CN209243089U - The blast-furnace cooled water circulatory system - Google Patents
The blast-furnace cooled water circulatory system Download PDFInfo
- Publication number
- CN209243089U CN209243089U CN201821898719.1U CN201821898719U CN209243089U CN 209243089 U CN209243089 U CN 209243089U CN 201821898719 U CN201821898719 U CN 201821898719U CN 209243089 U CN209243089 U CN 209243089U
- Authority
- CN
- China
- Prior art keywords
- water
- tower
- cooling
- blast
- hot
- 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.)
- Active
Links
Landscapes
- Blast Furnaces (AREA)
Abstract
The utility model discloses the blast-furnace cooled water circulatory systems, it include: water cooling pond, hot-tub and several cooling towers, the water outlet of the water cooling pond is connected by water supply pump and water supplying pipe with the water inlet of blast furnace, the water outlet of blast furnace is connected with the water inlet of hot-tub, the water outlet of hot-tub is connected to upper supply mains by upper tower elevator pump, the water inlet of every cooling tower passes through a upper water branch pipe respectively and is connected to upper supply mains, the water outlet of every cooling tower passes through an exit branch respectively and is connected with the outfall sewer for connecting water cooling pond water inlet, upper supply mains is also connected by upper tower bypass pipe with outfall sewer, upper tower bypass regulator valve is provided on upper tower bypass pipe.The advantages of the utility model is with not only can guarantee the supply water temperature of water cooling pond, but also energy consumption can be effectively reduced.
Description
Technical field
The utility model relates to blast furnace process technical field of auxiliary equipment, and in particular to the blower check of blast furnace process
Valve.
Background technique
The blast-furnace cooled water circulatory system is the important component of blast fumance, is mainly used for cooling down blast furnace, is protected
Demonstrate,prove the safety of blast fumance.If the structure of the blast-furnace cooled water circulatory system used at present include: water cooling pond, hot-tub and
The water outlet of dry platform cooling tower, water cooling pond is connected by water supply pump and water supplying pipe with the water inlet of blast furnace, the water outlet of blast furnace
It is connected with the water inlet of hot-tub, the water outlet of hot-tub is connected to upper supply mains by upper tower elevator pump, every cooling tower
Water inlet passes through a upper water branch pipe respectively and is connected to upper supply mains, and the water outlet of every cooling tower passes through an exit branch respectively
It is connected with the outfall sewer for connecting water cooling pond water inlet.
The course of work of the above-mentioned blast-furnace cooled water circulatory system is: water supply pump supplies the cold water in water cooling pond by water supplying pipe
To blast furnace, the cold water for being supplied to blast furnace becomes hot water after blast furnace exchanges heat and flow to hot-tub, and the hot water in hot-tub is mentioned through upper tower again
It rises pump and supplies supreme supply mains, be supplied to each upper water branch pipe again through upper supply mains, then enter each cooling tower through each upper water branch pipe, enter
The hot water of cooling tower becomes cold water after cooling tower heat exchange is cooling again, then enters outfall sewer through corresponding exit branch, respectively
The cold water that exit branch imports outfall sewer enters in water cooling pond through outfall sewer again, loops back and forth like this, and realizes to blast furnace
It is cooling.The above-mentioned blast-furnace cooled water circulatory system has the drawback that: in blast furnace production process, blast furnace disengaging water temperature difference is generally
2 DEG C or so, i.e. the temperature difference of water cooling pond and hot-tub is generally 2 DEG C or so, but the designed temperature difference of cooling tower is generally 10 DEG C, cold
But tower treatment effect is far longer than blast furnace disengaging water temperature difference, and the supply water temperature of water cooling pond is caused often to be far below blast fumance work
The normal water supply temperature that skill requires, to cause the waste of energy consumption.
Utility model content
The purpose of the utility model is to provide one kind not only can guarantee the supply water temperature of water cooling pond, but also energy consumption can be effectively reduced
The blast-furnace cooled water circulatory system.
