric furnace, auxiliary equipment and an open water tank which are positioned in an indoor part, a closed cooling tower which is positioned in an outdoor part, a make-up water tank which is positioned underground and an underground circulating water tank;
the underground circulating water tank is divided into a cold water tank and a hot water tank by a middle partition plate, and an overflow hole is formed in the middle lower part of the middle partition plate;
the cold water tank is respectively communicated with the open water tank and the electric furnace through a first water outlet pipe; the cold water tank is respectively communicated with the closed cooling tower, the make-up water tank and the auxiliary equipment through a first water inlet pipe; the open water tank is communicated with the auxiliary equipment through a connecting pipe; the hot water pool is communicated with the electric furnace through a second water inlet pipe; the hot water pool is communicated with the closed cooling tower through a second water outlet pipe;
the first water inlet pipe and the second water outlet pipe are exposed out of the ground part, and a heating belt is wrapped outside the pipeline; and a first electromagnetic valve is arranged at the lowest position of the water outlet of the closed cooling tower.
The intermittent working electric furnace suitable for the cold zone is characterized in that the number of the closed cooling towers is not less than three, the closed cooling towers are connected in parallel, and a second electromagnetic valve is arranged at a water inlet of each closed cooling tower.
The intermittent working electric furnace suitable for the cold zone is characterized in that a pressure gauge is arranged at the water outlet of the hot water pool.
The intermittent working electric furnace suitable for the cold region is characterized in that a thermometer is arranged at the water inlet of the cold water pool.
The intermittent working electric furnace suitable for the cold region is characterized in that the outer surfaces of the cold water pool and the hot water pool are respectively provided with a liquid level meter.
The intermittent working electric furnace suitable for the cold area is characterized in that the water outlets of the cold water pool and the hot water pool are provided with pressure-adjustable water pumps.
The utility model has the advantages that:
the utility model adopts the underground circulating water tank, and the electromagnetic valve is arranged at the lowest position of the water outlet of the closed cooling tower, when the system is stopped, the water in the pipeline can be ensured to flow back to the underground circulating water tank completely, so that the pipeline is anhydrous and can not be frozen; the first water inlet pipe and the second water outlet pipe are exposed on the ground, and the heating belt is wrapped outside the pipeline, so that the pipeline at the position is not frozen even in an idle state. In addition, because the pipeline is not provided with accumulated water after the electric furnace is stopped, the electric furnace is not frozen, so that the electric furnace can be stopped intermittently according to production needs, no worry is caused later, and the energy consumption can be saved.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the structure of the present invention.
In the drawings, the reference numerals denote: 1. an electric furnace; 2. an auxiliary device; 3. An open water tank; 4. a closed cooling tower; 5. a make-up water tank; 6. an underground circulating water tank; 6-1, a hot water tank; 6-2, a cold water tank; 6-3, overflow holes; 7. a first water outlet pipe; 8. a first water inlet pipe; 9. a connecting pipe; 10. a second water inlet pipe; 11. a second water outlet pipe; 12-1, a first electromagnetic valve; 12-2, a second electromagnetic valve; 13. a pressure gauge; 14. a thermometer; 15. a liquid level meter; 16. a pressure-adjustable water pump; 17. and heating the belt.
Detailed Description
The present invention will be further described with reference to the following examples.
Referring to fig. 1, the utility model relates to a clearance work electric stove suitable for cold area, the electric stove contains triplex, the electric stove 1, auxiliary assembly 2 and open water tank 3 that are located indoor portion on the one hand, closed cooling tower 4 that is located outdoor portion on the other hand, supplementary water tank 5 and underground circulating water pool 6 that are located underground on the other hand; the make-up water tank 5 and the underground circulating water tank 6 can keep warm by the earth surface to prevent icing because of being arranged underground, and meanwhile, the make-up water tank and the underground circulating water tank are positioned in a closed environment to effectively prevent water pollution. The underground circulating water tank 6 is divided into a cold water tank 6-1 and a hot water tank 6-2 by a middle partition plate, and the middle lower part of the middle partition plate is provided with an overflow hole 6-3; when the closed cooling tower is in a working state or a non-working state, the liquid level of the cold water pool 6-1 is higher than that of the hot water pool 6-2, when the liquid level of the cold water pool is high enough, cold water is converged into the hot water pool 6-2 through the overflow holes 6-3, hot water in the hot water pool 6-2 is pre-cooled, and the energy consumption of the closed cooling tower 4 can be further reduced. Liquid level meters 15 are respectively arranged on the outer surfaces of the cold water pool 6-1 and the hot water pool 6-2, and the liquid levels in the cold water pool 6-1 and the hot water pool 6-2 can be observed at any time.
The cold water pool 6-1 is respectively communicated with the open water tank 3 and the electric furnace 1 through a first water outlet pipe 7, the open water tank 3 is communicated with the auxiliary equipment 2 through a connecting pipe 9, the open water tank 3 can check the quality of cooling water in the system at any time, if the quality of the cooling water does not reach the standard, the system is stopped in time, and the cooling water in the system is treated until the cooling water reaches the standard. The cold water tank 6-1 is respectively communicated with the closed cooling tower 4, the make-up water tank 5 and the auxiliary equipment 2 through a first water inlet pipe 8, because the working temperature of the auxiliary equipment 2 is not high, the cooled water can be directly discharged into the cold water tank so as to reduce the energy consumption, and the make-up water tank 5 can supplement cooling water to the system in real time according to the working requirement; the first electromagnetic valve 12-1 is arranged at the lowest position of the water outlet of the closed cooling tower 4, and after the system stops working, the inside of the closed cooling tower 4 can completely flow back to the cold water pool 6-1 to prevent icing.
The hot water tank 6-2 is communicated with the electric furnace 1 through a second water inlet pipe 10; and the hot water tank 6-2 is communicated with the closed cooling tower 4 through a second water outlet pipe 11.
The first water inlet pipe 8 and the second water outlet pipe 11 are exposed on the ground, and the heating belt 17 is coated outside the pipelines, so that the exposed pipelines can be prevented from freezing in the low-temperature environment in winter.
In summary, the following steps: after the electric furnace is stopped, water in the cooling tower and the pipeline can be completely returned to the underground circulating water tank 6, so that no water is accumulated in the pipeline and the electric furnace is not frozen, the electric furnace can be stopped intermittently according to production needs, no worry is caused later, and energy consumption can be saved.
The number of the closed cooling towers 4 is not less than three, the closed cooling towers are connected in parallel, and second electromagnetic valves 12-2 are arranged at positions close to water inlets of the closed cooling towers 4. The number of the closed cooling towers 4 can be selected to be started according to the temperature of the hot water pool 6-2, the working requirements of the electric furnace 1 and the auxiliary equipment 2, so that the production requirements are met and the energy consumption is reduced.
The water outlets of the cold water pool 6-1 and the hot water pool 6-2 are provided with pressure-adjustable water pumps 16 which are provided with pressure-adjusting buttons, and the proper water pump pressure is selected according to actual work requirements. And a pressure gauge 13 is arranged at the water outlet of the hot water tank 6-2, so that whether the cooling water which enters the closed cooling tower in advance meets the pressure requirement of the closed cooling tower 4 can be checked at any time. A thermometer 14 is arranged at a water inlet of the cold water pool 6-1, and whether the temperature of cooling water in a cooled pipeline meets the actual use requirement or not can be detected.
Claims (6)
1. An electric furnace for intermittent working in cold region, which is characterized in that: the electric furnace comprises three parts, namely an electric furnace (1), auxiliary equipment (2) and an open water tank (3) which are positioned at the indoor part, a closed cooling tower (4) which is positioned at the outdoor part, and a make-up water tank (5) and an underground circulating water pool (6) which are positioned underground;
the underground circulating water tank (6) is divided into a cold water tank (6-1) and a hot water tank (6-2) through a middle partition plate, and an overflow hole (6-3) is formed in the middle lower part of the middle partition plate;
the cold water tank (6-1) is respectively communicated with the open water tank (3) and the electric furnace (1) through a first water outlet pipe (7); the cold water tank (6-1) is respectively communicated with the closed cooling tower (4), the make-up water tank (5) and the auxiliary equipment (2) through a first water inlet pipe (8); the open water tank (3) is communicated with the auxiliary equipment (2) through a connecting pipe (9); the hot water tank (6-2) is communicated with the electric furnace (1) through a second water inlet pipe (10); the hot water tank (6-2) is communicated with the closed cooling tower (4) through a second water outlet pipe (11);
the first water inlet pipe (8) and the second water outlet pipe (11) are exposed out of the ground part, and a heating belt (17) is coated outside the pipeline; a first electromagnetic valve (12-1) is arranged at the lowest position of a water outlet of the closed cooling tower (4).
2. The intermittently operated electric furnace as claimed in claim 1, wherein: the number of the closed cooling towers (4) is not less than three, the closed cooling towers are mutually connected in parallel, and second electromagnetic valves (12-2) are arranged at the positions close to water inlets of the closed cooling towers (4).
3. The intermittently operated electric furnace as claimed in claim 2, wherein: and a pressure gauge (13) is arranged at the water outlet of the hot water tank (6-2).
4. The intermittently operated electric furnace as claimed in claim 3, wherein: a thermometer (14) is arranged at the water inlet of the cold water tank (6-1).
5. The intermittently operated electric furnace as claimed in claim 4, wherein: liquid level meters (15) are respectively arranged on the outer surfaces of the cold water tank (6-1) and the hot water tank (6-2).
6. The intermittently operated electric furnace as claimed in claim 5, wherein: and water outlets of the cold water tank (6-1) and the hot water tank (6-2) are provided with pressure-adjustable water pumps (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921156801.1U CN210374560U (en) | 2019-07-23 | 2019-07-23 | Intermittent working electric furnace suitable for cold zone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921156801.1U CN210374560U (en) | 2019-07-23 | 2019-07-23 | Intermittent working electric furnace suitable for cold zone |
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| Publication Number | Publication Date |
|---|---|
| CN210374560U true CN210374560U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921156801.1U Active CN210374560U (en) | 2019-07-23 | 2019-07-23 | Intermittent working electric furnace suitable for cold zone |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114082380A (en) * | 2021-11-23 | 2022-02-25 | 广东长信精密设备有限公司 | Cooling tower circulating cooling water system and reaction kettle production system |
| CN114212992A (en) * | 2020-08-18 | 2022-03-22 | 中环正奇科技有限公司 | A cold sediment electric stove system for producing high-end mineral wool |
-
2019
- 2019-07-23 CN CN201921156801.1U patent/CN210374560U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114212992A (en) * | 2020-08-18 | 2022-03-22 | 中环正奇科技有限公司 | A cold sediment electric stove system for producing high-end mineral wool |
| CN114082380A (en) * | 2021-11-23 | 2022-02-25 | 广东长信精密设备有限公司 | Cooling tower circulating cooling water system and reaction kettle production system |
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