CN203297112U - System allowing blast furnace slag flushing water heat source to be used in blast furnace electric air blower - Google Patents
System allowing blast furnace slag flushing water heat source to be used in blast furnace electric air blower Download PDFInfo
- Publication number
- CN203297112U CN203297112U CN2013202071178U CN201320207117U CN203297112U CN 203297112 U CN203297112 U CN 203297112U CN 2013202071178 U CN2013202071178 U CN 2013202071178U CN 201320207117 U CN201320207117 U CN 201320207117U CN 203297112 U CN203297112 U CN 203297112U
- Authority
- CN
- China
- Prior art keywords
- blast furnace
- ammoniacal liquor
- air blower
- water
- blower
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 50
- 239000002893 slag Substances 0.000 title claims abstract description 32
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 132
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000003818 cinder Substances 0.000 claims description 45
- 239000000203 mixture Substances 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 11
- 238000010791 quenching Methods 0.000 claims description 10
- 230000000171 quenching effect Effects 0.000 claims description 10
- 239000000498 cooling water Substances 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 6
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 4
- 101710141078 Ammonium transporter Proteins 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 17
- 239000007788 liquid Substances 0.000 description 10
- 238000007599 discharging Methods 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model relates to a system allowing a blast furnace slag flushing water heat source to be used in a blast furnace electric air blower. The system mainly comprises an ammonia water working medium circulating system, an ammonia water turbine, an electromotor of a blast furnace air blower system and an air blower of the blast furnace air blower system, the ammonia water turbine, the electromotor of the blast furnace air blower system and the air blower of the blast furnace air blower system are coaxially arranged and operated, slag flushing water for processing blast furnace slag is used as a heat source, liquid ammonia water is heated to high-temperature high-pressure gas ammonia water, and the high-temperature high-pressure gas ammonia water pushes the ammonia water turbine which is coaxial to the electromotor of the blast furnace air blower system and the air blower of the blast furnace air blower system to rotate, and the air blower blows air to a blast furnace. The blast furnace slag flushing water and the electromotor are combined to work to blow air to the blast furnace, only the capacity of the blast furnace air blower needs to be improved, power generating equipment for recovering the rotation mechanical energy of the ammonia water turbine does not need to be independently invested, energy of the slag flushing water can be recovered through increased air volume, and therefore initial investment cost and operating maintenance cost are greatly reduced.
Description
Technical field
The utility model relates to a kind of system of utilizing of blast furnace slag quenching water low-temperature heat source, is specifically related to a kind of system that the blast furnace slag quenching water thermal source is generated electricity for electric blower.
Background technique
The blast furnace slag quenching water water yield is large, contains larger heat energy.But because water temperature is lower, the thermal source grade is low, and how to utilize efficiently is a difficult problem.Adopt the electricity-generating method of Rankine cycle electricity-generating method or ammonia-water mixture circulation, all may cause because generating efficiency is low to drop into to be difficult to reclaim or problem that payoff period is long.
The model utility content
The technical problems to be solved in the utility model is the above-mentioned defect that overcomes prior art, provide a kind of blast furnace slag quenching water thermal source to be used for the system of Electric Blower of Blast Furnace, utilizing existing blast furnace blower is the energy of recyclable flushing cinder water, do not need sole investment to build power generation system, greatly reduce initial investment cost and operation expense.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of blast furnace slag quenching water thermal source is used for the system of Electric Blower of Blast Furnace, it is characterized in that: mainly comprise motor and the blower of the ammonia-water mixture circulatory system, ammoniacal liquor turbine, blast furnace blower system, and the motor of ammoniacal liquor turbine and blast furnace blower system and the coaxial setting of blower and coaxial operation;
Aqua ammonia pump, cooling system and flushing cinder water heat-exchange system are set in the ammonia-water mixture circulatory system; Flushing cinder water circulation channel and high pressure aqua ammonia channel parallel in flushing cinder water heat-exchange system; The entrance point of flushing cinder water circulation channel is communicated with the blast furnace slag processing system outlet, and outlet end is communicated with the pulp water recovery and processing system; The entrance point of high pressure aqua ammonia passage is communicated with the outlet end of aqua ammonia pump, and the outlet end of high pressure aqua ammonia passage is connected with the ammoniacal liquor import of ammoniacal liquor turbine; Cooling water circulation passage and low pressure ammoniacal liquor channel parallel in cooling system, the entrance point of low pressure ammoniacal liquor passage is connected with the outlet of the ammoniacal liquor of ammoniacal liquor turbine, and the outlet end of low pressure ammoniacal liquor passage is communicated with the entrance point of aqua ammonia pump.
