CN203295512U - System for TRT (top pressure recovery turbine unit) electricity generation by blast furnace cinder flushing water heat source - Google Patents
System for TRT (top pressure recovery turbine unit) electricity generation by blast furnace cinder flushing water heat source Download PDFInfo
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- CN203295512U CN203295512U CN2013202076275U CN201320207627U CN203295512U CN 203295512 U CN203295512 U CN 203295512U CN 2013202076275 U CN2013202076275 U CN 2013202076275U CN 201320207627 U CN201320207627 U CN 201320207627U CN 203295512 U CN203295512 U CN 203295512U
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- ammoniacal liquor
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The utility model relates to a system for TRT (top pressure recovery turbine unit) electricity generation by a blast furnace cinder flushing water heat source. The system mainly comprises an ammonium hydroxide working medium circulating system, an ammonium hydroxide turbine, and a gas turbine and an electric generator of a blast furnace TRT system, wherein the ammonium hydroxide turbine, the gas turbine and the electric generator are coaxially arranged and operated; cinder flushing water for processing blast furnace slag is utilized as a heat source, liquid-state ammonium hydroxide is heated into high temperature and high pressure gas-state ammonium hydroxide which is used for driving the ammonium hydroxide turbine, which is coaxial with the gas turbine and the electric generator of the blast furnace TRT system, to rotate, and the electric generator generates electricity. Therefore, the existing gas turbine of the blast furnace TRT system is utilized, only the capacities of the electric generator of the blast furnace TRT system, an excitation system and other web devices need to increase, sole investment is not needed, and thus the 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, being specifically related to a kind of is Top pressure Recovery Turbine unit with the blast furnace slag quenching water thermal source for the TRT(full name, Chinese is translated into furnace roof (remaining) and pushes back the receipts turbine, the general more definite blast furnace coal gas residual pressure recovery turbine generating set that is referred to as) system of generating.
Background technology
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 payback period is long.
The blast furnace coal gas residual pressure recovery turbine generating set is a kind of energy saver that blast furnace gas is used to reclaim generating, but to utilize thermal source be only also to come from blast furnace gas for it, for other thermals source in blast furnace ironmaking process, also do not relate at present.
The utility model 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 TRT generating, can reclaim expeditiously the blast furnace slag quenching water thermal source with existing TRT power generation assembly, 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 TRT generating, it is characterized in that: mainly comprise Gas Turbine and the generator of the ammonia-water mixture recycle system, ammoniacal liquor turbine and blast furnace TRT system, and ammoniacal liquor turbine, Gas Turbine and generator coaxle setting and coaxial operation;
Aqua ammonia pump, cooling system and flushing cinder water heat-exchange system are set in the ammonia-water mixture recycle system; Flushing cinder water circulation channel and high pressure aqua ammonia channel parallel in flushing cinder water heat-exchange system; The entrance end of flushing cinder water circulation channel is communicated with the blast furnace slag processing system outlet, and exit end is communicated with the pulp water recovery and processing system; The entrance end of high pressure aqua ammonia passage is communicated with the exit end of aqua ammonia pump, and the exit 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 end of low pressure ammoniacal liquor passage is connected with the outlet of the ammoniacal liquor of ammoniacal liquor turbine, and the exit end of low pressure ammoniacal liquor passage is communicated with the entrance end of aqua ammonia pump.
By technique scheme, described Gas Turbine input terminus is communicated with the high pressure gas pipeline of blast furnace roof, and output terminal is communicated with the purified gas pipe network.
By technique scheme, described pulp water recovery and processing system is blast furnace slag processing system, and the flushing cinder water return water pipe of flushing cinder water circulation channel is connected with the flushing cinder water water-in 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 exterior cooling 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, the Gas Turbine of ammoniacal liquor turbine and blast furnace TRT system and generator coaxle setting, ammoniacal liquor turbine and Gas Turbine drive generator operation jointly, and by generator, are generated electricity.
By technique scheme, will input the ammonia-water mixture recycle system as thermal source from the flushing cinder water of blast furnace slag processing system, by the ammonia-water mixture recycle 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 recycle 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 recycle system discharge and carry out circular treatment.
By technique scheme, described Gas Turbine input is from the high pressure gas of blast furnace roof, and the low-pressure gas that will discharge outputs to the purified gas pipe network.
Core of the present utility model is: Gas Turbine and the generator coaxle setting of ammoniacal liquor turbine and blast furnace TRT system, ammoniacal liquor turbine and Gas Turbine jointly drive generator and rotate generating, be not limited in this scheme and use the ammoniacal liquor turbine, as the turbine installation of the working medium such as employing water, freonll-11 or Gas Turbine and the generator coaxle setting of other forms of energy conversion device and blast furnace TRT system, can realize the 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.
Principle of work of the present utility model is: the flushing cinder water that will process 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 Gas Turbine of blast furnace TRT system and the ammoniacal liquor turbine of generator coaxle, and by generator, is generated electricity.Like this, owing to can utilizing existing Gas Turbine for blast furnace TRT system, only need to strengthen the ability of generator, field system and other equipment for surfing the net of blast furnace TRT system, do not need sole investment, greatly reduce initial investment cost and operation expense, input is short payback period.
Simultaneously, due to same power generation system is comprehensively advanced in flushing cinder hydro-thermal source and blast-furnace top gas recovery, thereby simplify system, and improved the inconvenience that each energy utilization system is set separately, and due to coal gas overbottom pressure and the synchronised recycling utilization for the first time of flushing cinder water, thereby efficiency of energy utilization is higher.
Description of drawings
Fig. 1 is system architecture and the process flow sheet that blast furnace slag quenching water thermal source of the present utility model is used for the TRT generating.。
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.
Be illustrated in figure 1 as the embodiment that the utility model blast furnace slag quenching water thermal source is used for the system of TRT generating, it is characterized in that: mainly comprise Gas Turbine 2 and the generator 4 of the ammonia-water mixture recycle system 1, ammoniacal liquor turbine 3, blast furnace TRT system, and ammoniacal liquor turbine 3, Gas Turbine 2 and the coaxial setting of generator 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 recycle 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 end of flushing cinder water circulation channel is communicated with the blast furnace slag processing system outlet, and exit end is communicated with the pulp water recovery and processing system; The entrance end of high pressure aqua ammonia passage is communicated with the exit end of aqua ammonia pump 1.2, and the exit 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 end of low pressure ammoniacal liquor passage is connected with the outlet of the ammoniacal liquor of ammoniacal liquor turbine 3, and the exit end of low pressure ammoniacal liquor passage is communicated with the entrance end of aqua ammonia pump 1.2.
By technique scheme, described pulp water recovery and processing system is blast furnace slag processing system, and the flushing cinder water return water pipe of flushing cinder water circulation channel is connected with the flushing cinder water water-in with 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 exterior cooling tower.
Described Gas Turbine 2 input terminuss are communicated with the high pressure gas pipeline of blast furnace roof, and output terminal is communicated with the purified gas pipe network.
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, Gas Turbine 2 and the coaxial setting of generator 4 of ammoniacal liquor turbine 3 and blast furnace TRT system, ammoniacal liquor turbine 3 and Gas Turbine 2 are common to be driven generator 4 runnings and generates electricity.
By technique scheme, will input the ammonia-water mixture recycle system 1 as thermal source from the flushing cinder water of blast furnace slag processing system, by the ammonia-water mixture recycle 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 recycle 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 recycle system 1 discharge and carry out circular treatment.
By technique scheme, described Gas Turbine 2 inputs are from the high pressure gas of blast furnace roof, and the low-pressure gas that will discharge outputs to the purified gas pipe network.
Core of the present utility model is: Gas Turbine and the generator coaxle setting of ammoniacal liquor turbine and blast furnace TRT system, ammoniacal liquor turbine and Gas Turbine jointly drive generator and rotate generating, be not limited in this scheme and use the ammoniacal liquor turbine, as the turbine installation of the working medium such as employing water, freonll-11 or Gas Turbine and the generator coaxle setting of other forms of energy conversion device and blast furnace TRT system, can realize the 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.
Principle of work of the present invention is: the flushing cinder water that will process 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 Gas Turbine of blast furnace TRT system and the ammoniacal liquor turbine of generator coaxle, and by generator, is generated electricity.Like this, owing to can utilizing existing Gas Turbine for blast furnace TRT system, only need to strengthen the ability of generator, field system and other equipment for surfing the net of blast furnace TRT system, do not need sole investment, greatly reduce initial investment cost and operation expense, input is short payback period.
Simultaneously, due to same power generation system is comprehensively advanced in flushing cinder hydro-thermal source and blast-furnace top gas recovery, thereby simplified system, and improved the inconvenience that each energy utilization system is set separately, thereby efficiency of energy utilization is higher.
Claims (4)
1. a blast furnace slag quenching water thermal source is used for the system that TRT generates electricity, it is characterized in that: mainly comprise Gas Turbine and the generator of the ammonia-water mixture recycle system, ammoniacal liquor turbine and blast furnace TRT system, and ammoniacal liquor turbine, Gas Turbine and generator coaxle setting and coaxial operation;
Aqua ammonia pump, cooling system and flushing cinder water heat-exchange system are set in the ammonia-water mixture recycle system; Flushing cinder water circulation channel and high pressure aqua ammonia channel parallel in flushing cinder water heat-exchange system; The entrance end of flushing cinder water circulation channel is communicated with the blast furnace slag processing system outlet, and exit end is communicated with the pulp water recovery and processing system; The entrance end of high pressure aqua ammonia passage is communicated with the exit end of aqua ammonia pump, and the exit 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 end of low pressure ammoniacal liquor passage is connected with the outlet of the ammoniacal liquor of ammoniacal liquor turbine, and the exit end of low pressure ammoniacal liquor passage is communicated with the entrance end of aqua ammonia pump.
2. system according to claim 1, it is characterized in that: described Gas Turbine input terminus is communicated with the high pressure gas pipeline of blast furnace roof, and output terminal is communicated with the purified gas pipe network.
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 water pipe of flushing cinder water circulation channel is connected with the flushing cinder water water-in of blast furnace slag processing system.
4. system according to claim 1 and 2, it is characterized in that: the feed-water end of cooling water circulation passage and backwater end all are communicated with the exterior cooling tower.
Priority Applications (1)
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CN2013202076275U CN203295512U (en) | 2013-04-23 | 2013-04-23 | System for TRT (top pressure recovery turbine unit) electricity generation by blast furnace cinder flushing water heat source |
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CN2013202076275U CN203295512U (en) | 2013-04-23 | 2013-04-23 | System for TRT (top pressure recovery turbine unit) electricity generation by blast furnace cinder flushing water heat source |
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CN2013202076275U Expired - Lifetime CN203295512U (en) | 2013-04-23 | 2013-04-23 | System for TRT (top pressure recovery turbine unit) electricity generation by blast furnace cinder flushing water heat source |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103225005A (en) * | 2013-04-23 | 2013-07-31 | 中冶南方工程技术有限公司 | System and method for TRT power generation by blast furnace slag washing water heat source |
-
2013
- 2013-04-23 CN CN2013202076275U patent/CN203295512U/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103225005A (en) * | 2013-04-23 | 2013-07-31 | 中冶南方工程技术有限公司 | System and method for TRT power generation by blast furnace slag washing water heat source |
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Granted publication date: 20131120 |
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CX01 | Expiry of patent term |