CN203917820U - A kind of dewaxing furnace - Google Patents

A kind of dewaxing furnace Download PDF

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Publication number
CN203917820U
CN203917820U CN201420286068.6U CN201420286068U CN203917820U CN 203917820 U CN203917820 U CN 203917820U CN 201420286068 U CN201420286068 U CN 201420286068U CN 203917820 U CN203917820 U CN 203917820U
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CN
China
Prior art keywords
dewaxing
air inlet
sliding stand
housing
steam
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN201420286068.6U
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Chinese (zh)
Inventor
罗贤龙
林杰
季知燕
乐勇明
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ZHEJIANG LIN-JIA CHANGLONG VALVE CASTING Co Ltd
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ZHEJIANG LIN-JIA CHANGLONG VALVE CASTING Co Ltd
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Priority to CN201420286068.6U priority Critical patent/CN203917820U/en
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Publication of CN203917820U publication Critical patent/CN203917820U/en
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Abstract

The utility model relates to a kind of dewaxing furnace, comprise housing and coordinate and be located at the sliding stand in housing, in described sliding stand, be provided with dewaxing plate, on described dewaxing plate, be evenly distributed with some steam nozzles, the lateral surface of described sliding stand is provided with more than 1 air inlet, described steam nozzle is communicated with by rigid conduit space with air inlet, and described dewaxing plate is provided with some pores; On described housing, be also provided with at least 1 gas outlet.The utility model makes a plurality of air inlets directly to the wax material in shell, heat dewaxing operation, the steam passing into from air inlet directly acts on wax material, promoted greatly dewaxing speed, reduce the dewaxing time, and not having field trash enters in shell, reduced steam waste, improved dewaxing efficiency, energy-saving and emission-reduction, quality and excellent performance after product dewaxing have been guaranteed, once can many relatively independent products be dewaxed, be applicable to adopt the shell dewaxing of sodium silicate process, Ludox technique and the combination process of low-temperature wax.

