A kind of batch-type furnace
Technical field
The present invention relates to a kind of batch-type furnace.
Background technology
Box electric furnace is mainly for metal part or steel alloy parts carry out the use of heat treatment process in atmosphere, existing box electric furnace furnace wall adopts heavy and light-weight insulating brick to be built into, owing to radiation loss is serious, in addition savings heat is big, the thermal efficiency is low, waste mass energy, do not control the control assembly of hot-air flowing in stove in furnace wall and be easy to the passage of hot-air flowing, fire door is poor sealing performance when mounted, thus it cannot be guaranteed that the stationarity of temperature in burner hearth, it is unfavorable for the heat treated of workpiece, the result processed can not meet requirement, improve the repair rate of workpiece, result of use is poor.
Summary of the invention
The technical problem to be solved in the present invention is exactly a kind of batch-type furnace, it is possible to well solve that the sealing property that existing batch-type furnace exists is bad, the defect of non-uniform temperature in burner hearth.
In order to solve above-mentioned technical problem, the present invention is achieved by the following technical solutions: a kind of batch-type furnace, including the furnace shell being provided with burner hearth, it is rotatably connected on the fire door on furnace shell, it is provided with some in described burner hearth and adds heat pipe, the described furnace shell at burner hearth rear portion is provided with at least one hot air circulating system, at least one piece of wind deflector it is provided with in described burner hearth, the middle part of described wind deflector is provided with pod apertures, the inwall of wind deflector and burner hearth forms an air channel being easy to burner hearth interior-heat air circulation flow, the sidewall of described furnace shell is provided with an air inlet, the top of described furnace shell is provided with an oil extraction mouth, it is provided with at least one piece in described burner hearth and is easy to the loading tray that workpiece is placed, by graphite packing_seal between described fire door and furnace shell.
Preferably, motor that described hot air circulating system includes being arranged on furnace shell, it is arranged on motor fan blade, the lateral wall of described furnace shell is provided with the installing plate for supporting motor, rotated by Motor Control fan blade, thus the hot-air flowing controlled in burner hearth, it is ensured that the stationarity of temperature in burner hearth, simple in construction, the setting of installing plate, it is to avoid the vibration of furnace shell during electric motor operation, improves stability.
Preferably, the first shelf and second shelf of heat pipe deformation is added when furnace shell being provided with for preventing and heating, described first shelf includes the first horizontal plate, second horizontal plate, it is arranged on the vertical plate between the first horizontal plate and the second horizontal plate, described vertical plate is arranged on the sidewall of furnace shell, described first horizontal plate and the second horizontal plate are equipped with a convex edge portion raised up, the described heat pipe that adds is arranged on the first horizontal plate and the second horizontal plate, described second shelf is arranged on top and the bottom of furnace shell, described second shelf includes starting stave, second riser, it is arranged on the horizontal cross plate on starting stave and the second riser, described horizontal cross plate is provided with at least two and adds heat pipe, described starting stave and the second riser are equipped with outward extending extension, setting by the first shelf and the second shelf, adapt to add heat pipe in what be arranged in burner hearth diverse location, improve the service life adding heat pipe, decrease the damage adding heat pipe, the heat pipe that adds of burner hearth both sides is arranged on the first horizontal plate and second horizontal plate of the first shelf, and avoided by the setting in convex edge portion and to add heat pipe and depart from the first shelf, the heat pipe that adds at upper and lower for burner hearth two ends is arranged on the horizontal cross plate of the second shelf, result of use is good, simple in construction, easy installation and removal.
Preferably, described furnace shell is formed by shaped steel and steel plate installed-welded, and the medial wall of described steel plate is provided with the heat-insulation layer that one layer of sour aluminum fiber is cotton, cost is decreased relative to existing insulating brick, simple in construction, easy for installation, be conducive to the temperature in burner hearth to process, be conducive to the heating of workpiece.
Preferably, one end of described fire door is connected on furnace shell by axis of rotation, described furnace shell is provided with the hinge controlling fire door rotational angle, described fire door is provided with and controls the handle that fire door rotates, one end of described handle is connected with rotating shaft, the other end of described handle is fixedly connected on fire door, described fire door is provided with is easy to the mounting seat that handle is installed, described fire door is provided with the pressing handwheel that fire door is locked on furnace shell by least two, described pressing handwheel is connected on fire door by threads turn, good seal performance, the setting of pressing handwheel, avoid fire door opening operationally, improve security performance, the angle that fire door rotates is controlled by hinge, adapt to the placement of different workpieces, result of use is good.
