CN210796508U - Blast furnace slag flushing water independent water taking waste heat recovery system - Google Patents
Blast furnace slag flushing water independent water taking waste heat recovery system Download PDFInfo
- Publication number
- CN210796508U CN210796508U CN201921242111.8U CN201921242111U CN210796508U CN 210796508 U CN210796508 U CN 210796508U CN 201921242111 U CN201921242111 U CN 201921242111U CN 210796508 U CN210796508 U CN 210796508U
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- water
- slag
- slag flushing
- flushing water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 401
- 239000002893 slag Substances 0.000 title claims abstract description 256
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 167
- 239000002918 waste heat Substances 0.000 title claims abstract description 22
- 238000011084 recovery Methods 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000003507 refrigerant Substances 0.000 claims description 14
- 238000005406 washing Methods 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 abstract description 11
- 238000005086 pumping Methods 0.000 abstract description 5
- 239000000284 extract Substances 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 20
- 238000005469 granulation Methods 0.000 description 13
- 230000003179 granulation Effects 0.000 description 13
- 239000013049 sediment Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 239000002245 particle Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a blast furnace slag flushing water independent water taking waste heat recovery system, which relates to the field of waste heat recovery and utilization of blast furnace slag flushing water in the metallurgical industry, and comprises a water taking pipeline, a water storage tank, a water taking water pump, a heat exchange unit, a slag flushing water outlet pipeline and a slag flushing water pump, wherein the water inlet of the water taking pipeline is communicated with the position close to the liquid level in the water storage tank, and the heat exchange unit can independently extract high-temperature slag flushing water with low solid content and good water quality on the upper part of the water storage tank, so that the heat exchange unit is not easy to block, has low failure rate and is easy to; when the blast furnace is used for flushing slag, the slag flushing water pump operates, and high-temperature slag flushing water extracted by the water taking and water pumping pump can be merged with cold water in a slag flushing water outlet pipeline after heat exchange and is pumped by the slag flushing water pump for flushing slag; when the blast furnace does not flush slag, the water taken from the slag flushing water pump enters the bottom of the water storage tank after heat exchange, so that the heat exchange unit can continuously exchange heat.
Description
Technical Field
The utility model relates to a metallurgical industry blast furnace slag flushing water waste heat recovery utilizes the field, especially relates to a blast furnace slag flushing water independent water intaking waste heat recovery system.
Background
In order to ensure the recycling effect of the slag flushing water, the slag flushing water needs to be cooled in a natural cooling or cooling tower mode and then continues to recycle slag, and in recent years, the heat lost in the slag flushing water cooling process is recycled in an indirect heat exchange mode and is implemented in most steel plants.
The process flow for recovering the slag water waste heat of the slag flushing system with a slag water cooling tower at present is a direct heat taking process system, particularly, an upper tower pump (hot water pump) of a blast furnace slag flushing system is used as slag water circulating power, a stop valve is arranged on an upper tower pump pipeline, slag water enters a heat exchange unit through a bypass, the slag water directly enters a cold water tank after heat exchange, and the heat exchange unit is connected with the slag water cooling tower in parallel; however, in actual application, the slag water tank contains more foreign matters such as suspended matters, plastic bottles, textiles and stones besides water slag, and the foreign matters easily cause blockage of the slag water heat exchange unit, so that the slag water heat exchanger cannot stably operate for a long time, thereby not only affecting the operation of a blast furnace slag flushing system, but also affecting the utilization of waste heat of slag flushing water.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide a blast furnace slag washing water independent water intaking waste heat recovery system, this waste heat recovery system not only makes the heat transfer unit difficult jam, the fault rate is low, easy to maintain, can make the heat transfer unit heat transfer in succession moreover.
