CN113430310A - Slag flushing water treatment system and method - Google Patents
Slag flushing water treatment system and method Download PDFInfo
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- CN113430310A CN113430310A CN202110748649.1A CN202110748649A CN113430310A CN 113430310 A CN113430310 A CN 113430310A CN 202110748649 A CN202110748649 A CN 202110748649A CN 113430310 A CN113430310 A CN 113430310A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/08—Cooling slag
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
- C21B2400/022—Methods of cooling or quenching molten slag
- C21B2400/024—Methods of cooling or quenching molten slag with the direct use of steam or liquid coolants, e.g. water
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
- C21B2400/032—Separating slag from liquid, e.g. from water, after quenching
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/08—Treatment of slags originating from iron or steel processes with energy recovery
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a slag flushing water treatment system, which comprises a plurality of slag flushing water treatment units, a heat exchange unit, a circulating water unit, a cold water tank unit and a six-in-one unit, wherein the plurality of slag flushing water treatment units comprise a blast furnace, a slag flushing water tank, a branch pipe and a slag flushing water inlet pipe, the invention also discloses a treatment method adopting the slag flushing water treatment system, and the treatment method comprises the following steps: standing and separating slag flushing water; the upper layer high-temperature clear water is collected to the slag flushing water inlet pipe through the branch pipe; the high-temperature clean water transfers heat to the circulating water unit; the invention provides a slag flushing water treatment system and a treatment method, wherein a slag flushing water tank is used for separating slag from high-temperature clean water so as to complete treatment of slag and heat in slag flushing water, meanwhile, a corresponding treatment method is also provided for transferring the heat of the slag flushing water to a six-in-one machine unit, and the six-in-one machine unit is used for completing conversion of the heat and electric energy.
Description
Technical Field
The invention relates to the technical field of slag flushing water treatment, in particular to a slag flushing water treatment system and a slag flushing water treatment method.
Background
In the iron-making and steel-making process, the temperature of slag discharged from a furnace is usually 800-1000 ℃, the blast furnace slag is cooled by water spraying at present, 11.2 tons of water are consumed for treating 1 ton of slag, the circulating water consumption is about 10 tons, 1.2 tons of water are evaporated, and a large amount of harmful gas and dust are discharged, so that serious environmental pollution is caused.
The appearance of the six-in-one machine, namely the low-temperature supercritical water circulation power generation equipment, provides possibility for solving low-temperature thermoelectric conversion, and makes the six-in-one machine possible to solve the problem of heat energy recovery of slag flushing water.
Disclosure of Invention
The invention provides a slag flushing water treatment system and a slag flushing water treatment method, aiming at solving the problem that reasonable technical means are lacked for the treatment of slag flushing water in the prior art.
The utility model provides a slag flushing water processing system, includes a plurality of slag flushing water processing unit, heat transfer unit, circulating water unit, cold water pond unit and six closes quick-witted unit, and is a plurality of slag flushing water processing unit all with heat transfer unit connects, and all passes through heat transfer unit with the circulating water unit cooperation, circulating water unit then with the both ends of six closes quick-witted unit are connected, cold water pond unit then set up in heat transfer unit's output, a plurality of slag flushing water processing unit all includes blast furnace, slag flushing pond, bypass pipe and slag flushing inlet tube, the slag flushing pond with the output of blast furnace is connected, just the slag flushing pond passes through bypass pipe with the slag flushing advances water piping connection, bypass pipe all with the slag flushing advances water piping connection, and pass through the slag flushing inlet tube with heat transfer unit connects.
The cold water tank unit comprises a cold water tank and a slag flushing water outlet pipe, the slag flushing water outlet pipe is arranged at the output end of the heat exchange unit, and the cold water tank is connected with the heat exchange unit through the slag flushing water outlet pipe.
