CN210367791U - Novel quenching chamber of continuous isothermal normalizing furnace - Google Patents
Novel quenching chamber of continuous isothermal normalizing furnace Download PDFInfo
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- CN210367791U CN210367791U CN201921148252.3U CN201921148252U CN210367791U CN 210367791 U CN210367791 U CN 210367791U CN 201921148252 U CN201921148252 U CN 201921148252U CN 210367791 U CN210367791 U CN 210367791U
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Abstract
The utility model discloses a novel rapid cooling chamber of continuous isothermal normalizing furnace, core part: and the quenching chamber is used for controlling and cooling the isothermal normalizing furnace. It comprises a quenching chamber body, a circulating hot air blower, an air inlet and exhaust device and a cooling speed control system. The utility model provides a rapid cooling chamber is integrated with the rapid cooling chamber to circulating fan in, has improved the efficiency of fan, has reduced thermal loss, can reduce energy consumption, improve cooling efficiency, improve the homogeneity of part refrigerated inside temperature. The heating efficiency is improved, so that the hardness uniformity and the structure of the workpiece can be improved.
Description
Technical Field
The utility model relates to a cooling device of air cooling equipment, in particular to a novel quenching chamber of a continuous isothermal normalizing furnace, which needs to be controlled by isothermal normalizing and the like.
Background
In the conventional isothermal normalizing quenching chamber in the prior art, because a circulating fan and an air cooler are usually arranged separately from a quenching chamber body, the occupied area is large, the air channel is long and complex, and the problems of large wind resistance, large heat loss, high manufacturing cost and poor cooling effect are caused; the air mixing chambers are generally naturally mixed, cold air and hot air cannot fully exchange heat, and the temperature of cooling air is seriously uneven, so that the difference of the cooling effect of each part of a workpiece is large. The distance between the air grid plate and the circulating fan flange (actually, the air outlet of the cooling chamber) affects the cooling air speed at the bottommost part and the topmost part of the workpiece, so that the difference of the cooling speed at the bottom part, the topmost part and the middle part is caused, and the consistency of the cooling speed is affected. The temperature inside the cooling chamber rapidly increases due to the heat of the workpiece, and the cooling effect is reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a novel rapid cooling chamber of continuous isothermal normalizing furnace, concrete technical scheme is as follows:
a novel quenching chamber of a continuous isothermal normalizing furnace comprises a quenching chamber body, a circulating fan, an air cooler, an electrical control system, an air cooler valve, an exhaust pipeline and an exhaust valve;
the quenching chamber body consists of a circulating fan connecting circulating fan flange, a circulating air duct, a heat-insulating wall plate, a cooling chamber, a feeding and discharging channel, an air mixing chamber, a water mist nozzle, an air grid plate and a furnace door;
the circulating fan flange is used for connecting and positioning the circulating fan and the quenching chamber body;
the cooling chamber is arranged at the lower end of the circulating fan flange, a feeding and discharging channel is arranged in the cold air chamber, and the workpiece is placed on the feeding and discharging channel;
the circulating air duct is a passage from hot air from the circulating fan to the air mixing chamber;
the heat-insulating wall plates are distributed on the outer side of the whole quenching chamber body and are used for connection and heat insulation of the lattice structure of the quenching chamber;
the air mixing chamber is arranged at the lower end of the quenching chamber body and is used for mixing hot air from the circulating air duct and cold air sent by the air cooler to adjust the temperature, and high-pressure cold air generated by the air cooler is sent into the air mixing chamber through the cold air valve;
the inner wall of the air mixing chamber is provided with a spiral air mixing baffle for mixing air and ensuring the uniformity of air temperature;
the air grid plate is arranged between the cold air chamber and the air mixing chamber;
the water mist nozzle is arranged on the air mixing chamber and is used for starting when water mist cooling is needed to form water mist;
the exhaust valve and the exhaust channel are arranged on one side of the upper end of the quenching chamber body and are used for exhausting part of hot air as required;
the furnace door is arranged on the other side of the upper end of the quenching chamber body and is used for separating the cooling chamber from the outside;
the electric control system is an independent cabinet body and comprises a sensor, a frequency converter and other control elements for air quantity regulation, air temperature control and furnace door pushing;
the quenching chamber body, the circulating fan flange, the circulating air duct, the air mixing chamber, the air cooler valve, the exhaust pipeline and the exhaust valve form an integrated cooling circulation structure.
