CN205376257U - Hot stove transformer cooling device in ore deposit - Google Patents

Hot stove transformer cooling device in ore deposit Download PDF

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Publication number
CN205376257U
CN205376257U CN201620135811.7U CN201620135811U CN205376257U CN 205376257 U CN205376257 U CN 205376257U CN 201620135811 U CN201620135811 U CN 201620135811U CN 205376257 U CN205376257 U CN 205376257U
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China
Prior art keywords
oil
water cooling
water
cooling plant
transformator
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CN201620135811.7U
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Chinese (zh)
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蒋仁全
李德仓
李忠津
赵燕辉
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Sichuan Guang Guang Industrial (group) Ltd By Share Ltd
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Sichuan Guang Guang Industrial (group) Ltd By Share Ltd
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Abstract

The utility model discloses a hot stove transformer cooling device in ore deposit in cooling device field, this cooling device include two set at least water cooling plants, the water cooling plant includes water inlet, delivery port, oil inlet, oil -out and heat exchanger, and wherein the water inlet links to each other with the inlet tube, and the delivery port links to each other with the outlet pipe, and the oil inlet goes out oil pipe with the transformer and links to each other, and the oil -out links to each other with the transformer oil inlet. The beneficial effects of the utility model are that: through setting up two set at least water cooling plants to adopt to establish ties, mode such as parallelly connected or exclusive use, improved whole cooling device's flexibility and cooling performance, avoided because of driving the stopping production problem that the scale deposit of cooling device inner wall results in, cooling device can not meet the demands and result in transformer oil temperature rising scheduling problem when having solved increase product output and change raw materials variety and product variety.