Description

A kind of dewaxing furnace
Technical field
The utility model belongs to general furnace, kiln, oven or retort; The technical field of open type agglomerating plant or similar devices, particularly a kind of dewaxing furnace that can greatly improve dewaxing speed and efficiency.
Background technology
Dewaxing is a ring technique important in hot investment casting process, mainly refer to that the organic additive of using in the technological means discharge pressed compact heating, as the process of binding agent or lubricant, comprises the methods such as cold press dewaxing, mixed solvent dewaxing, dewaxing by molecular sieve, urea dewaxing, bacterium dewaxing, catalysis hydro dewaxing and spray dewaxing.
In prior art, the technique of dewaxing mainly still adopts hot-water process and vapor method to complete.Hot-water process is a kind of comparatively traditional technological process, it is simple to operate but dewaxing speed is slow, and while dewaxing because of it, cup upwards, very easily causes the foreign material that overweight water to fall in shell in dewaxing process simultaneously, badly influence dewaxing technique, more can have influence on quality and the serviceability of product.Vapor method is a kind of service speed technique faster, and cup is placed downwards in dewaxing process, not having field trash enters in shell, can not have influence on the quality of product, but existing vapor method dewaxing device adopts the structure of an air inlet and a gas outlet, the wax material that after steam enters in stove, Main Function just sees through in shell hot type shell after shell outer surface dewaxes, dewaxing efficiency is extremely low, the dewaxing time is long, dewax inhomogeneous and because needs continue, pass in a large number steam, expend the energy many, cost is higher.
Utility model content
The technical problem that the utility model solves is, in prior art, the technique of dewaxing mainly adopts hot-water process and vapor method to complete, and the hot-water process who causes is simple to operate but dewaxing speed is slow, in dewaxing process, very easily cause the foreign material that overweight water to fall in shell, badly influence dewaxing technique, more can have influence on quality and the serviceability of product, vapor method indirectly dewaxes and makes dewaxing efficiency extremely low simultaneously, the dewaxing time is long, dewax inhomogeneous and because needs continue, pass in a large number steam, expend the energy many, the problem that cost is higher, and then provide a kind of dewaxing furnace of optimizing structure.
The technical scheme that the utility model adopts is, a kind of dewaxing furnace, comprise housing and coordinate and be located at the sliding stand in housing, in described sliding stand, be provided with dewaxing plate, on described dewaxing plate, be evenly distributed with some steam nozzles, the lateral surface of described sliding stand is provided with more than 1 air inlet, and described steam nozzle is communicated with by rigid conduit space with air inlet, and described dewaxing plate is provided with some pores; On described housing, be also provided with at least 1 gas outlet.
Preferably, the lateral surface of described sliding stand is provided with 2~6 air inlets, corresponding 2~6 row that are made as of steam nozzle on described dewaxing plate, described every row steam nozzle and the corresponding setting respectively of each air inlet, described every row steam nozzle is communicated with by rigid conduit space with corresponding air inlet.
Preferably, the lateral surface of described sliding stand is provided with 3 air inlets, corresponding 3 row that are made as of steam nozzle on described dewaxing plate, described every row steam nozzle and the corresponding setting respectively of each air inlet, described 3 row steam nozzles are communicated with by rigid conduit space with corresponding air inlet.
Preferably, the bottom, side of the relative housing motion of described sliding stand is provided with some movable pulleies, and described housing inner side is provided with slide rail, and described movable pulley and slide rail are equipped with.
Preferably, the slide rail bottom of described housing inner side is located in described gas outlet.
Preferably, described gas outlet and described air inlet are equipped with.
Preferably, described gas outlet is provided with control valve.
Preferably, described air inlet is provided with control valve.
Preferably, described housing comprises inner housing and shell body, between described inner housing and shell body, is provided with heat-insulation layer.
Preferably, on the lateral surface of described sliding stand, be also provided with push-and-pull portion.
The utility model provides a kind of dewaxing furnace of optimizing structure, by dewaxing plate is set on the sliding stand in dewaxing furnace inside, on dewaxing plate, some steam nozzles are evenly set, and the air inlet more than 1 is set on the lateral surface of sliding stand, guarantee that steam nozzle is communicated with air inlet space by the rigid conduit of dewaxing plate bottom, make a plurality of air inlets directly to the wax material in shell, heat dewaxing operation, the steam passing into from air inlet directly acts on wax material, be different from the mode that steam of the prior art acts on shell outer surface, promoted greatly dewaxing speed, reduce the dewaxing time, and not having field trash enters in shell, reduced steam waste, improved dewaxing efficiency, energy-saving and emission-reduction, quality and excellent performance after product dewaxing have been guaranteed, arrange in the position that can also suitably adjust air inlet and steam nozzle by rigid conduit according to the size of actual dewaxed product, guarantee once can many relatively independent products to be dewaxed.The utility model is applicable to adopt the shell dewaxing of sodium silicate process, Ludox technique and the combination process of low-temperature wax, and dewaxing speed is fast, and the dewaxing time is short, and steam waste is few, and dewaxing efficiency is high, energy-saving and emission-reduction, good product performance.
Accompanying drawing explanation
Fig. 1 is front view structural representation of the present utility model;
Fig. 2 is behaviour in service top view structural representation of the present utility model;
Fig. 3 is side view structural representation of the present utility model;
Fig. 4 is behaviour in service stereogram structural representation of the present utility model.
The specific embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but protection domain of the present utility model is not limited to this.
As shown in the figure, the utility model relates to a kind of dewaxing furnace, comprise housing 1 and coordinate and be located at the sliding stand 2 in housing 1, in described sliding stand 2, be provided with dewaxing plate 3, on described dewaxing plate 3, be evenly distributed with some steam nozzles 4, the lateral surface of described sliding stand 2 is provided with more than 1 air inlet 5, and described steam nozzle 4 is communicated with by rigid conduit 6 spaces with air inlet 5, and described dewaxing plate 3 is provided with some pores 7; On described housing 1, be also provided with at least 1 gas outlet 8.
In the utility model, dewaxing plate 3 is set on the sliding stand 2 of dewaxing furnace inside, dewaxing plate 3, for arranging steam nozzle 4 and placing shell 9, is the key operation position of the demoulding.Dewaxing plate 3 operated by rotary motion are in the position, middle and lower part of sliding stand 2, ensure first enough positions and place shell 9, second make the to dewax position of rigid conduit 6 of plate 3 bottoms is arranged more easy, at air inlet 5, pass into after steam, steam can be better pushed into steam nozzle 4 by larger pressure moment, acts on shell 9 inside and carries out the dewaxing of product.
The utility model in use, on dewaxing plate 3, some steam nozzles 4 are evenly set, and the air inlet 5 more than 1 is set on the lateral surface of sliding stand 2, and guarantee that steam nozzle 4 is communicated with air inlet 5 spaces by the rigid conduit 6 of dewaxing plate 3 bottoms, make a plurality of air inlets 5 can pass into steam, vapor volume is large and can more directly to the wax material in shell 9, heat dewaxing operation, be different from the mode that steam of the prior art acts on shell 9 outer surfaces, promoted greatly dewaxing speed, reduce the dewaxing time, reduced steam waste, improved dewaxing efficiency, energy-saving and emission-reduction, simultaneously by dismountable shell 9 is set above arbitrary steam nozzle 4, the product of casting of the interior direct placement of shell 9, shell 9 bottoms outside product to be dewaxed arrange downward opening cup, guarantee that cup and steam nozzle 4 are equipped with, in steam nozzle 4, the steam of ejection can be in time contact also direct effect to the wax material place of shell 9 inside by cup, dewaxing speed is fast, the dewaxing time is short and do not have field trash and enter in shell 9, quality and excellent performance after product dewaxing have been guaranteed.
In the utility model, owing to having adopted rigid conduit 6 to connect air inlet 5 and steam nozzle 4, in order to guarantee the stable gas pressure of plate 3 bottoms that dewaxes, therefore some pores 7 are set on dewaxing plate 3, guarantee the balance of dewaxing plate 3 upper and lower air pressure.
In the utility model, generally, air inlet 5 is connected on steam generating device by flexible pipe.
In the utility model, operating personnel can also suitably utilize rigid conduit 6 by air inlet 5, to adjust the position of steam nozzle 4 according to the size of actual dewaxed product, guarantee once can dewax to many products, and relatively independent between product and product, be independent of each other.
In the utility model, at least 1 gas outlet 8 is set on housing 1, make to select to arrange applicable gas outlet 8 quantity according to the intake of the amount of actual air inlet 5 and steam, the speed that passes into, guarantee dewaxing technique in dewaxing furnace of the present utility model can be completely, carry out fully, make product dewaxing evenly, fast, reduce steam waste, improve dewaxing efficiency, energy-saving and emission-reduction, the more environmental protection of more existing dewaxing technique.
The lateral surface of described sliding stand 2 is provided with 2~6 air inlets 5, corresponding 2~6 row that are made as of steam nozzle 4 on described dewaxing plate 3, described every row steam nozzle 4 and each air inlet 5 corresponding setting respectively, described every row steam nozzle 4 is communicated with by rigid conduit 6 spaces with corresponding air inlet 5.
In the utility model, the lateral surface of sliding stand 2 is provided with 2~6 air inlets 5, can select according to the size of actual dewaxing furnace the quantity of air inlet 5, the steam nozzle 4 of the columns identical with the quantity of air inlet 5 is set simultaneously on dewaxing plate 3, the steam that assurance passes into can be real-time as far as possible be applied to each steam nozzle 4, allow steam directly blow to the inside of shell 9, act on wax material, wax material is heated to dewaxing, improve speed and the efficiency of dewaxing, reduce the dewaxing time used, and then reduce steam consumption.
In the utility model, every row steam nozzle 4 and corresponding air inlet 5 are communicated with and are made to utilize more reasonable of position that rigid conduit 6 adjusts steam nozzles 4 by air inlet 5 by rigid conduit 6 spaces, and operating personnel can adjust for the position of steam nozzle 4 according to the size of actual shell 9.
The lateral surface of described sliding stand 2 is provided with 3 air inlets 5, corresponding 3 row that are made as of steam nozzle 4 on described dewaxing plate 3, described every row steam nozzle 4 and each air inlet 5 corresponding setting respectively, described 3 row steam nozzles 4 are communicated with by rigid conduit 6 spaces with corresponding air inlet 5.
In the utility model, generally, 3 air inlets 5 are set on the lateral surface of sliding stand 2 and can complete operation of the present utility model, unless the size of dewaxing furnace is large or especially little especially, meanwhile, the steam nozzle 4 on dewaxing plate 3 is made as 3 row and every row steam nozzle 4 and each air inlet 5 corresponding setting respectively accordingly.
The bottom, side of relative housing 1 motion of described sliding stand 2 is provided with some movable pulleies 10, and described housing 1 inner side is provided with slide rail 11, and described movable pulley 10 and slide rail 11 are equipped with.
In the utility model, more smooth and easy in order to guarantee that sliding stand 2 pushes the operation of shell 9 to be dewaxed, therefore the relative motion of sliding stand 2 and housing 1 is set to rolling friction form, bottom, side at sliding stand 2 arranges movable pulley 10, in housing 1 inner side, coordinate movable pulley 10 that slide rail 11 is set, be more convenient for sliding stand 2 extraction with push, in the process that makes shell 9 to be dewaxed can be because frictional resistance is excessive does not extract out or push at sliding stand 2, turn upside down, and then affect product quality and performances.
Slide rail 11 bottoms of described housing 1 inner side are located in described gas outlet 8.
In the utility model, because the outlet of the steam passing into from air inlet 5 in rigid conduit 6 is only arranged on the steam nozzle 4 on dewaxing plate 3, therefore steam can better be passed into shell 9 inside and act directly on product, the operative orientation of the gas that operation is complete also can continue up, therefore also can not discharge by gas outlet 8 at once, but the product that continuation acts on shell 9 inside by shell 9 outer walls carries out secondary dewaxing, finally just can too highly due to the air pressure in dewaxing furnace from the gas outlet 8 that is arranged on slide rail 11 bottoms of housing 1 inner side, discharge.The position of gas outlet 8 of the present utility model has guaranteed that steam can directly act on product and dewax, can also indirectly-acting dewax in product, the dewaxing efficiency of the logical vapor volume of single is higher, improve speed and the efficiency of dewaxing, reduce the dewaxing time used and due to by fully, evenly dewaxing, actual mass, the performance of product are more excellent.
Described gas outlet 8 is equipped with described air inlet 5.
In the utility model, when whenever necessary, a plurality of gas outlets 8 that coordinate with air inlet 5 can be set, guarantee that the air pressure in dewaxing furnace is normal, the carrying out that dewaxing energy is normal, safe, can be because of the too high minimizing in service life that more causes dewaxing furnace of moment air pressure in dewaxing furnace.
Described gas outlet 8 is provided with control valve.
In the utility model, when control valve being set on gas outlet 8 can guaranteeing that air pressure in dewaxing furnace is too high, can by control valve, adjust timely or exit, when dewaxing furnace just starts to lead to vapor operation, can carry out supercharging or direct valve-off by control valve, i.e. gas outlet 8 operation of not giving vent to anger, this structure has guaranteed that the product in shell 9 dewaxes and can carry out faster, reduced to the full extent the intake of steam, energy-saving and emission-reduction.
Described air inlet 5 is provided with control valve.
In the utility model, on air inlet 5, arrange when control valve can guarantee adjusted or exitted by control valve when air pressure in dewaxing furnace is too high and can adjust entering of steam simultaneously, the air pressure that guarantees the utility model housing 1 inside is basicly stable, can not cause operating accident because of the high pressure of moment, also guaranteed that the product in shell 9 dewaxes and can carry out faster, reduced to the full extent the intake of steam, energy-saving and emission-reduction.
Described housing 1 comprises inner housing and shell body, between described inner housing and shell body, is provided with heat-insulation layer.
In the utility model, housing 1 be set to inner housing and shell body and heat-insulation layer is set betwixt, making to dewax while operating in housing 1, steam can be incubated to dewax faster as far as possible, can not scald the personnel that touch the utility model housing 1 simultaneously.
On the lateral surface of described sliding stand 2, be also provided with push-and-pull portion 12.
In the utility model, by push-and-pull portion 12 is set on the lateral surface at sliding stand 2, assurance sliding stand 2 can be pushed into easily the housing 1 of dewaxing furnace or after dewaxing finishes, be drawn out the housing 1 of dewaxing furnace, having avoided inappropriate closes or opening ways has influence on the placement of shell 9, in the process that makes shell 9 to be dewaxed can not extract out or push at sliding stand 2 because instantaneous power is excessive, turn upside down, and then affect product quality and performances.
The utility model has solved in prior art, the technique of dewaxing mainly adopts hot-water process and vapor method to complete, and the hot-water process who causes is simple to operate but dewaxing speed is slow, in dewaxing process, very easily cause the foreign material that overweight water to fall in shell 9, badly influence dewaxing technique, more can have influence on quality and the serviceability of product, vapor method indirectly dewaxes and makes dewaxing efficiency extremely low simultaneously, the dewaxing time is long, dewax inhomogeneous and because needs continue, pass in a large number steam, expend the energy many, the problem that cost is higher, by dewaxing plate 3 is set on the sliding stand 2 in dewaxing furnace inside, on dewaxing plate 3, some steam nozzles 4 are evenly set, and the air inlet 5 more than 1 is set on the lateral surface of sliding stand 2, guarantee that steam nozzle 4 is communicated with air inlet 5 spaces by the rigid conduit 6 of dewaxing plate 3 bottoms, make a plurality of air inlets 5 directly to the wax material in shell 9, heat dewaxing operation, the steam passing into from air inlet 5 directly acts on wax material, be different from the mode that steam of the prior art acts on shell 9 outer surfaces, promoted greatly dewaxing speed, reduce the dewaxing time, and not having field trash enters in shell 9, reduced steam waste, improved dewaxing efficiency, energy-saving and emission-reduction, quality and excellent performance after product dewaxing have been guaranteed, arrange in the position that can also suitably adjust air inlet 5 and steam nozzle 4 by rigid conduit 6 according to the size of actual dewaxed product, guarantee once can many relatively independent products to be dewaxed.
The utility model is applicable to adopt the shell dewaxing of sodium silicate process, Ludox technique and the combination process of low-temperature wax, and dewaxing speed is fast, and the dewaxing time is short, and steam waste is few, and dewaxing efficiency is high, energy-saving and emission-reduction, good product performance.

