CN208294581U - A kind of heat reclaim unit for continuous casting steel billet - Google Patents
A kind of heat reclaim unit for continuous casting steel billet Download PDFInfo
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- CN208294581U CN208294581U CN201820606287.6U CN201820606287U CN208294581U CN 208294581 U CN208294581 U CN 208294581U CN 201820606287 U CN201820606287 U CN 201820606287U CN 208294581 U CN208294581 U CN 208294581U
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- steel billet
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Abstract
The utility model discloses a kind of heat reclaim units for continuous casting steel billet, including heat dump, conveying roller, cold bed, heat exchanger, blower, condenser, steam turbine, generator；The steam (vapor) outlet of the heat absorption pipeline is connected by pipeline with the air inlet of steam turbine, the material outlet of the heat dump is connected by conveying roller with the material inlet of cold bed, the air intake of the cold bed is connected by being equipped with the pipeline of blower with the air outlet slit of heat exchanger, the air outlet slit of cold bed is connected with the air intake of heat exchanger, the steam (vapor) outlet of the heat exchanger is connected by pipeline with the air inlet of steam turbine, the exhaust outlet of the steam turbine is connected by pipeline with the entrance of condenser, the outlet of the condenser by be equipped with water pump pipeline respectively with the water inlet of heat exchanger, the water inlet of heat dump interior suction pipe line is connected, the output shaft of the steam turbine is connected with generator.
Description
Technical field
The utility model belongs to technical field of smelting, more particularly to a kind of heat reclaim unit for continuous casting steel billet.
Background technique
In current continuous casting, after steel billet is pulled out from the crystallizer of conticaster, by radiating to surrounding, by
It gradually cools down, incision when reaching certain length, into cold bed, convection current or others side is reinforced by spray cooling, ventilation
Method further cools down, and forms finished product steel billet, waits and enters next process.In the process, the temperature of molten steel is gradually decrease to
For the fusing point of steel billet hereinafter, still the temperature of steel billet itself is still up to 1000 DEG C or so, entrained heat is still very huge.
Currently, hot steel bloom hot sending field is concentrated mainly on to the utilization of heat entrained by steel billet, by the way that temperature is higher
Steel billet be sent directly into heating furnace, to reduce the loss of heat.But due to factors such as procedure connection or restrictions of production, cause
The ratio of hot steel bloom hot sending is relatively low, has a large amount of steel billet placement gradually to cool down in air, still so as to cause heat
Loss, had both caused the waste of energy, and had also caused thermal pollution to ambient enviroment, and be easy to cause staff's heatstroke and others
Injury, while the equipment of surrounding is run in high temperature, shorten the service life etc. of equipment.
Summary of the invention
In order to overcome the deficiencies of the prior art, the utility model provides a kind of heat reclaim unit for continuous casting steel billet, makes
The heat for obtaining steel billet is used to generate electricity, not only environmentally friendly, but also has saved the energy.
The purpose of this utility model is achieved through the following technical solutions:
A kind of heat reclaim unit for continuous casting steel billet, including it is heat dump, conveying roller, cold bed, heat exchanger, blower, cold
Condenser, steam turbine, generator；The heat dump both ends are respectively equipped with material inlet and material outlet, are equipped with and supply inside heat dump
The logical heat absorption pipeline of water flow, described heat absorption pipeline one end are equipped with water inlet, and the other end is equipped with steam (vapor) outlet, the heat absorption pipeline
Steam (vapor) outlet is connected by pipeline with the air inlet of steam turbine, and the material outlet of the heat dump passes through the object of conveying roller and cold bed
Expect that entrance is connected, the air intake of the cold bed is connected by being equipped with the pipeline of blower with the air outlet slit of heat exchanger, cold bed
Air outlet slit is connected with the air intake of heat exchanger, and the steam (vapor) outlet of the heat exchanger passes through the air inlet phase of pipeline and steam turbine
Even, the exhaust outlet of the steam turbine is connected by pipeline with the entrance of condenser, and the outlet of the condenser is by being equipped with water pump
Pipeline be connected respectively with the water inlet of the water inlet of heat exchanger, heat dump interior suction pipe line, the output shaft of the steam turbine with
Generator is connected.
Further, the heat dump is set to steel billet periphery, for absorbing the heat of the steel billet pulled out from crystallizer.
Further, the conveying roller between the material outlet of the heat dump and the material inlet of cold bed is cut equipped with flame
Cutting mill it is cooling to enter cold bed for cutting off steel billet, to guarantee optimal heat recovery.
