CN203715672U - Stepping heating furnace - Google Patents
Stepping heating furnace Download PDFInfo
- Publication number
- CN203715672U CN203715672U CN201420007357.8U CN201420007357U CN203715672U CN 203715672 U CN203715672 U CN 203715672U CN 201420007357 U CN201420007357 U CN 201420007357U CN 203715672 U CN203715672 U CN 203715672U
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- furnace
- smoke discharging
- chamber
- preheating chamber
- heating chamber
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Abstract
The utility model discloses a stepping heating furnace for solving the problem that an existing heating furnace is poor in energy conservation effect and poor in work piece quality. The heating furnace comprises a furnace body, wherein the front and rear ends of the furnace body are both provided with a furnace door; a stepping travelling mechanism is arranged in the furnace body and comprises a rail laid in the furnace body and a stepping machine arranged on the rail; heat insulating bricks are bricked on the inner side of the furnace wall; a partition wall is arranged in the furnace body and used for dividing a hearth into a preheating chamber and a main heating chamber which are relatively independent from each other; a main smoke discharging pipeline is arranged on the furnace roof of the main heating chamber; the two ends of the main smoke discharging pipeline are respectively connected with an auxiliary smoke discharging pipeline; each auxiliary smoke discharging pipeline is connected with left and right furnace walls of the preheating chamber; the tail end of each auxiliary smoke discharging pipeline is connected with a smoke nozzle on the furnace wall through a branch pipe. The stepping heating furnace disclosed by the utility model can be used for sending excess high-temperature waste gas in the main heating chamber to the preheating chamber through the smoke discharging pipeline, and the preheating chamber is used for preheating a cold work piece which enters the hearth, so the waste gas in the main heating chamber is effectively utilized.
Description
Technical field
The utility model relates to process furnace technical field, is specifically related to a kind of good energy-conserving effect, the little walking beam furnace of cold workpiece quenching stress.
Background technology
Existingly point generally comprise resistance heading furnace and gas heating furnace for heat treated high-temperature heater by type of heating, distinguish and have box type heater and walking beam furnace by structure.Traditional process furnace only has a heating chamber conventionally, and cold blank is directly sent into heating chamber and heat-treated, and waste gas in heating chamber is all access off gas treatment chamber blowdown and directly discharges.There are two problems in this kind of processing mode, one, cold blank directly enters heating chamber and heat-treats, because of excessive temperature differentials, metal works inside is easily because there is crackle in internal stress, cause quality product to decline, although can adapt to by low-temperature heat in advance, also inevitably caused the decline of production efficiency; Its two, the high-temp waste gas of heating chamber is directly discharged has on the one hand affected environment, has caused on the other hand great energy dissipation, has increased production cost, does not meet the energy-conservation policy of national environmental protection.
Utility model content
The defect existing in order to solve above-mentioned technology, the utility model provides a kind of good energy-conserving effect, the little walking beam furnace of cold workpiece quenching stress.
The utility model is realized the technical scheme that above-mentioned technique effect adopts:
A kind of walking beam furnace, comprise body of heater, the front-end and back-end of described body of heater are provided with fire door, in described body of heater, be provided with stepped start-stop system travel mechanism, this stepped start-stop system travel mechanism comprises the track being laid in described body of heater and is located at the stepper on described track, wherein, in described body of heater, be provided with partition wall, burner hearth is divided into two relative solely right furnace chambers of preheating chamber and main heating chamber by this partition wall, on the furnace roof of described main heating chamber, be provided with main smoke discharging pipe, described main smoke discharging pipe two ends are connected with respectively secondary smoke discharging pipe, described secondary smoke discharging pipe is connected with the furnace wall, left and right of described preheating chamber.
Above-mentioned a kind of walking beam furnace, the furnace wall of described preheating chamber is provided with some aerosol spraying mouths, and the end of described secondary smoke discharging pipe is connected with the aerosol spraying mouth on described preheating chamber furnace wall by take-off pipe.
Above-mentioned a kind of walking beam furnace, described partition wall is provided with the soft curtain door for facilitating described stepper to pass through.
Above-mentioned a kind of walking beam furnace, the furnace roof of described preheating chamber is provided with smoke outlet.
Above-mentioned a kind of walking beam furnace, the furnace wall of described main heating chamber is provided with some burners.
The beneficial effects of the utility model are: the utility model is by being divided into body of heater relatively independent preheating chamber and main heating chamber, and high-temp waste gas unnecessary in main heating chamber is sent into preheating chamber by main smoke discharging pipe and secondary smoke discharging pipe, realize effective utilization of high-temp waste gas in main heating chamber, greatly saved cost, effects of energy conservation and environmental protection is remarkable; In addition, by preheating chamber, the cold workpiece entering in burner hearth is carried out to preheating, avoided the crack due to internal stress of cold workpiece because being heated suddenly and causing, quality product is improved, and the thermal treatment rate of cold workpiece is faster simultaneously, and production efficiency is improved.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
In figure: the main heating chamber of 1-, 2-preheating chamber, 3-partition wall, 4-furnace wall, 5-insulating brick, the main smoke discharging pipe of 6-, the secondary smoke discharging pipe of 7-, 8-burner, 9-aerosol spraying mouth, 10-track, 11-stepper, 12-soft curtain door, 13-take-off pipe, 14-combustion gas take-off pipe.
Embodiment
For making that the utility model is done further to understand, below with reference to Figure of description and specific embodiment, the utility model is described in further detail:
As shown in Figure 1, a kind of walking beam furnace, comprises body of heater, and described body of heater is made up of furnace wall 4 and the furnace roof (not shown) of surrounding, and the front-end and back-end of described body of heater are provided with fire door.In described body of heater, be provided with stepped start-stop system travel mechanism, this stepped start-stop system travel mechanism comprises the track 10 being laid in described body of heater and is located at the stepper 11 on described track 10.Wherein, as improvement of the present utility model, be provided with partition wall 3 in described body of heater, burner hearth is divided into 1 two relative solely right furnace chambers of preheating chamber 2 and main heating chamber by this partition wall 3.Partition wall 3 is provided with the soft curtain door for facilitating described stepper 11 to pass through.On the furnace roof of described main heating chamber 1, be provided with main smoke discharging pipe 6, these main smoke discharging pipe 6 two ends are connected with respectively the secondary smoke discharging pipe 7 on the first from left right side, and this pair smoke discharging pipe 7 is connected with the furnace wall, left and right 4 of preheating chamber 2.The furnace roof of preheating chamber 2 is provided with the smoke outlet for discharging cooling exhaust.
Particularly, when enforcement, the furnace wall 4 of preheating chamber 2 is provided with some aerosol spraying mouths 9, aerosol spraying mouth 9 is distributed in the bottom, furnace wall of preheating chamber 2, and aerosol spraying mouth 9 is upwards 60 ° of inclination angles with furnace wall 4, the high-temp waste gas that this design facilitates aerosol spraying mouth 9 to spray is looped around around the cold workpiece on stepper 11, forms constant temp field.The furnace wall 4 of main heating chamber 1 is provided with some burners 8, and Sweet natural gas is carried out ignition by burner 8, and ejection high temperature fireworks, carry out degree of depth thermal treatment to the workpiece being preheated in main heating chamber 1.In order to make the smoke discharging volume balance of each aerosol spraying mouth 9, the furnace wall 4 of preheating chamber 2 is provided with take-off pipe 13, and the end of secondary smoke discharging pipe 7 is connected by the aerosol spraying mouth 9 on the furnace wall of this take-off pipe 13 and preheating chamber 2.In order to be that temperature in main heating chamber 1 is more balanced, on the furnace wall 4 of main heating chamber 1, be also provided with combustion gas take-off pipe 14, this combustion gas take-off pipe 14 is connected with gas station by gas control valve, and end is connected with burner 8 again.
The working process of this walking beam furnace is: first start gas station, make the burner 8 flame burnings on main heating chamber 1, main heating chamber 1 is heated up, when the temperature in main heating chamber 1 is raised to after certain limit, restart stepped start-stop system travel mechanism, make stepper 11 carry cold workpiece and enter preheating chamber 2.In the process of main heating chamber 1 that heats up, high-temp waste gas in main heating chamber 1 enters two the secondary smoke discharging pipes 7 in left and right by the main smoke discharging pipe 6 of main heating chamber 1 furnace roof, final high temperature waste gas enters respectively each aerosol spraying mouth 9 by take-off pipe 13, aerosol spraying mouth 9 sprays into high-temp waste gas in preheating chamber 2, and the cold workpiece on stepper 11 is carried out to preheating.After the preheating regular hour, stepper 11 starts, and enters in main heating chamber 1 and carries out degree of depth thermal treatment with the workpiece of preheating.High-temp waste gas in preheating chamber 2 is expelled to waste gas treatment equipment along the smoke outlet of preheating chamber 2 furnace roofs again after having utilized.
