CN205156606U - Sintering furnace - Google Patents
Sintering furnace Download PDFInfo
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- CN205156606U CN205156606U CN201520956335.0U CN201520956335U CN205156606U CN 205156606 U CN205156606 U CN 205156606U CN 201520956335 U CN201520956335 U CN 201520956335U CN 205156606 U CN205156606 U CN 205156606U
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- sintering furnace
- furnace
- burner hearth
- gas
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Abstract
The utility model provides a sintering furnace belongs to the processing machinery field, including furnace body, gaseous conveying system and movement system, the furnace body includes furnace body shell and furnace, and the furnace body top is equipped with the inlet port, gaseous conveying system includes the gas -supply pipe, and gas -supply pipe and inlet port intercommunication, inlet port are provided with the bleed piece, and the bleed piece is fixed in the inlet port bottom, and the inside intercommunication of inlet port and bleed piece is provided with first opening on the lateral wall of bleed piece, and first opening is towards the stove tail. Setting up the bleed piece through the end at the gas -supply pipe, will importing furnace's gaseous channeling conduct, the air current becomes and flows along two orientations respectively after getting into furnace from the vertical furnace that insufflates downwards for the air current can brush each corner in the furnace, is convenient for take away the foreign gas that produces in the processing, gaseously flows towards both sides earlier after getting into furnace, and promotes the temperature, has reduced gaseously among the sintering process directly to blow the influence that leads to the fact to the sintering work piece without the heating.
Description
Technical field
The utility model relates to processing equipment field, in particular to sintering furnace.
Background technology
Sintering, refers to and granular material is changed into DB, is a traditional technical process.People utilize this technique to produce pottery, powder metallurgy, refractory material, hyperthermal material etc. very early.In general, powder is after overmolding, and be a kind of polycrystalline material by sintering the DB obtained, its microstructure is made up of crystal, vitreum and pore.Sintering process directly affects crystallite dimension, pore size and grain-boundary shape in microstructure and distribution, and then affects the performance of material.From microcosmic, make particle obtain enough energy to move by heating, make body of powder produce particle and cohere, produce intensity and cause densified and process that is recrystallization to be called sintering.
Inventor finds under study for action, and in prior art, gas is when inputting sintering furnace, and air dispersion, be difficult to carry out omnibearing circulation in whole burner hearth, to such an extent as to the foreign gas produced in sintering process can not be discharged completely, the effect of impact processing.
Utility model content
The purpose of this utility model is to provide a kind of sintering furnace, to strengthen the mobility of gas in burner hearth.
The utility model is achieved in that
A kind of sintering furnace, comprises body of heater, gas delivery system and movement system;
Described body of heater comprises body of heater shell and burner hearth, and described body of heater top is provided with air admission hole;
Described gas delivery system comprises appendix, described appendix is communicated with described air admission hole, described air admission hole is provided with bleed part, described bleed part is fixed on bottom described air admission hole, described air admission hole is communicated with the inside of described bleed part, the sidewall of described bleed part is provided with the first opening, and described first opening is towards stove tail;
Described burner hearth comprise be interconnected combustion chamber, reduction room and cooling chamber, the bottom of described combustion chamber and described reduction room is provided with the resistance wire for generating heat;
Described movement system comprise for support conveying belt run bracing frame and Power Component, described Power Component comprises motor and decelerator, and described motor drives described conveyor belt motion by described decelerator.
By bleed part, the gas of input burner hearth is guided, air-flow from be blown into straight down burner hearth become enter burner hearth after flow towards stove tail direction, make air-flow can brush each corner in burner hearth, the air in whole burner hearth is made all to be in flow regime, be convenient to take away the foreign gas produced in processing, gas first flows towards stove tail direction after entering burner hearth, instead of the raw materials for sintering directly blowed in burner hearth, can promote temperature in the process, the gas reduced without heating directly blows to the counter productive sintering workpiece and cause.
Further, the lateral wall of described combustion chamber is provided with thermal insulation layer, and described thermal insulation layer is made up of graphite material.
By arranging thermal insulation layer, the temperature of sintering furnace surrounding enviroment can be reduced, making the working environment of factory building more comfortable.
Further, described bleed part is also provided with the second opening, described second opening points to fire door.
Increase the opening that is pointed to fire door, the gas made into can gush directly to fire door, drives the air-flow of whole inner space, is conducive to the mobility of the gas increased in burner hearth, also have the air-flow of part towards other detent position diffluence of burner hearth, drive the gas of each corner location to flow.
