CN213515045U - Through forging heating furnace - Google Patents

Through forging heating furnace Download PDF

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Publication number
CN213515045U
CN213515045U CN202022741527.3U CN202022741527U CN213515045U CN 213515045 U CN213515045 U CN 213515045U CN 202022741527 U CN202022741527 U CN 202022741527U CN 213515045 U CN213515045 U CN 213515045U
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furnace
channel
heat preservation
heating furnace
natural gas
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李真国
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Shandong Sky Environmental Protection Equipment Co ltd
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Shandong Sky Environmental Protection Equipment Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]

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Abstract

The utility model discloses a through type forging heating furnace, relating to the technical field of heating furnace devices; the furnace comprises a furnace wall, a front furnace door, a rear furnace door, a hearth, a regenerative chamber, a substrate, a heat insulation module, a fireproof part, a fire hole channel, an air inlet, a natural gas inlet, an air channel and a natural gas channel; through forge heating furnace and set up the heat preservation module in the brickwork inboard, the heat preservation module covers the furnace body all around comprehensively, adopts the thick pearlite material of T300, guarantees that the waste heat is collected in the heat accumulation chamber completely, greatly reduced flue gas heat loss, ensured that the temperature is steady in the heating furnace, reduced the incidence of potential safety hazards such as heating furnace mouth drunkenness simultaneously, the brickwork outside temperature also can not too high lead to the workman to operate inconveniently.