The utility model is by being divided into body of heater relatively independent preheating chamber and main heating chamber, and high-temp waste gas unnecessary in main heating chamber is sent into preheating chamber by main smoke discharging pipe and secondary smoke discharging pipe, realize effective utilization of high-temp waste gas in main heating chamber, greatly saved cost, effects of energy conservation and environmental protection is remarkable; In addition, by preheating chamber, the cold workpiece entering in burner hearth is carried out to preheating, avoided the crack due to internal stress of cold workpiece because being heated suddenly and causing, quality product is improved, and the thermal treatment rate of cold workpiece is faster simultaneously, and production efficiency is improved.
More than show and described ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what in above-described embodiment and specification sheets, describe is principle of the present utility model; under the prerequisite that does not depart from the utility model spirit and scope, the utility model also has various changes and modifications; these changes and improvements all fall in claimed scope of the present utility model, and the protection domain that the utility model requires is defined by appending claims and equivalent thereof.
Claims (5)
1. a walking beam furnace, comprise body of heater, the front-end and back-end of described body of heater are provided with fire door, in described body of heater, be provided with stepped start-stop system travel mechanism, this stepped start-stop system travel mechanism comprises the track being laid in described body of heater and is located at the stepper on described track, it is characterized in that, in described body of heater, be provided with partition wall, burner hearth is divided into two relative solely right furnace chambers of preheating chamber and main heating chamber by this partition wall, on the furnace roof of described main heating chamber, be provided with main smoke discharging pipe, described main smoke discharging pipe two ends are connected with respectively secondary smoke discharging pipe, described secondary smoke discharging pipe is connected with the furnace wall, left and right of described preheating chamber.
2. a kind of walking beam furnace according to claim 1, is characterized in that, the furnace wall of described preheating chamber is provided with some aerosol spraying mouths, and the end of described secondary smoke discharging pipe is connected with the aerosol spraying mouth on described preheating chamber furnace wall by take-off pipe.
3. a kind of walking beam furnace according to claim 1 and 2, is characterized in that, described partition wall is provided with the soft curtain door for facilitating described stepper to pass through.
4. a kind of walking beam furnace according to claim 1, is characterized in that, the furnace wall of described main heating chamber is provided with some burners.
5. a kind of walking beam furnace according to claim 1, is characterized in that, the furnace roof of described preheating chamber is provided with smoke outlet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420007357.8U CN203715672U (en) | 2014-01-02 | 2014-01-02 | Stepping heating furnace |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420007357.8U CN203715672U (en) | 2014-01-02 | 2014-01-02 | Stepping heating furnace |
Publications (1)
Publication Number | Publication Date |
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CN203715672U true CN203715672U (en) | 2014-07-16 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201420007357.8U Expired - Fee Related CN203715672U (en) | 2014-01-02 | 2014-01-02 | Stepping heating furnace |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105331790A (en) * | 2015-11-06 | 2016-02-17 | 浙江尚鼎工业炉有限公司 | Continuous aluminum magnesium alloy thermal treatment furnace |
CN107367168A (en) * | 2017-09-08 | 2017-11-21 | 新疆湘润新材料科技有限公司 | A kind of gas-fired heater and its method for heating titanium and titanium alloy ingot casting |
-
2014
- 2014-01-02 CN CN201420007357.8U patent/CN203715672U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105331790A (en) * | 2015-11-06 | 2016-02-17 | 浙江尚鼎工业炉有限公司 | Continuous aluminum magnesium alloy thermal treatment furnace |
CN107367168A (en) * | 2017-09-08 | 2017-11-21 | 新疆湘润新材料科技有限公司 | A kind of gas-fired heater and its method for heating titanium and titanium alloy ingot casting |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20180102 |