The utility model discloses a realize through following technical scheme: a blast furnace slag flushing water independent water taking waste heat recovery system comprises a blast furnace, a granulation tower and a water storage tank, wherein high-temperature slag generated by the blast furnace enters the granulation tower to be cooled by circulating slag flushing water, the high-temperature slag flushing water enters the water storage tank, the blast furnace slag flushing water independent water taking waste heat recovery system also comprises a water taking pipeline and a water storage tank, the water intake pump, the heat transfer unit, towards sediment water outlet pipe way and towards sediment water pump, be equipped with towards sediment water inlet and towards sediment water delivery port on the heat transfer unit, the water inlet and the tank of water intake pipeline are close to liquid level department and are communicate, the delivery port and the tank of water intake pipeline are connected, the tank is connected with towards sediment water inlet through first pipeline, the water intake pump is established on first pipeline, towards the lower part intercommunication of the lower part of water inlet and tank of sediment water outlet pipe way, towards the delivery port of sediment water outlet pipe way and be connected with the granulation tower, towards the sediment water pump and establish on towards sediment water outlet pipe way, the towards sediment water delivery port of heat transfer unit is connected with towards sediment water outlet pipe way through the second pipeline.
According to the technical scheme, preferably, a slag water return point is formed at the joint of the second pipeline and the slag flushing water outlet pipeline, and the slag water return point is positioned on the front side of the slag flushing water pump along the flowing direction of the slag flushing water.
According to the above technical scheme, preferably, a switching valve is arranged on the second pipeline.
According to the technical scheme, preferably, the heat exchange unit is further provided with a heat taking medium inlet and a heat taking medium outlet, the refrigerant enters the heat exchange unit through the heat taking medium inlet and exchanges heat with the slag flushing water, and the heated refrigerant flows out of the heat taking medium outlet.
According to the technical scheme, the water storage tank is preferably a siphon tank.
The utility model has the advantages that: the water inlet of the water intake pipeline of the utility model is communicated with the water storage tank close to the liquid level, and solid content in the slag water at the upper part of the water storage tank is low and water quality is good along with precipitation of solid particles and the like, so that the heat exchange unit extracts high-temperature slag flushing water at the upper part of the water storage tank, and the heat exchange unit is not easy to block, has low failure rate and is easy to maintain; when the blast furnace is used for flushing slag, the slag flushing water pump operates, and high-temperature slag flushing water extracted by the water taking and water pumping pump can be merged with cold water of a slag flushing water outlet pipeline after heat exchange and is pumped by the slag flushing water pump for flushing slag; when the blast furnace does not flush slag, the water taken from the slag flushing water pump enters the bottom of the water storage tank after heat exchange, so that the heat exchange unit can continuously exchange heat.
Drawings
Fig. 1 shows a schematic structural diagram of embodiment 1 according to the present invention.
Fig. 2 shows a schematic structural diagram of embodiment 2 according to the present invention.
Fig. 3 shows a schematic diagram of a prior art structure.
In the figure: 1. a slag flushing water pump of the upper cooling tower; 2. a slag flushing pipeline of the upper cooling tower; 3. a cold tower shut-off valve; 4. a slag flushing water bypass; 5. a heat exchange unit; 6. a cold water tank; 7. a cooling tower; 8. a water circulating pump; 9. a granulation tower; 10. a waste heat switching valve; 11. a blast furnace; 12. a slag pool; 13. a water intake pipeline; 14. a water storage tank; 15. a water intake pump; 16. a slag flushing water outlet pipeline; 17. a slag flushing water pump; 18. a first conduit; 19. a second conduit; 20. slag water backwater point; 21. a hot water pump; 22. a water supply pipeline; 23. switching valves; 24. a drum filter; 25. a granulated slag conveyor belt; A. flushing slag water; B. and (4) a refrigerant.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
Example 1
As shown in fig. 3, the existing process flow for recovering the residual heat of the slag water in the slag flushing system with the slag water cooling tower is a direct heat taking process system, specifically, an upper cooling tower slag flushing water pump 1 of the blast furnace slag flushing system is used as circulating power of slag flushing water a, an upper cooling tower cut-off valve 3 is installed on an upper cooling tower slag flushing pipeline 2, the slag flushing water a enters a heat exchange unit 5 through a slag flushing water bypass 4, the slag flushing water a cooled by heat exchange directly enters a cold water tank 6, the heat exchange unit 5 is connected with a cooling tower 7 in parallel, and the slag flushing water a entering the cold water tank 6 is pumped into a granulation tower 9 through a circulating water pump 8; and a waste heat switching valve 10 is arranged on the slag flushing water bypass 4, and the heat exchange process is controlled through the waste heat switching valve 10 and the cold tower stop valve 3. However, in actual application, the slag pool 12 contains more foreign matters such as suspended matters, plastic bottles, textiles and stones besides water slag, and the foreign matters easily cause the heat exchange unit 5 to be blocked, so that the heat exchange unit 5 cannot stably operate for a long time, thereby not only affecting the operation of the blast furnace slag flushing system, but also affecting the utilization of the waste heat of the slag flushing water a.