Further, no less than two heat absorption pipelines are equipped in the heat dump, to improve heat absorption efficiency.
Further, uniform gas board is equipped at the air intake of the cold bed.
The utility model has the beneficial effects that being disposed with heat dump around steel billet, aqueous heat absorption is equipped with inside heat dump
Pipeline, heat dump gradually cool down steel billet after the heat absorption in steel billet, become variety steel, and heat dump inhales the heat of steel billet
The water in heat dump is heated and become high temperature and high pressure steam after receipts, is sent steam to steam turbine and pushing turbine by pipeline
Rotation acting, send after driving electrical power generators to power grid；The steel billet come out from heat dump is after flame cutting machine is cut off through transmitting
Roller is delivered to cold bed cooling, and cold air absorbs heat when passing through steel billet, enters heat exchanger by pipeline, exchange heat through heat exchanger
After be again introduced into cold bed, complete one circulation, while inside heat exchanger water heat absorption after become steam, into steam turbine, steamer
Electrical power generators are pushed after machine acting, can be entered power grid after electrical power generators, be become weary steaming after steam enters steam turbine acting
Vapour is discharged out of steam turbine, condenses into water into condenser, and water enters heat exchanger and heat dump through water pump again, to complete entire
Circulating generation process.
The utility model structure is simple, and the heat recovery and utilization of steel billet is used to generate electricity, and can reduce business electrical cost, keep away
Energy waste is exempted from, has reduced environmental pollution, has achieved the purpose that subtracting for national promotion can emission reduction.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
In figure: 1- heat dump；2- conveying roller；3- cold bed；4- heat exchanger；5- blower；6- steam turbine；7- generator；8- is cold
Condenser；9- water pump, the heat absorption pipeline in 10- heat dump, 11- flame cutting machine, 12- crystallizer, 13- steel billet, 14- uniform gas board.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, a kind of heat reclaim unit for continuous casting steel billet, including heat dump 1, conveying roller 2, cold bed 3, change
Hot device 4, blower 5, condenser 8, steam turbine 6, generator 7；1 both ends of heat dump are respectively equipped with material inlet and material goes out
Mouthful, the heat dump is set to steel billet periphery, for absorbing the heat of the steel billet pulled out from crystallizer, is equipped with inside heat dump
The heat absorption pipeline 10 of no less than two water supply circulations, described 10 one end of heat absorption pipeline are equipped with water inlet, and the other end is equipped with steam
The steam (vapor) outlet of outlet, the heat absorption pipeline is connected by pipeline with the air inlet of steam turbine 6, and the material of the heat dump 1 goes out
Mouthful be connected with the material inlet of cold bed 3 by conveying roller 2, the air intake of the cold bed 3 by pipeline equipped with blower 5 with change
The air outlet slit of hot device 4 is connected, and the air outlet slit of cold bed 3 is connected with the air intake of heat exchanger 4, the heat exchanger interior media
Steam (vapor) outlet for water, the heat exchanger 4 is connected by pipeline with the air inlet of steam turbine 6, and the exhaust outlet of the steam turbine 6 is logical
Pipeline is crossed to be connected with the entrance of condenser 8, the outlet of the condenser 8 by be equipped with the pipeline of water pump respectively with heat exchanger 4
Water inlet, the water inlet of 1 interior suction pipe line 10 of heat dump are connected, and the output shaft of the steam turbine 6 is connected with generator 7.
Further, the conveying roller between the material outlet of the heat dump and the material inlet of cold bed is cut equipped with flame
Cutting mill 11 it is cooling to enter cold bed for cutting off steel billet, to guarantee optimal heat recovery.
Further, it is equipped with uniform gas board 14 at the air intake of the cold bed, guarantees cold air even into cold bed.
When work, when steel billet 13 is pulled out from crystallizer 12 by conveying roller 2, it is high temperature billet steel, is arranged around steel billet 13
There is heat dump 1, the heat absorption pipeline 10 of water-filling, the steel billet after heat dump 1 is by the heat absorption in steel billet 13 are equipped with inside heat dump
It gradually cools down, becomes variety steel, and heat dump 1 will heat the water in heat dump 1 after the heat absorption of steel billet 13 and it is high to become
Steam is sent to steam turbine 6 and pushing turbine rotation acting by pipeline, drives electrical power generators by warm high steam；
When steel billet 13 is cut off, further cooling is done into cold bed 3, blower 5 operates, and forced air carries out convection current, cold sky
Gas by uniform gas board 14 uniformly across cold bed 3, it is cooling to steel billet 13, when cold air is by absorbing heat when steel billet 13,
Heat exchanger 4 is entered by pipeline as hot-air, the heat in hot-air is absorbed by the aqueous medium inside heat exchanger 4 to be become again
After cold air enters cold bed by blower 5, completes a circulation, while the aqueous medium inside heat exchanger absorbs heat, it is heated into
For steam, into steam turbine 6, pushing turbine 6 does work, and pushing generator 7 after steam turbine 6 does work, generator 7 enters after generating electricity
Power grid is discharged out of steam turbine as weary steam after steam turbine 6 does work when steam enters, into condenser 8, condenses into water, water
It is respectively fed in heat exchanger and heat dump through water pump, to ensure that whole process water will not interrupt, circulation heat absorption is heated water again
At steam, to complete entire circulation.
The present apparatus realizes effective recycling of steel billet heat, can reduce business electrical cost, avoids energy waste, reduces
Environmental pollution, can wide popularization and application.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of heat reclaim unit for continuous casting steel billet, which is characterized in that including heat dump, conveying roller, cold bed, heat exchange
Device, blower, condenser, steam turbine, generator；The heat dump both ends are respectively equipped with material inlet and material outlet, heat dump
Inside is equipped with the heat absorption pipeline for circulation of supplying water, and described heat absorption pipeline one end is equipped with water inlet, and the other end is equipped with steam (vapor) outlet, described
The steam (vapor) outlet of heat dump pipeline is connected by pipeline with the air inlet of steam turbine, and the material outlet of the heat dump passes through conveying
Roller is connected with the material inlet of cold bed, and the air intake of the cold bed is by being equipped with the pipeline of blower and the air outlet slit of heat exchanger
It is connected, the air outlet slit of cold bed is connected with the air intake of heat exchanger, and the steam (vapor) outlet of the heat exchanger passes through pipeline and steamer
The air inlet of machine is connected, and the exhaust outlet of the steam turbine is connected by pipeline with the entrance of condenser, the outlet of the condenser
Pipeline by being equipped with water pump is connected with the water inlet of the water inlet of heat exchanger, heat dump interior suction pipe line respectively, the steamer
The output shaft of machine is connected with generator.
2. a kind of heat reclaim unit for continuous casting steel billet according to claim 1, which is characterized in that the heat dump
It is set to around steel billet, for absorbing the heat of the steel billet pulled out from crystallizer.
3. a kind of heat reclaim unit for continuous casting steel billet according to claim 1, which is characterized in that the heat dump
Material outlet and cold bed material inlet between conveying roller be equipped with flame cutting machine, for by steel billet cut off with enter it is cold
Bed is cooling.
4. a kind of heat reclaim unit for continuous casting steel billet according to claim 1, which is characterized in that the heat dump
The interior heat absorption pipeline for being equipped with no less than two.
5. a kind of heat reclaim unit for continuous casting steel billet according to claim 1, which is characterized in that the cold bed
Uniform gas board is equipped at air intake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820606287.6U CN208294581U (en) | 2018-04-25 | 2018-04-25 | A kind of heat reclaim unit for continuous casting steel billet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820606287.6U CN208294581U (en) | 2018-04-25 | 2018-04-25 | A kind of heat reclaim unit for continuous casting steel billet |
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| Publication Number | Publication Date |
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| CN208294581U true CN208294581U (en) | 2018-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820606287.6U Active CN208294581U (en) | 2018-04-25 | 2018-04-25 | A kind of heat reclaim unit for continuous casting steel billet |
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| CN (1) | CN208294581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442988A (en) * | 2018-04-25 | 2018-08-24 | 山西建龙实业有限公司 | A kind of heat reclaim unit and its method for continuous casting steel billet |
-
2018
- 2018-04-25 CN CN201820606287.6U patent/CN208294581U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442988A (en) * | 2018-04-25 | 2018-08-24 | 山西建龙实业有限公司 | A kind of heat reclaim unit and its method for continuous casting steel billet |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190606 Address after: 153000 Xinxing Street, Xilin District, Yichun City, Heilongjiang Province Patentee after: Jianlong Xilin Iron and Steel Co., Ltd. Address before: Dongzhen, Wenxi County, Yuncheng City, Shanxi Province Patentee before: Shanxi Jianlong Industry Co., Ltd. |