CN210089369U - Novel energy-saving environment-friendly heat treatment resistance furnace special for controllable atmosphere hammer head - Google Patents
Novel energy-saving environment-friendly heat treatment resistance furnace special for controllable atmosphere hammer head Download PDFInfo
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- CN210089369U CN210089369U CN201920816329.3U CN201920816329U CN210089369U CN 210089369 U CN210089369 U CN 210089369U CN 201920816329 U CN201920816329 U CN 201920816329U CN 210089369 U CN210089369 U CN 210089369U
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Abstract
A special heat treatment resistance furnace for an energy-saving environment-friendly controllable atmosphere hammer comprises a sealing cover, wherein an electric heating element is arranged in the sealing cover, the sealing cover is composed of an upper sealing cover and a lower sealing groove, a heat insulation layer is sleeved in the upper sealing cover, an electric heating element is arranged on the inner wall of the heat insulation layer, a thermocouple is arranged in the electric heating element and is connected with a controller, an air flow stirring device is arranged in the upper sealing cover, a driving device of the air flow stirring device is fixed on the upper sealing cover and is connected with the controller, a controlled atmosphere preparation instillator is also arranged in the upper sealing cover and is connected with the controller through an electromagnetic valve, the controlled atmosphere preparation instillator extends into the upper sealing cover, a carbon potential meter penetrates through the upper sealing cover, the heat insulation layer and the electric heating element and extends into the upper sealing cover, the carbon pad meter is connected with the controller, and the upper sealing cover is installed on a, the lifting mechanism is connected with the controller. The heated hammer head in the furnace is ensured to be heated uniformly, the surface oxidation and decarburization are less, the metal loss is less, and the mechanical property is balanced and stable.
Description
Technical Field
The utility model belongs to the equipment for the heat treatment production of metal materials, in particular to a special bell-type high-temperature heat treatment resistance furnace for a wear-resistant material hammer.
Background
In the prior domestic production process of the wear-resistant material hammerhead, heat treatment equipment and a heat treatment process are key elements, the heat treatment temperature of the wear-resistant material hammerhead is generally 980-1100 ℃, and the high-temperature heat treatment furnace has high requirements on the heat resistance of furnace body materials, the heat preservation of a hearth, oxidation and decarbonization resistance and the temperature uniformity. At present, wear-resistant material production enterprises generally use a gas and natural gas combustion furnace to heat the wear-resistant material hammer, and the heat treatment furnace heated by the gas and the natural gas generally has poor heat preservation and low furnace temperature uniformity, so that the surface of the heat treatment hammer is seriously oxidized and decarburized. The prior high-temperature heat treatment furnaces use a trolley type box resistance furnace, but the sealing performance of the furnace door of the trolley type heat treatment furnace is poor, the air leakage is serious, hot air in the furnace overflows under the high-temperature condition, and cold air containing oxygen outside the furnace flows inwards to form oxidizing atmosphere in the furnace, so that the surface of the heat treatment hammer head is oxidized and decarburized seriously. The surface of the hammer is seriously oxidized and decarburized, so that the mechanical property and the service life of the hammer are reduced, and the metal loss is increased and precious metal resources are wasted due to serious oxidation. Meanwhile, the high-temperature heat treatment, especially the coal gas high-temperature heat treatment furnace, has serious environmental pollution.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a special heat treatment resistance furnace of controllable atmosphere tup of energy-concerving and environment-protective, the utility model discloses it heats evenly, the heat insulating ability is good, the leakproofness is strong to have furnace, has reducing atmosphere in the furnace to guaranteed that the tup that heats in the stove is heated evenly, and the surface oxidation decarbonization is few, and the metal loss is few, and mechanical properties is balanced stable.
The utility model discloses a following technical scheme realizes:
a heat treatment resistance furnace special for an energy-saving environment-friendly controllable atmosphere hammer comprises a sealing cover, wherein an electric heating element is arranged in the sealing cover, the sealing cover is composed of an upper sealing cover and a lower sealing groove, the upper sealing cover is matched with the lower sealing groove, a heat insulation layer is sleeved in the upper sealing cover, the electric heating element is arranged on the inner wall of the heat insulation layer, a thermocouple is arranged in the electric heating element, a lead of the thermocouple passes through the electric heating element, the heat insulation layer and the upper sealing cover to be connected with a controller, an airflow stirring device is arranged in the upper sealing cover, a driving device of the airflow stirring device is fixed on the upper sealing cover, the driving device is connected with the controller, a controlled atmosphere preparation instillator is further arranged in the upper sealing cover, the controlled atmosphere preparation instillator is connected with the controller through an electromagnetic valve, and the controlled atmosphere preparation instillator passes through the, the carbon potential meter penetrates through the upper sealing cover, the heat preservation layer and the electric heating element to extend into the upper sealing cover, the carbon pad meter is connected with the controller, the upper sealing cover is installed on the supporting frame through the lifting mechanism, and the lifting mechanism is connected with the controller.
According to the special energy-saving environment-friendly atmosphere-controllable heat treatment resistance furnace for the hammerhead, the lifting mechanism is a winch, a winding drum of the winch is arranged at the top of the support frame, and the end part of a winding drum steel wire rope or a chain of the winch is fixedly connected with the upper sealing cover.
Above-mentioned special heat treatment resistance furnace of energy-concerving and environment-protective controllable atmosphere tup, the bottom of going up sealed cowling is provided with the stop collar, and the stop collar cover is established on the support frame montant and with support frame montant sliding connection.
The special energy-saving environment-friendly atmosphere-controllable heat treatment resistance furnace for the hammerhead is characterized in that the support frame vertical rod is provided with a limiting plate, the limiting plate is provided with a travel switch, and the travel switch is connected with the controller.
The special energy-saving environment-friendly heat treatment resistance furnace for the controllable atmosphere hammer head is characterized in that the lower sealing groove is a sealing groove arranged on the traveling device, sealing sand is filled in the sealing groove, a sand sealing flashboard is arranged at the bottom of the upper sealing cover, a furnace bottom plate is further paved on the traveling device, a heavy refractory brick supporting the furnace bottom plate and the weight of a workpiece needing heat treatment is arranged below the furnace bottom plate, and an electric heating element, namely a resistance belt or a resistance wire, is paved in a groove of the heavy refractory brick.
According to the special energy-saving environment-friendly atmosphere-controllable heat treatment resistance furnace for the hammerhead, the support frame is erected on the track, and the traveling device is matched with the track.
According to the special energy-saving environment-friendly heat treatment resistance furnace for the controllable atmosphere hammerhead, the heat preservation layer is a high-temperature-resistant aluminum silicate refractory felt, and is fixed on the inner wall of the upper sealing cover through heat-resistant steel nails or refractory material columnar nails.
According to the special energy-saving environment-friendly controllable atmosphere heat treatment resistance furnace for the hammerhead, the electric heating element is a resistance band, and is fixed on the heat insulation layer through the refractory material columnar nails or the heat-resistant steel nails.
According to the special energy-saving environment-friendly atmosphere-controllable heat treatment resistance furnace for the hammerhead, the airflow stirring device is a circulating fan blade, the driving device is a circulating fan motor, the circulating fan blade extends out of the upper sealing cover through a circulating fan shaft and is connected with the output end of the circulating fan motor, and the circulating fan motor is connected with the controller.
According to the special energy-saving environment-friendly heat treatment resistance furnace for the controllable atmosphere hammer head, the traveling device is provided with the second power supply plugging device, the first power supply plugging device of the resistance band in the upper sealing cover is arranged at the bottom of the upper sealing cover, and the first power supply plugging device is matched with the second power supply plugging device.
The utility model has the advantages that:
1. the sealing performance of the hearth is improved by adopting a bell jar type device, and the sealing performance of the whole hearth is ensured by the bell jar through a shell steel plate, a high-temperature-resistant aluminum silicate refractory cotton heat-insulating layer with strict compactness and a sand seal flashboard;
2. a circulating fan and fan blades are additionally arranged, so that the circulation and convection of hot air in the hearth are increased, and the temperature uniformity of the whole hearth is ensured;
3. the atmosphere control preparation instillator (the utility model is applied to the kerosene instillator) and the carbon type instrument are added to keep the reducing atmosphere in the hearth and reduce the oxidation and decarburization on the surface of the hammer head;
4. the temperature is measured and controlled in multiple areas by a plurality of thermocouples uniformly distributed in the furnace body, so that the temperature uniformity in the hearth is ensured;
5. according to the structural characteristics of the hammer heads, the special trolley device is designed, and the heating uniformity of each hammer head in the furnace is ensured, so that the uniformity of the mechanical property of each hammer head is ensured, and the overall quality of the hammer head yield is improved.
The utility model discloses a have that furnace heating is even, the heat insulating ability is good, the leakproofness is strong, has reducing atmosphere in the furnace to the tup that heats in the stove of assurance is heated evenly, and the surface oxidation decarbonization is few, and the metal loss is few, and mechanical properties is balanced stable.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the support frame and the upper sealing cap of fig. 1.
Fig. 3 is a schematic diagram of the structure of the resistance band of the present invention.
FIG. 4 is a schematic view of the heavy refractory brick and the electric heating element of the trolley of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1-4, the special energy-saving environment-friendly heat treatment resistance furnace for the controllable atmosphere hammerhead comprises a sealing cover, wherein an electric heating element 4 is arranged in the sealing cover, the sealing cover is composed of an upper sealing cover 1 and a lower sealing groove, the upper sealing cover is matched with the lower sealing groove, a heat insulation layer 2 is sleeved in the upper sealing cover, the heat insulation layer is a high-temperature-resistant aluminum silicate refractory felt, and the heat insulation layer is fixed on the inner wall of the upper sealing cover through heat-resistant steel nails or refractory material columnar nails, so that the sealing cover has a heat insulation effect; an electric heating element 4 is arranged on the inner wall of the heat-insulating layer, the electric heating element is a resistance band, is made of heat-resistant steel with high temperature resistance, oxidation resistance and high temperature strength, and is fixed on the heat-insulating layer through a refractory material columnar nail or a heat-resistant steel nail; a thermocouple is arranged in the electric heating element, and a lead of the thermocouple passes through the electric heating element, the heat insulation layer and the upper sealing cover to be connected with the controller. Five thermocouples are arranged at four corners of the upper sealing cover and at the position of the center of the upper sealing cover, which is spaced from the circulating fan blade, and are arranged at the same height position in the hearth for measuring the temperature of different parts in the hearth of the upper sealing cover. The thermocouple is a control instrument temperature measuring device for controlling the resistance band to normally work, is connected to the controller through a compensation lead, and controls the heating or stopping of the heating of the resistance band or the resistance wire through the controller.
An airflow stirring device 6 is arranged at the center of the upper sealing cover, a driving device 5 of the airflow stirring device is fixed on the upper sealing cover and is connected with the driving device, and the driving device is connected with a controller. The upper sealing cover is internally provided with a high-temperature-resistant aluminum silicate refractory cotton heat-insulating layer with tight compactness, a sand seal flashboard and a resistance band, so that the sealing property and the heat insulating property of the whole hearth are ensured.
And a controlled atmosphere preparation instillator 8 is also arranged in the upper sealing cover, the controlled atmosphere preparation instillator 8 is a kerosene instillator, kerosene is used as a reducing atmosphere preparation, and the kerosene generates a carbon monoxide reducing atmosphere through thermal cracking. The controlled atmosphere preparation instillator 8 is connected with the controller through an electromagnetic valve, the controlled atmosphere preparation instillator penetrates through the upper sealing cover, the heat insulation layer and the electric heating element and extends into the upper sealing cover, the carbon potential meter 9 penetrates through the upper sealing cover, the heat insulation layer and the electric heating element and extends into the upper sealing cover, the carbon pad meter is connected with the controller, and the carbon potential meter 9 is a control meter for controlling the reducing atmosphere in the hearth to adjust the normal work of the kerosene instillation device; and controlling the kerosene drip injector to adjust the height of the reducing atmosphere in the hearth according to the height of the carbon type atmosphere in the hearth.
The utility model discloses an upper seal cover passes through elevating system 11 to be installed on the support frame, and elevating system is connected with the controller. The lifting mechanism 11 is a winch, controls the upper sealing cover to lift, a winding drum of the winch is installed at the top of the support frame, a winding shaft of the winding drum is connected with the winch motor, a steel wire rope or a chain is wound on the winding drum, and the end part of the steel wire rope or the chain of the winding drum of the winch is fixedly connected with the upper sealing cover 1.
The utility model discloses a bottom of going up sealed cowling is provided with stop collar 13, the stop collar cover establish on the support frame montant and with support frame montant sliding connection. The limiting plate is arranged on the vertical rod of the support frame, the travel switch is arranged on the limiting plate and connected with the controller, the limiting plate can control the lifting height of the upper sealing cover, and the travel switch is an electrical control device for limiting the lifting height of the bell jar. The upper sealing cover lifting device 11 is controlled through the mounted travel switch, and the lifting height of the upper sealing cover 1 is adjusted.
The utility model discloses lower part seal groove is for setting up the seal groove on running gear 3, and the packing is sealed husky in the seal groove, is provided with sand seal flashboard 10 in last sealed cowling bottom, goes up the sealed cowling decline, and sand seal flashboard plays sand seal effect in inserting the sealed husky of seal groove. A furnace bottom plate 16 is laid on the walking device, heavy refractory bricks 15 for supporting the furnace bottom plate and the weight of the workpiece needing heat treatment are arranged under the furnace bottom plate, and an electric heating element 17, namely a resistance belt or a resistance wire, is laid in the grooves of the heavy refractory bricks.
The furnace bottom plate bears the weight of the casting and protects a heat-resistant steel plate of a resistance band laid in the trolley; the casting 17 to be heat treated in operation is placed on the furnace floor.
The utility model discloses the support frame is frame construction, erects on track 14, and running gear 3 cooperatees with the track, the utility model discloses the platform truck that running gear can make foundry goods dress stove, play stove for stacking heat treatment foundry goods, the platform truck is the vice cooperation of track with the track, and the platform truck can walk on the track and realize the action of dress stove and play stove. The utility model discloses the platform truck is a trigger, and 16 lays on the trigger, be provided with the lower part seal groove around the trigger, is provided with sealed sand in the seal groove of lower part, is provided with second power grafting device all around the trigger, and the first power grafting device setting in resistance area is in the bottom of last sealed cowling, and first power grafting device and second power grafting device looks adaptation.
The utility model discloses a resistance area in going up the sealed cowling sets up on last sealed cowling inner wall for the in bank, and the resistance area is that the resistance wire becomes wavy winding on last sealed cowling inner wall.
The utility model discloses a platform truck is a platform truck, and the one end of platform truck has to pull to link up, is provided with the platform truck baffle on the track that last sealed cowling corresponds, when the platform truck moves to baffle department, compelled to stop, and the position that the platform truck stopped just corresponds with last sealed cowling, therefore the baffle can make the platform truck just stop under last sealed cowling.
The scheme of intelligence that prefers more is, is provided with proximity switch in the track one end that last sealed cowling corresponds, and proximity switch is connected with the controller, and the traction drive device who pulls the platform truck is connected with the controller, and when the platform truck moved proximity switch, proximity switch passed to the controller with the signal, and controller control traction drive device stops, just makes the platform truck stop under last sealed cowling, and is corresponding with last sealed cowling, conveniently carries out the sand seal.
The trolley of the utility model is a plate trolley, a row of refractory bricks and a row of lower resistance strips are laid on the upper surface of the plate trolley at intervals, and a furnace bottom plate is laid on the upper parts of the refractory bricks and the lower resistance strips; the lower resistance belt is a spiral resistance wire, a second power supply plug-in device connected with the lower resistance belt is further arranged on the side face of the plate trailer, the second power supply plug-in device is matched with the first power supply plug-in device, and the first power supply plug-in device and the second power supply plug-in device are devices for electrifying the resistance belt 4 in the heat treatment furnace; the furnace bottom plate bears the scale cinder dropped off from the surface of the heat treatment casting and prevents the scale cinder from falling to the lower resistance belt in the trolley device to cause the short circuit and burning of the lower resistance belt; the periphery of the plate trailer is provided with a lower sealing groove, a sand sealing layer is arranged in the lower sealing groove, and a sand sealing flashboard seals the whole upper sealing cover and buries heat-resistant steel plates in sealing sand, and the whole upper sealing cover is sealed by burying the lower sealing groove (namely a sand sealing groove).
The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides a special heat treatment resistance furnace of controllable atmosphere tup of energy-concerving and environment-protective, includes the sealed cowling, sets up electric heat original paper, its characterized in that in the sealed cowling: the sealing cover is composed of an upper sealing cover and a lower sealing groove, the upper sealing cover is matched with the lower sealing groove, a heat-insulating layer is sleeved in the upper sealing cover, an electric heating element is arranged on the inner wall of the heat-insulating layer, a thermocouple is arranged in the electric heating element, a lead of the thermocouple penetrates through the electric heating element, the heat-insulating layer and the upper sealing cover to be connected with a controller, an air flow stirring device is arranged in the upper sealing cover, a driving device of the air flow stirring device is fixed on the upper sealing cover and is connected with the controller, a controlled atmosphere preparation instillator is also arranged in the upper sealing cover and is connected with the controller through an electromagnetic valve, the controlled atmosphere preparation instillator penetrates through the upper sealing cover, the heat-insulating layer and the electric heating element to extend into the upper sealing cover, a carbon potential instrument penetrates through the upper sealing cover, the heat-insulating layer and the electric heating element to, the upper sealing cover is arranged on the supporting frame through a lifting mechanism, and the lifting mechanism is connected with the controller.
2. The special energy-saving environment-friendly heat treatment resistance furnace for the hammer head with the controllable atmosphere according to claim 1, is characterized in that: the lifting mechanism is a winch, a winding drum of the winch is installed at the top of the support frame, and the end part of a winding drum steel wire rope or a chain of the winch is fixedly connected with the upper sealing cover.