As shown in fig. 1, the utility model provides a blast furnace slag flushing water independent water intake waste heat recovery system, which comprises a blast furnace 11, a granulation tower 9 and a water storage tank, wherein the water storage tank in the embodiment is a cold water tank 6 positioned at the lower part of a cooling tower 7, the granulation tower 9 is connected with a slag water tank 12, the cooling tower 7 is connected with the slag water tank 12, high-temperature slag generated by the blast furnace 11 enters the granulation tower 9 and is cooled by circulating slag flushing water a, the high-temperature slag flushing water a enters the slag water tank 12, the cold water tank 6 is positioned below the cooling tower 7, the slag flushing water a enters the cold water tank 6 through the cooling tower 7, the system further comprises a water intake pipeline 13, a water storage tank 14, a water intake water pump 15, at least one group of heat exchange units 5, a slag flushing water outlet pipeline 16 and a slag flushing water pump 17, the heat exchange units 5 comprise a slag water runner and a coolant runner for exchanging heat with the slag water runner, in order to reduce the probability of, the slag water flow passage is preferably a vertical straight passage, namely the slag flushing water A flows along the flowing direction of the slag water flow passage along the vertical direction, the slag water flow passage has no folding stroke, the heat exchange unit 5 is provided with a slag water inlet and a slag water outlet which are connected with the inlet and the outlet of the slag water flow passage, the water inlet of the water taking pipe 13 is communicated with the position of the cold water tank 6 close to the liquid level, therefore, the water taking pipeline can extract the slag flushing water with low impurity content in the cold water tank, the water outlet of the water taking pipeline 13 is connected with the water storage tank 14, the water storage tank 14 is connected with the slag flushing water inlet through the first pipeline 18, the water taking water pump 15 is arranged on the first pipeline 18, the water inlet of the slag flushing water outlet pipeline 16 is communicated with the lower part of the cold water tank 6, the water outlet of the slag flushing water outlet pipeline 16 is connected with the granulation tower 9, the slag flushing water pump 17 is arranged on the slag flushing water outlet pipeline 16, and the slag flushing water outlet of the heat exchange unit 5 is connected with the slag flushing water outlet pipeline 16 through the second pipeline 19.
According to the above embodiment, preferably, the slag water backwater point 20 is formed at the joint of the second pipeline 19 and the slag flushing water outlet pipeline 16, and the slag water backwater point 20 is located at the front side of the slag flushing water pump 17 along the flowing direction of the slag flushing water a, when the slag flushing water pump 17 operates, because the slag water backwater point 20 is located at the front side of the slag flushing water pump 17, a negative pressure is formed at the slag water backwater point 20, so that the slag flushing water outlet pipeline 16 continuously pumps the slag flushing water a in the cold water tank 6 to the slag flushing water pump 17, the slag flushing water a passing through the heat exchange unit 5 can be effectively prevented from flowing back to the cold water tank 6 through the slag flushing water outlet pipeline 16, the cooled slag flushing water a after heat exchange is prevented from being mixed with the slag flushing water a in the cold water tank 6, the water taking temperature of the water taking pipeline 13 is ensured, the heat recovery of the slag flushing water a is facilitated, and the economic.
