CN210069827U - External steam superheater structure of heating furnace - Google Patents

External steam superheater structure of heating furnace Download PDF

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Publication number
CN210069827U
CN210069827U CN201920747799.9U CN201920747799U CN210069827U CN 210069827 U CN210069827 U CN 210069827U CN 201920747799 U CN201920747799 U CN 201920747799U CN 210069827 U CN210069827 U CN 210069827U
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China
Prior art keywords
heating furnace
superheater
steam
coiled pipe
heat
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Expired - Fee Related
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CN201920747799.9U
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Chinese (zh)
Inventor
丁强
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Jinan Sanda Energy Saving Technology Co Ltd
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Jinan Sanda Energy Saving Technology Co Ltd
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Priority to CN201920747799.9U priority Critical patent/CN210069827U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to a metallurgical industry field especially relates to external steam over heater structure of heating furnace. The structure comprises a heating furnace, wherein a coiled pipe superheater (3) is fixed on the side of the heating furnace, the inlet of the coiled pipe superheater (3) is connected with a steam inlet header (1), and the outlet of the coiled pipe superheater (3) is connected with a steam outlet header (2); the coiled pipe superheater (3) can heat steam inside by utilizing hot gas emitted by the heating furnace. The main function is to increase the heat transfer area and improve the temperature of steam in the pipe.