3. The special energy-saving environment-friendly heat treatment resistance furnace for the hammer head with the controllable atmosphere according to claim 2, is characterized in that: the bottom of going up sealed cowling is provided with the stop collar, and the stop collar cover is established on the support frame montant and with support frame montant sliding connection.
4. The special energy-saving environment-friendly heat treatment resistance furnace for the hammer head with the controllable atmosphere according to claim 3, is characterized in that: the support frame vertical rod is provided with a limiting plate, the limiting plate is provided with a travel switch, and the travel switch is connected with the controller.
5. The special energy-saving environment-friendly heat treatment resistance furnace for the hammer head with the controllable atmosphere according to claim 4, is characterized in that: the lower sealing groove is a sealing groove arranged on the walking device, sealing sand is filled in the sealing groove, a sand sealing flashboard is arranged at the bottom of the upper sealing cover, a furnace bottom plate is further paved on the walking device, a heavy refractory brick for supporting the furnace bottom plate and the weight of a workpiece needing heat treatment is arranged below the furnace bottom plate, and an electric heating element, namely a resistance band or a resistance wire, is paved in a groove of the heavy refractory brick.
6. The special energy-saving environment-friendly heat treatment resistance furnace for the hammer head with the controllable atmosphere according to claim 5, is characterized in that: the support frame is erected on the track, and the traveling device is matched with the track.
7. The special energy-saving environment-friendly heat treatment resistance furnace for the hammer head with the controllable atmosphere according to claim 1, is characterized in that: the heat preservation layer is a high-temperature-resistant aluminum silicate refractory felt and is fixed on the inner wall of the upper sealing cover through heat-resistant steel nails or refractory material columnar nails.
8. The special energy-saving environment-friendly heat treatment resistance furnace for the hammer head with the controllable atmosphere according to claim 1, is characterized in that: the electric heating element is a resistance band and is fixed on the heat-insulating layer through a refractory material columnar nail or a heat-resistant steel nail.
9. The special energy-saving environment-friendly heat treatment resistance furnace for the hammer head with the controllable atmosphere according to claim 1, is characterized in that: the air flow stirring device is a circulating fan blade, the driving device is a circulating fan motor, the circulating fan blade extends out of the upper sealing cover through a circulating fan shaft and is connected with the output end of the circulating fan motor, and the circulating fan motor is connected with the controller.
10. The special energy-saving environment-friendly heat treatment resistance furnace for the hammer head with the controllable atmosphere according to claim 6, is characterized in that: the traveling device is provided with a second power supply plugging device, the first power supply plugging device of the resistance band in the upper sealing cover is arranged at the bottom of the upper sealing cover, and the first power supply plugging device is matched with the second power supply plugging device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920816329.3U CN210089369U (en) | 2019-06-01 | 2019-06-01 | Novel energy-saving environment-friendly heat treatment resistance furnace special for controllable atmosphere hammer head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920816329.3U CN210089369U (en) | 2019-06-01 | 2019-06-01 | Novel energy-saving environment-friendly heat treatment resistance furnace special for controllable atmosphere hammer head |
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| CN210089369U true CN210089369U (en) | 2020-02-18 |
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| CN201920816329.3U Active CN210089369U (en) | 2019-06-01 | 2019-06-01 | Novel energy-saving environment-friendly heat treatment resistance furnace special for controllable atmosphere hammer head |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI724800B (en) * | 2020-02-24 | 2021-04-11 | 凃宏旗 | Assembled barrel for an inert atmosphere protection at a high temperature process |
| CN114082879A (en) * | 2021-10-29 | 2022-02-25 | 青海中钛青锻装备制造有限公司 | Split type electric heating furnace |
-
2019
- 2019-06-01 CN CN201920816329.3U patent/CN210089369U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI724800B (en) * | 2020-02-24 | 2021-04-11 | 凃宏旗 | Assembled barrel for an inert atmosphere protection at a high temperature process |
| CN114082879A (en) * | 2021-10-29 | 2022-02-25 | 青海中钛青锻装备制造有限公司 | Split type electric heating furnace |
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Address after: 452370 4002, block a, Dongfang Dingsheng center, No.6 caigao street, Zhengzhou area (Zhengdong), Henan pilot Free Trade Zone, Zhengzhou City, Henan Province Patentee after: Zhongyuan environmental protection Wanrui Zhengzhou solid waste Technology Co.,Ltd. Address before: 452370 6th floor, block B, torch Daxia, Guohuai street, high tech Zone, Zhengzhou City, Henan Province Patentee before: ZHONGYUAN ENVIRONMENTAL PROTECTION DINGSHENG ZHENGZHOU SOLID WASTE TECHNOLOGY Co.,Ltd. |