According to the above embodiment, preferably, the slag washing water cooling system further comprises a hot water pump 21 and a water feeding pipeline 22, wherein the hot water pump 21 directly pumps the slag washing water a in the slag water pool 12 into the cooling tower 7 through the water feeding pipeline 22, so that the heat energy loss of the high-temperature slag washing water a is reduced.
The specific working process is as follows:
the slag flushing water A passing through the granulation tower 9 enters the slag pool 12, the hot water pump 21 directly pumps the high-temperature slag flushing water A in the slag pool 12 into the cooling tower 7 through the water feeding pipeline 22, solid particles in the high-temperature slag flushing water A sink to the bottom of the cold water tank 6, because the water inlet of the water intake pipe 13 is communicated with the position of the cold water tank 6 close to the liquid level, solid particles and the like in the slag flushing water in the cold water tank precipitate, so that the water taking pipe 13 can continuously pump the high-temperature slag flushing water A with low solid content and good water quality at the upper part of the cold water tank 6 into the water storage tank 14, the water taking water pump 15 pumps the slag flushing water A in the water storage tank 14 to the heat exchange unit 5 to exchange heat with the refrigerant B, when the blast furnace 11 flushes slag, the slag flushing water pump 17 operates, and the slag flushing water A which is subjected to heat exchange by the heat exchange unit 5 is merged with cold water in the slag flushing water outlet pipeline 16 to be supplied to the slag flushing water pump 17 for flushing slag, so that the slag flushing water A circularly moves; when the blast furnace 11 does not flush slag, the flushing slag water A extracted by the water taking and water pumping pump 15 enters the bottom of the cold water tank 6 through the second pipeline 19 and the flushing slag water outlet pipeline 16 after heat exchange, so that the heat exchange unit 5 can continuously exchange heat.
According to the above embodiment, the second pipe 19 is preferably provided with the switching valve 23, and the switching valve 23 and the water intake pump 15 are opened and closed to enable the heat exchange.
According to the above embodiment, preferably, the heat exchange unit 5 is further provided with a heat taking medium inlet and a heat taking medium outlet, the refrigerant B enters the heat exchange unit 5 through the heat taking medium inlet and exchanges heat with the slag flushing water a, the heated refrigerant B flows out from the heat taking medium outlet, and the flowing direction of the refrigerant B is approximately opposite to the direction of the slag flushing water a, so that the heat exchange efficiency of the heat exchange unit 5 can be further enhanced.
According to the above embodiment, the water storage tank 14 is preferably a siphon tank, so that the high-temperature slag flushing water a at the upper part of the cold water tank 6 can be automatically pumped into the siphon tank, and energy is saved.
Example 2
As shown in fig. 2, the utility model provides a blast furnace slag flushing water independent water intake waste heat recovery system, which comprises a blast furnace 11, a granulation tower 9 and a water storage tank, wherein the water storage tank in the embodiment is a slag water tank 12, slag flushing water A flowing out from the granulation tower falls into the slag water tank 12 through a rotary drum filter 24, a slag conveyor belt 25 used for removing impurities in the rotary drum filter is arranged in the rotary drum filter 24, the rotary drum filter and the slag conveyor belt are the prior art and are not the innovation point of the patent, the system further comprises a water intake pipeline 13, a water storage tank 14, a water intake pump 15, at least one group of heat exchange units 5, a slag flushing water outlet pipeline 16 and a slag flushing water pump 17, the heat exchange units 5 comprise a slag water channel and a refrigerant channel for exchanging heat with the slag water channel, in order to reduce the probability that the slag flushing water A is blocked in the slag water channel, the slag water channel is preferably a vertical straight, namely, the slag flushing water A flows along the vertical direction in the flowing direction of the slag water flow passage approximately, no folding process exists in the slag water flow passage, the heat exchange unit 5 is provided with a slag flushing water inlet and a slag flushing water outlet which are connected with the inlet and the outlet of the slag water flow passage, the water inlet of the water taking pipeline 13 is communicated with the slag water pool close to the liquid level, therefore, the water taking pipeline can pump slag flushing water with low impurity content in the slag water pool, the water outlet of the water taking pipeline 13 is connected with the water storage tank 14, the water storage tank 14 is connected with a slag flushing water inlet through the first pipeline 18, the water taking water pump 15 is arranged on the first pipeline 18, the water inlet of the slag flushing water outlet pipeline 16 is communicated with the lower part of the slag water pool 6, the water outlet of the slag water pool water outlet pipe 16 is connected with the granulation tower 9, the slag flushing water pump 17 is arranged on the slag water outlet pipeline 16, and the slag flushing water outlet of the heat exchange unit 5 is connected with the slag flushing water outlet pipeline 16 through the second pipeline 19.
According to the above embodiment, preferably, the slag water backwater point 20 is formed at the connection position of the second pipeline 19 and the slag flushing water outlet pipeline 16, and the slag water backwater point 20 is located at the front side of the slag flushing water pump 17 along the flowing direction of the slag flushing water a, when the slag flushing water pump 17 operates, because the slag water backwater point 20 is located at the front side of the slag flushing water pump 17, a negative pressure is formed at the slag water backwater point 20, so that the slag flushing water outlet pipe 16 continuously pumps the slag flushing water a in the slag water tank 6 to the slag flushing water pump 17, the slag flushing water a passing through the heat exchange unit 5 can be effectively prevented from flowing back to the slag water tank 6 through the slag flushing water outlet pipe 16, the cooled slag flushing water a after heat exchange is prevented from being mixed with the slag flushing water a in the slag water tank 6, the water taking temperature of the water taking pipeline 13 is ensured, the heat recovery of the slag flushing water a is facilitated, and.
The specific working process is as follows:
the slag flushing water A passing through the granulating tower 9 enters the slag pool 12, solid particles in the high-temperature slag flushing water A penetrating through the rotary drum filter 24 sink to the bottom of the slag pool 6, and the water inlet of the water taking pipe 13 is communicated with the slag pool 12 close to the liquid level, so that the solid particles and the like in the slag flushing water A along with the slag pool are precipitated, so that the water taking pipe 13 can continuously pump the high-temperature slag flushing water A with low solid content and good water quality at the upper part of the slag pool 12 to the water storage tank 14, the water taking water pump 15 pumps the slag flushing water A in the water storage tank 14 to the heat exchange unit 5 for heat exchange with a refrigerant B, when the blast furnace 11 flushes slag, the slag flushing water pump 17 operates, and the slag flushing water A subjected to heat exchange by the heat exchange unit 5 is merged with cold water in the slag pool 16 for flushing by the slag flushing water pump 17, so; when the blast furnace 11 does not flush slag, the flushing slag water A extracted by the water taking and water pumping pump 15 enters the bottom of the slag water pool 6 through the second pipeline 19 and the flushing slag water outlet pipeline 16 after heat exchange, so that the heat exchange unit 5 can continuously exchange heat.
According to the above embodiment, the second pipe 19 is preferably provided with the switching valve 23, and the switching valve 23 and the water intake pump 15 are opened and closed to enable the heat exchange.
According to the above embodiment, preferably, the heat exchange unit 5 is further provided with a heat taking medium inlet and a heat taking medium outlet, the refrigerant B enters the heat exchange unit 5 through the heat taking medium inlet and exchanges heat with the slag flushing water a, the heated refrigerant B flows out from the heat taking medium outlet, and the flowing direction of the refrigerant B is approximately opposite to the direction of the slag flushing water a, so that the heat exchange efficiency of the heat exchange unit 5 can be further enhanced.
According to the above embodiment, the water storage tank 14 is preferably a siphon tank, so that the high-temperature slag flushing water a at the upper part of the slag water tank 12 can be automatically pumped into the siphon tank, and energy is saved.