Preferably, it is provided with in described burner hearth and is easy to the installing rack that loading tray is installed, described installing rack includes the first riser, second riser, the some groups of support component being arranged between the first riser and the second riser, described support component includes the first bracing frame being fixedly connected on the first riser, it is fixedly connected on the second bracing frame on the second riser, at least one is arranged on the reinforcement on the first bracing frame and the second bracing frame, the longitudinal section of described first bracing frame and the longitudinal section of the second bracing frame are L-shaped, selectivity installation can be carried out according to the workpiece on loading tray, the setting of reinforcement, improve the bulk strength of installing rack, decrease the damage of installing rack, ensure that the heat treated of workpiece.
In sum, advantages of the present invention: realize the sealing to fire door Yu furnace shell by graphite packing, effectively improve the attachment structure of existing fire door and furnace shell, improve sealing property, by adding Heat Pipes to the heating of air in burner hearth, and control hot-air air channel internal circulation flow between wind deflector and burner hearth by hot air circulating system, ensure that the stability of hot-air in burner hearth, it is heated evenly, improve the heating surface (area) (HS of workpiece, improve the quality after the heating of workpiece, decrease the damage of workpiece, the oil smoke discharge burner hearth that heated parts produces is achieved by blast pipe and oil-smoke expulsion pipe, decrease the working strength that follow-up burner hearth cleans.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the structural representation of a kind of batch-type furnace of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the structural representation that fire door of the present invention is connected with furnace shell;
Fig. 4 is the structural representation of installing rack of the present invention;
Fig. 5 is the structural representation of the present invention the first shelf;
Fig. 6 is the structural representation of the present invention the second shelf.
Detailed description of the invention
Such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Fig. 6, a kind of batch-type furnace, including the furnace shell 1 being provided with burner hearth 10, it is rotatably connected on the fire door 2 on furnace shell 1, it is provided with some in described burner hearth 10 and adds heat pipe 3, the described furnace shell 1 at burner hearth 10 rear portion is provided with at least one hot air circulating system 4, the quantity of hot air circulating system 4 can require to determine according to the size of burner hearth and air quantity, it is provided with at least one piece of wind deflector 5 in described burner hearth 10, the middle part of described wind deflector 5 is provided with pod apertures, the inwall of wind deflector 5 and burner hearth 10 forms an air channel being easy to burner hearth 10 interior-heat air circulation flow, the sidewall of described furnace shell 1 is provided with an air inlet 11, the top of described furnace shell 1 is provided with an oil extraction mouth 12, it is provided with at least one piece in described burner hearth 10 and is easy to the loading tray 6 that workpiece is placed, the quantity of loading tray 6 regulates according to the size of furnace shell 1, sealed by graphite packing 20 between described fire door 2 and furnace shell 1, described hot air circulating system 4 includes the motor 41 being arranged on furnace shell 1, it is arranged on motor 41 fan blade 42, the lateral wall of described furnace shell 1 is provided with the installing plate 13 for supporting motor 41, rotated by Motor Control fan blade, thus the hot-air flowing controlled in burner hearth, ensure that the stationarity of temperature in burner hearth, simple in construction, the setting of installing plate, avoid the vibration of furnace shell during electric motor operation, improve stability, the first shelf 8 and the second shelf 9 of heat pipe 3 deformation is added when furnace shell 1 being provided with for preventing and heating, described first shelf 8 includes the first horizontal plate 81, second horizontal plate 82, it is arranged on the vertical plate 83 between the first horizontal plate 81 and the second horizontal plate 82, described vertical plate 83 is arranged on the sidewall of furnace shell 1, described first horizontal plate 81 and the second horizontal plate 82 are equipped with a convex edge portion 80 raised up, the described heat pipe 3 that adds is arranged on the first horizontal plate 81 and the second horizontal plate 82, described second shelf 9 is arranged on top and the bottom of furnace shell 1, described second shelf 9 includes starting stave 91, second riser 92, it is arranged on the horizontal cross plate 93 on starting