Claims (10)

1. a dewaxing furnace, comprise housing and coordinate and be located at the sliding stand in housing, it is characterized in that: in described sliding stand, be provided with dewaxing plate, on described dewaxing plate, be evenly distributed with some steam nozzles, the lateral surface of described sliding stand is provided with more than 1 air inlet, described steam nozzle is communicated with by rigid conduit space with air inlet, and described dewaxing plate is provided with some pores; On described housing, be also provided with at least 1 gas outlet.
2. a kind of dewaxing furnace according to claim 1, it is characterized in that: the lateral surface of described sliding stand is provided with 2~6 air inlets, corresponding 2~6 row that are made as of steam nozzle on described dewaxing plate, described every row steam nozzle and the corresponding setting respectively of each air inlet, described every row steam nozzle is communicated with by rigid conduit space with corresponding air inlet.
3. a kind of dewaxing furnace according to claim 2, it is characterized in that: the lateral surface of described sliding stand is provided with 3 air inlets, corresponding 3 row that are made as of steam nozzle on described dewaxing plate, described every row steam nozzle and the corresponding setting respectively of each air inlet, described 3 row steam nozzles are communicated with by rigid conduit space with corresponding air inlet.
4. a kind of dewaxing furnace according to claim 1, is characterized in that: the bottom, side of the relative housing motion of described sliding stand is provided with some movable pulleies, and described housing inner side is provided with slide rail, and described movable pulley and slide rail are equipped with.
5. a kind of dewaxing furnace according to claim 4, is characterized in that: the slide rail bottom of described housing inner side is located in described gas outlet.
6. a kind of dewaxing furnace according to claim 1, is characterized in that: described gas outlet and described air inlet are equipped with.
7. a kind of dewaxing furnace according to claim 1, is characterized in that: described gas outlet is provided with control valve.
8. a kind of dewaxing furnace according to claim 1, is characterized in that: described air inlet is provided with control valve.
9. a kind of dewaxing furnace according to claim 1, is characterized in that: described housing comprises inner housing and shell body, between described inner housing and shell body, is provided with heat-insulation layer.
10. a kind of dewaxing furnace according to claim 1, is characterized in that: on the lateral surface of described sliding stand, be also provided with push-and-pull portion.
CN201420286068.6U 2014-05-31 2014-05-31 A kind of dewaxing furnace Expired - Fee Related CN203917820U (en)

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CN201420286068.6U CN203917820U (en) 2014-05-31 2014-05-31 A kind of dewaxing furnace

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Application Number Priority Date Filing Date Title
CN201420286068.6U CN203917820U (en) 2014-05-31 2014-05-31 A kind of dewaxing furnace

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105935746A (en) * 2016-04-28 2016-09-14 安徽霍山县象山机械制造有限公司 Low-temperature wax removing device
WO2021238394A1 (en) * 2020-05-29 2021-12-02 湖州南丰机械制造有限公司 Casting dewaxing device
CN114523071A (en) * 2021-07-28 2022-05-24 成都富江新材料有限责任公司 Shell dewaxing device and shell dewaxing method
CN115846593A (en) * 2022-11-28 2023-03-28 洛阳航辉新材料有限公司 Dewaxing equipment for precision investment casting

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105935746A (en) * 2016-04-28 2016-09-14 安徽霍山县象山机械制造有限公司 Low-temperature wax removing device
WO2021238394A1 (en) * 2020-05-29 2021-12-02 湖州南丰机械制造有限公司 Casting dewaxing device
CN114523071A (en) * 2021-07-28 2022-05-24 成都富江新材料有限责任公司 Shell dewaxing device and shell dewaxing method
CN115846593A (en) * 2022-11-28 2023-03-28 洛阳航辉新材料有限公司 Dewaxing equipment for precision investment casting
CN115846593B (en) * 2022-11-28 2023-10-20 洛阳航辉新材料有限公司 Dewaxing method for precision investment casting

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Granted publication date: 20141105

Termination date: 20210531