By technique scheme, the gas input port of blower is communicated with atmosphere, the pressurized air exhaust port of blower be communicated with to hot blast stove.
By technique scheme, described pulp water recovery and processing system is blast furnace slag processing system, and the flushing cinder water return pipe of flushing cinder water circulation channel is connected with the flushing cinder water water intake of blast furnace slag processing system.
By technique scheme, the feed-water end of cooling water circulation passage and backwater end all are communicated with the external refrigeration tower.
Will be from the flushing cinder water of blast furnace slag processing system as thermal source, liquid ammoniacal liquor is heated into the gaseous state ammoniacal liquor of High Temperature High Pressure, the gaseous state ammoniacal liquor of High Temperature High Pressure is sent into the ammoniacal liquor turbine and is promoted the rotation of ammoniacal liquor turbine, motor and the coaxial setting of blower of ammoniacal liquor turbine and blast furnace blower system, the operation of the common belt driven blower of ammoniacal liquor turbine and motor, and by blower to blast furnace air.
By technique scheme, will input the ammonia-water mixture circulatory system as thermal source from the flushing cinder water of blast furnace slag processing system, by the ammonia-water mixture circulatory system, liquid ammoniacal liquor is heated into the gaseous state ammoniacal liquor of High Temperature High Pressure; Aqua ammonia pump, cooling system and flushing cinder water heat-exchange system are set in the described ammonia-water mixture circulatory system, flushing cinder water enters flushing cinder water heat-exchange system, by heat exchange, liquid ammoniacal liquor is heated into the gaseous state ammoniacal liquor of High Temperature High Pressure, the gaseous state ammoniacal liquor of the High Temperature High Pressure of discharging from flushing cinder water heat-exchange system is sent into the ammoniacal liquor turbine, promotes the rotation of ammoniacal liquor turbine; Low-pressure low-temperature ammoniacal liquor and the weary ammonia of from the ammoniacal liquor turbine, discharging are cooled to liquid ammoniacal liquor through cooling system, send into flushing cinder water heat-exchange system by the aqua ammonia pump supercharging again and be heated into the gaseous state ammoniacal liquor of High Temperature High Pressure, the gaseous state ammoniacal liquor of High Temperature High Pressure is sent in the ammoniacal liquor turbine again promotes the rotation of ammoniacal liquor turbine.
, by technique scheme, send into blast furnace slag processing system from the flushing cinder water backwater of ammonia-water mixture circulatory system discharge and carry out circular treatment.
By technique scheme, described blower sucks atmosphere, and the pressurized air that will discharge is delivered to hot blast stove.
Core of the present utility model is: motor and the coaxial setting of blower of ammoniacal liquor turbine and blast furnace blower system, the common belt driven blower operation of ammoniacal liquor turbine and motor, and by blower to blast furnace air, be not limited in this scheme and use the ammoniacal liquor turbine, as the turbine installation or the other forms of energy conversion device that adopt the working medium such as water, freon, with motor and the coaxial setting of blower of blast furnace blower system, can realize technique of the present utility model; The thermal source of heat-exchange system also is not limited to and adopts flushing cinder hydro-thermal source to carry out heat exchange, and useless flue gas is passable too.
Working principle of the present utility model is: system of the present utility model mainly comprises the ammonia-water mixture circulatory system, ammoniacal liquor turbine, motor and blower four parts.The flushing cinder water of processing from blast furnace slag is as thermal source, liquid ammoniacal liquor is heated into the gaseous state ammoniacal liquor of High Temperature High Pressure, the gaseous state ammoniacal liquor of High Temperature High Pressure promotes to rotate with the motor of blast furnace blower system and the coaxial ammoniacal liquor turbine of blower, and by blower to blast furnace air; The low-pressure low-temperature ammoniacal liquor of from the ammoniacal liquor turbine, discharging enters cooling system, is cooled into liquid ammoniacal liquor, then sends into flushing cinder water heat-exchange system by the aqua ammonia pump supercharging and be heated into the gaseous state ammoniacal liquor of High Temperature High Pressure.