Description

Through forging heating furnace
Technical Field
The utility model belongs to the technical field of heating furnace device technique and specifically relates to a through forge heating furnace.
Background
The conventional heating furnaces are generally divided into a heat exchange type heating furnace and a heat accumulating type heating furnace, along with further strengthening of the national requirements on energy conservation and environmental protection, the application scenes of the heat accumulating type heating furnace are gradually increased, and the heat accumulating type heating furnace is generally of a through structure and is suitable for continuous heating of steel blanks before square billet steel and bar steel are forged and rolled.
The through type forging heating furnace can fully utilize the heat in the hearth, the flue gas waste heat recovery effect is good, but the distance between the regenerative chamber and the furnace wall is short, and due to the metal material of the furnace wall, a part of heat flows into the regenerative chamber and cannot be completely stored and reused, and part of heat is dissipated in a heat conduction mode, so that on one hand, the temperature fluctuation in the heating furnace is caused, and the adverse effect is caused on the product quality and the service life of the heating furnace; on the other hand, heat is accumulated at the wall body or the fire hole of the heating furnace, so that the fire channeling phenomenon is easily caused, and certain potential safety hazard exists.
SUMMERY OF THE UTILITY MODEL
In view of the defects and deficiencies in the prior art, the utility model provides a novel through type forging heating furnace.
In order to solve the technical problem, the technical scheme of the utility model is that: a through type forging heating furnace is characterized in that: the furnace comprises a furnace wall, a front furnace door, a rear furnace door, a hearth, a regenerative chamber, a substrate, a heat insulation module, a fireproof part, a fire hole channel, an air inlet, a natural gas inlet, an air channel and a natural gas channel; the heating furnace is of a cubic bilateral symmetry structure, furnace walls are arranged on the periphery of the heating furnace, a substrate is arranged at the bottom of the heating furnace, a front furnace door and a rear furnace door are respectively arranged at the front and the rear of the heating furnace, a heat insulation module is arranged on the inner side of the furnace walls, a furnace chamber is arranged in the middle of the heating furnace, a regenerative chamber is arranged between the furnace chamber and the heat insulation module and close to the heat insulation module, a fireproof part is filled between the regenerative chamber and the furnace chamber, the regenerative chamber is communicated with the furnace chamber through a fire hole; the inner wall of the side surface of the furnace wall and the bottom surface of the furnace wall are provided with air channels, one end of each air channel is connected with the heat storage chamber, the other end of each air channel is an air inlet, and the air inlets are positioned above the furnace chambers; the regenerative chamber, the heat preservation module, the fire-resistant part, the fire hole channel, the air inlet, the natural gas inlet, the air channel and the natural gas channel are all arranged in an axisymmetric mode by taking the center lines of the front furnace door and the rear furnace door as axes.
Further, the heat preservation module comprises a first heat preservation part and a second heat preservation part, and the first heat preservation part is arranged on the inner wall of the furnace wall close to the front furnace door and the rear furnace door; the second heat preservation portion is arranged on the inner walls of the furnace walls on the two sides.
Further, the heat preservation module adopts the heat preservation of T300 thick pearlite module.
Furthermore, the fire hole channel and the natural gas channel are both obliquely arranged, and the tail end of the natural gas channel is obliquely inserted into the fire hole channel.
Furthermore, the inner wall of the heating furnace is also provided with thermocouple holes, thermocouples are arranged in the thermocouple holes, the thermocouples are symmetrically arranged by taking the hearth as a center, 3 thermocouples are arranged on one side, and the total number is 6.
Further, the fire hole channel is a cylindrical channel.
Further, the air passage is in the shape of an 1/4 circular arc near the air inlet.
Further, the number of the fire hole channels on one side is 7, and the total number is 14.
To sum up, the utility model discloses following beneficial effect has:
1. through forge heating furnace and set up the heat preservation module in the brickwork inboard, the heat preservation module covers the furnace body all around comprehensively, adopts the thick pearlite material of T300, guarantees that the waste heat is collected in the heat accumulation chamber completely, greatly reduced flue gas heat loss, ensured that the temperature is steady in the heating furnace, reduced the incidence of potential safety hazards such as heating furnace mouth drunkenness simultaneously, the brickwork outside temperature also can not too high lead to the workman to operate inconveniently.
2. The fire hole channels are uniformly distributed along the two sides of the hearth, so that the temperature of the heated steel piece is more uniformly increased; a plurality of thermocouples comprehensively monitor the temperature distribution in the furnace and accurately control the change of the furnace temperature; the fire hole channel and the natural gas channel are obliquely arranged, so that smoke dust and the like can be prevented from accumulating at the fire hole or a natural gas inlet, and the operation safety of the heating furnace is improved.
Drawings
FIG. 1 is a schematic top sectional view of the present invention;
FIG. 2 is a schematic sectional view of the front view of the present invention;
fig. 3 is a schematic left-side view of the sectional structure of the present invention.
Description of reference numerals: the furnace comprises a furnace wall 1, a front furnace door 2, a rear furnace door 3, a hearth 4, a regenerative chamber 5, a substrate 6, a combustion nozzle 7, a heat preservation module 8, a first heat preservation part 801, a second heat preservation part 802, a thermocouple 9, a thermocouple hole 10, a refractory part 11, a fire hole channel 12, an air inlet 13, a natural gas inlet 14, an air channel 15 and a natural gas channel 16.
Detailed Description
The present invention is described in further detail below with reference to fig. 1-3.
The utility model discloses a through forging heating furnace. Referring to fig. 1-3, a through type forging heating furnace comprises a furnace wall 1, a front furnace door 2, a rear furnace door 3, a hearth 4, a regenerator 5, a substrate 6, a heat preservation module 8, a refractory part 11, a fire hole channel 12, an air inlet 13, a natural gas inlet 14, an air channel 15 and a natural gas channel 16; the heating furnace is of a cubic bilateral symmetry structure, a furnace wall 1 is arranged on the periphery, a substrate 6 is arranged at the bottom, a front furnace door 2 and a rear furnace door 3 are respectively arranged at the front and the rear, a heat preservation module 8 is arranged on the inner side of the furnace wall 1, a furnace chamber 4 is arranged in the middle of the heating furnace, a regenerative chamber 5 is arranged between the furnace chamber 4 and the heat preservation module 8 and close to the heat preservation module 8, a fireproof part 11 is filled between the regenerative chamber 5 and the furnace chamber 4, the regenerative chamber 5 and the furnace chamber 4 are communicated through a fire hole channel 12, and a natural gas channel 16 is further arranged on the; the inner wall and the bottom surface of the side surface of the furnace wall 1 are provided with air channels 15, one end of each air channel 15 is connected with the regenerator 5, the other end of each air channel is provided with an air inlet 13, and the air inlets 13 are positioned above the hearth 4; the regenerative chamber 5, the heat preservation module 8, the fireproof part 11, the fire hole channel 12, the air inlet 13, the natural gas inlet 14, the air channel 15 and the natural gas channel 16 are all arranged in an axisymmetric manner by taking the center lines of the front furnace door 2 and the rear furnace door 3 as axes.
A through type forging heating furnace comprises a furnace wall 1, a front furnace door 2, a rear furnace door 3, a hearth 4, a regenerator 5, a substrate 6, a heat preservation module 8, a refractory part 11, a fire hole channel 12, an air inlet 13, a natural gas inlet 14, an air channel 15 and a natural gas channel 16; the heating furnace is the cube bilateral symmetry structure, sets up furnace wall 1 all around, furnace wall 1 generally is the steel construction, and the bottom sets up substrate 6, substrate 6 can play the heat preservation effect to the furnace body and can play the furnace body supporting role again, sets up preceding furnace gate 2 and back furnace gate 3 around respectively, forms through heating furnace structure, and the relative setting in front and back furnace gate position is convenient for the blank in time take out after the heating, and material loading and unloading are more convenient.
The method comprises the following steps that a heat insulation module 8 is arranged on the inner side of a furnace wall 1, the heat insulation module 8 adopts a T300 thick perlite composite heat insulation layer which is easy to process and maintain, excellent in anti-collision performance and certain in fire resistance, the heat insulation module 8 comprises a first heat insulation part 801 and a second heat insulation part 802, and the first heat insulation part 801 is arranged on the inner wall of the furnace wall 1 close to a front furnace door 2 and a rear furnace door 3; the second heat preservation portion 802 is arranged on the inner walls of the furnace walls 1 on the two sides, and the heat preservation module 8 completely wraps the inner wall of the furnace body, so that the heat loss is reduced to the maximum extent.
The middle part of the heating furnace is a hearth 4, and the regenerative chamber 5, the heat preservation module 8, the fireproof part 11, the fire hole channel 12, the air inlet 13, the natural gas inlet 14, the air channel 15 and the natural gas channel 16 are all arranged in axial symmetry by taking the central lines of the front furnace door 2 and the rear furnace door 3 as axes; a regenerative chamber 5 is arranged between the hearth 4 and the heat preservation module 8 and close to the heat preservation module 8, two regenerative chambers 5 are arranged, a fireproof part 11 is filled between each regenerative chamber 5 and the hearth 4, the regenerative chambers 5 are communicated with the hearth 4 through fire hole channels 12, and a natural gas channel 16 is further arranged on each fireproof part 11; the fire hole channel 12 and the natural gas channel 16 are obliquely arranged, the tail end of the natural gas channel 16 is obliquely inserted into the fire hole channel 12, the fire hole channel 12 is a cylindrical channel, the number of the single sides of the fire hole channel 12 is 7, the total number is 14, and blanks in the hearth 4 can be uniformly heated. The inner wall and the bottom surface of the side surface of the furnace wall 1 are provided with air channels 15, one end of each air channel 15 is connected with the regenerator 5, the other end of each air channel 15 is provided with an air inlet 13, each air inlet 13 is positioned above the hearth 4, and the air channel 15 is 1/4 circular arc-shaped near the air inlet 13; the inner wall of the heating furnace is further provided with thermocouple holes 10, thermocouples 9 are arranged in the thermocouple holes 10, the thermocouples 9 are symmetrically arranged by taking the hearth 4 as a center, 3 thermocouples are arranged on one side, the total number is 6, the arrangement of the thermocouples can monitor the temperature change in the whole furnace in real time, and the furnace temperature can be accurately adjusted in time. The through forging furnace is further connected with external components such as a positive pressure fan, a negative pressure fan, an air four-way reversing valve, a gas electromagnetic valve, a gas electric actuator, a plc frequency conversion control system and the like.
The utility model discloses a theory of operation does:
when the blank needs to be heated, a gas electromagnetic valve and an air four-way valve are opened, air enters an air channel 15 from an air inlet 13, then enters a hearth 4 along a fire hole channel 12 after the temperature of a regenerator 5 is raised to a specified temperature, natural gas enters the hearth 4 together with the heated air from a natural gas channel 16 for combustion, and the blank is preliminarily heated to be raised to a certain temperature; when the air four-way valve and the gas electromagnetic valve are closed in the combustion process in the hearth, the flue gas with the waste heat is discharged through the heat storage chamber 5 through the negative pressure fan through the fire hole channel 12, the heat preservation module 8 can furthest retain the heat of the discharged flue gas to prevent the heat of the heat storage chamber 5 from being dissipated, the alternative combustion time is controlled through the plc frequency conversion control system in the steps, and finally the blank is heated to the required temperature.
The above is the preferred embodiment of the present invention, and the protection scope of the present invention is not limited in this way, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (8)

1. A through type forging heating furnace is characterized in that: the furnace comprises a furnace wall (1), a front furnace door (2), a rear furnace door (3), a hearth (4), a regenerator (5), a substrate (6), a heat preservation module (8), a fireproof part (11), a fire hole channel (12), an air inlet (13), a natural gas inlet (14), an air channel (15) and a natural gas channel (16); the heating furnace is of a cubic bilateral symmetry structure, a furnace wall (1) is arranged on the periphery, a substrate (6) is arranged at the bottom, a front furnace door (2) and a rear furnace door (3) are respectively arranged at the front and the rear of the heating furnace, a heat preservation module (8) is arranged on the inner side of the furnace wall (1), a furnace chamber (4) is arranged in the middle of the heating furnace, a regenerator (5) is arranged between the furnace chamber (4) and the heat preservation module (8) and close to the heat preservation module (8), a fireproof part (11) is filled between the regenerator (5) and the furnace chamber (4), the regenerator (5) and the furnace chamber (4) are communicated through a fire hole channel (12), and a natural gas channel (16) is further arranged; air channels (15) are arranged on the inner wall and the bottom surface of the side surface of the furnace wall (1), one end of each air channel (15) is connected with the heat storage chamber (5), the other end of each air channel is provided with an air inlet (13), and the air inlets (13) are positioned above the furnace chamber (4); the regenerative chamber (5), the heat preservation module (8), the fireproof part (11), the fire hole channel (12), the air inlet (13), the natural gas inlet (14), the air channel (15) and the natural gas channel (16) are all arranged in an axisymmetric mode through the center lines of the front furnace door (2) and the rear furnace door (3).
2. A through-type forging furnace according to claim 1, wherein: the heat preservation module (8) comprises a first heat preservation part (801) and a second heat preservation part (802), wherein the first heat preservation part (801) is arranged on the inner wall of a furnace wall (1) close to the front furnace door (2) and the rear furnace door (3); the second heat preservation parts (802) are arranged on the inner walls of the furnace walls (1) at two sides.
3. A through-type forging-heating furnace according to claim 1 or 2, wherein: the heat preservation module (8) adopts a T300 thick perlite module for heat preservation.
4. A through-type forging furnace according to claim 1, wherein: the fire hole channel (12) and the natural gas channel (16) are both obliquely arranged, and the tail end of the natural gas channel (16) is obliquely inserted into the fire hole channel (12).
5. A through-type forging furnace according to claim 1, wherein: the heating furnace is characterized in that a thermocouple hole (10) is further formed in the inner wall of the heating furnace, a thermocouple (9) is arranged in the thermocouple hole (10), the thermocouple (9) is symmetrically arranged by taking the hearth (4) as a center, 3 thermocouples are arranged on one side, and the total number is 6.
6. A through-type forging furnace according to claim 1, wherein: the fire hole channel (12) is a cylindrical channel.
7. A through-type forging furnace according to claim 1, wherein: the air passage (15) is in the shape of an 1/4 circular arc near the air inlet (13).
8. A through-type forging furnace according to claim 1, wherein: the number of the fire hole channels (12) on one side is 7, and the total number is 14.
CN202022741527.3U 2020-11-24 2020-11-24 Through forging heating furnace Active CN213515045U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022741527.3U CN213515045U (en) 2020-11-24 2020-11-24 Through forging heating furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022741527.3U CN213515045U (en) 2020-11-24 2020-11-24 Through forging heating furnace

Publications (1)

Publication Number Publication Date
CN213515045U true CN213515045U (en) 2021-06-22

Family

ID=76426027

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022741527.3U Active CN213515045U (en) 2020-11-24 2020-11-24 Through forging heating furnace

Country Status (1)

Country Link
CN (1) CN213515045U (en)

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