CN206247310U - Condensate circulating heater - Google Patents

Condensate circulating heater Download PDF

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Publication number
CN206247310U
CN206247310U CN201621340452.5U CN201621340452U CN206247310U CN 206247310 U CN206247310 U CN 206247310U CN 201621340452 U CN201621340452 U CN 201621340452U CN 206247310 U CN206247310 U CN 206247310U
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China
Prior art keywords
steam
water
heat
accumulation
heater
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CN201621340452.5U
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Chinese (zh)
Inventor
张晓凯
丁勇山
李志伟
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MCC Capital Engineering and Research Incorporation Ltd
Zhongye Jingcheng Engineering Technology Co Ltd
Beijing Jingcheng Kelin Environmental Protection Technology Co Ltd
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Zhongye Jingcheng Engineering Technology Co Ltd
Beijing Jingcheng Kelin Environmental Protection Technology Co Ltd
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Priority to CN201621340452.5U priority Critical patent/CN206247310U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

Abstract

The utility model provides a kind of condensate circulating heater, including:Steam turbine, with exhaust steam outlet and steam inlet;Converter, with waste heat delivery outlet;Condenser, with exhaust steam entrance and condensation water out, exhaust steam entrance is connected with exhaust steam outlet by jet chimney;Steam accumulator, is exported with accumulation of heat entrance and accumulation of heat, and accumulation of heat entrance is connected by the first accumulation of heat pipeline with waste heat delivery outlet;Condensation water heater, with condensed water passage and steam channel, condensed water passage one end is connected by condensing water conduit with water out is condensed, and the other end is connected by deoxygenation pipeline with oxygen-eliminating device;Steam channel one end is exported with accumulation of heat by the second accumulation of heat pipeline and is connected, and the other end is connected by tank pipe with steelshop water tank;Boiler, is connected by water inlet pipe with the oxygen-eliminating device, is connected with steam-turbine entrance by steam outlet pipe road.Condensate circulating heater of the present utility model, can be avoided steel-making afterheat steam and wastes, and increase economic efficiency.

Description

Condensate circulating heater
Technical field
The utility model is related to a kind of device for utilizing and making steel waste-heat condensate, more particularly in a kind of blast furnace smelting Condensate circulating heater in refining field.
Background technology
Some iron and steel enterprises can self-built generating set, the energy-saving of turbine LP rotors condensate system is raising machine The important channel of group economic benefit.Usual steam turbine carrys out heat-setting water, it is necessary to expend substantial amounts of steam turbine by multiple stage heater In steam, so as to reduce the generated energy of steam turbine.
Meanwhile, in iron and steel enterprise, due to the particularity of pneumatic steelmaking Vaporizing cooling technique, cause to be produced in steelmaking process Steam there is discontinuity and fluctuation, the pressure of the steam, temperature and yield are unstable, have thereby resulted in pneumatic steelmaking The steam heat recovery produced during Vaporizing cooling is difficult, haves no alternative but, by steam releasing to air, cause energy waste.
Therefore, it is necessary to providing a kind of steamer effectively can be replaced using the device of afterheat steam heat-setting water is made steel Machine draws gas the device of heat-setting water, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of condensate circulating heater, and it can be by during steel-making Vaporizing cooling The steam of generation is stored by steam accumulator, and then the condensate that steam turbine is produced is heated, and makes afterheat steam Recycled, reduced the amount of drawing gas to steam turbine, improve the economic benefit of steel plant.
The purpose of this utility model is to provide a kind of condensate circulating heater, including:
Steam turbine, it has exhaust steam outlet and steam inlet;
Converter, it has waste heat delivery outlet;
Condenser, it has exhaust steam entrance and condenses water out, and the exhaust steam entrance passes through steam with exhaust steam outlet Pipeline is connected;
Steam accumulator, there is accumulation of heat entrance and accumulation of heat to export for it, and the accumulation of heat entrance passes through the first accumulation of heat pipeline and institute State the waste heat delivery outlet connection of converter;
Condensation water heater, it has condensed water passage and steam channel, and one end of the condensed water passage is by condensing Waterpipe is connected with the condensation water out of the condenser, and the other end of the condensed water passage passes through deoxygenation pipeline and oxygen-eliminating device Connection;One end of the steam channel is exported by the second accumulation of heat pipeline and the accumulation of heat and is connected, the steam channel it is another End is connected by tank pipe with steelshop water tank;
Boiler, it passes through water inlet pipe and is connected with the oxygen-eliminating device, and the boiler passes through steam outlet pipe road and the steam turbine Steam inlet connection.
Condensate circulating heater as described above, wherein, the condensation water heater and the steelshop water tank Between be provided with water pump, the water pump is connected on the tank pipe.
Condensate circulating heater as described above, wherein, the condenser is water-cooled condenser.
Condensate circulating heater as described above, wherein, the steam accumulator is pressure variable ssteam heat storage device.
Condensate circulating heater as described above, wherein, the oxygen-eliminating device is low pressure oxygen-eliminating device.
Condensate circulating heater as described above, wherein, the condensation water heater is low pressure condensate water heater.
Condensate circulating heater as described above, wherein, the converter is alkaline basic oxygen furnace.
Condensate circulating heater as described above, wherein, the water inlet pipe is provided with water pump.
The characteristics of the utility model and advantage are:
Condensate circulating heater of the present utility model, by setting steam accumulator, can reclaim and store steel-making During afterheat steam, it is not necessary to steam is extracted from steam turbine, it is to avoid the waste of steel-making afterheat steam, improves steamer The generated energy of machine, improves economic benefit.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the utility model embodiment, below will be to needed for embodiment description The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings Obtain other accompanying drawings.
Fig. 1 is the structural representation of condensate circulating heater of the present utility model.
Drawing reference numeral explanation:1st, steam turbine;101st, exhaust steam outlet;102nd, steam inlet;12nd, jet chimney;2nd, condenser; 21st, exhaust steam entrance;22nd, water out is condensed;25th, condensing water conduit;3rd, converter;31st, waste heat delivery outlet;34th, the first accumulation of heat pipeline; 4th, steam accumulator;41st, accumulation of heat entrance;42nd, accumulation of heat outlet;45th, the second accumulation of heat pipeline;5th, condensation water heater;51st, condensate Passage;52nd, steam channel;56th, tank pipe;58th, deoxygenation pipeline;6th, water pump;7th, steelshop water tank;8th, oxygen-eliminating device;89th, enter Waterpipe;9th, boiler;91st, steam outlet pipe road;10th, water pump.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.
As shown in figure 1, the utility model provides a kind of condensate circulating heater, including:Steam turbine 1, it has weary Vapor outlet 101 and steam inlet 102;Converter 3, it has waste heat delivery outlet 31;Condenser 2, it has exhaust steam entrance 21 and coagulates Outlet 22 is born water, the exhaust steam entrance 21 is connected with exhaust steam outlet 101 by jet chimney 12;Steam accumulator 4, its tool There are accumulation of heat entrance 41 and accumulation of heat outlet 42, the accumulation of heat entrance 41 is defeated with the waste heat of the converter 3 by the first accumulation of heat pipeline 34 Outlet 31 is connected;Condensation water heater 5, it has condensed water passage 51 and steam channel 52, the one of the condensed water passage 51 End is connected by condensing water conduit 25 with the condensation water out 22 of the condenser 2, and the other end of the condensed water passage 51 leads to Deoxygenation pipeline 58 is crossed to be connected with oxygen-eliminating device 8;One end of the steam channel 52 is gone out by the second accumulation of heat pipeline 45 and the accumulation of heat Mouth 42 is connected, and the other end of the steam channel 52 is connected by tank pipe 56 with steelshop water tank 7;Boiler 9, it passes through Water inlet pipe 89 is connected with the oxygen-eliminating device 8, and the boiler 9 passes through the steam inlet 102 in steam outlet pipe road 91 and the steam turbine 1 Connection.Condensate circulating heater of the present utility model, by setting steam accumulator 4, can reclaim and storage was made steel Afterheat steam in journey, it is not necessary to extract steam from steam turbine 1, it is to avoid the waste of steel-making afterheat steam, improves steam turbine 1 Generated energy, improve economic benefit.
Steam turbine 1 is a thermal power machinery, and its effect is that the steam thermal energy for transmitting boiler changes into mechanical energy, Steam turbine is made up of rotor and cylinder, and many blades are housed on rotor, also there is corresponding blade on cylinder, is dividing plate, rotor leaf A piece level corresponding with cylinder dividing plate composition, how many grade blade is corresponded, material is thus formed vapour with regard to how many dividing plate The energy Switching Core of turbine, the heat energy of high-temperature steam is exactly to change into mechanical energy by this internal structure, continuously High-temperature steam, by steam turbine, with regard to continuously being done work, pushing turbine rotor rotates at a high speed, then with shaft coupling corresponding Mechanical connection get up, just can externally do work.In the present embodiment, as shown in figure 1, steam turbine 1 has an exhaust steam outlet 101 and a steam inlet 102, discharged after high-temperature steam acting calorific potential can steam export 101 rows from the exhaust steam of steam turbine Go out.
Converter 3 is with molten iron, steel scrap, ferroalloy as primary raw material, not by external energy, by iron liquid physical thermal in itself Chemically reacted and between iron liquid component and produce heat and steelmaking process is completed in converter.Converter is mainly for the production of carbon steel, alloy The smelting of steel and copper and mickel.The generation high-temperature steam that converter 3 can be interrupted in steelmaking process, in the present embodiment, converter 3 has Have surplus heat delivery outlet 31, and converter 3 is alkaline basic oxygen furnace, and it has, and speed of production is fast, yield big, single furnace output is high, into This is low, small investment the advantages of, be to use most common steelmaking equipment at present.
Condenser 2 is a kind of heat exchanger that the steam discharge of steam turbine 1 is condensed into water, and also known as steam condenser, there is exhaust steam to enter for it Mouth 21 and condensation water out 22, can be converted into condensate by exhaust steam.Condenser 2 is mainly used in steam turbine power plant, point It is two kinds of water-cooled condenser and air cooling tubes condenser.In the present embodiment, from water-cooled condenser, it constitutes single by shell and tube bank Flow, pipe is copper alloy tube, uses fresh water cooled.Condenser 2 is reused except the exhaust steam that steam turbine 1 is produced is condensed into water Outward, moreover it is possible to vacuum is set up at the steam discharge of steam turbine 1 and vacuum is maintained, so that beneficial to extraction exhaust steam.
Steam accumulator 4, it has accumulation of heat entrance 41 and accumulation of heat outlet 42, and the accumulation of heat entrance 41 passes through the first heat accumulation pipe Road 34 is connected with the waste heat delivery outlet 31 of the converter 3.Specifically, it is generally the case that in Industrial Boiler steam-supplying system if Steam consumption often occurs significantly to fluctuate, and can not only cause boiler pressure, water level to fluctuate up and down, operates boiler operatiopn tired Difficulty, also results in boiler combustion efficiency reduction.It is of the present utility model in this case can be effectively steady using steam accumulator 4 Determine the load of converter 3, improve the service condition of converter 3, the reduction of the efficiency of converter 3 is not made.Steam accumulator 4 has pressure swing type and constant-pressure type two Class, the operating pressure of variable-pressure accumulator changes with the increase and decrease of institute's quantity of heat storage, wherein most typically pressure swing type steam accumulation of heat Device;The operating pressure of constant-pressure type storage heater is constant, wherein the most commonly used with the storage heater that feeds water.Steam accumulator 4 be with water be situated between The storage vapour accumulation of heat steam pressure container of matter, it is to improve steam to be set using a kind of efficient energy-saving and emission-reducing of reliability and economy Standby, steam accumulator 4 is suitable to the larger heating system of vapour load fluctuation, and instantaneous steam consumption has the heating system of larger demand, vapour Source interval is produced or the big heating system of flowed fluctuation is, it is necessary to store steam, in case the heating system for needing at any time or equipment are protected Heating system of temperature etc. uses vapour, can all set up steam accumulator.In the present embodiment, i.e., from pressure variable ssteam heat storage device.
Because of the oxygen dissolved in water, heavy corrosion can be caused to boiler feedwater pipeline, economizer and other auxiliary devices.Deoxygenation Device 8, can not only remove the dissolved oxygen in boiler feedwater, and can remove the carbon dioxide CO dissociated in water2, nitridation hydrogen NH3, sulphur Change hydrogen H2The corrosive gas such as S.Salt content and other impurity will not be increased in water after deoxygenation, water temperature is typically in room temperature condition Under, the oxygen content of water outlet remains to meet regulation requirement.
Boiler 9 is the equipment of the interior energy that the chemical energy of fuel is converted into water, and it passes through water inlet pipe 89 and connects with oxygen-eliminating device 8 Connect, be connected with the steam inlet 102 of steam turbine 1 by steam outlet pipe road 91, by the treated deaerated water of oxygen-eliminating device 8 in boiler 9 In be heated vaporization, high-temperature steam by steam outlet pipe road 91 enter steam turbine 1.
Further, water pump 6 is provided between condensation water heater 5 and steelshop water tank 7, water pump 6 can be extracted quickly The water of the condensation in the steam channel 52 of condensation water heater 5, improves the operating efficiency of condensation water heater 5.
Further, water pump 10 is additionally provided with water inlet pipe 89, to improve the efficiency of the water inlet of boiler 9.
The operation principle of condensate circulating heater of the present utility model is:Condensate circulating-heating of the present utility model It is divided into afterheat steam path inside device and condenses water passage:On the one hand, converter 3 produces the waste heat of interruption to steam in the course of the work Vapour, afterheat steam is discharged from the waste heat delivery outlet 31 of converter 3, and into steam accumulator 4, steam accumulator 4 saves afterheat steam, Afterheat steam is transported to the steam channel 52 in condensation water heater 5 again, afterheat steam condenses into liquid in steam passage 52 State water, finally flows into steelshop water tank, and this is afterheat steam path;On the other hand, the exhaust steam in steam turbine 1 is exported from exhaust steam 101 enter condenser 2 by jet chimney 12, produce condensate, condensate to enter condensation water heater 5 in condenser 2 In condensed water passage 51, condensate is heated by the afterheat steam in steam channel 52, and heated condensate is passed through oxygen-eliminating device 8 and becomes Into deaerated water, deaerated water enters back into boiler 9, and deaerated water is heated into high-temperature steam by boiler 9, and high-temperature steam is passed through steam turbine 1 again, Circulation is realized, this is condensation water passage.Wherein, afterheat steam path and condensation water passage realize heat in condensation water heater 5 Exchange.
Condensate circulating heater of the present utility model, by setting steam accumulator 4, can reclaim and store steel-making During afterheat steam, it is not necessary to extract steam from steam turbine 1 and carry out heat-setting water, it is to avoid the wave of steel-making afterheat steam Take, improve the generated energy of steam turbine 1, improve economic benefit.
The schematical specific embodiment of the utility model is the foregoing is only, model of the present utility model is not limited to Enclose.Any those skilled in the art, the done equivalent change on the premise of design of the present utility model and principle is not departed from Change and change, the scope of the utility model protection all should be belonged to.

Claims (8)

1. a kind of condensate circulating heater, it is characterised in that the condensate circulating heater includes:
Steam turbine, it has exhaust steam outlet and steam inlet;
Converter, it has waste heat delivery outlet;
Condenser, it has exhaust steam entrance and condenses water out, and the exhaust steam entrance passes through jet chimney with exhaust steam outlet It is connected;
Steam accumulator, there is accumulation of heat entrance and accumulation of heat to export for it, and the accumulation of heat entrance passes through the first accumulation of heat pipeline with described turn The waste heat delivery outlet connection of stove;
Condensation water heater, its one end with condensed water passage and steam channel, the condensed water passage passes through condensate pipe Road is connected with the condensation water out of the condenser, and the other end of the condensed water passage is connected by deoxygenation pipeline with oxygen-eliminating device Connect;One end of the steam channel is exported with the accumulation of heat by the second accumulation of heat pipeline and is connected, the other end of the steam channel It is connected with steelshop water tank by tank pipe;
Boiler, it passes through water inlet pipe and is connected with the oxygen-eliminating device, and the boiler passes through the steaming in steam outlet pipe road and the steam turbine Vapour entrance is connected.
2. condensate circulating heater as claimed in claim 1, it is characterised in that the condensation water heater and the refining Water pump is provided between the water tank of steel workshop, the water pump is connected on the tank pipe.
3. condensate circulating heater as claimed in claim 1, it is characterised in that the condenser is water-cooled condenser.
4. condensate circulating heater as claimed in claim 1, it is characterised in that the steam accumulator is that pressure swing type steams Vapour storage heater.
5. condensate circulating heater as claimed in claim 1, it is characterised in that the oxygen-eliminating device is low pressure oxygen-eliminating device.
6. condensate circulating heater as claimed in claim 1, it is characterised in that the condensation water heater is solidifying for low pressure Bear water heater.
7. condensate circulating heater as claimed in claim 1, it is characterised in that the converter is that alkaline oxygen top blast turns Stove.
8. condensate circulating heater as claimed in claim 1, it is characterised in that the water inlet pipe is provided with water pump.
CN201621340452.5U 2016-12-07 2016-12-07 Condensate circulating heater Active CN206247310U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621340452.5U CN206247310U (en) 2016-12-07 2016-12-07 Condensate circulating heater

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Application Number Priority Date Filing Date Title
CN201621340452.5U CN206247310U (en) 2016-12-07 2016-12-07 Condensate circulating heater

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CN206247310U true CN206247310U (en) 2017-06-13

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CN201621340452.5U Active CN206247310U (en) 2016-12-07 2016-12-07 Condensate circulating heater

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106765036A (en) * 2016-12-07 2017-05-31 北京京诚科林环保科技有限公司 Condensate circulating heater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106765036A (en) * 2016-12-07 2017-05-31 北京京诚科林环保科技有限公司 Condensate circulating heater

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