CN216869199U - Cooling system for chromium sesquioxide electric melting - Google Patents
Cooling system for chromium sesquioxide electric melting Download PDFInfo
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- CN216869199U CN216869199U CN202122828928.7U CN202122828928U CN216869199U CN 216869199 U CN216869199 U CN 216869199U CN 202122828928 U CN202122828928 U CN 202122828928U CN 216869199 U CN216869199 U CN 216869199U
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Abstract
The utility model discloses a cooling system for electric melting of chromium sesquioxide, which comprises a clean water tank and a circulating water tank, wherein the output ends of the clean water tank and the circulating water tank are both connected with the input end of an electric arc furnace cooling pipeline, the input end of the clean water tank is connected with a softening cylinder, and the softening cylinder is connected with a water source.
Description
Technical Field
The utility model belongs to the technical field of cooling system design, and particularly relates to a cooling system for chromic oxide electric melting.
Background
The chromium oxide is hexagonal crystal series or amorphous olive green powder, has poor crystallinity, metallic luster, specific gravity of 5.21, melting point of 2266 +/-25 ℃, boiling point of 4000 ℃, insolubility in water and acid, solubility in hot alkali metal bromate solution, light, atmosphere, high temperature and corrosive gas (SO)2、H2S, etc.) are extremely stable and have high hiding power. Ozone gasThe dichromium carbide is heated, melted, insulated and cooled by a special process, so that crystal molecules of the dichromium carbide can be rearranged and grown, the crystallization is complete and uniform, and no new substance is generated in the crystallization process.
At present, the heating and melting process of chromium sesquioxide adopts an electric arc furnace to carry out electric melting treatment on metal raw materials, and because the electric arc furnace can generate very high temperature in the production process, a proper cooling system needs to be equipped, the existing cooling system is shown in figure 2, water in a water pipe firstly enters a clean water tank, when cooling is carried out, cooling water in the clean water tank is guided into a circulating water tank, the cooling water in the circulating water tank enters the electric arc furnace again for cooling, and then the water enters a settling tank again and enters the circulating water tank after sedimentation and filtration. The cooling system has certain defects in practical use, which are mainly reflected in that: 1. because the quality of the cooling water used in practice is hard, the scaling problem is easy to occur in the water cooling process, so that the pipeline is blocked, the normal circulation of water cannot be realized, the electric arc furnace cannot be cooled quickly, and the cooling effect is influenced; 2. since the cooling water entering the electric arc furnace is only supplied from the circulating water tank, the cooling effect of the electric arc furnace is also affected when the water amount in the circulating water tank is insufficient or the water temperature is not reduced to a certain value.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a cooling system for electric melting of chromium trioxide, which has simple and reasonable structural design and convenient use, can soften the water entering the cooling system by adding a softening cylinder, reduce the probability of water scaling phenomenon and ensure the normal circulation of water, and can take away the heat generated in the use process of an electric arc furnace in time and improve the cooling efficiency.
The technical scheme adopted by the utility model is as follows: the utility model provides a cooling system that chromium sesquioxide electric smelting was used, includes clean water basin and circulating water basin, and the output in clean water basin and circulating water basin all links to each other with electric arc furnace cooling pipe's input, is connected with the section of thick bamboo that softens at the input in clean water basin, softens a section of thick bamboo and is connected with the water source.
The output end of the cooling pipeline of the electric arc furnace is connected with a sedimentation tank, and the output end of the sedimentation tank is connected with the input end of the circulating water tank.
The cooling system for the electric melting of the chromium sesquioxide has the advantages that a water source is water in a tap water pipe or a water well, the water firstly enters a softening cylinder, sodium chloride for softening the water is filled in the softening cylinder, calcium and magnesium ions in the water are replaced by an ion exchange method, and the condition of scale generation caused by the rise of temperature is avoided due to the high solubility of sodium salt; the water through softening enters into the clear water pond and saves, at electric arc furnace during operation, water in the clear water pond can lead to in the cooling tube of electric arc furnace, take away the produced high temperature of electric arc furnace body and stove outer covering, meanwhile, the water in the circulating water pond also enters into the electric arc furnace region after filtering, further realizes refrigerated effect, the temperature risees the back and enters into the sedimentation tank from the trench, the sedimentation tank can deposit the impurity of aquatic and then enter into the circulating water pond, accomplish whole refrigerated process.
