CN203728863U - Closed circulation cooling system for blast furnace - Google Patents
Closed circulation cooling system for blast furnace Download PDFInfo
- Publication number
- CN203728863U CN203728863U CN201420079340.3U CN201420079340U CN203728863U CN 203728863 U CN203728863 U CN 203728863U CN 201420079340 U CN201420079340 U CN 201420079340U CN 203728863 U CN203728863 U CN 203728863U
- Authority
- CN
- China
- Prior art keywords
- endless tube
- cooling system
- circulation cooling
- closed circulation
- blast furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000007872 degassing Methods 0.000 claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 238000007664 blowing Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000009183 running Effects 0.000 description 2
- 239000008234 soft water Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to a closed circulation cooling system for a blast furnace. The closed circulation cooling system comprises an air cooler I, air coolers II, a filter I, a filter II, a degassing tank I, a degassing tank II, an annular drain pipe I, an annular drain pipe II, an annular water supply pipe I, an annular water supply pipe II, a circulating water pump I and a circulating water pump II, wherein the degassing tank I, the air cooler I, the filter I, the circulating water pump I, the annular water supply pipe I, the annular drain pipe I and the degassing tank I are connected; the circulating water pump I is further connected with the annular water supply pipe II; and the annular water supply pipe II, the circulating water pump II, the air coolers II, the filter II, the degassing tank II, the annular water drain pipe II and the annular water supply pipe II are connected. The closed circulation cooling system has the advantages as follows: non-blowing down online switching of the circulation cooling system is realized through voltage-sharing paralleling operation, and the cooling intensity of a cooled device is improved, so that the service life of the cooled device is prolonged, and the purposes that the production is not affected and the cooled device is not damaged are achieved in the switching process.
Description
Technical field
The utility model belongs to technical field of heat exchange, relates in particular to a kind of blast furnace closed circulation cooling system.
Background technology
The soft water of 2 cooling use of blast furnace of Anshan iron and steel plant share Bayuquan iron and steel branch office is the closed cycle type of cooling, and soft water adopts parallel way to supply with cupola well and shaft, and cupola well maximum amount of water can only reach 3500m
3/ h, causes cooling power to be restricted, and for strengthening cupola well cooling power, increasing by a closed circulation cooling system is separately that cupola well is cooling, to strengthen cupola well cooling power, and two cooling system paired runnings.Routinely, two, blast furnace independently cooling system needs blowing out to switch in the time switching, affecting blast furnace produces, and the recycle system stays cool in handoff procedure, now the water coolant in system does not flow, and the heat in cooling-part cannot be taken away, and will cause cooling-part temperature to raise, serious meeting damages cooling-part, causes heavy economic losses.
Summary of the invention
For overcoming the deficiencies in the prior art, the purpose of this utility model is to provide a kind of blast furnace closed circulation cooling system, realizes two independently cooling system switchings online in the situation that not stopping production, safe and reliable.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of blast furnace closed circulation cooling system, comprise air cooler one, air cooler two, strainer one, strainer two, degassing vessel one, degassing vessel two, draining endless tube one, draining endless tube two, feedwater endless tube one, feedwater endless tube two, water circulating pump one, water circulating pump two, degassing vessel one, air cooler one, strainer one, water circulating pump one, feedwater endless tube one, draining endless tube one, degassing vessel one is connected, water circulating pump one is also connected with feedwater endless tube two, feedwater endless tube two, water circulating pump two, air cooler two, strainer two, degassing vessel two, draining endless tube two, feedwater endless tube two is connected.
Between described degassing vessel two and draining endless tube two, be provided with valving one.
Between described recycle pump one and feedwater endless tube two, be provided with 1# valve, between recycle pump one and feedwater endless tube one, be provided with 2# valve.
Described draining endless tube two is provided with more than 3 or 3 pipeline, on each pipeline, is equipped with valve, forms valving two.
Described feedwater endless tube two is provided with more than 3 or 3 pipeline, on each pipeline, is equipped with valve, forms valving three.
Compared with prior art, the beneficial effects of the utility model are:
Realize the online switchings of two covers cooling system in parallel, improved the cooling intensity of the equipment that is cooled, thereby improved the work-ing life of the equipment that is cooled, and in handoff procedure, will reach the object that does not affect production and also do not damage the equipment of being cooled.
Brief description of the drawings
Fig. 1 is system architecture schematic diagram of the present utility model.
In figure: 1-water circulating pump two 2-degassing vessel two 3-strainer two 4-air cooler two 5-feedwater endless tube two 6-draining endless tube two 7-water circulating pump one 8-degassing vessel one 9-strainer one 10-air cooler one 11-1# valve 12-2# valve 13-valving one 14-draining endless tube one 15-feedwater endless tubes one.
Embodiment
Below in conjunction with Figure of description, the utility model is described in detail, but should be noted that enforcement of the present utility model is not limited to following embodiment.
See Fig. 1, a kind of blast furnace closed circulation cooling system, comprise air cooler 1, air cooler 24, strainer 1, strainer 23, degassing vessel 1, degassing vessel 22, draining endless tube 1, draining endless tube 26, feedwater endless tube 1, feedwater endless tube 25, water circulating pump 1, water circulating pump 21, degassing vessel 1, air cooler 1, strainer 1, water circulating pump 1, feedwater endless tube 1, draining endless tube 1, degassing vessel 1 is connected, water circulating pump 1 is also connected with feedwater endless tube 25, feedwater endless tube 25, water circulating pump 21, air cooler 24, strainer 23, degassing vessel 22, draining endless tube 26, feedwater endless tube 25 is connected.The wherein also double Constant pressure tank that does of degassing vessel 1 and degassing vessel 22.
Between degassing vessel 22 and draining endless tube 26, be provided with valving 1.
Between recycle pump one and feedwater endless tube 25, be provided with 1# valve 11, between recycle pump one and feedwater endless tube 1, be provided with 2# valve 12.
Draining endless tube 26 is provided with more than 3 or 3 pipeline, on each pipeline, is equipped with valve, forms valving two.Feedwater endless tube 25 is provided with more than 3 or 3 pipeline, on each pipeline, is equipped with valve, forms valving three.
The online switching method of not blowing out that utilizes blast furnace closed circulation cooling system to realize, comprises the following steps:
1) blast furnace closed circulation cooling system is full of to water;
2) system is all pressed: slowly open arbitrary valve of the valving two (the 9#-14# valve in Fig. 1) of draining endless tube 26, then by remaining valve open on draining endless tube 26; (whether the timed interval of valve open needs to limit)
3) open successively the valving three on feedwater endless tube 25, the 3# from Fig. 1 starts to open successively until 8# valve is all opened all valves of valving three.
4) arbitrary water circulating pump in ON cycle water pump 21, arbitrary the water circulating pump of simultaneously stopping transport in water circulating pump 1; Valve-off group 1 and 1# valve 11 after stable, the 16#1 valve in valving 1, under normal circumstances in closing condition, therefore need be closed 14# valve, 15# valve and 1# valve 11 at this;
5) second water circulating pump of startup water circulating pump, normally puts system into operation.
Realize the paired running of two covers system arranged side by side.Make the equipment of being cooled be switched to reposefully another cooling system from a cooling system handover security in the situation that of normal production, avoid the stopping production financial loss that causes and equipment are because of the cooling not good damage causing.
The utility model has been realized the two online switchings of overlapping cooling system in parallel, improve the cooling intensity of the equipment that is cooled, thereby improve the work-ing life of the equipment that is cooled, and in handoff procedure, will reach the object that does not affect production and also do not damage the equipment of being cooled.
Claims (5)
1. a blast furnace closed circulation cooling system, it is characterized in that, comprise air cooler one, air cooler two, strainer one, strainer two, degassing vessel one, degassing vessel two, draining endless tube one, draining endless tube two, feedwater endless tube one, feedwater endless tube two, water circulating pump one, water circulating pump two, degassing vessel one, air cooler one, strainer one, water circulating pump one, feedwater endless tube one, draining endless tube one, degassing vessel one is connected, water circulating pump one is also connected with feedwater endless tube two, feedwater endless tube two, water circulating pump two, air cooler two, strainer two, degassing vessel two, draining endless tube two, feedwater endless tube two is connected.
2. a kind of blast furnace closed circulation cooling system according to claim 1, is characterized in that, between described degassing vessel two and draining endless tube two, is provided with valving one.