stave 91 and the second riser 92, described horizontal cross plate 93 is provided with at least two and adds heat pipe 3, described starting stave 91 and the second riser 92 are equipped with outward extending extension 90, setting by the first shelf and the second shelf, adapt to add heat pipe in what be arranged in burner hearth diverse location, improve the service life adding heat pipe, decrease the damage adding heat pipe, the heat pipe that adds of burner hearth both sides is arranged on the first horizontal plate and second horizontal plate of the first shelf, and avoided by the setting in convex edge portion and to add heat pipe and depart from the first shelf, the heat pipe that adds at upper and lower for burner hearth two ends is arranged on the horizontal cross plate of the second shelf, result of use is good, simple in construction, easy installation and removal, described furnace shell 1 is formed by shaped steel and steel plate installed-welded, the medial wall of described steel plate is provided with the heat-insulation layer 14 that one layer of sour aluminum fiber is cotton, cost is decreased relative to existing insulating brick, simple in construction, easy for installation, the temperature in burner hearth is conducive to process, be conducive to the heating of workpiece, one end of described fire door 2 is rotatably connected on furnace shell 1 by rotating shaft 21, described furnace shell 1 is provided with the hinge 22 controlling fire door 2 rotational angle, described fire door 2 is provided with and controls the handle 23 that fire door 2 rotates, one end of described handle 23 is connected with rotating shaft 21, the other end of described handle 23 is fixedly connected on fire door 2, described fire door 2 is provided with is easy to the mounting seat 25 that handle is installed, described fire door 2 is provided with the pressing handwheel 24 that fire door 2 is locked on furnace shell 1 by least two, described pressing handwheel 24 is connected on fire door 2 by threads turn, good seal performance, the setting of pressing handwheel, avoid fire door opening operationally, improve security performance, the angle that fire door rotates is controlled by hinge, adapt to the placement of different workpieces, result of use is good, good seal performance, the setting of pressing handwheel, avoid fire door opening operationally, improve security performance, the angle that fire door rotates is controlled by hinge, adapt to the placement of different workpieces, result of use is good, it is provided with in described burner hearth 10 and is easy to the installing rack 7 that loading tray 6 is installed, described installing rack 7 includes the first riser 71, second riser 72, the some groups of support component 73 being arranged between the first riser 71 and the second riser 72, described support component 73 includes the first bracing frame 74 being fixedly connected on the first riser 71, it is fixedly connected on the second bracing frame 75 on the second riser 72, at least one is arranged on the reinforcement 76 on the first bracing frame 74 and the second bracing frame 75, the longitudinal section of described first bracing frame 74 and the longitudinal section of the second bracing frame 75 are L-shaped, selectivity installation can be carried out according to the workpiece on loading tray, the setting of reinforcement, improve the bulk strength of installing rack,
The workpiece needing heating is positioned in loading tray 6, and it is placed on installing rack 7, control fire door 2 by rotating shaft 21 and be fixed on furnace shell 1, and by pressing handwheel 24, fire door 2 is locked on furnace shell 1, connection adds heat pipe 3 and works, thus being heated workpiece processing, opening motor 41 makes fan blade 32 rotate, hot-air in stove is made to be circulated flowing by the air channel of wind deflector 5 with burner hearth 10 inwall composition, make heating-up temperature in stove uniform, realize the uniform heating to workpiece, thus decreasing the damage of workpiece, connect blower fan by air inlet 11 to realize drum in burner hearth is entered new wind, and oil extraction mouth 12 access blower fan realize heating work produce oil smoke discharge burner hearth.
The sealing to fire door Yu furnace shell is realized by graphite packing, effectively improve the attachment structure of existing fire door and furnace shell, improve sealing property, by adding Heat Pipes to the heating of air in burner hearth, and control hot-air air channel internal circulation flow between wind deflector and burner hearth by hot air circulating system, ensure that the stability of hot-air in burner hearth, it is heated evenly, improve the heating surface (area) (HS of workpiece, improve the quality after the heating of workpiece, decrease the damage of workpiece, the oil smoke discharge burner hearth that heated parts produces is achieved by blast pipe and oil-smoke expulsion pipe, decrease the working strength that follow-up burner hearth cleans.