The device comprises a clean water tank and a circulating water tank, wherein the output ends of the clean water tank and the circulating water tank are connected with the input end of an electric arc furnace cooling pipeline; the purpose of this is: the clean water tank is used as a container for storing softened water, when the water source is cut off, water can be guided into the electric arc furnace cooling pipeline from the clean water tank, cooling is rapidly achieved, the circulating water tank mainly cools high-temperature water, water can be recycled, and the purpose of saving water is achieved.
The input end of the clean water tank is connected with a softening cylinder, and the softening cylinder is connected with a water source; the purpose of this is: the water softening device is used for softening water and replacing calcium and magnesium ions in the water to prevent the problem of scale generation caused by water temperature rising in the cooling process and prevent the condition that a cooling system cannot normally run due to blockage in a pipeline.
The utility model has the beneficial effects that:
the utility model has simple design structure and convenient use, can soften the water entering the cooling system by adding the softening cylinder, reduces the probability of water scaling phenomenon, ensures the normal circulation of water, can take away the heat generated in the use process of the electric arc furnace in time when cooling, and improves the cooling efficiency.
Drawings
FIG. 1 is a system flow diagram of the present invention;
fig. 2 is a flow diagram of a prior art cooling system.
The labels in the figure are: 1. a water source; 2. a softening cylinder; 3. a clean water tank; 4. a circulating water tank; 5. an electric arc furnace; 6. a sedimentation tank.
Detailed Description
The following detailed description of embodiments of the utility model is provided in connection with the accompanying drawings.
As shown in the figure, a cooling system that chromium sesquioxide electric smelting was used, including clean water basin 3 and circulating water basin 4, the output in clean water basin 3 and circulating water basin 4 all links to each other with the input of electric arc furnace 5 cooling pipe, is connected with softening section of thick bamboo 2 at the input in clean water basin 3, softens section of thick bamboo 2 and is connected with water source 1.
Particularly, the spray pipes are arranged in the area of the circulating water tank 4, and water can be sprayed in the circulating water tank 4 through the spray pipes, so that the effect of quickly reducing the water temperature is achieved.
The cooling pipeline output of electric arc furnace 5 is connected with sedimentation tank 6, and the output of sedimentation tank 6 links to each other with circulating water pond 4's input, and wherein, in the high temperature water that electric arc furnace 5 positions were derived entered into sedimentation tank 6 through the trench, the rivers expert of other pipelines adopted the water pump to provide power.
In the cooling system for the chromium oxide electric melting, a water source 1 is water in a tap water pipe or a water well, the water firstly enters a softening cylinder 2, sodium chloride for softening the water is filled in the softening cylinder 2, calcium and magnesium ions in the water are replaced by an ion exchange method, and the condition of scale generation caused by the rise of temperature is avoided due to the high solubility of sodium salt; the softened water enters the clean water tank 3 to be stored, when the electric arc furnace 5 works, the water in the clean water tank 3 can be led into a cooling pipeline of the electric arc furnace 5 to take away the high temperature generated by the furnace body and the furnace shell of the electric arc furnace 5, meanwhile, the water in the circulating water tank 4 also enters the area of the electric arc furnace 5 after being filtered, the cooling effect is further realized, the water temperature rises and then enters the sedimentation tank 6 from a trench, and the sedimentation tank 6 can precipitate impurities in the water and then enter the circulating water tank 4 to complete the whole cooling process.
Claims (2)
1. A cooling system for electric smelting of chromium sesquioxide is characterized in that: including clean water basin and circulating water basin, the output in clean water basin and circulating water basin all links to each other with electric arc furnace cooling pipeline's input, is connected with the section of thick bamboo that softens at the input in clean water basin, softens a section of thick bamboo and is connected with the water source.
2. A cooling system for use in electro-chromic oxide melting according to claim 1, wherein: the output end of the cooling pipeline of the electric arc furnace is connected with a sedimentation tank, and the output end of the sedimentation tank is connected with the input end of the circulating water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122828928.7U CN216869199U (en) | 2021-11-18 | 2021-11-18 | Cooling system for chromium sesquioxide electric melting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122828928.7U CN216869199U (en) | 2021-11-18 | 2021-11-18 | Cooling system for chromium sesquioxide electric melting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216869199U true CN216869199U (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202122828928.7U Active CN216869199U (en) | 2021-11-18 | 2021-11-18 | Cooling system for chromium sesquioxide electric melting |
Country Status (1)
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| CN (1) | CN216869199U (en) |
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2021
- 2021-11-18 CN CN202122828928.7U patent/CN216869199U/en active Active
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