The preferable scheme of the novel quenching chamber of the continuous isothermal normalizing furnace is that the air grid plate is in a SR6000 spherical surface shape, and a plurality of vent holes are formed in the spherical surface;
the ventilation holes can be adjusted to control the intensity and the distribution uniformity of the cooling air.
The preferable scheme of the novel quenching chamber of the continuous isothermal normalizing furnace is that the distribution of the heat-insulating wall plates is concentrated on the outer side of the quenching chamber body, and the inner side of the quenching chamber body is not provided with the heat-insulating wall plates.
The preferable scheme of the novel quenching chamber of the continuous isothermal normalizing furnace is that the distance between the air grid plate and the workpiece is 150mm, the distance between the circulating fan flange and the workpiece is 350mm, and the distance between the side wall of the cooling chamber and the workpiece is 220 mm; for ensuring the uniformity of the distribution of the cooling wind speed in the cooling chamber.
The preferable scheme of the novel quenching chamber of the continuous isothermal normalizing furnace is that the air grate plate is divided into two layers, the upper layer can rotate, and the lower layer is fixed.
The working mode of the quenching chamber is as follows: and after the heated workpiece enters the quenching chamber through the feeding and discharging channel, the control system starts the air cooler, the air cooler valve, the circulating fan and the exhaust valve. Air begins to circulate along the air mixing chamber, the air grid plate, the cooling chamber, the circulating fan flange, the circulating fan, the circulating air duct and the air mixing chamber in sequence. Part of the hot air is exhausted from the exhaust valve and the exhaust pipeline according to the control requirement. The air quantity of the air cooler, the air quantity of the switch of the air cooler valve and the air quantity of the circulating fan are controlled by the control system according to the process requirements.
The utility model has the advantages that: the utility model discloses under the condition that does not additionally increase cost, energy resource consumption, provide a simple structure reasonable, light in weight, cooling efficiency is high, the work piece cools off even, the lower isothermal normalizing quenching room of energy resource consumption. The utility model provides a rapid cooling chamber is integrated with the rapid cooling chamber to circulating fan in, has improved the efficiency of fan, has reduced thermal loss, can reduce energy consumption, improve cooling efficiency, improve the homogeneity of part refrigerated inside temperature. The heating efficiency is improved, so that the hardness uniformity and the structure of the workpiece can be improved.
Drawings
FIG. 1 is a schematic structural view of a novel quenching chamber of a continuous isothermal normalizing furnace;
fig. 2 is a schematic structural view of the air grid plate.
In the figure, 1 is a quenching chamber body, 2 is a circulating fan, 3 is a circulating fan flange, 4 is a furnace door, 5 is a workpiece, 6 is a feeding and discharging channel, 7 is an air grid plate, 8 is an air mixing chamber, 9 is a cold air valve, 10 is an air cooler, 11 is an electrical control system, 12 is a circulating air duct, 13 is a heat preservation wall plate, 14 is a water mist nozzle, 15 is an exhaust valve, 16 is an exhaust pipeline, 17 is a spiral air mixing baffle, and 18 is a cooling chamber.
Detailed Description
As shown in fig. 1-2, the novel quenching chamber of the continuous isothermal normalizing furnace comprises a quenching chamber body 1, a circulating fan 2, a cold air blower 10, an electrical control system 11, a cold air valve 9, an exhaust duct 16 and an exhaust valve 15;
the quenching chamber body 1 consists of a circulating fan flange 3, a circulating air duct 12, a heat-insulating wall plate 13, a cooling chamber 18, a feeding and discharging channel 6, an air mixing chamber 8, a water mist nozzle 14, an air grid plate 7 and a furnace door 4;
the circulating fan flange 3 is used for connecting and positioning the circulating fan 2 and the quenching chamber body 1;
the cooling chamber 18 is arranged at the lower end of the circulating fan method 3, a feeding and discharging channel 6 is arranged in the cold air chamber 18, and the workpiece 5 is placed on the feeding and discharging channel 6;
the circulating air duct 12 is a passage from hot air from the circulating fan 2 to the air mixing chamber 8;
the heat-insulating wall plate 13 is distributed on the outer side of the whole quenching chamber body 1 and is used for connecting and insulating various structures of the quenching chamber body 1;
the air mixing chamber 8 is arranged at the lower end of the quenching chamber body 1 and is a cavity for mixing and adjusting the temperature of hot air from the circulating air duct 12 and cold air from the air cooler 10, and high-pressure cold air generated by the air cooler 10 is sent into the air mixing chamber 8 through the cold air valve 9;
the inner wall of the air mixing chamber 8 is provided with a spiral air mixing baffle 17 for mixing air and ensuring the uniformity of air temperature;
the air grid plate 7 is arranged between the cold air chamber 18 and the air mixing chamber 8;
the water mist device 14 is a water mist generating device, is arranged on the air mixing chamber 8 and is used for starting when the water mist is required to be cooled to form water mist;
the exhaust valve 15 and the exhaust channel 16 are arranged on one side of the upper end of the quenching chamber body 1 and are used for exhausting part of hot air according to requirements;
the furnace door 4 is arranged at the other side of the upper end of the quenching chamber body 1 and is used for separating the cooling chamber from the outside;
the motor control system 11 is arranged on the quenching chamber body 1, and the motor control system 1 comprises a sensor, a frequency converter and other control elements for air volume regulation, air temperature control and furnace door pushing;
the quenching chamber body 1, the circulating fan 2, the circulating fan flange 3, the circulating air duct 12, the air mixing chamber 8, the air cooler 10, the air cooler valve 9, the exhaust duct 16 and the exhaust valve 15 form an integrated cooling circulation structure.
The air grid plate 7 is in a SR6000 spherical surface shape, and a plurality of air vents are arranged on the spherical surface; the air grid plate structure is an upper layer and a lower layer, the lower layer is fixed, and the upper layer can rotate;
the ventilation holes are adjustable by rotating the upper air grid plate and are used for controlling the intensity and the distribution uniformity of cooling air.
The distribution of the heat-insulating wall plates 13 is concentrated on the outer side of the quenching chamber body 1, and no heat-insulating wall plate is arranged on the inner side.
The distance between the air grid plate 7 and the workpiece 8 is 150mm, the distance between the circulating fan flange 3 and the workpiece 5 is 350mm, and the distance between the side wall of the cooling chamber 18 and the workpiece 5 is 220 mm; for ensuring uniformity of distribution of cooling wind speed within the cooling chamber 18.
The air grid plate 7 is divided into two layers, the upper layer can rotate, and the lower layer is fixed.
The working mode of the quenching chamber is as follows: after the heated workpiece enters the quenching chamber 18 through the feeding and discharging channel 6, the control system starts the cold air blower 10, the cold air valve 9, the circulating fan 2 and the exhaust valve 15. Air begins to circulate along the air mixing chamber 8, the air grid plate 7, the cooling chamber 18, the circulating fan flange 3, the circulating fan 2, the circulating air duct 12 and the air mixing chamber 8 in sequence. Part of the hot air is discharged from the exhaust valve 15 and the exhaust duct 16 according to the control requirements. The air quantity of the air cooler 10, the switch of the air cooler valve 9 and the air quantity of the circulating fan 2 are controlled by the control system according to the process requirements.