To achieve the above object, the utility model adopts the technical scheme that the blast-furnace cooled water circulatory system,
It include: water cooling pond, hot-tub and several cooling towers, the water outlet of the water cooling pond passes through water supply pump and water supplying pipe and blast furnace
Water inlet is connected, and the water outlet of blast furnace is connected with the water inlet of hot-tub, and the water outlet of hot-tub passes through upper tower elevator pump
Supply mains in connection, the water inlet of every cooling tower pass through a upper water branch pipe respectively and are connected to upper supply mains, every cooling tower
Water outlet passes through an exit branch respectively and is connected with the outfall sewer for connecting water cooling pond water inlet, and upper supply mains also passes through upper
Tower bypass pipe is connected with outfall sewer, and upper tower bypass regulator valve is provided on upper tower bypass pipe.
Further, the blast-furnace cooled water circulatory system above-mentioned, in which: two can be made by being provided between water cooling pond and hot-tub
The interconnected overflow pipe in a pond.
Further, the blast-furnace cooled water circulatory system above-mentioned, in which: upper tower elevator pump is also connected with frequency-variable controller,
Frequency-variable controller can control the working frequency for adjusting upper tower elevator pump.
Further, the blast-furnace cooled water circulatory system above-mentioned, in which: divide on the corresponding upper water branch pipe of every cooling tower
It is not provided with cooling tower inlet regulating valve, is provided on water supplying pipe for water regulating valve, upper water tune is provided on upper supply mains
Save valve.
Through the implementation of the above technical solution, the beneficial effects of the utility model are: the hot water point that (1) exports hot-tub
Two-way is passed through water cooling pond, wherein all the way without cooling tower, but it directly is passed through water cooling pond through upper tower bypass pipe, another way then passes through
It is passed through water cooling pond after cooling tower cooler, and by the upper tower bypass regulator valve on upper tower bypass pipe to the stream for flowing through upper tower bypass pipe
Amount and the treating capacity of cooling tower are controlled to adjust, it is ensured that the cooling that the water phase of the different temperatures of two-way output is formed after mutually adulterating
The supply water temperature of water is only slightly below the normal water supply temperature that blast fumance technique requires, in the premise for guaranteeing blast furnace supply water temperature
Under, reduce the treating capacity of cooling tower, reduces energy consumption；(2) hot water in hot-tub has sub-fraction that can flow automatically through overflow pipe
Enter in water cooling pond, the not necessary upper tower elevator pump output of this part hot water under the premise of guaranteeing blast furnace supply water temperature, reduces
The operation energy consumption of tower elevator pump.
Detailed description of the invention
Fig. 1 is the operation principle schematic diagram of the blast-furnace cooled water circulatory system described in the utility model.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, the blast-furnace cooled water circulatory system, comprising: water cooling pond 1, hot-tub 2 and several cooling towers
3, the water outlet of the water cooling pond 1 is connected by water supply pump 4 and water supplying pipe 5 with the water inlet of blast furnace 6, the water outlet of blast furnace 6
It is connected with the water inlet of hot-tub 2, the water outlet of hot-tub 2 is connected to upper supply mains 8, every cooling by upper tower elevator pump 7
The water inlet of tower 3 passes through a upper water branch pipe 9 respectively and is connected to upper supply mains 8, and the water outlet of every cooling tower 3 passes through one respectively
Exit branch 10 is connected with the outfall sewer 11 for connecting 1 water inlet of water cooling pond, and the upper supply mains 8 also passes through upper tower bypass pipe
12 are connected with outfall sewer 11, and upper tower bypass regulator valve 13 is provided on upper tower bypass pipe 12；In the present embodiment, cold water
It is provided with the overflow pipe 14 that two ponds can be made interconnected between pond 1 and hot-tub 2, the hot water in such hot-tub has one small
Part can be through overflow pipe from flowing into water cooling pond, and the not necessary upper tower elevator pump output of this part hot water is guaranteeing blast furnace for water temperature
Under the premise of degree, reduce the operation energy consumption of tower elevator pump；In the present embodiment, upper tower elevator pump 7 is also connected with frequency conversion control
Device 15 processed, frequency-variable controller 15 can control the working frequency for adjusting upper tower elevator pump 7, adjust upper tower by frequency-variable controller 15 and mention
The working frequency for rising pump, can indirectly control upper tower water；In the present embodiment, corresponding in every cooling tower 3
It is respectively arranged with cooling tower inlet regulating valve 16 on upper water branch pipe 9, is provided on water supplying pipe 5 for water regulating valve 17, in Shang Shui
It is provided with water regulating valve 18 on general pipeline 8, the operation stability of system can be improved in this way；
The working principle of the utility model is as follows:
Cold water in water cooling pond 1 is supplied to blast furnace 6 by water supplying pipe 5 by water supply pump 4, and the cold water for being supplied to blast furnace 6 is changed through blast furnace 6
Become hot water after heat and flow to hot-tub 2, the hot water in hot-tub 2 has sub-fraction can be through overflow pipe from inflow water cooling pond 1, heat
Rest part hot water in pond 2 can supply supreme supply mains 8 through upper tower elevator pump 7, and the hot water in upper supply mains 8 divides two-way to distinguish
Into upper tower bypass pipe 12 and cooling tower 3, wherein the hot water of tower bypass pipe is passed directly into outfall sewer 11 in entrance, and enters
The hot water of cooling tower 3 is passed through outfall sewer 11 after the heat exchange of cooling tower 3 again, and two-way is exported to the different temperatures of outfall sewer 11
Water phase mutually adulterate after the supply water temperature of cooling water that is formed just only be slightly below the normal water supply temperature that blast fumance technique requires
Degree, the cooling water of outfall sewer 11 flow into water cooling pond again；It loops back and forth like this, realizes the cooling to blast furnace.
The utility model has the advantages that: (1) by hot-tub export hot water divide two-way to be passed through water cooling pond, wherein all the way without
Supercooling tower, but it directly is passed through water cooling pond through upper tower bypass pipe, another way is then passed through water cooling pond after cooling tower cooler, and leads to
The upper tower bypass regulator valve crossed on tower bypass pipe controls the treating capacity of the flow and cooling tower that flow through upper tower bypass pipe
It adjusts, it is ensured that it is raw that the supply water temperature for the cooling water that the water phase of the different temperatures of two-way output is formed after mutually adulterating only is slightly below blast furnace
The normal water supply temperature that production. art requires reduces the treating capacity of cooling tower under the premise of guaranteeing blast furnace supply water temperature, reduces
Energy consumption；(2) hot water in hot-tub has sub-fraction can be through overflow pipe from flow into water cooling pond, this part hot water is not necessary
The output of tower elevator pump, under the premise of guaranteeing blast furnace supply water temperature, reduces the operation energy consumption of tower elevator pump.
Claims (5)
1. the blast-furnace cooled water circulatory system, comprising: water cooling pond, hot-tub and several cooling towers, the water outlet of the water cooling pond
It is connected by water supply pump and water supplying pipe with the water inlet of blast furnace, the water outlet of blast furnace is connected with the water inlet of hot-tub, heat
The water outlet in pond is connected to upper supply mains by upper tower elevator pump, and the water inlet of every cooling tower passes through a upper water branch pipe respectively
Supply mains in connection, the water outlet of every cooling tower passes through an exit branch respectively and the water outlet for connecting water cooling pond water inlet is total
Pipe is connected, it is characterised in that: upper supply mains is also connected by upper tower bypass pipe with outfall sewer, is set on upper tower bypass pipe
It is equipped with tower bypass regulator valve.
2. the blast-furnace cooled water circulatory system according to claim 1, it is characterised in that: be arranged between water cooling pond and hot-tub
There is the overflow pipe that two ponds can be made interconnected.