Description

Ore heat furnace transformer chiller
Technical field
This utility model relates to chiller field, particularly relates to a kind of chiller for ore heat furnace transformer.
Background technology
Mineral hot furnace is also known as electric-arc furnace or resistance electric furnace.It is mainly used in reducing and smelting Ore, the raw material such as carbonaceous reducing agent and solvent.Mainly produce the ferroalloys such as ferrosilicon, ferromanganese, ferrochrome, ferrotungsten, silicomangan, be the industrial chemicals such as essential industry raw material and carbide in metallurgical industry.Mineral hot furnace is the industrial furnace that a kind of power consumption is huge, and ore heat furnace transformer is the power supply unit of the main of mineral hot furnace and most critical, the quality of the reliable and secure operation direct relation product of transformator and yield.Owing to ore heat furnace transformer produces substantial amounts of heat in running, cause that all windings of transformator, iron core and insulant temperature raise, transformer insulated degree of aging can be accelerated, these temperature cannot detect, being eventually displayed on detectable temperature of oil in transformer, temperature exceeding standard will reduce operational efficiency and the service life of transformator.Large-scale mineral hot furnace, when design, is generally adopted a set of strong oil circulation water-cooling radiator cooler and solves the problem that transformer temperature is too high.But, in existing ore heat furnace transformer chiller, there is also many deficiencies, be embodied in:
At present, existing ore heat furnace transformer is respectively provided with a set of chiller, chiller long-play, the easy fouling of heat exchanger inwall of chiller, and the cooling capacity of chiller declines, and causes transformer oil temperature rise, it is necessary to stopping production processes.
Ore heat furnace transformer can run when continuous over loading 30%, and transformer cooling device is only according to the parameter designing under transformator normal operation.To increase product yield, by improving the load of transformator, then transformer temperature raises immediately, and current transformer cooling device cannot meet cooling requirement.
In field of metallurgy, the design of ore heat furnace transformer has relative independentability, and namely every kind of raw material is different with product, and the kind namely smelted is different, and the design parameter of mineral hot furnace is also different, and transformer load is required different with product by furnace charge.Therefore, to feed change and product variety, generally, the chiller of original ore heat furnace transformer can not meet requirement, it is too small relative to the kind heat exchange power produced before to cause oil-water cooler, and heat exchange area is too small, and circulation rate is slow, well the heat that inside transformer produces can not be transferred away, thus causing that temperature of oil in transformer rises.
Utility model content
For overcoming existing single set oil-water cooler limited in one's ability, regulate limited space, in smelting process, temperature of oil in transformer quickly can not be carried out the deficiencies such as cooling process when using big by load, and technical problem to be solved in the utility model is: provides a kind of energy flexible and can increase the chiller of ore heat furnace transformer cooling capacity.
This utility model solves the technical scheme is that ore heat furnace transformer chiller of its technical problem, water cooling plant is overlapped including at least two, described water cooling plant includes water inlet, outlet, oil-in, oil-out and heat exchanger, wherein water inlet is connected with water inlet pipe, outlet is connected with outlet pipe, oil-in is connected with transformator flowline, oil-out is connected with transformator oil-in, the valve port that each set water cooling plant is identical is connected with each bar pipeline after connecting together respectively again, radiator changes with the heat cooling down water for cooling down oil, pipeline is provided with pump for providing power.
It is further, described water cooling plant includes two sets, wherein the oil-out place of a water cooling plant be additionally provided with an oil return pipe and No. two water cooling plants oil-in be connected, a valve and No. two valves it are respectively equipped with between a described water cooling plant and No. two water cooling plants and transformator oil inlet pipe, No. three valves it are provided with between transformator flowline and No. two water cooling plants, oil return pipe is provided with No. four valves, and a water cooling plant and No. two are respectively equipped with No. five valves and No. six valves between water cooling plant and water inlet pipe.
Further, described water inlet pipe is provided with water pump, and described each set water cooling plant is equipped with oil pump, and described oil pump is between the oil-in and transformator flowline of water cooling plant.
Further, described often set water cooling plant all includes two oil pumps in parallel, and the two ends of oil pump are equipped with electromagnetic valve.
Further, described electromagnetic valve is hands, electricity dual-purpose, can manually and remotely control.
Further, the described pipeline often overlapped between the oil-in of water cooling plant and oil pump is provided with Pressure gauge, flow indicator and thermometer, and transformator oil inlet pipe also is provided with thermometer.
Further, also including control system, described oil pump, water pump, electromagnetic valve, Pressure gauge, flow indicator and thermometer and each valve is all connected with control system, system is automatically controlled by control system according to indexs such as temperature, flow or pressure.
The beneficial effects of the utility model are: by arranging at least two set water cooling plants, and adopt series, parallel or the mode such as be used alone, improve motility and the cooling performance of whole chiller, avoiding because removing the stopping production problem that causes of chiller encrustation, when solving increase product yield and feed change kind and product variety, chiller can not meet requirement and causes the problems such as transformer oil temperature rise.
Accompanying drawing explanation
Fig. 1 is this utility model structure diagram.
Fig. 2 is concrete structure schematic diagram of the present utility model.
Fig. 3 is two set water cooling plant cascaded structure schematic diagrams.
Fig. 4 is two set water cooling plant parallel-connection structure schematic diagrams.
Fig. 5 is the structural representation that a water cooling plant is used alone.
Fig. 6 is the structural representation that No. two water cooling plants are used alone.
Figure is labeled as, number water cooling plant of 1-, No. bis-water cooling plants of 2-, 3-water pump, 4-oil pump, 5-electromagnetic valve, 6-Pressure gauge, 7-flow indicator, 8-thermometer, 11-water inlet, 12-outlet, 13-oil-in, 14-oil-out, 23-oil-in, 24-oil-out, number valve of f1-, No. bis-valves of f2-, No. tri-valves of f3-, No. tetra-valves of f4-, No. five valves of f5-, No. six valves of f6-, g1-water inlet pipe, g2-outlet pipe, g3-transformator flowline, g4-transformator oil inlet pipe, g5-oil return pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is further illustrated.
The water cooling plant of ore heat furnace transformer generally comprises water inlet 11, outlet 12, oil-in 13, oil-out 14 and heat exchanger, wherein water inlet 11 is connected with water inlet pipe g1, outlet 12 is connected with outlet pipe g2, oil-in 13 is connected with transformator flowline g3, and oil-out 14 is connected with transformator oil-in g4.Cooling principle is with cooling water, the cooling oil derivation in transformator to be carried out in heat exchanger heat exchange reach the effect of cooling.Traditional transformer cooling device generally only has a set of water cooling plant, chiller long-play, the easy fouling of heat exchanger inwall of chiller, and the cooling capacity of chiller declines, and can cause transformer oil temperature rise, it is necessary to stopping production processes.And a set of water cooling plant cooling capacity is limited, when mineral hot furnace overload operation, chiller can not play effective cooling effect.
Improvements of the present utility model are to increase at least a set of water cooling plant on the basis of former chiller, as it is shown in figure 1, the valve port that respectively set water cooling plant is identical is connected with each bar pipeline after connecting together respectively again, each pipeline is provided with pump for providing power.Arranging at least two set water cooling plants, it is possible to use, it is possible to be used alone, it is possible to when not stopping production, wherein a set of water cooling plant is carried out, many set water cooling plants are provided that again enough cooling capacities when working simultaneously, it is ensured that the stable operation of transformator simultaneously.
Find that only overlapping water cooling plant with two is just provided that enough cooling capacities according to the actual condition of production, the concrete connected mode of two set water cooling plants is as shown in Figure 2, the oil-in 23 being provided with oil return pipe g5 and twos' water cooling plant 2 at two oil-out 14 places overlapping a water cooling plant 1 in water cooling plant is connected, a valve f1 and No. two valve f2 it is respectively equipped with between the oil-out 14 of a described water cooling plant 1 and the oil-out 24 of No. two water cooling plants 2 and transformator oil inlet pipe g4, it is provided with No. three valve f3 between the oil-in 23 of transformator flowline g3 and twos' water cooling plant 2, oil return pipe g5 is provided with No. four valve f4, No. five valve f5 and No. six valve f6 it are respectively equipped with between water inlet and the water inlet pipe g1 of the water inlet of a number water cooling plant 1 and No. two water cooling plants 2.
Two set water cooling plants can realize series, parallel and be used alone, concrete control mode is: during series connection, as shown in Figure 3, close a valve f1 and No. three valve f3, open all the other valves, two set water cooling plants start simultaneously, and cooling oil will pass sequentially through transformator flowline g3, water cooling plant 1, oil return pipe g5, No. two water cooling plants 2 flow back to transformator then through transformator oil inlet pipe g4;Time in parallel, as shown in Figure 4, closing No. four valve f4, open all the other valves, two set water cooling plants start simultaneously, and cooling oil respectively enters a water cooling plant 1 and No. two water cooling plants 2 by after transformator flowline g3, flows back to transformator then through transformator oil inlet pipe g4;It is used alone, when being used alone a water cooling plant 1, as it is shown in figure 5, open a valve f1 and No. five valve f5, all the other valve closings, cooling oil only flows through a water cooling plant 1, when being used alone No. two water cooling plants 2, as shown in Figure 6, open No. two valve f2, No. three valve f3, No. six valve f6, all the other valve closings, and close the electromagnetic valve of a water cooling plant 1, cooling oil only flows through No. two water cooling plants 2.
In order to be able to provide power to the circulation of cooling water and cooling oil, described water inlet pipe g1 is provided with water pump 3, described each set water cooling plant is equipped with oil pump 4, described oil pump 4 is between the oil-in and transformator flowline g3 of water cooling plant, arrange independent oil pump 4 to use and more flexibly, individually can nor affect on production during maintenance.
Described often set water cooling plant all includes two oil pumps 4 in parallel, and the two ends of oil pump 4 are equipped with electromagnetic valve 5.Arranging two oil pumps 4 and can guarantee that another normal operation also for when overhauling an oil pump, do not affect being normally carried out of production, electromagnetic valve 5 acts primarily as the effect of switch, all arranges at oil pump 4 two ends and can play, when maintenance, the effect dammed.
Further, described electromagnetic valve 5 is hands, electricity dual-purpose, can manual opening and closing, it is possible to remotely control.Type hand convenient to operation, electronic is remote controlled, it is simple to realize the control of automatization.
For the ease of observing and detect flow velocity and the cooling situation of cooling oil, the described pipeline often overlapped between the oil-in of water cooling plant and oil pump is equipped with Pressure gauge 6, flow indicator 7 and thermometer 8, transformator oil inlet pipe g4 also is provided with thermometer 8.By the comparison to the control of oil pump 4 flow and two thermometer 8 readings, it is possible to observing the cooling situation of cooling oil, Pressure gauge 6 acts primarily as protective effect, it is prevented that because pressure is excessive, equipment is caused damage.
This utility model can also realize the Automated condtrol of entirety, namely a control system is also included, described oil pump 4, water pump 3, electromagnetic valve 5, Pressure gauge 6, flow indicator 7 are all connected with control system with thermometer 8 and each valve, and system is automatically controlled by control system according to indexs such as temperature, flow or pressure.
Although this utility model only adds a set of water cooling plant on the basis of existing chiller, but by transformation cleverly, connect, the cooling performance making whole chiller is greatly improved, and flexible control can be realized, applied widely, without being normally carried out that impact produces during part maintenance, there is good practicality and application prospect.