Blast furnace slag quenching water is used for blast furnace air with the motor joint work, can reduces the input of equipment when utilizing flushing cinder water energy, shorten the turnover.Like this, only need to strengthen the ability of blast furnace blower, do not need sole investment to be used to reclaim the power generating equipment of ammoniacal liquor turbine rotating mechanical energy, just can reclaim the energy of flushing cinder water by the air quantity that increases, greatly reduce initial investment cost and operation expense.
Simultaneously, due to same cyclic utilization system is comprehensively advanced in flushing cinder hydro-thermal source and blast furnace air, thereby simplified system architecture, and improved the inconvenience that each energy utilization system is set separately, efficiency of energy utilization is higher.
Description of drawings
Fig. 1 is system architecture and the process flow diagram that blast furnace slag quenching water thermal source of the present utility model is used for Electric Blower of Blast Furnace.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing 1 and embodiment, but do not limit the utility model.
Core of the present utility model is: motor and the coaxial setting of blower of ammoniacal liquor turbine and blast furnace blower system, the common belt driven blower operation of ammoniacal liquor turbine and motor, and by blower to blast furnace air, be not limited in this scheme and use the ammoniacal liquor turbine, as the turbine installation or the other forms of energy conversion device that adopt the working medium such as water, freon, with motor and the coaxial setting of blower of blast furnace blower system, can realize technique of the present utility model; The thermal source of heat-exchange system also is not limited to and adopts flushing cinder hydro-thermal source to carry out heat exchange, and useless flue gas is passable too.
A kind of blast furnace slag quenching water thermal source as shown in Figure 1 is used for the system of Electric Blower of Blast Furnace, it is characterized in that: mainly comprise motor 2 and the blower 4 of the ammonia-water mixture circulatory system 1, ammoniacal liquor turbine 3, blast furnace blower system, and the motor 2 of ammoniacal liquor turbine 3 and blast furnace blower system and the coaxial setting of blower 4 and coaxial operation;
Aqua ammonia pump 1.2, cooling system 1.1 and flushing cinder water heat-exchange system 1.3 are set in the ammonia-water mixture circulatory system 1; Flushing cinder water circulation channel and high pressure aqua ammonia channel parallel in flushing cinder water heat-exchange system 1.3; The entrance point of flushing cinder water circulation channel is communicated with the blast furnace slag processing system outlet, and outlet end is communicated with the pulp water recovery and processing system; The entrance point of high pressure aqua ammonia passage is communicated with the outlet end of aqua ammonia pump 1.2, and the outlet end of high pressure aqua ammonia passage is connected with the ammoniacal liquor import of ammoniacal liquor turbine 3; Cooling water circulation passage and low pressure ammoniacal liquor channel parallel in cooling system 1.1, the entrance point of low pressure ammoniacal liquor passage is connected with the outlet of the ammoniacal liquor of ammoniacal liquor turbine 3, and the outlet end of low pressure ammoniacal liquor passage is communicated with the entrance point of aqua ammonia pump 1.2.
The gas input port of blower 4 is communicated with atmosphere, the pressurized air exhaust port of blower 4 be communicated with to hot blast stove.
By technique scheme, described pulp water recovery and processing system is blast furnace slag processing system, and the flushing cinder water return pipe of flushing cinder water circulation channel is connected with the flushing cinder water water intake of blast furnace slag processing system.
By technique scheme, the feed-water end of cooling water circulation passage and backwater end all are communicated with the external refrigeration tower.
As shown in Figure 1, will be from the flushing cinder water of blast furnace slag processing system as thermal source, liquid ammoniacal liquor is heated into the gaseous state ammoniacal liquor of High Temperature High Pressure, the gaseous state ammoniacal liquor of High Temperature High Pressure is sent into ammoniacal liquor turbine 3 and is promoted 3 rotations of ammoniacal liquor turbine, motor 2 and the coaxial setting of blower 4 of ammoniacal liquor turbine 3 and blast furnace blower system, common belt driven blower 4 operations of ammoniacal liquor turbine 3 and motor 2, and by blower 4, give blast furnace air.