Further, the roof of described bleed part is fixed on the top of described burner hearth, described bleed part is provided with through passage in the horizontal direction, and described passage is communicated with described appendix, and the head and the tail two ends of described passage are respectively described first opening and described second opening.Passage in bleed part is horizontally disposed with, and the flow direction of air-flow is changed, and gas can flow along the inwall of burner hearth, and the time of staying in burner hearth is longer, can heat up more fully before contact raw materials for sintering.
Further, described bleed part is cuboid, and described passage is circular channel, and described first opening and described second opening lay respectively at the two ends of cuboid and be circular open.
The profile of cuboid is convenient to manufacture, and is easy to be fixedly connected with burner hearth roof.Circular channel processing is very convenient, and cost is lower.
Further, described bleed part is terrace with edge, and the side of described terrace with edge and the top of described burner hearth are fixed, and described first opening and described second opening are separately positioned on upper bottom surface and the bottom surface of described terrace with edge.
Terrace with edge structure species is various, and has two upper bottom surfaces and bottom surface be parallel to each other, and is easy to processing.
Further, the lateral wall of described reduction room is provided with instrument board, described instrument board is for showing the internal temperature of described reduction room.
By instrument board, user can Real Time Observation to the temperature of reduction furnace, carry out temperature control exactly, to improve the effect of reduction furnace, improve the purity of material.Such as, during processing iron powder, the temperature of reduction furnace can be controlled between 700 DEG C to 850 DEG C.
Further, described gas delivery system is connected with hydrogen formation apparatus, and described gas delivery system is for carrying hydrogen.
Reduced by hydrogen, the oxygenate impurity in raw material, carbon-containing impurities and sulfur-containing impurities can be removed, improve the purity of raw material, reduce impurity.
Further, described gas delivery system also comprises wind speed display unit, and described wind speed display unit is for illustrating the inside wind speed of described gas delivery system.
Be convenient to user and understand current intake velocity, and improve according to numerical value change or reduce intake velocity.
Further, described reduction indoor are provided with thermocouple, and described reduction chamber interior is provided with heat-insulation layer, and described heat-insulation layer is made up of aluminosilicate refractory fiber.
Heat-insulation layer is set in the inside of reduction room, can heating efficiency be improved, reduce the heat loss that reduction is indoor.
The beneficial effects of the utility model are: by arranging bleed part at the end of appendix, the gas of input burner hearth is guided, air-flow from be blown into straight down burner hearth become enter burner hearth after flow along both direction respectively, make air-flow can brush each corner in burner hearth, the air in whole burner hearth is made all to be in flow regime, be convenient to take away the foreign gas produced in processing, gas first flows towards both sides after entering burner hearth, temperature can be promoted in the process, reduce gas in sintering process and directly blow to the impact sintering workpiece and cause without heating.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of a kind of sintering furnace that Fig. 1 provides for the utility model embodiment one;
Fig. 2 is the structural representation of bleed part;
Fig. 3 is the assembling schematic diagram of Fig. 2;
The structural representation of the bleed part in a kind of sintering furnace that Fig. 4 provides for the utility model embodiment two;
Fig. 5 is the assembling schematic diagram of Fig. 4.
Reference numeral gathers:
Body of heater 101; Gas delivery system 102; Burner hearth 103; Appendix 104; Bleed part 105; First opening 106; Second opening 107; Driving-belt 108.
Detailed description of the invention
The appendix of existing sintering furnace burner hearth and gas delivery system is directly connected, gas directly gushes towards the bottom surface of sintering furnace burner hearth, and disperse when touching barrier, air dispersion, and be difficult to carry out omnibearing circulation in whole burner hearth, to such an extent as to the foreign gas produced in sintering process can not be discharged completely, the effect of impact processing.
Given this, the utility model provides a kind of sintering furnace with bleed part, bleed part is for changing the gas flow in appendix input burner hearth, after gas enters the inner space of bleed part and from first opening flow out, first opening is towards stove tail, gas is moved to stove wake flow, the gas fluidity in whole burner hearth not only can be made stronger, the impurity produced when being convenient to take away sintering, also the heated time of gas is extended, make gas carry out enough intensifications before contact raw materials for sintering, avoid cryogenic gas directly to contact raw materials for sintering.
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, it is only the utility model for convenience of description, instead of indicate or imply that the equipment of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Embodiment one
Refer to Fig. 1 to Fig. 3, the utility model embodiment one provides a kind of sintering furnace, comprises body of heater 101, gas delivery system 102 and movement system.
Body of heater 101 comprises body of heater 101 shell and burner hearth 103, and body of heater 101 top is provided with air admission hole, is communicated with the appendix 104 of gas delivery system 102 by air admission hole; Burner hearth 103 comprise be interconnected combustion chamber, reduction room and cooling chamber, the bottom of combustion chamber and reduction room is provided with the resistance wire for generating heat.
Wherein, be provided with bleed part 105 in burner hearth 103, bleed part 105 is fixed on bottom air admission hole, and air admission hole is communicated with the inside of bleed part 105, the sidewall of bleed part 105 is provided with the first opening 106, first opening 106 towards stove tail.
The direction when direction at the burner place said here refers to that gas leaves in burner hearth 103.
By bleed part 105, the gas of input burner hearth 103 is guided, air-flow from be blown into straight down burner hearth 103 become enter burner hearth 103 after flow towards stove tail direction, make air-flow can brush each corner in burner hearth 103, the air in whole burner hearth 103 is made all to be in flow regime, be convenient to take away the foreign gas produced in processing, gas first flows towards stove tail direction after entering burner hearth 103, instead of the raw materials for sintering directly blowed in burner hearth 103, temperature can be promoted in the process, the gas reduced without heating directly blows to the counter productive sintering workpiece and cause.
Bleed part 105 is cuboid, and passage is circular channel, and the first opening 106 is positioned at the end face of cuboid and is circular open.The roof of bleed part 105 is fixed on the top of burner hearth 103, and bleed part 105 is provided with through passage in the horizontal direction, and the top of bleed part 105 is provided with the air inlet with channel connection.
The profile of cuboid is convenient to manufacture, and is easy to be fixedly connected with burner hearth 103 roof.Circular channel processing is very convenient, and cost is lower.Passage in bleed part 105 is horizontally disposed with, and the flow direction of air-flow is changed, and gas can flow along the inwall of burner hearth 103, and the time of staying in burner hearth 103 is longer, can heat up more fully before contact raw materials for sintering.
The lateral wall of combustion chamber is provided with thermal insulation layer, and thermal insulation layer is made up of graphite material.By arranging thermal insulation layer, the temperature of sintering furnace surrounding enviroment can be reduced, making the working environment of factory building more comfortable.
Reduction indoor are provided with thermocouple, and the inside of reduction room is provided with heat-insulation layer, and heat-insulation layer is made up of aluminosilicate refractory fiber.
Heat-insulation layer is set in the inside of reduction room, can heating efficiency be improved, reduce the heat loss that reduction is indoor.
The lateral wall of reduction room is provided with instrument board, and instrument board is for showing the internal temperature of reduction room.By instrument board, user can Real Time Observation to the temperature of reduction furnace, carry out temperature control exactly, to improve the effect of reduction furnace, improve the purity of material.
Gas delivery system 102 is connected with hydrogen formation apparatus, and gas delivery system is for carrying hydrogen.Gas delivery system also comprises wind speed display unit, and wind speed display unit is for illustrating the inside wind speed of gas delivery system.
Gas delivery system 102 passes into hydrogen to reduction indoor, and reduction room temperature operationally remains on 700 DEG C to 850 DEG C.
Reduction is indoor passes into reducing gas for removing the impurity in raw material.Hydrogen, as reducing gas, effectively can take out the impurity in raw material, improves the purity of raw material, the oxygenate impurity in raw material, carbon-containing impurities and sulfur-containing impurities is removed.Maintenance high temperature in reduction room can be guaranteed that gas can produce with impurity and react, and reduction room and combustion chamber, can make full use of the heating effect of combustion chamber in previous step, economize energy.
Cooling chamber arranges proprietary air shooter, in cooling chamber, pass into hydrogen, because hydrogen has high-termal conductivity, the cooling velocity of raw materials for sintering can be improved, hydrogen used herein is identical with the reducing gas of previous step, decreases the supplementary product kind required for this operation, one-object-many-purposes.
Gas delivery system 102 comprises appendix 104 and air shooter, and appendix 104 is communicated with air admission hole, and air shooter is communicated with cooling chamber.
Movement system comprises for supporting the bracing frame that driving-belt 108 works and the Power Component providing power, and Power Component comprises motor and decelerator, and motor drives conveyor belt motion by decelerator.The output of motor is connected by V belt translation with the input of decelerator.In addition also motor and decelerator can be combined, the output of motor and the input of decelerator are fixed by shaft coupling.
By arranging bleed part 105 at the end of appendix 104, the gas of input burner hearth 103 is guided, air-flow from be blown into straight down burner hearth 103 become enter burner hearth 103 after flow along the roof of burner hearth 103, make air-flow can brush each corner in burner hearth 103, the air in whole burner hearth 103 is made all to be in flow regime, be convenient to take away the foreign gas produced in processing, gas first flows towards both sides after entering burner hearth 103, can promote temperature in the process, the gas reduced without heating directly blows to the counter productive sintering workpiece and cause.
Embodiment two
Refer to, Fig. 4 and Fig. 5, the utility model embodiment two provides a kind of sintering furnace.Embodiment two is with the difference of embodiment one, and the first opening 106 and the second opening 107 are separately positioned on the sidewall at bleed part 105 two ends, and the first opening 106 is towards stove tail, and the second opening 107 points to burner.
In addition, bleed part 105 can also be prism-frustum-shaped, first opening 106 and the second opening 107 are separately positioned on upper bottom surface and the bottom surface of terrace with edge, and the openings of sizes at the passage two ends that terrace with edge is arranged there are differences, and it is larger that larger opening can make air-flow enter the angle of burner hearth 103.
Unless specifically stated otherwise, otherwise the parts of setting forth in an embodiment, step, numerical expression and numerical value do not limit scope of the present utility model.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to define further it and explain in accompanying drawing subsequently.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a sintering furnace, is characterized in that, comprises body of heater, gas delivery system and movement system;
Described body of heater comprises body of heater shell and burner hearth, and the top of described body of heater is provided with air admission hole;
Described gas delivery system comprises appendix, described appendix is communicated with described air admission hole, described air admission hole is provided with bleed part, described bleed part is fixed on bottom described air admission hole, described air admission hole is communicated with the inside of described bleed part, the sidewall of described bleed part is provided with the first opening, and described first opening is towards stove tail;
Described burner hearth comprise be interconnected combustion chamber, reduction room and cooling chamber, the bottom of described combustion chamber and described reduction room is provided with the resistance wire for generating heat;
Described movement system comprise for support conveying belt run bracing frame and Power Component, described Power Component comprises motor and decelerator, and described motor drives described conveyor belt motion by described decelerator.
2. sintering furnace according to claim 1, is characterized in that, the lateral wall of described combustion chamber is provided with thermal insulation layer, and described thermal insulation layer is made up of graphite material.
3. sintering furnace according to claim 1, is characterized in that, described bleed part is also provided with the second opening, and described second opening points to fire door.
4. sintering furnace according to claim 3, it is characterized in that, the roof of described bleed part is fixed on the top of described burner hearth, described bleed part is provided with through passage in the horizontal direction, described passage is communicated with described appendix, and the head and the tail two ends of described passage are respectively described first opening and described second opening.
5. sintering furnace according to claim 4, is characterized in that, described bleed part is cuboid, and described passage is circular channel, and described first opening and described second opening lay respectively at the two ends of cuboid and be circular open.
6. sintering furnace according to claim 4, is characterized in that, described bleed part is terrace with edge, and the side of described terrace with edge and the top of described burner hearth are fixed, and described first opening and described second opening are separately positioned on upper bottom surface and the bottom surface of described terrace with edge.
7. sintering furnace according to claim 1, is characterized in that, the lateral wall of described reduction room is provided with instrument board, and described instrument board is for showing the internal temperature of described reduction room.
8. sintering furnace according to claim 1, is characterized in that, described gas delivery system is connected with hydrogen formation apparatus, and described gas delivery system is for carrying hydrogen.
9. sintering furnace according to claim 8, is characterized in that, described gas delivery system also comprises wind speed display unit, and described wind speed display unit is for illustrating the inside wind speed of described gas delivery system.
10. sintering furnace according to claim 1, is characterized in that, described reduction indoor are provided with thermocouple, and described reduction chamber interior is provided with heat-insulation layer, and described heat-insulation layer is made up of aluminosilicate refractory fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520956335.0U CN205156606U (en) | 2015-11-25 | 2015-11-25 | Sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520956335.0U CN205156606U (en) | 2015-11-25 | 2015-11-25 | Sintering furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205156606U true CN205156606U (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520956335.0U Expired - Fee Related CN205156606U (en) | 2015-11-25 | 2015-11-25 | Sintering furnace |
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| Country | Link |
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| CN (1) | CN205156606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668430A (en) * | 2018-12-29 | 2019-04-23 | 湖南金炉科技股份有限公司 | Roller kilns |
-
2015
- 2015-11-25 CN CN201520956335.0U patent/CN205156606U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668430A (en) * | 2018-12-29 | 2019-04-23 | 湖南金炉科技股份有限公司 | Roller kilns |
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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: 20160413 Termination date: 20171125 |