CN203163485U - Atmosphere bell-jar furnace - Google Patents
Atmosphere bell-jar furnace Download PDFInfo
- Publication number
- CN203163485U CN203163485U CN 201220736576 CN201220736576U CN203163485U CN 203163485 U CN203163485 U CN 203163485U CN 201220736576 CN201220736576 CN 201220736576 CN 201220736576 U CN201220736576 U CN 201220736576U CN 203163485 U CN203163485 U CN 203163485U
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- China
- Prior art keywords
- furnace shell
- bell jar
- burner hearth
- thermal treatment
- jar stove
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Abstract
An atmosphere bell-jar furnace comprises a furnace casing, a lifting carrying platform and a sealing ring, wherein the furnace casing is in a rectangular column shape and adopts a hollow structure; the bottom of the furnace casing is an opening end, and a furnace chamber is defined by inner walls of the furnace casing; the lifting carrying platform is detachably connected with the opening end of the furnace casing; the sealing ring is arranged at the opening end of the furnace casing; and the connection position of the furnace casing and the lifting carrying platform is sealed. According to the atmosphere bell-jar furnace, with the adoption of the method of sealing the connection position of the furnace casing and the lifting carrying platform, the airtightness of the furnace chamber is guaranteed, and the requirement for sintering a product under an oxygen-free environment is met.
Description
Technical field
The utility model relates to industrial furnace, particularly relates to a kind of atmosphere bell jar stove.
Background technology
Atmosphere bell jar stove serial equipment mainly is applicable to the high-sintering process of electronic ceramics (function ceramics and structural ceramics), magnetic material and powder metallurgy etc.Atmosphere bell jar stove can be divided into single-point temperature control bell jar stove and air type bell jar stove.Single-point temperature control bell jar stove adopts heater evenly to lift or install in burner hearth inside, the single-point temperature control, and this kind mode is simple in structure, installs easily, and is with low cost.And air type bell jar stove adopts the structure of burner hearth product sintering in air.
Along with the progress of science and technology, increasing product demand is carried out sintering under oxygen-free environment.And in traditional atmosphere bell jar stove, it tends to bring into oxygen in the process of product being carried out sintering, causes the air-tightness deficiency, and product can't satisfy the demands.
The utility model content
Based on this, be necessary to provide a kind of air-tightness atmosphere bell jar stove preferably.
A kind of atmosphere bell jar stove comprises:
Furnace shell is the rectangle column, and is hollow structure, and described furnace shell bottom is openend, and described furnace shell inwall surrounds burner hearth;
The lifting microscope carrier is removably connected to the openend of described furnace shell; And
The bottom sealing ring is arranged at the open end of described furnace shell, and the junction of described furnace shell and described lifting microscope carrier is sealed.
Therein among embodiment, two relative shell walls are respectively offered corresponding heating rod installing hole on the described furnace shell, described atmosphere bell jar stove also comprises heating rod and seal cover, described heating rod wears on the described furnace shell heating rod installing hole on the two relative shell walls, and cross in the described burner hearth, described seal cover is removable installed on the described furnace shell outer wall, and with described heating rod installing hole sealing.
Among embodiment, described burner hearth comprises a plurality of heating regions therein, and each described heating region all crosses two to three heating rods.
Therein among embodiment, described a plurality of heating regions comprise the upper left thermal treatment zone, in go up the thermal treatment zone in the thermal treatment zone, the upper right thermal treatment zone, the left side, in the thermal treatment zone in the thermal treatment zone, the right side, the thermal treatment zone, lower-left, in the thermal treatment zone and the thermal treatment zone, bottom right down.
Among embodiment, also comprise thermocouple therein, described thermocouple wears the shell wall of described furnace shell so that described burner hearth is carried out thermometric.
Therein among embodiment, offer a plurality of bottom air inlets on the described burner hearth bottom madial wall, described furnace shell top offers the exhaust outlet that is conducted with described burner hearth, described atmosphere bell jar stove also comprises exhaust cap and exhaust outlet sealing ring, described exhaust cap detachably is arranged at described exhaust ports, and described exhaust outlet sealing ring is with the junction sealing of described exhaust cap and described exhaust outlet.
Among embodiment, described furnace shell madial wall is provided with ventilative refractory masses therein, also offers first air inlet on the perpendicular sidewall of described furnace shell and described heating rod, and described refractory masses covers described first air inlet.
Among embodiment, atmosphere bell jar stove also comprises air inlet pipe therein, and described air inlet pipe wears the described furnace shell sidewall parallel with described heating rod and described refractory masses, and enters in the described burner hearth.
Among embodiment, described air inlet pipe is earthenware therein.
Among embodiment, described refractory masses is the ceramic alumina fiber material layer therein.
In the above-mentioned atmosphere bell jar stove, seal by adopting furnace shell and the junction of lifting microscope carrier, and furnace shell top steam vent etc. is located also to seal, guaranteed the air-tightness of burner hearth, satisfied product carries out sintering under oxygen-free environment demand.
Protective gas feeds from burner hearth bottom by bottom air inlet in addition; penetrate into burner hearth by first air inlet and ventilative refractory masses; and directly feed side top and the side-lower of burner hearth by air inlet pipe; make protective gas can cover each zone in the burner hearth, guaranteed the uniformity of atmosphere.
Description of drawings
Fig. 1 is the structure chart of the bell jar stove in the utility model preferred embodiment;
Fig. 2 is the cutaway view of atmosphere bell jar stove shown in Figure 1;
Fig. 3 is the partial enlarged drawing at A place in the atmosphere bell jar stove shown in Figure 2;
Fig. 4 is the cutaway view of another angle of atmosphere bell jar stove shown in Figure 1;
Fig. 5 is the side view of atmosphere bell jar stove shown in Figure 1;
Fig. 6 is the structure chart of another angle of atmosphere bell jar stove shown in Figure 1;
Fig. 7 is the partial enlarged drawing at B place in the atmosphere bell jar stove shown in Figure 2.
The specific embodiment
For the ease of understanding the utility model, with reference to relevant drawings the utility model is described more fully below.Provided preferred embodiments of the present utility model in the accompanying drawing.But the utility model can be realized with many different forms, be not limited to embodiment described herein.On the contrary, provide the purpose of these embodiments be make to disclosure of the present utility model understand comprehensively thorough more.
Need to prove that when element is called as " being fixed in " another element, can directly can there be element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be to be directly connected to another element or may to have element placed in the middle simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement do not represent it is unique embodiment just for illustrative purposes.
Unless otherwise defined, the employed all technology of this paper are identical with the implication that belongs to those skilled in the art's common sense of the present utility model with scientific terminology.Employed term is not intended to be restriction the utility model just in order to describe the purpose of concrete embodiment in specification of the present utility model herein.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
See also Fig. 1, Fig. 2 and Fig. 3, the atmosphere bell jar stove 100 in the utility model preferred embodiment comprises furnace shell 110, lifting microscope carrier 130 and bottom sealing ring 120.
Last two relative shell walls are respectively offered heating rod installing hole 115 on the furnace shell 110.See also Fig. 4 and Fig. 5, atmosphere bell jar stove 100 also comprises heating rod 140 and seal cover 117, heating rod 140 wears on the furnace shell 110 the heating rod installing hole 115 on the two relative shell walls and crosses in the burner hearth 113, seal cover 117 is removable installed on furnace shell 110 outer walls, and with 115 sealings of heating rod installing hole.Heating rod 140 can be selected Elema for use.
Can offer a plurality of heating rod installing holes 115 on the furnace shell 110, heating rod installing hole 115 evenly distributes on furnace shell 110 sidewalls.The quantity of heating rod 140 is corresponding with heating rod installing hole 115, all crosses two to three heating rods 140 to guarantee each heating region, makes each heating region homogeneous heating in the burner hearth 113.
Simultaneously, be equipped with thermocouple 119 in a plurality of heating regions, thermocouple 119 wears the shell wall of furnace shell 110 so that burner hearth 113 is carried out thermometric.Thermocouple 119 can in time detect the variations in temperature of each heating region, adjusts the caloric value of each heating rod 140.
When sintering, need constantly in burner hearth 113, to feed protective gas, with product and the oxygen generation oxidation reaction that prevents from making.In traditional atmosphere bell jar furnace atmosphere structure, protective gas can form an apparent in view flow direction, causes burner hearth 113 interior a part of zones not have gas shield, influences atmosphere evenness.
See also Fig. 6, in order to satisfy above-mentioned requirements, offer a plurality of bottom air inlets 112 on the burner hearth 113 bottom inside walls, protective gas passes through bottom air inlet 112 from burner hearth 113 bottom inflows.See also Fig. 7, furnace shell 110 tops offer the exhaust outlet 114 that is conducted with burner hearth 113, atmosphere bell jar stove 100 also comprises exhaust cap 116 and exhaust outlet sealing ring 160, exhaust cap 116 detachably is arranged at exhaust outlet 114 places, and exhaust outlet sealing ring 160 is with exhaust cap 116 and the sealing of exhaust outlet 114 junctions.Exhaust outlet 114 is used for discharging protective gas, keeps protective gas flowing in burner hearth 113.
Atmosphere bell jar stove 100 also comprises air inlet pipe 118, and air inlet pipe 118 is generally earthenware.Air inlet pipe 118 wears the sidewall that furnace shell 110 parallels with heating tube, and passes refractory masses 150 and enter in the burner hearth 113.Air inlet pipe 118 directly feeds protective gas side top and the side-lower of burner hearth 113.
In the above-mentioned atmosphere bell jar stove 100, by adopting furnace shell 110 and the junction of lifting microscope carrier 130 to seal, and the places such as exhaust outlet 114 at furnace shell 110 tops are also sealed, guaranteed the air-tightness of burner hearth 113, satisfied product carries out sintering under oxygen-free environment demand.
Protective gas feeds from burner hearth 113 bottoms by bottom air inlet 112 in addition; penetrate into burner hearth 113 by first air inlet 170 and ventilative refractory masses 150; and directly feed above the side of burner hearth 113 and side-lower by air inlet pipe 118; make protective gas can cover each zone in the burner hearth 113, guaranteed the uniformity of atmosphere.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. an atmosphere bell jar stove is characterized in that, comprising:
Furnace shell is the rectangle column, and is hollow structure, and described furnace shell bottom is openend, and described furnace shell inwall surrounds burner hearth;
The lifting microscope carrier is removably connected to the openend of described furnace shell; And
The bottom sealing ring is arranged at the open end of described furnace shell, and the junction of described furnace shell and described lifting microscope carrier is sealed.
2. atmosphere bell jar stove according to claim 1, it is characterized in that, two relative shell walls are respectively offered corresponding heating rod installing hole on the described furnace shell, described atmosphere bell jar stove also comprises heating rod and seal cover, described heating rod wears on the described furnace shell heating rod installing hole on the two relative shell walls, and cross in the described burner hearth, described seal cover is removable installed on the described furnace shell outer wall, and with described heating rod installing hole sealing.
3. atmosphere bell jar stove according to claim 2 is characterized in that described burner hearth comprises a plurality of heating regions, and each described heating region all crosses two to three heating rods.
4. atmosphere bell jar stove according to claim 3, it is characterized in that, described a plurality of heating regions comprise the upper left thermal treatment zone, in go up the thermal treatment zone in the thermal treatment zone, the upper right thermal treatment zone, the left side, in the thermal treatment zone in the thermal treatment zone, the right side, the thermal treatment zone, lower-left, in the thermal treatment zone and the thermal treatment zone, bottom right down.
5. atmosphere bell jar stove according to claim 2 is characterized in that, also comprises thermocouple, and described thermocouple wears the shell wall of described furnace shell so that described burner hearth is carried out thermometric.
6. atmosphere bell jar stove according to claim 2, it is characterized in that, offer a plurality of bottom air inlets on the described burner hearth bottom madial wall, described furnace shell top offers the exhaust outlet that is conducted with described burner hearth, described atmosphere bell jar stove also comprises exhaust cap and exhaust outlet sealing ring, described exhaust cap detachably is arranged at described exhaust ports, and described exhaust outlet sealing ring is with the junction sealing of described exhaust cap and described exhaust outlet.
7. atmosphere bell jar stove according to claim 6, it is characterized in that, described furnace shell madial wall is provided with ventilative refractory masses, also offers first air inlet on the perpendicular sidewall of described furnace shell and described heating rod, and described refractory masses covers described first air inlet.
8. atmosphere bell jar stove according to claim 7 is characterized in that, atmosphere bell jar stove also comprises air inlet pipe, and described air inlet pipe wears the described furnace shell sidewall parallel with described heating rod and described refractory masses, and enters in the described burner hearth.
9. atmosphere bell jar stove according to claim 8 is characterized in that, described air inlet pipe is earthenware.
10. atmosphere bell jar stove according to claim 7 is characterized in that, described refractory masses is the ceramic alumina fiber material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220736576 CN203163485U (en) | 2012-12-27 | 2012-12-27 | Atmosphere bell-jar furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220736576 CN203163485U (en) | 2012-12-27 | 2012-12-27 | Atmosphere bell-jar furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203163485U true CN203163485U (en) | 2013-08-28 |
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ID=49024664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220736576 Ceased CN203163485U (en) | 2012-12-27 | 2012-12-27 | Atmosphere bell-jar furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203163485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115560587A (en) * | 2022-10-20 | 2023-01-03 | 广东昊达智能装备科技有限公司 | Atmosphere bell-jar furnace capable of rapidly heating and control method thereof |
-
2012
- 2012-12-27 CN CN 201220736576 patent/CN203163485U/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115560587A (en) * | 2022-10-20 | 2023-01-03 | 广东昊达智能装备科技有限公司 | Atmosphere bell-jar furnace capable of rapidly heating and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20140912 Decision number of declaring invalidation: 23777 Granted publication date: 20130828 |