CN201903268U - Continuous degreasing, sintering, quenching and tempering multifunction furnace of powder metallurgy products - Google Patents
Continuous degreasing, sintering, quenching and tempering multifunction furnace of powder metallurgy products Download PDFInfo
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- CN201903268U CN201903268U CN2010206253824U CN201020625382U CN201903268U CN 201903268 U CN201903268 U CN 201903268U CN 2010206253824 U CN2010206253824 U CN 2010206253824U CN 201020625382 U CN201020625382 U CN 201020625382U CN 201903268 U CN201903268 U CN 201903268U
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Abstract
The utility model discloses a continuous degreasing, sintering, quenching and tempering multifunction furnace of powder metallurgy products, comprising a rack (13), wherein the rack (13) is provided with a mesh tape (12), a transmission device (1) driving the mesh tape (12) to operate, an atmosphere control device (7) and an electrical control device (11); and the rack (13) is provided with a feeding section (2), a decreasing preheating section (3), a high temperature sintering section (4), a quick cooling section (5), a first water-cooling section (6), a tempering section (8), a second water-cooling section (9) and a discharge section (10) that is passed through and sequentially connected by the mesh tape (12). The furnace is a multifunction furnace that can continuously work, perform the procedures of decreasing, sintering, quenching and tempering powder metallurgy products by one step and save energy.
Description
Technical field
The utility model relates to a kind of sintered metal product multifunctional furnace, particularly relates to the continuous degreasing of a kind of sintered metal product, sintering, quenching, tempering multifunctional furnace.
Background technology
Degreasing, sintering, quenching, tempering are the important process processes that sintered metal product is produced.
At present, adopt sintering that traditional net belt type sintering furnace carries out sintered metal product or degreasing, sintering in that the powder metallurgy industry is general, and then adopt heat-treatment furnace to carry out the quenching and the tempering of sintered metal product.Though adopt traditional net belt type sintering furnace and heat-treatment furnace can realize sintered metal product degreasing, sintering, quenching, tempering respectively, have weak point.
1, can not finish whole technical process of degreasing, sintering, quenching, tempering in same stove, technological process is long.
2, after the sintered metal product of high temperature sintering must be cooled near room temperature, can come out of the stove, need to consume cooling water in the cooling procedure.When heat-treating, need again sintered metal product is heated to the required technological temperature of heat treatment from room temperature, consume a large amount of electric energy.
3, repeatedly shove charge, unload stove, labor intensive.
4, the production equipment of Xu Yaoing is many, and it is many to take production site, the operating cost height.
The utility model content
The technical problems to be solved in the utility model provides a kind of multifunctional furnace of working continuously and once finishing sintered metal product degreasing, sintering, quenching, tempering.
In order to address the above problem, the continuous degreasing of the sintered metal product that the utility model provides, sintering, quench, the tempering multifunctional furnace, comprise frame, on described frame, be provided with guipure and drive the transmission device that described guipure moves, atmosphere control device and electrical control gear, on described frame, be provided with the feed zone that is passed by described guipure, the degreasing preheating section, the high temperature sintering section, fast cold section, the first water-cooled section, the tempering section, second water-cooled section and the discharging section, the port of export of described feed zone is connected with an end of described degreasing preheating section, the other end of described degreasing preheating section is connected with an end of described high temperature sintering section, the other end of described high temperature sintering section is connected with a described end of cold section soon, the described fast cold section other end is connected with an end of the described first water-cooled section, the other end of the described first water-cooled section is connected with an end of described tempering section, the other end of described tempering section is connected with an end of the described second water-cooled section, and the other end of the described second water-cooled section is connected with described discharging section.
Described transmission device places the below of described feed zone, the directive wheel of described transmission device places the terminal below of described discharging section, and the guipure deviation correcting device of described transmission device places the described guipure both sides in the exit of the porch of described feed zone and described discharging section respectively.
Described atmosphere control device places a side that is in described tempering section on the described frame.
Adopt the continuous degreasing of sintered metal product, sintering, quenching, the tempering multifunctional furnace of technique scheme, net belt type sintering furnace and the degreasing sintered stove comparison of net belt type with traditional the utlity model has following advantage:
1, once finish the multiple working procedure such as degreasing, sintering, quenching, tempering of sintered metal product on same equipment, and work continuously, the production capacity height has improved rate of energy, has reduced energy consumption.
2, reduce the kind and the quantity of equipment, reduced the production site that takies.
3, shorten the technological process of production, improved production efficiency, saved cost of labor, reduced labour intensity.
4, Operation and maintenance are easy.
In sum, the utility model is a kind of multifunctional furnace of working continuously and once finishing sintered metal product degreasing, sintering, quenching, tempering multiple working procedure and energy savings.
Description of drawings
Fig. 1 is that structure master of the present utility model looks schematic diagram.