The utility model has the advantages that: the water inlet of the water intake pipeline 13 of the utility model is communicated with the water storage tank close to the liquid level, and solid content in the slag water at the upper part of the water storage tank is low and water quality is good along with precipitation of solid particles and the like, so that the heat exchange unit 5 extracts high-temperature slag flushing water A at the upper part of the water storage tank, and the heat exchange unit 5 is difficult to block, low in failure rate and easy to maintain; when the blast furnace 11 flushes slag, the slag flushing water pump 17 operates, and the high-temperature slag flushing water A extracted by the water taking water pump 15 can be merged with the cold water in the slag flushing water outlet pipeline 16 after heat exchange for the slag flushing water pump 17 to flush slag; when the blast furnace 11 does not flush slag, the flushing slag water A extracted by the water taking and water pumping pump 15 enters the bottom of the water storage tank after heat exchange, so that the heat exchange unit 5 can continuously exchange heat.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A blast furnace slag flushing water independent water taking waste heat recovery system comprises a blast furnace, a granulating tower and a water storage tank, wherein high-temperature slag generated by the blast furnace enters the granulating tower to be cooled by circulating slag flushing water, and high-temperature slag flushing water enters the water storage tank, and the system is characterized by further comprising a water taking pipeline, a water storage tank, a water taking water pump, a heat exchange unit, a slag flushing water outlet pipeline and a slag flushing water pump, wherein the heat exchange unit is provided with a slag flushing water inlet and a slag flushing water outlet, the water inlet of the water taking pipeline is communicated with the water storage tank close to the liquid level, the water outlet of the water taking pipeline is connected with the water storage tank, the water storage tank is connected with the slag flushing water inlet through a first pipeline, the water taking water pump is arranged on the first pipeline, the water inlet of the slag flushing water outlet pipeline is communicated with the lower part of the water storage tank, the water outlet of the slag flushing water pipeline is connected with the granulating, and a slag flushing water outlet of the heat exchange unit is connected with a slag flushing water outlet pipeline through a second pipeline.
2. The blast furnace slag flushing water independent water taking waste heat recovery system according to claim 1, wherein a slag water returning point is formed at the joint of the second pipeline and the slag flushing water outlet pipeline, and the slag water returning point is positioned on the front side of the slag flushing water pump along the flow direction of the slag flushing water.
3. The blast furnace slag washing water independent water taking waste heat recovery system according to claim 2, wherein a switching valve is arranged on the second pipeline.
4. The system of claim 3, wherein the heat exchange unit is further provided with a heat-taking medium inlet and a heat-taking medium outlet, wherein a refrigerant enters the heat exchange unit through the heat-taking medium inlet and exchanges heat with the slag flushing water, and the heated refrigerant flows out of the heat-taking medium outlet.
5. The system for recycling waste heat from independent water intake of blast furnace slag flushing water as claimed in claim 4, wherein the water storage tank is a siphon tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921242111.8U CN210796508U (en) | 2019-08-02 | 2019-08-02 | Blast furnace slag flushing water independent water taking waste heat recovery system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921242111.8U CN210796508U (en) | 2019-08-02 | 2019-08-02 | Blast furnace slag flushing water independent water taking waste heat recovery system |
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| CN210796508U true CN210796508U (en) | 2020-06-19 |
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| CN201921242111.8U Withdrawn - After Issue CN210796508U (en) | 2019-08-02 | 2019-08-02 | Blast furnace slag flushing water independent water taking waste heat recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468242A (en) * | 2019-08-02 | 2019-11-19 | 天津华赛尔传热设备有限公司 | A kind of blast furnace slag quenching water is independently fetched water residual neat recovering system |
-
2019
- 2019-08-02 CN CN201921242111.8U patent/CN210796508U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468242A (en) * | 2019-08-02 | 2019-11-19 | 天津华赛尔传热设备有限公司 | A kind of blast furnace slag quenching water is independently fetched water residual neat recovering system |
| CN110468242B (en) * | 2019-08-02 | 2024-03-29 | 天津华赛尔传热设备有限公司 | Independent water taking waste heat recovery system for slag flushing water of blast furnace |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200619 Effective date of abandoning: 20240329 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200619 Effective date of abandoning: 20240329 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |