CN210463986U - Push-down bar heating furnace - Google Patents
Push-down bar heating furnace Download PDFInfo
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- CN210463986U CN210463986U CN201921469757.XU CN201921469757U CN210463986U CN 210463986 U CN210463986 U CN 210463986U CN 201921469757 U CN201921469757 U CN 201921469757U CN 210463986 U CN210463986 U CN 210463986U
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- conveying chain
- door mechanism
- furnace body
- feeding
- heating furnace
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Abstract
The utility model discloses a push rod type bar heating furnace, which comprises a feeding conveying roller, wherein one end of the feeding conveying roller is provided with a turnover table, one end of the turnover table is provided with a feeding device, the lower end of the feeding device is provided with a feeding conveying chain, one end of the feeding conveying chain is provided with a material pushing mechanism, one end of the feeding device is provided with a first material tray conveying chain and a second material tray conveying chain, the lower side of one end of the first material tray conveying chain is provided with an aligning device through a discharging conveying chain, the lower end of the aligning device is provided with a discharging door mechanism, the lower end of the discharging door mechanism is provided with a limiting device, one end of the limiting device is provided with a furnace body, one end of the furnace body is provided with a feeding door mechanism, one end of the feeding door mechanism is provided with a safety guardrail, one end of the feeding door mechanism is provided with a smoke exhaust device, the, and the lower end of the circulating fan is provided with a combustion system, and the lower end of the inner cavity of the furnace body is provided with a furnace inner lifting device.
Description
Technical Field
The utility model relates to the technical field of mechanical equipment, especially, relate to a push-down bar heating furnace.
Background
In the metallurgical industry, a furnace is a device (industrial furnace) that heats a material or workpiece (typically a metal) to a rolling-to-forging temperature.
The heating furnace is applied to various industrial fields such as petroleum, chemical industry, metallurgy, machinery, heat treatment, surface treatment, building materials, electronics, materials, light industry, daily chemicals, pharmacy and the like, and the conventional heating furnace has no good push rod type operation effect in the bar production process, so that a push rod type bar heating furnace is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a push rod type bar heating furnace.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a push rod type bar heating furnace comprises a feeding conveying roller and is characterized in that a turnover table is installed at one end of the feeding conveying roller, a feeding device is arranged at one end of the turnover table, a feeding conveying chain is installed at the lower end of the feeding device, a material pushing mechanism is installed at one end of the feeding conveying chain, a first material tray conveying chain and a second material tray conveying chain are installed at one end of the feeding device, an alignment device is installed at the lower side of one end of the first material tray conveying chain through a discharging conveying chain, a discharging door mechanism is installed at the lower end of the alignment device, a limiting device is installed at the lower end of the discharging door mechanism, a furnace body is arranged at one end of the limiting device, a feeding door mechanism is arranged at one end of the furnace body, a safety guardrail is arranged at one end of the feeding door mechanism, a smoke exhaust device is arranged at one end of the feeding door mechanism, and a circulating, and the lower end of the circulating fan is provided with a combustion system, and the lower end of the inner cavity of the furnace body is provided with a furnace inner lifting device.
Preferably, one end of the furnace body is provided with a vertical ladder stand.
Preferably, a protective cover is arranged at the lower side of one end of the furnace body and connected with the vertical ladder.
Preferably, one end of the furnace body is provided with a discharging lifting device, and the discharging lifting device is fixedly connected with the furnace body.
Compared with the prior art, the beneficial effects of the utility model are that:
the fan blade structure is a centrifugal structure, the efficiency is high, the noise is low, and the wind pressure and the wind quantity required by the furnace inner circulation can be generated. After the burner works, the motor drives the lower fan to rotate at a high speed to suck heat emitted by the radiation tube into the air duct at the top, the heat is stirred and then enters the working chamber, and then the heat flows back to the air duct at the top to finish hot air circulation. In order to prolong the service life of the fan bearing, the lower end of the bearing cover of the circulating fan is additionally provided with a cooling fan which can radiate the conduction heat of the shaft part at any time, reduce the environmental temperature of the bearing and prolong the service life of the whole machine. The fan shaft is made of 1Cr18Ni9Ti steel plate material, and the bearing is made of NSK brand. The impeller is made of 1Cr18Ni9Ti steel plate materials through welding, the welded impeller is subjected to annealing treatment and is assembled after dynamic and static balance tests, and the impeller is guaranteed to be firm and stable in operation at high temperature. The fan of the machine type can be continuously used in a hot blast furnace below 600 ℃ for a long time without deformation and any cooling liquid, 7019-1 extreme pressure compound lithium base grease is periodically injected to protect a bearing of the fan, and the use and the maintenance are both convenient.
