CN214937614U - Remelting steelmaking furnace with waste heat recovery function - Google Patents

Remelting steelmaking furnace with waste heat recovery function Download PDF

Info

Publication number
CN214937614U
CN214937614U CN202120350540.8U CN202120350540U CN214937614U CN 214937614 U CN214937614 U CN 214937614U CN 202120350540 U CN202120350540 U CN 202120350540U CN 214937614 U CN214937614 U CN 214937614U
Authority
CN
China
Prior art keywords
furnace body
heat
preservation box
electric steel
waste heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202120350540.8U
Other languages
Chinese (zh)
Inventor
葛龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian Yuandong Special Steel Co ltd
Original Assignee
Dalian Yuandong Special Steel Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dalian Yuandong Special Steel Co ltd filed Critical Dalian Yuandong Special Steel Co ltd
Priority to CN202120350540.8U priority Critical patent/CN214937614U/en
Application granted granted Critical
Publication of CN214937614U publication Critical patent/CN214937614U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • Y02P10/20Recycling
    • 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

Abstract

The utility model discloses a remelting steel-making furnace with a waste heat recovery function, in particular to the technical field of steel-making furnaces, which comprises an electric steel-making furnace body, wherein the outer end of the electric steel-making furnace body is provided with a waste heat recovery mechanism; the waste heat recovery mechanism comprises a first heat preservation box, a second heat preservation box is arranged on one side of the first heat preservation box, two liquid conveying pipelines are fixedly arranged at the top end inside the electric steel furnace body, a heat conduction plate is fixedly arranged at the outer ends of the liquid conveying pipelines, two heat insulation plates are fixedly arranged at the top end inside the first heat preservation box, a first three-way joint is fixedly arranged at the water inlet end of each liquid conveying pipeline, and a second three-way joint is fixedly arranged at the water outlet end of each liquid conveying pipeline. The utility model discloses a waste heat recovery mechanism can make full use of the inside waste heat of electricity steelmaking furnace body to and the heat energy of electricity steelmaking furnace body outer end, and can play the radiating effect of cooling to the electricity steelmaking furnace body, the resource obtains effective utilization.