By technique scheme, will input the ammonia-water mixture circulatory system 1 as thermal source from the flushing cinder water of blast furnace slag processing system, by the ammonia-water mixture circulatory system 1, liquid ammoniacal liquor is heated into the gaseous state ammoniacal liquor of High Temperature High Pressure; Interior aqua ammonia pump 1.2, cooling system 1.1 and the flushing cinder water heat-exchange system 1.3 of arranging of the described ammonia-water mixture circulatory system 1, flushing cinder water enters flushing cinder water heat-exchange system 1.3, by heat exchange, liquid ammoniacal liquor is heated into the gaseous state ammoniacal liquor of High Temperature High Pressure, the gaseous state ammoniacal liquor of the High Temperature High Pressure of discharging from flushing cinder water heat-exchange system 1.3 is sent into ammoniacal liquor turbine 3, promotes 3 rotations of ammoniacal liquor turbine; Low-pressure low-temperature ammoniacal liquor and the weary ammonia of from ammoniacal liquor turbine 3, discharging are cooled to liquid ammoniacal liquor through cooling system 1.1, send into flushing cinder water heat-exchange system 1.3 by aqua ammonia pump 1.2 superchargings again and be heated into the gaseous state ammoniacal liquor of High Temperature High Pressure, the gaseous state ammoniacal liquor of High Temperature High Pressure is sent in ammoniacal liquor turbine 3 again promotes 3 rotations of ammoniacal liquor turbine.
, by technique scheme, send into blast furnace slag processing system from the flushing cinder water backwater of the ammonia-water mixture circulatory system 1 discharge and carry out circular treatment.
By technique scheme, described blower 4 sucks atmosphere, and the pressurized air that will discharge is delivered to hot blast stove.
Claims (4)
1. a blast furnace slag quenching water thermal source is used for the system of Electric Blower of Blast Furnace, it is characterized in that: mainly comprise the ammonia-water mixture circulatory system, ammoniacal liquor turbine, blast furnace blower system, the blast furnace blower system comprises motor and blower, and the motor of ammoniacal liquor turbine and blast furnace blower system and the coaxial setting of blower and coaxial operation;
Aqua ammonia pump, cooling system and flushing cinder water heat-exchange system are set in the ammonia-water mixture circulatory system; Flushing cinder water circulation channel and high pressure aqua ammonia channel parallel in flushing cinder water heat-exchange system; The entrance point of flushing cinder water circulation channel is communicated with the blast furnace slag processing system outlet, and outlet end is communicated with the pulp water recovery and processing system; The entrance point of high pressure aqua ammonia passage is communicated with the outlet end of aqua ammonia pump, and the outlet end of high pressure aqua ammonia passage is connected with the ammoniacal liquor import of ammoniacal liquor turbine; Cooling water circulation passage and low pressure ammoniacal liquor channel parallel in cooling system, the entrance point of low pressure ammoniacal liquor passage is connected with the outlet of the ammoniacal liquor of ammoniacal liquor turbine, and the outlet end of low pressure ammoniacal liquor passage is communicated with the entrance point of aqua ammonia pump.
2. system according to claim 1, it is characterized in that: the gas input port of blower is communicated with atmosphere, and the pressurized air exhaust port of blower is communicated with hot blast stove.
3. system according to claim 1 and 2, it is characterized in that: described pulp water recovery and processing system is blast furnace slag processing system, and the flushing cinder water return pipe of flushing cinder water circulation channel is connected with the flushing cinder water water intake of blast furnace slag processing system.
4. system according to claim 3, it is characterized in that: the feed-water end of cooling water circulation passage and backwater end all are communicated with the external refrigeration tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202071178U CN203297112U (en) | 2013-04-23 | 2013-04-23 | System allowing blast furnace slag flushing water heat source to be used in blast furnace electric air blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202071178U CN203297112U (en) | 2013-04-23 | 2013-04-23 | System allowing blast furnace slag flushing water heat source to be used in blast furnace electric air blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203297112U true CN203297112U (en) | 2013-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202071178U Expired - Lifetime CN203297112U (en) | 2013-04-23 | 2013-04-23 | System allowing blast furnace slag flushing water heat source to be used in blast furnace electric air blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203297112U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233084A (en) * | 2013-04-23 | 2013-08-07 | 中冶南方工程技术有限公司 | System and method for applying blast furnace cinder flushing water heat source to electric blast blower of blast furnace |
-
2013
- 2013-04-23 CN CN2013202071178U patent/CN203297112U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233084A (en) * | 2013-04-23 | 2013-08-07 | 中冶南方工程技术有限公司 | System and method for applying blast furnace cinder flushing water heat source to electric blast blower of blast furnace |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |
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| CX01 | Expiry of patent term |