An air deflector: according to the working principle of the axial flow fan and the fan structure, guide plates are arranged on the periphery of a hearth, and the guide plates are made of 304 stainless steel plates with the thickness of 2 mm. The guide plate is arranged in sections, the structural strength is improved, thermal expansion is absorbed, deformation is kept for a long time at the working temperature, and the design and the manufacture of the guide plate avoid wind sound noise in a strong wind state. The main valves of the combustion and control system adopt inlet valves of Krom brand, the burner adopts a burner of Guangdong company, and the pipeline is configured according to the international safety standard. The system has the functions of automatic ignition, sequential control, flame monitoring, automatic temperature regulation, flameout alarm, safety fault alarm and the like. The signals of normal ignition and flameout of each combustion system are processed by PLC programmable centralization. Ignition switches of the burners are respectively arranged in the special control box beside each burner and on the panel of the main control electrical cabinet.
The temperature control points arranged at the middle part of each control area can reduce the temperature inertia and improve the temperature stability. The main gas pipeline is provided with executing elements such as a natural gas flowmeter, a manual butterfly valve, a pressure gauge, a filter, a pressure reducing valve, a gas electromagnetic valve, a high-low pressure protection switch and the like. The branch pipeline is provided with a monitoring electrode, a flame detection and ignition program controller, a charging transformer, an ignition electrode, an air-fuel proportional valve, an air electric actuator and the like. The main valve adopts an imported original part, and the system has the functions of automatic ignition, sequential control, flame monitoring, automatic temperature regulation, flameout alarm, air source high-low pressure alarm, combustion-supporting air high-low pressure alarm, safety fault alarm, natural gas leakage alarm and the like.
Drawings
FIG. 1 is a schematic structural view of a push-rod bar heating furnace according to the present invention;
FIG. 2 is a schematic structural view of a portion of a push-rod type bar heating furnace according to the present invention;
fig. 3 is a schematic structural diagram of a portion of a push-rod type bar heating furnace according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a push rod type bar heating furnace comprises a feeding conveying roller 1, a turnover table 2 is installed at one end of the feeding conveying roller 1, a feeding device 3 is arranged at one end of the turnover table 2, a feeding conveying chain 4 is installed at the lower end of the feeding device 3, a pushing mechanism 5 is installed at one end of the feeding conveying chain 4, a first tray conveying chain 11 and a second tray conveying chain 12 are installed at one end of the feeding device 3, an aligning device 10 is installed at the lower side of one end of the first tray conveying chain 11 through a discharging conveying chain 9, a discharging door mechanism 21 is installed at the lower end of the aligning device 10, a limiting device 8 is installed at the lower end of the discharging door mechanism 21, a furnace body 7 is arranged at one end of the limiting device 8, a feeding door mechanism 17 is arranged at one end of the furnace body 7, and a safety guardrail 18 is arranged at one end of the feeding door mechanism, one end of the feeding door mechanism 17 is provided with a smoke exhaust device 16, an inner cavity of the feeding door mechanism 17 is provided with a circulating fan 14, the lower end of the circulating fan 14 is provided with a combustion system 15, the lower end of the inner cavity of the furnace body 7 is provided with an in-furnace lifting device 13, one end of the furnace body 7 is provided with a vertical ladder stand 19, a protective cover 20 is arranged on the lower side of one end of the furnace body 7, the protective cover 20 is connected with the vertical ladder stand 19, one end of the furnace body 7 is provided with a discharging lifting device 22, and the discharging lifting device 22 is fixedly connected.
The fan blade structure is a centrifugal structure, the efficiency is high, the noise is low, and the wind pressure and the wind quantity required by the furnace inner circulation can be generated. After the burner works, the motor drives the lower fan to rotate at a high speed to suck heat emitted by the radiation tube into the air duct at the top, the heat is stirred and then enters the working chamber, and then the heat flows back to the air duct at the top to finish hot air circulation. In order to prolong the service life of the fan bearing, the lower end of the bearing cover of the circulating fan is additionally provided with a cooling fan which can radiate the conduction heat of the shaft part at any time, reduce the environmental temperature of the bearing and prolong the service life of the whole machine. The fan shaft is made of 1Cr18Ni9Ti steel plate material, and the bearing is made of NSK brand. The impeller is made of 1Cr18Ni9Ti steel plate materials through welding, the welded impeller is subjected to annealing treatment and is assembled after dynamic and static balance tests, and the impeller is guaranteed to be firm and stable in operation at high temperature. The fan of the machine type can be continuously used in a hot blast furnace below 600 ℃ for a long time without deformation and any cooling liquid, 7019-1 extreme pressure compound lithium base grease is periodically injected to protect a bearing of the fan, and the use and the maintenance are both convenient.
An air deflector: according to the working principle of the axial flow fan and the fan structure, guide plates are arranged on the periphery of a hearth, and the guide plates are made of 304 stainless steel plates with the thickness of 2 mm. The guide plate is arranged in sections, the structural strength is improved, thermal expansion is absorbed, deformation is kept for a long time at the working temperature, and the design and the manufacture of the guide plate avoid wind sound noise in a strong wind state. The main valves of the combustion and control system adopt inlet valves of Krom brand, the burner adopts a burner of Guangdong company, and the pipeline is configured according to the international safety standard. The system has the functions of automatic ignition, sequential control, flame monitoring, automatic temperature regulation, flameout alarm, safety fault alarm and the like. The signals of normal ignition and flameout of each combustion system are processed by PLC programmable centralization. Ignition switches of the burners are respectively arranged in the special control box beside each burner and on the panel of the main control electrical cabinet.
The temperature control points arranged at the middle part of each control area can reduce the temperature inertia and improve the temperature stability. The main gas pipeline is provided with executing elements such as a natural gas flowmeter, a manual butterfly valve, a pressure gauge, a filter, a pressure reducing valve, a gas electromagnetic valve, a high-low pressure protection switch and the like. The branch pipeline is provided with a monitoring electrode, a flame detection and ignition program controller, a charging transformer, an ignition electrode, an air-fuel proportional valve, an air electric actuator and the like. The main valve adopts an imported original part, and the system has the functions of automatic ignition, sequential control, flame monitoring, automatic temperature regulation, flameout alarm, gas source high-low pressure alarm, combustion-supporting air high-low pressure alarm, safety fault alarm, natural gas leakage alarm and the like
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides a push-down bar heating furnace, includes feeding conveying roller (1), its characterized in that, roll-over table (2) is installed to the one end of feeding conveying roller (1), the one end of roll-over table (2) is equipped with loading attachment (3), material loading conveying chain (4) are installed to the lower extreme of loading attachment (3), pushing equipment (5) are installed to the one end of material loading conveying chain (4), first charging tray conveying chain (11) and second charging tray conveying chain (12) are installed to the one end of loading attachment (3), aligning device (10) are installed through ejection of compact conveying chain (9) to the one end downside of first charging tray conveying chain (11), ejection of compact door mechanism (21) is installed to the lower extreme of aligning device (10), stop device (8) are installed to the lower extreme of ejection of compact door mechanism (21), and the one end of stop device (8) is equipped with furnace body (7), the one end of furnace body (7) is equipped with feed door mechanism (17), and the one end of feed door mechanism (17) is equipped with safety barrier (18), the one end of feed door mechanism (17) is equipped with fume extractor (16), the inner chamber of feed door mechanism (17) is equipped with circulating fan (14), and the lower extreme of circulating fan (14) is equipped with combustion system (15), the inner chamber lower extreme of furnace body (7) is equipped with interior elevating gear (13) of stove.
2. A pusher bar-type heating furnace according to claim 1, characterized in that the furnace body (7) is provided at one end with a vertical ladder (19).
3. A pusher bar heating furnace according to claim 1, characterized in that a protective cover (20) is provided on the underside of one end of the furnace body (7), and the protective cover (20) is connected to the vertical ladder (19).
4. The push rod type bar heating furnace according to claim 1, wherein one end of the furnace body (7) is provided with a discharging lifting device (22), and the discharging lifting device (22) is fixedly connected with the furnace body (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921469757.XU CN210463986U (en) | 2019-09-05 | 2019-09-05 | Push-down bar heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921469757.XU CN210463986U (en) | 2019-09-05 | 2019-09-05 | Push-down bar heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210463986U true CN210463986U (en) | 2020-05-05 |
Family
ID=70432516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921469757.XU Active CN210463986U (en) | 2019-09-05 | 2019-09-05 | Push-down bar heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210463986U (en) |
-
2019
- 2019-09-05 CN CN201921469757.XU patent/CN210463986U/en active Active
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