3. a kind of blast furnace closed circulation cooling system according to claim 1, is characterized in that, between described recycle pump one and feedwater endless tube two, is provided with 1# valve, between recycle pump one and feedwater endless tube one, is provided with 2# valve.
4. a kind of blast furnace closed circulation cooling system according to claim 1, is characterized in that, described draining endless tube two is provided with more than 3 or 3 pipeline, on each pipeline, is equipped with valve, forms valving two.
5. a kind of blast furnace closed circulation cooling system according to claim 1, is characterized in that, described feedwater endless tube two is provided with more than 3 or 3 pipeline, on each pipeline, is equipped with valve, forms valving three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420079340.3U CN203728863U (en) | 2014-02-24 | 2014-02-24 | Closed circulation cooling system for blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420079340.3U CN203728863U (en) | 2014-02-24 | 2014-02-24 | Closed circulation cooling system for blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203728863U true CN203728863U (en) | 2014-07-23 |
Family
ID=51198949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420079340.3U Expired - Lifetime CN203728863U (en) | 2014-02-24 | 2014-02-24 | Closed circulation cooling system for blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203728863U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103882170A (en) * | 2014-02-24 | 2014-06-25 | 鞍钢集团工程技术有限公司 | Closed circulation cooling system of blast furnace and non-shutdown online switching method of closed circulation cooling system |
| CN114480761A (en) * | 2021-12-17 | 2022-05-13 | 中国华冶科工集团有限公司 | Blast furnace soft water closed cycle cooling system and method |
-
2014
- 2014-02-24 CN CN201420079340.3U patent/CN203728863U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103882170A (en) * | 2014-02-24 | 2014-06-25 | 鞍钢集团工程技术有限公司 | Closed circulation cooling system of blast furnace and non-shutdown online switching method of closed circulation cooling system |
| CN114480761A (en) * | 2021-12-17 | 2022-05-13 | 中国华冶科工集团有限公司 | Blast furnace soft water closed cycle cooling system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109579108A (en) | A kind of high back pressure coupling great temperature difference heat supply system and operation method for air cooling unit | |
| CN103421917B (en) | Blast furnace soft water closed-recirculation cooling system | |
| CN103060496A (en) | Method and system suitable for recovering waste heat of blast furnace slag flushing water | |
| CN203728863U (en) | Closed circulation cooling system for blast furnace | |
| CN103245205A (en) | Combined condensed steam heat exchange system for direct air cooling steam turbine | |
| CN203477891U (en) | Distributed energy comprehensive utilization system for natural gas station | |
| CN103060497B (en) | Blast furnace slag sweeping water waste heat power generation system | |
| CN103882170A (en) | Closed circulation cooling system of blast furnace and non-shutdown online switching method of closed circulation cooling system | |
| CN104267268B (en) | The experimental rig and its test method of a kind of electric heating tube working life | |
| CN106017109A (en) | Energy-saving process of blast furnace circulating water cooling system with upper tower pumps | |
| CN205876403U (en) | Open circulation cooling water system | |
| CN203501801U (en) | Cooling water system of medium-frequency induction furnace | |
| CN105822372A (en) | Wet cooling steam turbine cold end system based on high-back-pressure steam exhaust waste heat recovery | |
| CN203411556U (en) | Closed circulating cooling system of soft water for blast furnace | |
| CN202955919U (en) | Device for rapidly cooling circulating water | |
| CN203393172U (en) | Online adjusting system for heat load distribution of full-cooling-wall blast furnace | |
| CN202947489U (en) | Waste-heat cascaded utilization system at low-temperature sections of sintering circular cooling machine | |
| CN205841533U (en) | There is the turbine-generator units bearing cooling system of recoil effect | |
| CN108036195B (en) | Pipeline system capable of heating and cooling simultaneously | |
| CN209295710U (en) | A kind of preventing freeze in winter induced cooling tower system | |
| CN203128595U (en) | System suitable for waste heat recovery of slag flushing water of blast furnace | |
| CN207421511U (en) | A kind of new heat-exchanger support of pipelines | |
| CN201893125U (en) | Jacket device for tank body of freeze dryer | |
| CN203489728U (en) | Closed circulating water system of power generation and heat supply unit | |
| CN103954031A (en) | Method and device for recycling heat energy of compressed air of aerobe fermentation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |
|
| CX01 | Expiry of patent term |