The circulating water unit comprises a low-temperature water storage tank, a high-temperature water storage tank and a conveying pipeline, the input end of the low-temperature water storage tank is connected with the six-in-one unit, the output end of the low-temperature water storage tank is connected with the heat exchange unit, the input end of the high-temperature water storage tank is connected with the heat exchange unit through the conveying pipeline, and the output end of the high-temperature water storage tank is connected with the six-in-one unit.
The six-in-one machine unit comprises a plurality of six-in-one machines, a movable board room and a standby six-in-one machine which are connected in parallel, the six-in-one machines are divided into a plurality of parts, the six-in-one machines are respectively connected with the low-temperature water storage tank and the high-temperature water storage tank, the standby six-in-one machine is also respectively connected with the low-temperature water storage tank and the high-temperature water storage tank, and the movable board room is arranged on the outer sides of the six-in-one machines and the standby six-in-one machines.
The six-in-one machine and the standby six-in-one machine respectively comprise a machine body, a water inlet pipeline and a water outlet pipeline, the water inlet pipeline is connected with the machine body and the high-temperature water storage tank, and the water outlet pipeline is connected with the machine body and the low-temperature water storage tank.
The invention also provides a treatment method adopting the slag flushing water treatment system, which comprises the following steps:
overflowing the slag flushing water from the blast furnace to a slag flushing water tank and standing until the slag in the slag flushing water is separated from high-temperature clear water;
pumping high-temperature clear water on the upper layer of the slag flushing water tank into a branch pipe by an external water pump, and collecting the clear water to a slag flushing water inlet pipe through the branch pipe;
the low-temperature water storage tank sends low-temperature purified water to the heat exchanger unit through a conveying pipeline, meanwhile, high-temperature clear water in the slag flushing water inlet pipe is sent to the heat exchanger unit, heat of the high-temperature clear water is transferred to the low-temperature purified water through the heat exchanger unit, the low-temperature clear water after heat transfer is sent to the cold water pool unit to be stored, the low-temperature purified water is recycled after slag flushing, and the low-temperature purified water after heat receiving is changed into high-temperature purified water to be stored in the high-temperature water storage tank;
the high-temperature water storage tank sends the high-temperature purified water to the heat exchange structure of the six-in-one machine for heat exchange so as to generate electricity and prepare the low-temperature purified water.
The invention has the beneficial effects that: the slag flushing water treatment system and the treatment method separate slag from high-temperature clear water by using a slag flushing water tank, send the high-temperature clear water to a heat exchange unit to transfer heat to a circulating water unit, thereby reducing the heat in the slag flushing water, further finishing the treatment of the slag and the heat in the slag flushing water, and avoiding the application of sensible heat of the slag flushing water in the prior art.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a slag flushing water treatment system of the present invention.
FIG. 2 is a schematic structural diagram of a slag flushing water treatment system of the present invention when the number of blast furnaces is 1.
FIG. 3 is a schematic structural diagram of a slag flushing water treatment system of the present invention when the number of blast furnaces is 2.
FIG. 4 is a schematic structural diagram of a slag flushing water treatment system of the present invention when the number of blast furnaces is N.
FIG. 5 is a schematic view of the operation steps of the treatment method of the slag flushing water treatment system.
10-slag flushing water treatment unit, 20-heat exchange unit, 30-circulating water unit, 40-cold water pool unit, 50-six-unit machine unit, 11-blast furnace, 12-slag flushing water pool, 13-branch flow pipe, 14-slag flushing water inlet pipe, 31-low temperature water storage tank, 32-high temperature water storage tank, 33-conveying pipeline, 41-cold water pool, 42-slag flushing water outlet pipe, 51-six-unit machine, 52-movable board house, 53-standby six-unit machine, 511-machine body, 512-water inlet pipeline, 513-water outlet pipeline, 514-high temperature inlet and 515-low temperature outlet.
In the description of the present invention, "six-in-one machine" is a generic name given to low-temperature supercritical water-cycle power generation equipment, and is not a product trademark.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, "six-in-one machine" is a generic name given to low-temperature supercritical water-cycle power generation equipment, and is not a product trademark.
Referring to fig. 1 to 5, the present invention provides a technical solution:
a slag flushing water treatment system comprises a plurality of slag flushing water treatment units 10, a heat exchange unit 20, a circulating water unit 30, a cold water pool unit 40 and a six-in-one unit 50, wherein the slag flushing water treatment units 10 are all connected with the heat exchange unit 20, and are matched with the circulating water unit 30 through the heat exchange unit 20, the circulating water unit 30 is connected with two ends of the six-in-one machine unit 50, the cold water tank unit 40 is arranged at the output end of the heat exchange unit 20, the slag flushing water treatment units 10 respectively comprise a blast furnace 11, a slag flushing water tank 12, a branch pipe 13 and a slag flushing water inlet pipe 14, the slag flushing water tank 12 is connected with the output end of the blast furnace 11, and the slag flushing water tank 12 is connected with the slag flushing water inlet pipe 14 through the branch pipe 13, the branch pipes 13 are connected with the slag flushing water inlet pipe 14 and are connected with the heat exchange unit 20 through the slag flushing water inlet pipe 14.
In the present embodiment, the slag flushing water treatment unit 10 is used for treating slag and heat in the slag flushing water, so that the slag flushing water can enter the cold water tank unit 40, thereby facilitating the recycling of the subsequent slag flushing water, the heat exchange unit 20 is used for transferring the heat of the slag flushing water treated by the slag flushing water tank 12 to the circulating water unit 30, the slag flushing water tank 12 separates slag and high-temperature clean water, the circulating water unit 30 promotes the heat of the internal water through the heat exchange unit 20, and the purified water with heat is sent to the six-in-one machine unit 50 to complete the conversion from heat energy to electric energy, the blast furnace 11 is used for generating slag, the slag flushing water flushes the slag to generate high-temperature slag flushing water, the branch flow pipe 13 is used for collecting and conveying the high-temperature slag flushing water to the heat exchange unit 20, the slag flushing water inlet pipe 14 is used for sending the converged high-temperature slag flushing water to the heat exchange unit 20.
Further, the circulating water unit 30 includes a low-temperature water storage tank 31, a high-temperature water storage tank 32 and a conveying pipeline 33, an input end of the low-temperature water storage tank 31 is connected to the six-in-one machine unit 50, an output end of the low-temperature water storage tank 31 is connected to the heat exchange unit 20, an input end of the high-temperature water storage tank 32 is connected to the heat exchange unit 20 through the conveying pipeline 33, and an output end of the high-temperature water storage tank 32 is connected to the six-in-one machine unit 50.
In the present embodiment, the low temperature water storage tank 31 is used for storing and circulating low temperature purified water, and the high temperature water storage tank 32 is used for storing and circulating high temperature purified water, and through the delivery line 33, so that the low temperature purified water can be changed into high temperature purified water by the heat exchange unit 20 and stored in the high temperature water storage tank 32.
Further, the cold water tank unit 40 includes a cold water tank 41 and a flushing slag outlet pipe 42, the flushing slag outlet pipe 42 is disposed at the output end of the heat exchange unit 20, and the cold water tank 41 is connected to the heat exchange unit 20 through the flushing slag outlet pipe 42.
In this embodiment, the cold water tank 41 is configured to store and circulate the processed slag flushing water, and the slag flushing water outlet pipe 42 is configured to send the slag flushing water processed by the heat exchange unit 20 to the cold water tank 41 for subsequent circulation.
Further, the six-in-one machine unit 50 comprises a plurality of six-in-one machines 51, a movable board house 52 and a standby six-in-one machine 53 which are connected in parallel, the plurality of six-in-one machines 51 are respectively connected with the low-temperature water storage tank 31 and the high-temperature water storage tank 32, the standby six-in-one machine 53 is also respectively connected with the low-temperature water storage tank 31 and the high-temperature water storage tank 32, and the movable board house 52 is arranged on the outer sides of the six-in-one machines 51 and the standby six-in-one machine 53.
In this embodiment, high temperature pure water gets into through airtight pipeline heat exchange unit 20, six quick-witted 51 uses liquid carbon dioxide as heat transfer working medium, and liquid carbon dioxide absorbs the heat in the high temperature pure water in a large number and becomes supercritical state, guarantees six quick-witted 51 with the invariable temperature of heat transfer unit 20's delivery port through calculating the heat transfer area of setting for, and then utilizes six quick-witted 51 to cool off and heat recovery utilizes the electricity generation to handle, activity board house 52 is used for the protection six quick-witted 51, reserve six quick-witted 53 then acts as the replenishment to six quick-witted 51 parallelly connected, just reserve six quick-witted 53 also with six quick-witted 51 is parallelly connected, in this application six quick-witted 51 with reserve six quick-witted 53 is prior art, see the patent number for details: ZL201510275297.7, and an energy conversion method adopting the principle of a self-pressure-relief heat pipe and an engine with the self-pressure-relief heat pipe, and the patent numbers of the engine are as follows: the two patents zl201810814417.x use the heat energy conversion principle of the self-pressure-relief heat pipe as a main technical circuit to realize thermoelectric conversion under low temperature conditions, so the structures of the two patents are not described in detail in the application.
Further, each of the six-in-one machine 51 and the standby six-in-one machine 53 has a high-temperature inlet 514 and a low-temperature outlet 515, the high-temperature inlet 514 and the low-temperature outlet 515 are both disposed on the same side of the six-in-one machine 51 and the standby six-in-one machine 53, the high-temperature inlet 514 is connected with the high-temperature water storage tank 32, and the low-temperature outlet 515 is connected with the low-temperature water storage tank 31.
In this embodiment, the high temperature inlet 514 is used for inputting high temperature pure water from the high temperature water storage tank 32, and the low temperature outlet 515 is used for outputting low temperature pure water to the low temperature water storage tank 31.
Further, each of the six-in-one machines 51 and the standby six-in-one machines 53 comprises a machine body 511, a water inlet pipeline 512 and a water outlet pipeline 513, wherein the water inlet pipeline 512 is connected with the machine body 511 and the high-temperature water storage tank 32, and the water outlet pipeline 513 is connected with the machine body 511 and the low-temperature water storage tank 31.
In this embodiment, the six-in-one machine 51 may be a single cooling machine set composed of one six-in-one machine 51 of one water inlet and outlet pipeline 513, a composite cooling machine set composed of a plurality of six-in-one machines 51 of one water inlet and outlet pipeline 513, or a system composed of a plurality of single cooling machine sets and composite machines 51, and the water inlet pipeline 512 and the water outlet pipeline 513 are used for delivering purified water.
The invention also provides a treatment method adopting the slag flushing water treatment system, which comprises the following steps:
s101: overflowing the slag washing water from the blast furnace 11 to a slag washing water tank 12 and standing until the slag in the slag washing water is separated from high-temperature clear water;
s102: pumping the high-temperature clear water on the upper layer of the slag flushing water tank 12 into a branch pipe 13 by an external water pump, and collecting the clear water to a slag flushing water inlet pipe 14 through the branch pipe 13;
s103: the low-temperature water storage tank 31 sends low-temperature purified water to the heat exchanger unit through a conveying pipeline 33, meanwhile, high-temperature clean water in the slag flushing water inlet pipe 14 is sent to the heat exchanger unit, heat of the high-temperature clean water is transferred to the low-temperature purified water through the heat exchanger unit, the low-temperature clean water after heat transfer is sent to the cold water pool unit 40 to be stored, so that slag flushing is cooled for recycling, and the low-temperature purified water after heat receiving is changed into high-temperature purified water to be stored in the high-temperature water storage tank 32;
s104: the high-temperature water storage tank 32 generates power by sending high-temperature purified water to the heat exchange structure of the six-in-one machine 51 for heat exchange, and produces low-temperature purified water.
Further, when preparing low-temperature purified water, each six-in-one machine 51 is connected to at least one water inlet pipe 512 and at least one water outlet pipe 513.
Further, the working medium of the six-in-one machine 51 is liquid CO2And water.
Further, the temperature range of the slag flushing water is 60-85 ℃, the temperature of the high-temperature purified water is constant at 60 ℃, the temperature of the low-temperature purified water is constant at 30 ℃, and the temperature of the low-temperature clear water is constant at 40 ℃.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a slag flushing water processing system, its characterized in that includes a plurality of slag flushing water processing unit, heat transfer unit, circulating water unit, cold water pond unit and six machine units, and is a plurality of slag flushing water processing unit all with heat transfer unit connects, and all passes through heat transfer unit with the cooperation of circulating water unit, circulating water unit then with the both ends of six machine units are connected, cold water pond unit then set up in heat transfer unit's output, it is a plurality of slag flushing water processing unit all includes blast furnace, slag flushing pond, lateral flow pipe and slag flushing inlet tube, the slag flushing pond with the output of blast furnace is connected, just the slag flushing pond passes through lateral flow pipe with the slag flushing inlet tube is connected, lateral flow pipe all with the slag flushing inlet tube is connected, and pass through the slag flushing inlet tube with heat transfer unit connects.
2. The slag flushing water treatment system of claim 1, wherein the cold water tank unit comprises a cold water tank and a slag flushing water outlet pipe, the slag flushing water outlet pipe is arranged at the output end of the heat exchange unit, and the cold water tank is connected with the heat exchange unit through the slag flushing water outlet pipe.
3. The slag washing water treatment system of claim 1, wherein the circulating water unit comprises a low-temperature water storage tank, a high-temperature water storage tank and a conveying pipeline, an input end of the low-temperature water storage tank is connected with the six-in-one unit, an output end of the low-temperature water storage tank is connected with the heat exchange unit, an input end of the high-temperature water storage tank is connected with the heat exchange unit through the conveying pipeline, and an output end of the high-temperature water storage tank is connected with the six-in-one unit.
4. The slag washing water treatment system of claim 3, wherein the six-in-one machine unit comprises a plurality of six-in-one machines connected in parallel, a movable board room and a standby six-in-one machine, the plurality of six-in-one machines are respectively connected with the low-temperature water storage tank and the high-temperature water storage tank, the standby six-in-one machine is also respectively connected with the low-temperature water storage tank and the high-temperature water storage tank, and the movable board room is arranged at the outer sides of the six-in-one machines and the standby six-in-one machine.
5. The sluicing water treatment system of claim 4, wherein each of the six shut-in machines and the standby shut-in machine comprises a machine body, a water inlet pipeline and a water outlet pipeline, the water inlet pipeline is connected with the machine body and the high-temperature water storage tank, and the water outlet pipeline is connected with the machine body and the low-temperature water storage tank.
6. The treatment method using the slag washing water treatment system as claimed in claim 5, characterized by comprising the steps of:
overflowing the slag flushing water from the blast furnace to a slag flushing water tank and standing until the slag in the slag flushing water is separated from high-temperature clear water;
pumping high-temperature clear water on the upper layer of the slag flushing water tank into a branch pipe by an external water pump, and collecting the clear water to a slag flushing water inlet pipe through the branch pipe;
the low-temperature water storage tank sends low-temperature purified water to the heat exchanger unit through a conveying pipeline, meanwhile, high-temperature clear water in the slag flushing water inlet pipe is sent to the heat exchanger unit, heat of the high-temperature clear water is transferred to the low-temperature purified water through the heat exchanger unit, the low-temperature clear water after heat transfer is sent to the cold water pool unit to be stored, the low-temperature purified water is recycled after slag flushing, and the low-temperature purified water after heat receiving is changed into high-temperature purified water to be stored in the high-temperature water storage tank;
the high-temperature water storage tank sends the high-temperature purified water to the heat exchange structure of the six-in-one machine for heat exchange so as to generate electricity and prepare the low-temperature purified water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110748649.1A CN113430310A (en) | 2021-07-02 | 2021-07-02 | Slag flushing water treatment system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110748649.1A CN113430310A (en) | 2021-07-02 | 2021-07-02 | Slag flushing water treatment system and method |
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| CN113430310A true CN113430310A (en) | 2021-09-24 |
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| CN202110748649.1A Withdrawn CN113430310A (en) | 2021-07-02 | 2021-07-02 | Slag flushing water treatment system and method |
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|---|---|---|---|---|
| JPS5755301A (en) * | 1980-09-22 | 1982-04-02 | Rasa Corp | Power generation method in granulated slag production process |
| CN101418999A (en) * | 2008-09-28 | 2009-04-29 | 江阴市石油化工设备有限公司 | Method for recovering cooling residual heat using CO2 as working substance in chemical process |
| CN201390755Y (en) * | 2009-04-13 | 2010-01-27 | 杭州锅炉集团股份有限公司 | Surplus heat recovery system of blast furnace slag washing water |
| CN101792830A (en) * | 2010-01-26 | 2010-08-04 | 北京首钢国际工程技术有限公司 | Method and device for collecting steam of flushing cinder and afterheat of hot water in iron-making blast furnace |
| CN102607310A (en) * | 2012-04-01 | 2012-07-25 | 昆明理工大学 | Transporting utilizing method of low-temperature excess heat of iron and steel enterprises |
| CN203653589U (en) * | 2013-11-01 | 2014-06-18 | 孟宁 | Low-temperature type organic rankin cycle power generating equipment for generating power by using waste heat of blast-furnace slag flushing water |
| CN110468242A (en) * | 2019-08-02 | 2019-11-19 | 天津华赛尔传热设备有限公司 | A kind of blast furnace slag quenching water is independently fetched water residual neat recovering system |
| CN111852601A (en) * | 2019-04-26 | 2020-10-30 | 赫普能源环境科技有限公司 | LNG cold energy CO2Working medium circulation power generation system and power generation method |
-
2021
- 2021-07-02 CN CN202110748649.1A patent/CN113430310A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5755301A (en) * | 1980-09-22 | 1982-04-02 | Rasa Corp | Power generation method in granulated slag production process |
| CN101418999A (en) * | 2008-09-28 | 2009-04-29 | 江阴市石油化工设备有限公司 | Method for recovering cooling residual heat using CO2 as working substance in chemical process |
| CN201390755Y (en) * | 2009-04-13 | 2010-01-27 | 杭州锅炉集团股份有限公司 | Surplus heat recovery system of blast furnace slag washing water |
| CN101792830A (en) * | 2010-01-26 | 2010-08-04 | 北京首钢国际工程技术有限公司 | Method and device for collecting steam of flushing cinder and afterheat of hot water in iron-making blast furnace |
| CN102607310A (en) * | 2012-04-01 | 2012-07-25 | 昆明理工大学 | Transporting utilizing method of low-temperature excess heat of iron and steel enterprises |
| CN203653589U (en) * | 2013-11-01 | 2014-06-18 | 孟宁 | Low-temperature type organic rankin cycle power generating equipment for generating power by using waste heat of blast-furnace slag flushing water |
| CN111852601A (en) * | 2019-04-26 | 2020-10-30 | 赫普能源环境科技有限公司 | LNG cold energy CO2Working medium circulation power generation system and power generation method |
| CN110468242A (en) * | 2019-08-02 | 2019-11-19 | 天津华赛尔传热设备有限公司 | A kind of blast furnace slag quenching water is independently fetched water residual neat recovering system |
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