Claims (5)
1. The utility model provides a novel rapid cooling chamber of continuous isothermal normalizing furnace which characterized in that: comprises a quenching chamber body, a circulating fan, a cold air blower, an electrical control system, a cold air valve, an exhaust pipeline and an exhaust valve;
the quenching chamber body consists of a circulating fan flange, a circulating air duct, a heat-insulating wall plate, a cooling chamber, a feeding and discharging channel, an air mixing chamber, a water mist device, an air grid plate and a furnace door;
the circulating fan flange is used for connecting and positioning the circulating fan and the quenching chamber body;
the cooling chamber is arranged at the lower end of the circulating fan flange, a feeding and discharging channel is arranged in the cold air chamber, and the workpiece is placed on the feeding and discharging channel;
the circulating air duct is a passage from hot air from the circulating fan to the air mixing chamber;
the heat-insulating wall plates are distributed on the outer side of the whole quenching chamber body and are used for connection and heat insulation of the lattice structure of the quenching chamber;
the air mixing chamber is arranged at the lower end of the quenching chamber body and is used for mixing hot air from the circulating air duct and cold air sent by the air cooler to adjust the temperature, and high-pressure cold air generated by the air cooler is sent into the air mixing chamber through the cold air valve;
the inner wall of the air mixing chamber is provided with a spiral air mixing baffle for mixing air and ensuring the uniformity of air temperature;
the air grid plate is arranged between the cold air chamber and the air mixing chamber;
the water mist nozzle is arranged on the air mixing chamber and is used for starting when water mist cooling is needed to form water mist;
the exhaust valve and the exhaust channel are arranged on one side of the upper end of the quenching chamber body and are used for exhausting part of hot air as required;
the furnace door is arranged on the other side of the upper end of the quenching chamber body, is opened during feeding and discharging, and is used for separating the cooling chamber from the outside at other times;
the electric control system is an independent electric control cabinet and comprises a sensor, a frequency converter and other control elements for air quantity regulation, air temperature control and furnace door action;
the quenching chamber body, the circulating fan flange, the circulating air duct, the air mixing chamber, the air cooler valve, the exhaust pipeline and the exhaust valve form an integrated cooling circulation structure.
2. The novel quenching chamber of a continuous isothermal normalizing furnace as set forth in claim 1, wherein: the air grid plate is in a SR6000 spherical surface shape, and a plurality of air vents are arranged on the spherical surface;
the ventilation holes can be adjusted to control the intensity and the distribution uniformity of the cooling air.
3. The novel quenching chamber of a continuous isothermal normalizing furnace as set forth in claim 1, wherein: the distribution of the heat-insulating wall plates is concentrated on the outer side of the quenching chamber body, and no heat-insulating wall plate is arranged on the inner side.
4. The novel quenching chamber of a continuous isothermal normalizing furnace as set forth in claim 1, wherein: the distance between the air grid plate and the workpiece is 150mm, the distance between the circulating fan flange and the workpiece is 350mm, and the distance between the side wall of the cooling chamber and the workpiece is 220 mm; for ensuring the uniformity of the distribution of the cooling wind speed in the cooling chamber.
5. The novel quenching chamber of a continuous isothermal normalizing furnace as set forth in claim 1, wherein: the air grid plate is divided into two layers, the upper layer can rotate, and the lower layer is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921148252.3U CN210367791U (en) | 2019-07-22 | 2019-07-22 | Novel quenching chamber of continuous isothermal normalizing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921148252.3U CN210367791U (en) | 2019-07-22 | 2019-07-22 | Novel quenching chamber of continuous isothermal normalizing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210367791U true CN210367791U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921148252.3U Active CN210367791U (en) | 2019-07-22 | 2019-07-22 | Novel quenching chamber of continuous isothermal normalizing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210367791U (en) |
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2019
- 2019-07-22 CN CN201921148252.3U patent/CN210367791U/en active Active
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