Description

Remelting steelmaking furnace with waste heat recovery function
Technical Field
The embodiment of the utility model provides a steel-making furnace technical field, concretely relates to steel-making furnace refuses with waste heat recovery function.
Background
Electric furnace steelmaking mainly utilizes arc heat, the temperature in an arc action area is as high as 4000 ℃, the smelting process is generally divided into a melting period, an oxidation period and a reduction period, and an oxidation atmosphere and a reduction atmosphere can be generated in the furnace, so that the dephosphorization and desulfurization efficiency is high.
The prior art has the following defects: most remelting and steelmaking furnaces are not provided with a waste heat recovery structure, the waste heat temperature of the remelting and steelmaking furnace is high, the waste heat duration is long, heat dissipation is difficult, and resources are wasted.
Disclosure of Invention
Therefore, the embodiment of the utility model provides a steel-making furnace refuses with waste heat recovery function, can make full use of the inside waste heat of steel-making furnace body through waste heat recovery mechanism, and the heat energy of electric steel-making furnace body outer end, and can play the radiating effect of cooling to the electric steel-making furnace body, the resource obtains effective utilization, because most of steel-making furnaces refuses do not set up waste heat recovery's structure among the solution prior art, the waste heat temperature that leads to steel-making furnace refuses is higher and duration is longer, be difficult to the problem that heat dissipation and resource production are extravagant.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a remelting steelmaking furnace with a waste heat recovery function comprises an electric steelmaking furnace body, wherein a waste heat recovery mechanism is arranged at the outer end of the electric steelmaking furnace body;
the waste heat recovery mechanism comprises a first heat preservation box, the electric steel furnace body is arranged in the first heat preservation box, the bottom end of the electric steel furnace body is fixedly connected with the bottom end in the first heat preservation box, one side of the first heat preservation box is provided with a second heat preservation box, the top end in the electric steel furnace body is fixedly provided with two liquid conveying pipelines, the outer ends of the two liquid conveying pipelines are fixedly provided with heat conduction plates, the two heat conduction plates are arranged in the first heat preservation box, the top end in the first heat preservation box is fixedly provided with two heat insulation plates, the top ends of the two heat conduction plates are respectively contacted with the bottom ends of the two heat insulation plates, the water inlet ends of the two liquid conveying pipelines are fixedly provided with a first three-way joint, the water outlet ends of the two liquid conveying pipelines are fixedly provided with a second three-way joint, and the water inlet ends and the water outlet ends of the two liquid conveying pipelines are respectively fixedly provided with a first switch valve, the electric steel furnace is characterized in that a protective net is fixedly arranged at the top end inside the electric steel furnace body, a gas conveying pipeline is fixedly arranged inside the electric steel furnace body, the bottom end of the gas conveying pipeline is arranged inside the protective net, the top end of the gas conveying pipeline penetrates through the electric steel furnace body and extends into the second heat insulation box, and a second switch valve is fixedly arranged on the gas conveying pipeline.
Furthermore, a plurality of first supporting legs are fixedly arranged at the bottom end of the first heat preservation box.
Furthermore, a base is fixedly arranged at the bottom end of the first support legs.
Furthermore, a plurality of second supporting legs are fixedly arranged at the bottom ends of the second heat preservation boxes, and the bottom ends of the second supporting legs are fixedly connected with the top end of the base.
Further, a fixed base is fixedly arranged at the bottom end inside the second heat preservation box, a heat preservation barrel is arranged inside the second heat preservation box, the bottom end of the heat preservation barrel is connected inside the fixed base in a clamping mode, box doors are arranged at the top ends of the second heat preservation box and the heat preservation barrel, and the second heat preservation box, the heat preservation barrel and the box doors are hinged through hinges.
Furthermore, a water inlet pipeline is fixedly arranged on one side of the fixing base, a water outlet pipeline is fixedly arranged on one side of the fixing base, the water outlet pipeline is arranged at the bottom of the water inlet pipeline, and third switch valves are fixedly arranged on the water inlet pipeline and the water outlet pipeline.
Further, an output pipeline is fixedly arranged on one side of the electric steel furnace body, one end of the output pipeline penetrates through the electric steel furnace body and extends to the outer end of the electric steel furnace body, and a fourth switch valve is fixedly arranged on the outer end of the output pipeline.
Further, a control panel is fixedly arranged at the front end of the electric steel furnace body and is electrically connected with the electric steel furnace body.
The embodiment of the utility model provides a have following advantage:
the utility model can reduce the temperature of the outer end of the electric steel furnace body by exchanging heat between the water in the liquid conveying pipeline and the heat energy at the outer end of the electric steel furnace body, plays a role in heat dissipation and cooling of the electric steel furnace body, heats the water in the liquid conveying pipeline, opens the second switch valve on the gas conveying pipeline, conveys the hot air in the electric steel furnace body to the inside of the second insulation can through the gas conveying pipeline, is communicated with an external water source through the gas conveying pipeline, stores the water in the second insulation can, heats the water in the second insulation can through the hot air, heats the water in the second insulation can, and then preserves the heat of the materials in the insulation can through the hot water, compared with the prior art, can fully utilize the residual heat in the electric steel furnace body and the heat energy at the outer end of the electric steel furnace body, and can play a role in cooling and heat dissipation of the electric steel furnace body, resources are effectively utilized.
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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of the overall structure provided by the present invention;
fig. 2 is a cross-sectional view of a first heat preservation box provided by the present invention;
fig. 3 is a sectional view of a second incubator provided by the present invention;
fig. 4 is a top view of the liquid conveying pipeline provided by the present invention;
FIG. 5 is a perspective view of a heat shield provided by the present invention;