3. the blast-furnace cooled water circulatory system according to claim 1 or 2, it is characterised in that: upper tower elevator pump is also connected with
Frequency-variable controller, frequency-variable controller can control the working frequency for adjusting upper tower elevator pump.
4. the blast-furnace cooled water circulatory system according to claim 1 or 2, it is characterised in that: corresponding in every cooling tower
It is respectively arranged with cooling tower inlet regulating valve on upper water branch pipe, is provided on water supplying pipe for water regulating valve.
5. the blast-furnace cooled water circulatory system according to claim 3, it is characterised in that: in the corresponding upper water of every cooling tower
It is respectively arranged with cooling tower inlet regulating valve on branch pipe, is provided on water supplying pipe for water regulating valve, is arranged on upper supply mains
There is upper water regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821898719.1U CN209243089U (en) | 2018-11-19 | 2018-11-19 | The blast-furnace cooled water circulatory system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821898719.1U CN209243089U (en) | 2018-11-19 | 2018-11-19 | The blast-furnace cooled water circulatory system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209243089U true CN209243089U (en) | 2019-08-13 |
Family
ID=67528767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821898719.1U Active CN209243089U (en) | 2018-11-19 | 2018-11-19 | The blast-furnace cooled water circulatory system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209243089U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109280729A (en) * | 2018-11-19 | 2019-01-29 | 联峰钢铁（张家港）有限公司 | The blast-furnace cooled water circulatory system |
-
2018
- 2018-11-19 CN CN201821898719.1U patent/CN209243089U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109280729A (en) * | 2018-11-19 | 2019-01-29 | 联峰钢铁（张家港）有限公司 | The blast-furnace cooled water circulatory system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102102962A (en) | Energy-saving regulating and control method and device of industrial cooling water towering pump | |
| EP2289850A1 (en) | Vacuum dehydrating system and dehydrating method for gypsum slurry | |
| CN209243089U (en) | The blast-furnace cooled water circulatory system | |
| CN206862141U (en) | A kind of kiln circulation efficiency control device | |
| CN103408017B (en) | High-temperature water circulation and flash distillation integrated tank and the system for the production of polysilicon | |
| CN111059030A (en) | Air compressor three-stage cooling system and method based on dynamic independent control of cooling water quantity | |
| CN203569148U (en) | Ultrafast cooling and comprehensive water treatment device for medium and heavy plate | |
| CN211823394U (en) | Bypass regulation type industrial cooling water circulation system | |
| CN109280729A (en) | The blast-furnace cooled water circulatory system | |
| CN209295731U (en) | A kind of ammonium hydroxide afterheat utilizing system | |
| CN102705807A (en) | Steam water heating unit based on PID (proportional-integral-derivative) controller | |
| CN105757759B (en) | The thermal efficiency optimizes steam-water heat exchanging initial station and its operation method | |
| CN204780279U (en) | Overflow dyeing machine waste heat recovery device | |
| CN204151122U (en) | Washing kettle heating system | |
| CN107723396A (en) | A kind of blast furnace slag flushing water circulation system | |
| CN202730048U (en) | Polyester process tower system | |
| CN205593029U (en) | Soda heat transfer initial station is optimized to thermal efficiency | |
| CN206430432U (en) | A kind of shop equipment cooling system | |
| CN218269023U (en) | Boiler blowdown drainage continuous-discharge and fixed-discharge working medium and heat comprehensive utilization system | |
| CN203656899U (en) | Waste heat boiler blowdown heat exchange device | |
| CN220183023U (en) | Novel water balance system | |
| CN211552477U (en) | Smelting furnace cooling and drying room heating control system | |
| CN218147359U (en) | Two-stage temperature-raising energy-saving device of high-temperature overflow dyeing machine | |
| CN211526840U (en) | Cooling water return water cooling device | |
| CN217055814U (en) | Injection molding machine hydraulic oil cooling circulation water automatic control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |