CN110793334A - Cooling system of intermediate frequency furnace - Google Patents
Cooling system of intermediate frequency furnace Download PDFInfo
- Publication number
- CN110793334A CN110793334A CN201810864128.0A CN201810864128A CN110793334A CN 110793334 A CN110793334 A CN 110793334A CN 201810864128 A CN201810864128 A CN 201810864128A CN 110793334 A CN110793334 A CN 110793334A
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- Prior art keywords
- water
- intermediate frequency
- temperature
- pipe
- pump
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- 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
- F27D9/00—Cooling of furnaces or of charges therein
-
- 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
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/0002—Cooling of furnaces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the technical field of cooling of intermediate frequency furnaces, in particular to a cooling system of an intermediate frequency furnace, which comprises a high-temperature water outlet pipe A and a low-temperature water return pipe A, wherein the high-temperature water outlet pipe A and the low-temperature water return pipe A are connected with a furnace body of the intermediate frequency furnace, and the cooling system is characterized in that: the cooling system also comprises a high-temperature water outlet pipe B and a low-temperature water return pipe B which are connected with the intermediate frequency furnace control cabinet, the other ends of the high-temperature water outlet pipe A and the high-temperature water outlet pipe B are connected with the same transition water tank, the bottom of the transition water tank is provided with a water pump, the water pump is connected with a water inlet of a closed cooling tower through a pipeline, a water outlet of the closed cooling tower is provided with a water return pump, and the water return pump is connected with the low-temperature water return pipe A and the low-temperature; when the invention is applied, the furnace body and the control cabinet share one set of cooling system, thereby saving the cost and improving the cooling efficiency.
Description
Technical Field
The invention relates to the technical field of cooling of intermediate frequency furnaces, in particular to a cooling system of an intermediate frequency furnace.
Background
At present, the steel-making industry in China mainly adopts an intermediate frequency furnace to smelt molten iron, and the induction coil part of a furnace body and a control cabinet have high heat productivity due to large current during production of the intermediate frequency furnace, so that a corresponding cooling system is required to be equipped;
generally, the furnace body and the control cabinet respectively adopt independent cooling devices, so the cost is higher.
Disclosure of Invention
The invention aims to solve the problem that the cost is high because the furnace body and the control cabinet respectively adopt independent cooling devices at present, and provides a cooling system of an intermediate frequency furnace.
The specific scheme of the invention is as follows: the utility model provides a cooling system of intermediate frequency furnace, it includes high temperature outlet pipe A and the low temperature wet return A of being connected with the intermediate frequency furnace body, cooling system still includes high temperature outlet pipe B and the low temperature wet return B of being connected with the intermediate frequency furnace switch board, and same transition water tank is connected to the other end of high temperature outlet pipe A and B, and a water pump is equipped with to the bottom of transition water tank, and the water pump passes through the pipeline to be connected with the water inlet of a closed cooling tower, and a wet return pump is equipped with to the delivery port of closed cooling tower, and the wet return pump is connected with low temperature wet return A and low temperature wet return B through.
The transition water tank is internally provided with a liquid level sensor, signals of the liquid level sensor are transmitted to a controller of the water pump, the controller controls the water pump to be started and stopped, the water pump is started when the liquid level reaches a preset highest water level value, and the water pump is stopped when the liquid level reaches a preset lowest water level value.
The closed cooling tower comprises a tower body, wherein a water dispersion disc is arranged at the top of the tower body, a packing layer is arranged below the water dispersion disc, a cavity is arranged below the packing layer, a heat exchange pipe with two ends respectively communicated with a water inlet and a water outlet is arranged in the cavity, a water collection tank is arranged below the cavity, a booster pump is arranged at the bottom of the water collection tank and connected with the water dispersion disc through a pipeline, a water replenishing pipe is also arranged above the water collection tank and positioned in the cavity and connected with a water pool through a water pump, an induced draft fan is arranged on the tower body and positioned on the outer side of the packing layer, and.
The bottom of the water collecting tank is provided with a water discharging pipe, and a floating ball is placed on the water surface in the water collecting tank.
The working principle of the invention is as follows: high-temperature water of the furnace body flows into the transition water tank from the high-temperature water outlet pipe A, high-temperature water of the control cabinet flows into the transition water tank from the high-temperature water outlet pipe B, water in the transition water tank flows into a heat exchange pipe of the closed cooling tower through a water pump, water in a water collection tank at the bottom of the closed cooling tower is sprayed downwards from a water scattering disc through a booster pump, the water is firstly primarily cooled through the packing layer and then contacts with the outer surface of the heat exchange pipe to enable the temperature of the high-temperature water in the heat exchange pipe to be rapidly reduced, the high-temperature water is cooled and then flows back into the furnace body and the control cabinet from a water outlet through a water return pipe, an induced draft fan of; water can be taken from the pond through the suction pump and is replenished after the water loss in the header tank of closed cooling tower, and the floater can be used for judging the water level of header tank, and then judges whether the moisturizing is required.
Compared with the prior art, the invention has the following advantages: 1. by arranging the transition water tank and adopting the mode that the water outlet of the closed cooling tower is simultaneously connected with the furnace body water return pipe and the control cabinet water return pipe, a set of cooling system is shared, and the cost is reduced; 2. the closed cooling tower is provided with a cavity, the periphery of the packing layer is provided with a fan, cold air is sucked from the outside to exchange heat with the heat exchange tube, and the cooling efficiency is further improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a view A-A of FIG. 1;
FIG. 3 is a view from the direction B of FIG. 2;
in the figure: 1-furnace body, 2-low temperature water return pipe A, 3-high temperature water outlet pipe A, 4-low temperature water return pipe B, 5-water return pipe, 6-control cabinet, 7-high temperature water outlet pipe B, 8-transition water tank, 9-liquid level sensor, 10-water pump, 11-water dispersion plate, 12-packing layer, 13-air inlet grille, 14-heat exchange pipe, 15-booster pump, 16-water collection tank, 17-water return pump, 18-water replenishing pipe, 19-floating ball, 20-water discharge pipe, 21-water suction pump, 22-water pool, 23-induced draft fan, 24-water outlet and 25-water inlet.
Detailed Description
Referring to fig. 1-3, the embodiment includes a high-temperature water outlet pipe A3 and a low-temperature water return pipe a2 connected to a furnace body 1 of the intermediate frequency furnace, and further includes a high-temperature water outlet pipe B7 and a low-temperature water return pipe B4 connected to a control cabinet 6 of the intermediate frequency furnace, the other ends of the high-temperature water outlet pipe A3 and the high-temperature water outlet pipe B7 are connected to the same transition water tank 8, a water pump 10 is installed at the bottom of the transition water tank 8, the water pump 10 is connected to a water inlet 25 of a closed cooling tower through a pipeline, a water return pump 17 is installed at a water outlet 24 of the closed cooling tower, and the water return pump 17 is connected to a low-temperature water.
In this embodiment the transition water tank 8 is equipped with a level sensor 9 in, and level sensor 9's signal spreads into the controller of water pump 10 into, and controller control water pump 10 opens and closes, and water pump 10 opens when the liquid level reaches and predetermines the highest water level value, and water pump 10 closes when the liquid level reaches and predetermines the lowest water level value.
This embodiment closed cooling tower includes the tower body, and scattered water tray 11 is equipped with at the tower body top, and scattered water tray 11 below is equipped with packing layer 12, and packing layer 12 below is equipped with the cavity, is equipped with both ends respectively with the heat exchange tube 14 of water inlet 25 and 24 intercommunications of delivery port in the cavity, and the water header 16 is equipped with to the cavity below, and booster pump 15 is equipped with to the 16 bottom of water header, and booster pump 15 passes through the pipeline to be connected with scattered water tray 11, and 16 tops of water header are located the cavity and still are equipped with moisturizing pipe 18, and moisturizing pipe 18 is connected with a pond 22 through a suction pump 21, it is equipped with draught fan 23 to lie in the 12 outsides of.
In this embodiment, a water discharge pipe 20 is installed at the bottom of the water collection tank 16, a valve is installed on the water discharge pipe 20, and a floating ball 19 is placed on the water surface in the water collection tank 16 for determining the liquid level in the water collection tank 16.
Claims (4)
1. The utility model provides a cooling system of intermediate frequency furnace, it includes high temperature outlet pipe A and low temperature wet return A, characterized by that be connected with the intermediate frequency furnace body: the cooling system further comprises a high-temperature water outlet pipe B and a low-temperature water return pipe B which are connected with the intermediate frequency furnace control cabinet, the other ends of the high-temperature water outlet pipe A and the high-temperature water outlet pipe B are connected with the same transition water tank, a water pump is mounted at the bottom of the transition water tank and connected with a water inlet of a closed cooling tower through a pipeline, a water return pump is mounted at a water outlet of the closed cooling tower and connected with the low-temperature water return pipe A and the low-temperature water return pipe B through a water return pipe.
2. The cooling system of the intermediate frequency furnace as claimed in claim 1, wherein: and a liquid level sensor is arranged in the transition water tank and used for controlling the opening and closing of a water pump at the bottom of the transition water tank.
3. The cooling system of the intermediate frequency furnace as claimed in claim 1, wherein: the closed cooling tower comprises a tower body, a water-dispersing tray is arranged at the top of the tower body, a packing layer is arranged below the water-dispersing tray, a cavity is arranged below the packing layer, heat exchange tubes are arranged in the cavity, the two ends of the heat exchange tubes are communicated with a water inlet and a water outlet respectively, a water collecting tank is arranged below the cavity, a booster pump is arranged at the bottom of the water collecting tank and is connected with the water-dispersing tray through a pipeline, a water replenishing pipe is arranged in the cavity above the water collecting tank, the water replenishing pipe is connected with a water pool through a water suction pump, an induced draft fan is arranged outside the.
4. The cooling system of the intermediate frequency furnace as claimed in claim 3, wherein: the bottom of the water collecting tank is provided with a water discharge pipe, and a floating ball is placed on the water surface in the water collecting tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810864128.0A CN110793334A (en) | 2018-08-01 | 2018-08-01 | Cooling system of intermediate frequency furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810864128.0A CN110793334A (en) | 2018-08-01 | 2018-08-01 | Cooling system of intermediate frequency furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110793334A true CN110793334A (en) | 2020-02-14 |
Family
ID=69426094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810864128.0A Pending CN110793334A (en) | 2018-08-01 | 2018-08-01 | Cooling system of intermediate frequency furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110793334A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028830A (en) * | 2021-03-30 | 2021-06-25 | 韶关格美机械有限公司 | Explosion-proof protection device |
-
2018
- 2018-08-01 CN CN201810864128.0A patent/CN110793334A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028830A (en) * | 2021-03-30 | 2021-06-25 | 韶关格美机械有限公司 | Explosion-proof protection device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200214 |
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| WD01 | Invention patent application deemed withdrawn after publication |