in the figure: 1 electric steel furnace body, 2 first insulation boxes, 3 second insulation boxes, 4 protective nets, 5 gas conveying pipelines, 6 insulation boards, 7 liquid conveying pipelines, 8 heat conducting plates, 9 first three-way joints, 10 second three-way joints, 11 control panels, 12 output pipelines, 13 fixed bases, 14 insulation barrels, 15 water inlet pipelines, 16 water outlet pipelines, 17 first supporting legs, 18 second supporting legs and 19 bases.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to the attached figures 1-5 of the specification, the remelting steelmaking furnace with the waste heat recovery function comprises an electric steelmaking furnace body 1, wherein a waste heat recovery mechanism is arranged at the outer end of the electric steelmaking furnace body 1;
the waste heat recovery mechanism comprises a first heat-preservation box 2, the electric steel-making furnace body 1 is arranged in the first heat-preservation box 2, the bottom end of the electric steel-making furnace body 1 is fixedly connected with the bottom end in the first heat-preservation box 2, one side of the first heat-preservation box 2 is provided with a second heat-preservation box 3, the top end in the electric steel-making furnace body 1 is fixedly provided with two liquid conveying pipelines 7, the outer ends of the two liquid conveying pipelines 7 are fixedly provided with heat-conducting plates 8, the two heat-conducting plates 8 are arranged in the first heat-preservation box 2, the top end in the first heat-preservation box 2 is fixedly provided with two heat-insulating plates 6, the top ends of the two heat-conducting plates 8 are respectively contacted with the bottom ends of the two heat-insulating plates 6, the water inlet ends of the two liquid conveying pipelines 7 are fixedly provided with a first three-way joint 9, the water outlet ends of the two liquid conveying pipelines 7 are fixedly provided with a second three-way joint 10, and the water inlet ends and the water outlet ends of the two liquid conveying pipelines 7 are fixedly provided with first switch valves, the electric steel furnace comprises an electric steel furnace body 1, a protective screen 4 is fixedly arranged at the top end inside the electric steel furnace body 1, a gas conveying pipeline 5 is fixedly arranged inside the electric steel furnace body 1, the bottom end of the gas conveying pipeline 5 is arranged inside the protective screen 4, the top end of the gas conveying pipeline 5 penetrates through the electric steel furnace body 1 and extends to the inside of a second heat insulation box 3, and a second switch valve is fixedly arranged on the gas conveying pipeline 5.
Further, a plurality of first supporting legs 17 are fixedly arranged at the bottom end of the first heat preservation box 2, and the first supporting legs 17 support the first heat preservation box 2.
Furthermore, a base 19 is fixedly arranged at the bottom end of the first support legs 17, and the base 19 supports the first support legs 17 and the second support legs 18.
Furthermore, a plurality of second supporting legs 18 are fixedly arranged at the bottom end of the second heat preservation box 3, the bottom ends of the plurality of second supporting legs 18 are fixedly connected with the top end of the base 19, and the second supporting legs 18 support the second heat preservation box 3.
Further, a fixed base 13 is fixedly arranged at the bottom end inside the second heat preservation box 3, a heat preservation barrel 14 is arranged inside the second heat preservation box 3, the bottom end of the heat preservation barrel 14 is connected with the inside of the fixed base 13 in a clamping mode, box doors are arranged at the top ends of the second heat preservation box 3 and the top end of the heat preservation barrel 14 respectively, the second heat preservation box 3 and the heat preservation barrel 14 are hinged to the box doors through hinges, the second heat preservation box 3 is used for storing water, and the fixed base 13 is used for storing materials.
Furthermore, a water inlet pipeline 15 is fixedly arranged on one side of the fixed base 13, a water outlet pipeline 16 is fixedly arranged on one side of the fixed base 13, the water outlet pipeline 16 is arranged at the bottom of the water inlet pipeline 15, third switch valves are fixedly arranged on the water inlet pipeline 15 and the water outlet pipeline 16, the water inlet pipeline 15 is used for water inlet, and the water outlet pipeline 16 is used for water outlet.
Further, an output pipeline 12 is fixedly arranged on one side of the electric steel furnace body 1, one end of the output pipeline 12 penetrates through the electric steel furnace body 1 and extends to the outer end of the electric steel furnace body 1, a fourth switch valve is fixedly arranged at the outer end of the output pipeline 12, and the output pipeline 12 is convenient for conveying materials inside the electric steel furnace body 1 out of the electric steel furnace body 1.
Further, a control panel 11 is fixedly arranged at the front end of the electric steel furnace body 1, the control panel 11 is electrically connected with the electric steel furnace body 1, and the electric steel furnace body 1 is controlled to work by the control panel 11.
The implementation scenario is specifically as follows: firstly, a worker can connect the water inlet ends of the two liquid conveying pipelines 7 with a water source and connect the water outlet ends of the two liquid conveying pipelines 7 with a box body for storing water, when the waste heat in the electric steel furnace body 1 needs to be consumed, the first switch valves of the water inlet ends and the water outlet ends of the two liquid conveying pipelines 7 are opened at the moment, water flows through the liquid conveying pipelines 7 at the moment, the heat exchange is carried out between the water in the liquid conveying pipelines 7 and the heat energy at the outer end of the electric steel furnace body 1, the temperature at the outer end of the electric steel furnace body 1 can be reduced at the moment, the heat dissipation and cooling effects are realized on the electric steel furnace body 1, the water in the liquid conveying pipelines 7 is heated, the heat conduction plate 8 plays a heat conduction role, the second switch valve on the gas conveying pipeline 5 is opened at the same time, the hot air in the electric steel furnace body 1 can be conveyed into the second insulation box 3 through the gas conveying pipeline 5, through gas transmission pipeline 5 and external water source switch-on, with the inside storage water feeding of second insulation can 3, hot-air can be to the inside water heating of second insulation can 3 this moment for the inside water of second insulation can 3 heaies up, then keeps warm to the inside material of heat-preserving container 14 through hot water, the utility model discloses a waste heat recovery mechanism can make full use of the inside waste heat of steelmaking furnace body 1, and the heat energy of 1 outer end of steelmaking furnace body, and can play the radiating effect of cooling to steelmaking furnace body 1, the resource obtains effective utilization, and this embodiment has specifically solved most of remelting steelmaking furnaces in the prior art and has not set up waste heat recovery's structure, and remelting steelmaking furnace's waste heat temperature is higher and duration is longer, is difficult to dispel the heat and the problem that the resource produced the waste.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (8)