Description

External steam superheater structure of heating furnace
Technical Field
The utility model relates to a metallurgical industry field especially relates to external steam over heater structure of heating furnace.
Background
In the metallurgical industry, furnaces are conventionally referred to as industrial furnaces that heat metal to a rolling forging temperature, including continuous furnaces and chamber furnaces. The heating furnace for heat treatment of metals is also called a heat treatment furnace. A furnace that heats or homogenizes the temperature inside a steel ingot before blooming is called a heating furnace.
In forging and rolling production, the billet is typically heated in an oxidizing atmosphere of a complete combustion flame. This heating method is called open flame or open flame type non-oxidizing heating, and is successfully applied to rotary hearth furnaces and chamber furnaces. The temperature in the furnace is generally about 1300 ℃, the periphery of the heating furnace is provided with a heat preservation furnace wall, and the furnace wall is easy to burn out due to too high temperature in the furnace, so that a water cooling wall is arranged in the furnace wall to reduce the temperature of the furnace wall and protect the furnace wall, namely, so-called vaporization cooling, softened water after vaporization cooling forms steam which is collected by a boiler steam drum, and the steam is used for central heating in northern areas, but at present, the steam generated by most enterprises is saturated steam. The steam quality is low, and the heat energy utilization rate is not high.
This patent utilizes stokehold high temperature radiant heat to rise exhaust-heat boiler saturated steam to superheated steam's equipment with the steam stripping, and this part heat of most steel billet manufacturing enterprises all does not utilize at present, and the useless waste falls.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is that: in order to provide a better heating furnace external steam superheater structure, specific purposes are seen in a plurality of substantial technical effects of the specific implementation part.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the external steam superheater structure of the heating furnace is characterized by comprising the heating furnace, wherein a coiled pipe superheater 3 is fixed on the side of the heating furnace, the inlet of the coiled pipe superheater 3 is connected with a steam inlet header 1, and the outlet of the coiled pipe superheater 3 is connected with a steam outlet header 2; the coiled pipe superheater 3 can heat the steam inside by utilizing the hot gas emitted by the heating furnace.
The utility model discloses a further technical scheme lies in, still contains a bowl 4, and this bowl is the arc and this bowl covers the heating line of coiled pipe over heater 3 in the outside.
The utility model discloses a further technical scheme lies in, coiled pipe over heater 3 connect at the heating furnace avris through following arbitrary one kind mode: A. the coiled pipe superheater 3 is hung on the side by a hanging steel wire 8; B. the heating furnace retaining wall 9 at the side of the heating furnace is connected with a suspension bracket 10, the suspension bracket 10 is triangular, the suspension bracket is connected with a suspension structure downwards, the suspension structure is connected with the reflecting cover 4, and the coiled pipe superheater 3 is distributed inside the reflecting cover 4; C. the side of the heating furnace comprises a platform, and the coiled pipe superheater 3 is arranged on the platform.
The utility model discloses a further technical scheme lies in, scheme B in the suspended structure be the tube-shape, the structure of this tube-shape contains internal thread 12, the tip of the reinforcing bar of below can threaded connection in the internal thread, the reinforcing bar of below is connecting the bowl.
The utility model discloses a further technical scheme lie in, the bowl be adiabatic material.
Adopt above technical scheme the utility model discloses, for prior art have following beneficial effect: a group of steam superheater coil pipes are additionally arranged, most of heat energy is utilized under the condition that the normal production of the heating furnace is not influenced, saturated steam is changed into superheated steam, and the steam quality is improved. The superheater is of a coiled pipe structure, a distribution header is designed at the air inlet end, an air collection header is also designed at the air outlet end, the number of the pipe bundles is specifically designed according to the steam yield of a user, and the superheater mainly has the functions of increasing the heat transfer area and improving the temperature of steam in the pipe.
Drawings
To further illustrate the present invention, further description is provided below with reference to the accompanying drawings:
FIG. 1 is a front view of the structure of the utility model;
FIG. 2 is a top view of the structure;
FIG. 3 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 4 is a schematic diagram of a third structure of the embodiment of the present invention;
FIG. 5 is a schematic structural diagram of the fourth embodiment of the present invention;
1. a steam inlet header; 2. a steam outlet header; 3. a serpentine superheater; 4. a reflector; 5. a connecting structure; 6. heating furnace; 7. a steam drum; 8. hanging steel wires; 9. retaining walls of the heating furnace; 10. a suspension bracket; 11. a hanging structure; 12. an internal thread; 13. a lower connection structure.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and embodiments, which are to be understood as illustrative only and not limiting the scope of the invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The patent provides a plurality of parallel schemes, and different expressions belong to an improved scheme based on a basic scheme or a parallel scheme. Each solution has its own unique features.
The external steam superheater structure of the heating furnace is characterized by comprising the heating furnace, wherein a coiled pipe superheater 3 is fixed on the side of the heating furnace, the inlet of the coiled pipe superheater 3 is connected with a steam inlet header 1, and the outlet of the coiled pipe superheater 3 is connected with a steam outlet header 2; the coiled pipe superheater 3 can heat the steam inside by utilizing the hot gas emitted by the heating furnace. The technical scheme of the invention has the following substantial technical effects and the realization process: a group of steam superheater coil pipes are additionally arranged, most of heat energy is utilized under the condition that the normal production of the heating furnace is not influenced, saturated steam is changed into superheated steam, and the steam quality is improved. The superheater is of a coiled pipe structure, a distribution header is designed at the air inlet end, an air collection header is also designed at the air outlet end, the number of the pipe bundles is specifically designed according to the steam yield of a user, and the superheater mainly has the functions of increasing the heat transfer area and improving the temperature of steam in the pipe. As a further preference, the steam inlet header 1 and the steam outlet header 2 each comprise a valve, which can be easily opened. Valve 1 is preferably an air inlet valve, which cuts off steam during maintenance. It is installed on the pipeline of steam inlet header 1 and the butt joint of coiled pipe superheater 3, and valve 2 is installed on the pipeline of steam outlet header 2 and the butt joint of coiled pipe superheater 3, and the exhaust valve cuts off steam during maintenance. It should be noted that the solution in this paragraph is at least a new type of heating device, which is a unit that can be sold independently, and the solutions in the lower paragraphs are all parallel solutions or modified solutions.
A pipeline connecting the header and the valve.
As a further illustration, a reflector 4 is included, which is curved and which covers the heating tubes of the serpentine superheater 3 on the outside.
The coiled pipe superheater 3 is connected to the side of the heating furnace in any one of the following modes: A. the coiled pipe superheater 3 is hung on the side by a hanging steel wire 8; the technical scheme of the invention has the following substantial technical effects and the realization process: scheme a referring to fig. 3, the fixing method of this embodiment is the simplest fixing method, and this embodiment is the second embodiment, in which the reflection cover 4 stands on the side.
B. The heating furnace retaining wall 9 at the side of the heating furnace is connected with a suspension bracket 10, the suspension bracket 10 is triangular, the suspension bracket is connected with a suspension structure downwards, the suspension structure is connected with the reflecting cover 4, and the coiled pipe superheater 3 is distributed inside the reflecting cover 4; the technical scheme of the invention has the following substantial technical effects and the realization process: scheme B referring to fig. 4, another specific implementation and structure is provided for the third embodiment. An implementation of the reflector 4 is provided herein, and similar implementations are within the scope of this patent.
C. The side of the heating furnace comprises a platform, and the coiled pipe superheater 3 is arranged on the platform. The technical scheme of the invention has the following substantial technical effects and the realization process: scheme C referring to fig. 5, which is a fourth embodiment, a specific implementation and structure is provided, which is substantially arranged at the edge side.
As a further description, the heating furnace itself is a large heat storage body, the billet is heated in the combustion chamber by using burning natural gas or other fuel gas, the billet is slowly transported and moved from front to back in the furnace, the stroke is generally 18-20 meters, the billet which is just entering is normal temperature, the billet is moved to the rear end, the billet is heated to a proper temperature, the billet enters the next process, the billet inlet is semi-open, in order to prevent the heat in the furnace from dissipating, the upper half part of the feed inlet is closed, the feed inlet of the lower half part is open, the feeding is convenient, but because the temperature in the furnace is too high, a small amount of radiant heat is dissipated from the feed inlet. The pendant steel wires, the hanging brackets and the platforms required to be fixed in the above embodiment are fixed on the outer side of the closed furnace wall.
The hanging structure in the scheme B is cylindrical, the cylindrical structure comprises an internal thread 12, the end part of the lower steel bar can be connected in the internal thread in a threaded mode, and the lower steel bar is connected with the reflecting cover. The reflector is made of heat insulation materials.
This patent utilizes stokehold high temperature radiant heat to rise exhaust-heat boiler saturated steam to superheated steam's equipment with the steam stripping, and this part heat of most steel billet manufacturing enterprises all does not utilize at present, and the useless waste falls.
The company develops a device for improving the quality of the saturated steam and the superheat degree of the steam based on the energy-saving and practical guiding thought, can effectively reduce the energy consumption, improves the steam temperature, and improves the superheat degree of the steam by utilizing the lost heat.
The serpentine heating pipe is arranged outside the heating furnace, absorbs lost waste heat, and ensures that the normal production of the main process of the heating furnace is not influenced. The reflector structure increases the heat absorption capacity of the system.
The heat recovery device has the advantages that the lost heat is recycled, the temperature of steam is increased through the coiled pipe heat exchanger, the quality of the steam is improved, coal consumption is saved, and the quality of the steam is improved.
This patent can replace original stokehold heat direct loss to fall, improves the steam quality with the waste heat, and energy saving and emission reduction accords with international industry policy.
Creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.
The technical effect that above structure was realized realizes clearly, if do not consider additional technical scheme, this patent name can also be a heat utilization equipment. Some details are not shown in the figures.
It should be noted that the plurality of schemes provided in this patent include their own basic schemes, which are independent of each other and are not restricted to each other, but they may be combined with each other without conflict, so as to achieve a plurality of effects.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is to be limited to the embodiments described above.

Claims (5)

1. The external steam superheater structure of the heating furnace is characterized by comprising the heating furnace, wherein a coiled pipe superheater (3) is fixed on the side of the heating furnace, the inlet of the coiled pipe superheater (3) is connected with a steam inlet header (1), and the outlet of the coiled pipe superheater (3) is connected with a steam outlet header (2); the coiled pipe superheater (3) can heat steam inside by utilizing hot gas emitted by the heating furnace.
2. The external steam superheater structure for heating furnace according to claim 1, further comprising a reflection hood (4) which is arc-shaped and which covers the heating tube of the serpentine tube superheater (3) on the outside.
3. The external steam superheater structure for heating furnace according to claim 1, wherein the coil superheater (3) is connected to the side of the heating furnace by any one of the following means: A. the coiled pipe superheater (3) is hung at the side by a hanging steel wire (8); B. the heating furnace retaining wall (9) at the side of the heating furnace is connected with a suspension bracket (10), the suspension bracket (10) is triangular, the suspension bracket is connected with a suspension structure downwards, the suspension structure is connected with the reflecting cover (4), and the coiled pipe superheater (3) is distributed inside the reflecting cover (4); C. the side of the heating furnace comprises a platform, and the coiled pipe superheater (3) is arranged on the platform.
4. The external steam superheater structure for heating furnace according to claim 3, wherein the hanging structure in the solution B is a cylinder, the cylinder comprises an internal thread (12), the end of the lower steel bar can be screwed into the internal thread, and the lower steel bar is connected with the reflector.
5. The external steam superheater structure for heating furnace according to claim 3, wherein said reflection housing is made of heat insulating material.
CN201920747799.9U 2019-05-23 2019-05-23 External steam superheater structure of heating furnace Expired - Fee Related CN210069827U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920747799.9U CN210069827U (en) 2019-05-23 2019-05-23 External steam superheater structure of heating furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920747799.9U CN210069827U (en) 2019-05-23 2019-05-23 External steam superheater structure of heating furnace

Publications (1)

Publication Number Publication Date
CN210069827U true CN210069827U (en) 2020-02-14

Family

ID=69453776

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920747799.9U Expired - Fee Related CN210069827U (en) 2019-05-23 2019-05-23 External steam superheater structure of heating furnace

Country Status (1)

Country Link
CN (1) CN210069827U (en)

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Granted publication date: 20200214