Fig. 2 is a schematic top plan view of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1 and Fig. 2, on frame 13, be provided with guipure 12 and drive the transmission device 1 that guipure 12 moves, on frame 13, be provided with the feed zone 2 that is passed by guipure 12, degreasing preheating section 3, high temperature sintering section 4, fast cold section 5, the first water-cooled section 6, tempering section 8, the second water-cooled section 9 and discharging section 10, the port of export of feed zone 2 is connected with an end of degreasing preheating section 3, the other end of degreasing preheating section 3 is connected with an end of high temperature sintering section 4, the other end of high temperature sintering section 4 is connected with an end of fast cold section 5, fast cold section 5 the other end is connected with an end of the first water-cooled section 6, the other end of the first water-cooled section 6 is connected with an end of tempering section 8, the other end of tempering section 8 is connected with an end of the second water-cooled section 9, and the other end of the second water-cooled section 9 is connected with discharging section 10; The motor of transmission device 1, cycloidal planetary gear speed reducer, sprocket wheel, chain, driving wheel, regulating wheel, guipure velocity measuring device place the below of feed zone 2, the directive wheel of transmission device 1 places the terminal below of discharging section 10, and the guipure deviation correcting device of transmission device 1 places guipure 12 both sides in the exit of the porch of feed zone 2 and discharging section 10 respectively.Guipure 12 is used to carry sintered metal product, under the driving of transmission device 1, enter from the porch of feed zone 2, pass degreasing preheating section 3, high temperature sintering section 4, fast cold section 5, the first water-cooled section 6, tempering section 8, the second water-cooled section 9, come out the drive part of returning transmission gear 1 after the directive wheel of transmission device 1 is reverse from the exit of discharging section 10.Sintered metal product is positioned on the guipure 12, moves with guipure 12 motions.Atmosphere control device 7 places a side that is in tempering section 8 on the frame 13.Electrical control gear 11 places the other appropriate location of stove.
Feed zone 2 is made up of charging boiler tube, the draught hood that is located at charging boiler tube top.Charging boiler tube and described draught hood all adopt stainless steel to make.
Degreasing preheating section 3 by housing, be located at fire resistant heat preserving burner hearth in the housing, be located at the natural gas burner on the hearth biside wall, the fire door that is located at the front end of furnace shell, the igniter that is located on the fire door form.
High temperature sintering section 4 by housing, be located at fire resistant heat preserving furnace lining in the housing, be located at ceramic boiler tube in the furnace lining, the heater element, nitrogen and the decomposed ammonia air inlet pipe that is located at the discharge end of housing of both sides are formed up and down to be located at ceramic boiler tube outside.Heater element adopts carborundum to make, and is bar-shaped, and mounting means connects drawing and pulling type about being, is divided into several independently thermals treatment zone according to arts demand.
Fast cold section 5 by housing, be located at heat exchanger in the housing, be located at air flow guiding device in the housing, be located at the heat exchanger of the outer side of housing, the air blast that is located at the outer top of housing, the nitrogen air inlet pipe that is located at the discharge end of housing form.
The first water-cooled section 6 and the second water-cooled section 9 by the intercalated water sleeve boiler tube, be located at gas distributing device in the intercalated water sleeve boiler tube, be located at the heat exchanger of top, intercalated water sleeve boiler tube outside, the air blast that is located at top, intercalated water sleeve boiler tube outside is formed.The first water-cooled section 6 places before the tempering section 8, and the second water-cooled section 9 places after the tempering section 8.
Tempering section 8 by housing, be located at fire resistant heat preserving furnace lining in the housing, be located at heat-resistance stainless steel boiler tube in the furnace lining, the heater element, the nitrogen spray air-cooling apparatus that is located in the heat-resistance stainless steel boiler tube of both sides are formed up and down to be located at heat-resistance stainless steel boiler tube outside.
Discharging section 10 by the discharging boiler tube, be located at sealing door curtain in the discharging boiler tube, the nitrogen air inlet pipe that is located at discharging boiler tube top forms.
Transmission device 1 is made up of motor, cycloidal planetary gear speed reducer, sprocket wheel, chain, driving wheel, regulating wheel, directive wheel, guipure deviation correcting device, guipure velocity measuring device.Transmission device 1 drives guipure 12 operations.
Guipure 12 adopts the braiding of heat-resistance stainless steel silk to form.
Atmosphere control device 7 is made up of decomposed ammonia flowmeter, nitrogen flow meter, control valve, magnetic valve, AIR Proportional control valve, pressure switch.
Electrical control gear 11 by electrical control cubicles, be located at electric elements, the instrument and meter in the electrical control cubicles, the temperature-sensing element that is located at degreasing preheating section 3 tops, high temperature sintering section 4 tops and tempering section 8 tops, the tachometric survey sensing element that is located on the transmission device 1 and form.Electrical control gear 11 respectively to degreasing preheating section 3, high temperature sintering section 4, tempering section 8 each independently the temperature of the thermal treatment zone detect and PID regulates, motor to transmission device 1 carries out VFC, the speed of service to guipure 12 is measured, and air blast, magnetic valve are controlled.Electrical control gear 11 has when overtemperature in the stove, the disconnected idol of thermocouple, guipure overload, gas is under-voltage and carry out the function of sound and light alarm during the transmission device fault.
Referring to Fig. 1 and Fig. 2.Degreasing preheating section 3, high temperature sintering section 4 and tempering section 8 are heated to the technological temperature of regulation.Nitrogen and decomposed ammonia air inlet pipe by high temperature sintering section 4 discharge ends charge into nitrogen and decomposed ammonia, nitrogen air inlet pipe by fast cold section 5 discharge end charges into nitrogen, nitrogen air inlet pipe by discharging section 10 discharging boiler tubes top charges into nitrogen, and regulates nitrogen and the extremely suitable flow of decomposed ammonia by atmosphere control device 7.In the igniting of the igniter place of degreasing preheating section 3 front end fire doors, the fuel gas that discharges out of the furnace is burnt.
Realize the quenching function for fast cold section 5, its cooling principle is to utilize the cooling blower will be in the gas of cools down is sent into fast cold section burner hearth, and gas is injected in the surface of sintered metal product by tuyere and guiding device, to reach the purpose of quick refrigerated product.By the air quantity of regulating blower fan and the flow of regulating cools down water, the cooling velocity that can regulate sintered metal product.
Tempering section 8 realizes the tempering function, when not carrying out temper, can stop heating, charges into nitrogen in the nitrogen spray equipment, thus cooling and protection sintered metal product.
The first water-cooled section 6 is used to regulate the temperature that sintered metal product enters the tempering section.The second water-cooled section 9 is used for sintered metal product is cooled to suitable temperature of coming out of the stove, and prevents that sintered metal product is oxidized.The first water-cooled section 6 and the second water-cooled section 9 are equipped with interior cooling back installation, by the effect of blower fan and heat exchanger, colder gas are ejected into the sintered metal product surface, quicken its cooling velocity, shorten cool time.
Claims (3)
1. continuous degreasing of sintered metal product, sintering, quench, the tempering multifunctional furnace, comprise frame (13), on described frame (13), be provided with guipure (12) and drive the transmission device (1) that described guipure (12) moves, atmosphere control device (7) and electrical control gear (11), it is characterized in that: on described frame (13), be provided with the feed zone (2) that is passed by described guipure (12), degreasing preheating section (3), high temperature sintering section (4), fast cold section (5), the first water-cooled section (6), tempering section (8), the second water-cooled section (9) and discharging section (10), the port of export of described feed zone (2) is connected with an end of described degreasing preheating section (3), the other end of described degreasing preheating section (3) is connected with an end of described high temperature sintering section (4), the other end of described high temperature sintering section (4) is connected with an end of described fast cold section (5), the other end of described fast cold section (5) is connected with an end of the described first water-cooled section (6), the other end of the described first water-cooled section (6) is connected with an end of described tempering section (8), the other end of described tempering section (8) is connected with an end of the described second water-cooled section (9), and the other end of the described second water-cooled section (9) is connected with described discharging section (10).
2. the continuous degreasing of sintered metal product according to claim 1, sintering, quenching, tempering multifunctional furnace, it is characterized in that: described transmission device (1) places the below of described feed zone (2), the directive wheel of described transmission device (1) places the terminal below of described discharging section (10), and the guipure deviation correcting device of described transmission device (1) places described guipure (12) both sides in the exit of the porch of described feed zone (2) and described discharging section (10) respectively.
3. the continuous degreasing of sintered metal product according to claim 1 and 2, sintering, quenching, tempering multifunctional furnace is characterized in that: described atmosphere control device (7) places a side that is in described tempering section (8) on the described frame (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206253824U CN201903268U (en) | 2010-11-25 | 2010-11-25 | Continuous degreasing, sintering, quenching and tempering multifunction furnace of powder metallurgy products |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206253824U CN201903268U (en) | 2010-11-25 | 2010-11-25 | Continuous degreasing, sintering, quenching and tempering multifunction furnace of powder metallurgy products |
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| CN201903268U true CN201903268U (en) | 2011-07-20 |
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| CN2010206253824U Expired - Fee Related CN201903268U (en) | 2010-11-25 | 2010-11-25 | Continuous degreasing, sintering, quenching and tempering multifunction furnace of powder metallurgy products |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110640135A (en) * | 2019-09-30 | 2020-01-03 | 深圳市冠强粉末冶金制品有限公司 | Powder metallurgy process |
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2010
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110640135A (en) * | 2019-09-30 | 2020-01-03 | 深圳市冠强粉末冶金制品有限公司 | Powder metallurgy process |
| CN110640135B (en) * | 2019-09-30 | 2021-09-21 | 深圳市冠强粉末冶金制品有限公司 | Powder metallurgy process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20110720 Termination date: 20181125 |