1. The utility model provides a remelting steel-making furnace with waste heat recovery function, includes electric steel-making furnace body (1), its characterized in that: the outer end of the electric steelmaking furnace body (1) is provided with a waste heat recovery mechanism;
the waste heat recovery mechanism comprises a first heat preservation box (2), the electric steel furnace body (1) is arranged inside the first heat preservation box (2), the bottom end of the electric steel furnace body (1) is fixedly connected with the bottom end inside the first heat preservation box (2), one side of the first heat preservation box (2) is provided with a second heat preservation box (3), the top end inside the electric steel furnace body (1) is fixedly provided with two liquid conveying pipelines (7), the outer ends of the two liquid conveying pipelines (7) are respectively and fixedly provided with heat conduction plates (8), the two heat conduction plates (8) are respectively arranged inside the first heat preservation box (2), the top end inside the first heat preservation box (2) is fixedly provided with two heat insulation plates (6), the top ends of the two heat conduction plates (8) are respectively contacted with the bottom ends of the two heat insulation plates (6), and the water inlet ends of the two liquid conveying pipelines (7) are fixedly provided with a first three-way joint (9), two fixed second three way connection (10) that are equipped with of liquid delivery pipeline (7) delivery port end, two the water inlet end and the delivery port end of liquid delivery pipeline (7) all fix and are equipped with first ooff valve, the fixed protection network (4) that are equipped with in inside top of steelmaking furnace body (1), the inside fixed gas transmission pipeline (5) that is equipped with of steelmaking furnace body (1), establish inside protection network (4) gas transmission pipeline (5) bottom, inside gas transmission pipeline (5) top is passed steelmaking furnace body (1) and is extended to second insulation can (3), the fixed second ooff valve that is equipped with on gas transmission pipeline (5).
2. The remelting steelmaking furnace with a waste heat recovery function according to claim 1, characterized in that: a plurality of first supporting legs (17) are fixedly arranged at the bottom end of the first heat preservation box (2).
3. The remelting steelmaking furnace with a waste heat recovery function according to claim 2, characterized in that: a base (19) is fixedly arranged at the bottom end of the first support legs (17).
4. The remelting steelmaking furnace with a waste heat recovery function according to claim 3, characterized in that: the bottom end of the second heat preservation box (3) is fixedly provided with a plurality of second supporting legs (18), and the bottom ends of the second supporting legs (18) are fixedly connected with the top end of the base (19).
5. The remelting steelmaking furnace with a waste heat recovery function according to claim 1, characterized in that: the bottom fixing of the inside of second insulation can (3) is equipped with fixed baseplate (13), inside heat-preserving container (14) that is equipped with of second insulation can (3), heat-preserving container (14) bottom joint is inside fixed baseplate (13), the chamber door has all been seted up on second insulation can (3) and heat-preserving container (14) top, second insulation can (3) and heat-preserving container (14) all pass through hinge with the chamber door and articulate.
6. The remelting steelmaking furnace with a waste heat recovery function according to claim 1, characterized in that: a water inlet pipeline (15) is fixedly arranged on one side of the second heat preservation box (3), a water outlet pipeline (16) is fixedly arranged on one side of the second heat preservation box (3), the water outlet pipeline (16) is arranged at the bottom of the water inlet pipeline (15), and third switch valves are fixedly arranged on the water inlet pipeline (15) and the water outlet pipeline (16).
7. The remelting steelmaking furnace with a waste heat recovery function according to claim 1, characterized in that: an output pipeline (12) is fixedly arranged on one side of the electric steel furnace body (1), one end of the output pipeline (12) penetrates through the electric steel furnace body (1) and extends to the outer end of the electric steel furnace body (1), and a fourth switch valve is fixedly arranged at the outer end of the output pipeline (12).
8. The remelting steelmaking furnace with a waste heat recovery function according to claim 1, characterized in that: the electric steel-making furnace is characterized in that a control panel (11) is fixedly arranged at the front end of the electric steel-making furnace body (1), and the control panel (11) is electrically connected with the electric steel-making furnace body (1).
CN202120350540.8U 2021-02-08 2021-02-08 Remelting steelmaking furnace with waste heat recovery function Active CN214937614U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120350540.8U CN214937614U (en) 2021-02-08 2021-02-08 Remelting steelmaking furnace with waste heat recovery function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120350540.8U CN214937614U (en) 2021-02-08 2021-02-08 Remelting steelmaking furnace with waste heat recovery function