Claims (7)

1. ore heat furnace transformer chiller, it is characterized in that: include at least two set water cooling plants, described water cooling plant includes water inlet (11), outlet (12), oil-in (13), oil-out (14) and heat exchanger, wherein water inlet (11) is connected with water inlet pipe (g1), outlet (12) is connected with outlet pipe (g2), oil-in (13) is connected with transformator flowline (g3), oil-out (14) is connected with transformator oil inlet pipe (g4), the valve port that each set water cooling plant is identical is connected with each bar pipeline after connecting together respectively again, radiator changes with the heat cooling down water for cooling down oil, pipeline is provided with pump for providing power.
2. ore heat furnace transformer chiller as claimed in claim 1, it is characterized in that: described water cooling plant includes two sets, wherein oil-out (14) place of a water cooling plant (1) is additionally provided with an oil return pipe (g5) and is connected with the oil-in (23) of No. two water cooling plants (2), a valve (f1) and No. two valves (f2) it are respectively equipped with between a described water cooling plant (1) and No. two water cooling plants (2) and transformator oil inlet pipe (g4), No. three valves (f3) it are provided with between transformator flowline (g3) and No. two water cooling plants (2), oil return pipe (g5) is provided with No. four valves (f4), No. five valves (f5) and No. six valves (f6) it are respectively equipped with between a number water cooling plant (1) and No. two water cooling plants (2) and water inlet pipe (g1).
3. ore heat furnace transformer chiller as claimed in claim 2, it is characterized in that: described water inlet pipe (g1) is provided with water pump (3), being equipped with oil pump (4) on described each set water cooling plant, described oil pump (4) is positioned between oil-in (13,23) and the transformator flowline (g3) of water cooling plant.
4. ore heat furnace transformer chiller as claimed in claim 3, is characterized in that: described often set water cooling plant all includes two oil pumps in parallel (4), and the two ends of oil pump (4) are equipped with electromagnetic valve (5).
5. ore heat furnace transformer chiller as claimed in claim 4, is characterized in that: described electromagnetic valve (5) is hands, electricity dual-purpose, it may be achieved manually and remotely control.
6. the ore heat furnace transformer chiller as described in claim 3,4 or 5, it is characterized in that: the pipeline between described oil-in (13,23) and the oil pump (4) often overlapping water cooling plant is provided with Pressure gauge (6), flow indicator (7) and thermometer (8), and transformator oil inlet pipe (g4) also is provided with thermometer (8).
7. ore heat furnace transformer chiller as claimed in claim 6, it is characterized in that: also include control system, described oil pump (4), water pump (3), electromagnetic valve (5), Pressure gauge (6), flow indicator (7) are all connected with control system with thermometer (8) and each valve, and system is automatically controlled by control system according to indexs such as temperature, flow or pressure.
CN201620135811.7U 2016-02-23 2016-02-23 Hot stove transformer cooling device in ore deposit Active CN205376257U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105513758A (en) * 2016-02-23 2016-04-20 四川金广实业(集团)股份有限公司 Cooling device for transformer of submerged arc furnace and utilization method of cooling device
CN113517115A (en) * 2021-06-18 2021-10-19 浙江尔格科技股份有限公司 Oil-water cooler, operation control method thereof and cooling system constructed by using same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105513758A (en) * 2016-02-23 2016-04-20 四川金广实业(集团)股份有限公司 Cooling device for transformer of submerged arc furnace and utilization method of cooling device
CN105513758B (en) * 2016-02-23 2018-03-23 四川金广实业(集团)股份有限公司 Ore heat furnace transformer cooling device and its application method
CN113517115A (en) * 2021-06-18 2021-10-19 浙江尔格科技股份有限公司 Oil-water cooler, operation control method thereof and cooling system constructed by using same
WO2022262009A1 (en) * 2021-06-18 2022-12-22 浙江尔格科技股份有限公司 Oil-water cooler, operation control method therefor, and cooling system constructed using same

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