Publications (1)

Publication Number Publication Date
CN214937614U true CN214937614U (en) 2021-11-30

Family

ID=79120090

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120350540.8U Active CN214937614U (en) 2021-02-08 2021-02-08 Remelting steelmaking furnace with waste heat recovery function

Country Status (1)

Country Link
CN (1) CN214937614U (en)

Similar Documents

Publication Publication Date Title
CN214937614U (en) Remelting steelmaking furnace with waste heat recovery function
CN210193977U (en) Continuous gas protection annealing furnace for processing titanium and titanium alloy plates
CN208805027U (en) A kind of baking oven residual neat recovering system
CN207019484U (en) The environmentally friendly smelting furnace that a kind of waste heat recycles
CN207894113U (en) A kind of Multi-purpose energy-saving cool-heat exchanger
CN209623243U (en) A kind of energy-saving baking oven
CN211903557U (en) Heat preservation formula fast drying case of dairy products processing
CN202927887U (en) Insulation energy saving furnace
CN211373277U (en) Kiln flue gas recycling device
CN208305744U (en) Injection machine energy-saving fever circle
CN208250397U (en) A kind of hot galvanizing water bath heating system
CN207279773U (en) A kind of energy-saving heater easy to adjust
CN207435530U (en) A kind of energy-saving pit gas carburizing furnace
CN210346309U (en) Gas heating furnace capable of prestoraging hot water
CN205999032U (en) A kind of switch door being provided with discharging turnover panel
CN215991264U (en) Superaudio heating equipment
CN110132010A (en) A kind of environment-friendly metal compound brick block firing resistance cellar furnace
CN208566766U (en) Heater box is used in a kind of office
CN210242212U (en) Gas type drying room for drying wet-process molded fiber products
CN218096194U (en) Heat storage type light wave warm-air furnace
CN211011463U (en) Residual heat utilization device of gas heating furnace
CN209801534U (en) Double-frying one-soup energy-saving stove
CN220135873U (en) Electrothermal blowing constant temperature drying oven
CN217715902U (en) Aluminum melting furnace capable of preventing heat loss
CN218821661U (en) Furnace body heat preservation structure for perlite electric preheating furnace

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant