CN109237940A - A kind of bell-type furnace - Google Patents
A kind of bell-type furnace Download PDFInfo
- Publication number
- CN109237940A CN109237940A CN201811277258.0A CN201811277258A CN109237940A CN 109237940 A CN109237940 A CN 109237940A CN 201811277258 A CN201811277258 A CN 201811277258A CN 109237940 A CN109237940 A CN 109237940A
- Authority
- CN
- China
- Prior art keywords
- fire door
- bell
- burner hearth
- type furnace
- ventilating joint
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B11/00—Bell-type furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/18—Door frames; Doors, lids, removable covers
- F27D1/1858—Doors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D2021/0057—Security or safety devices, e.g. for protection against heat, noise, pollution or too much duress; Ergonomic aspects
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention discloses a kind of bell-type furnaces; including with burner hearth furnace body, for by the closed movable fire door of the fire door of burner hearth and the inlet duct for being used to be passed through protective atmosphere into burner hearth; movable fire door is equipped with several air inlets for being used to be passed through protective atmosphere into burner hearth, and all air inlets are connected with the gas source of supply protective atmosphere.The present invention have many advantages, such as structure it is simple, it is at low cost, be easily installed that maintenance, temperature and atmosphere evenness are good, product quality can be improved.
Description
Technical field
The present invention relates to technical field of heat treatment equipment, and in particular to a kind of bell-type furnace.
Background technique
Bell-type furnace is the commonly used equipment of material heat treatment comprising furnace body and movable fire door, furnace body have burner hearth, and burner hearth is set
There is the fire door of downwardly facing opening, movable fire door is used to close the fire door of burner hearth, can be formed be tightly connected with furnace body when closed.For
Guarantee product quality, will be protected also needing to be arranged protective atmosphere access equipment when being heat-treated to the special material such as iron sial
Shield atmosphere be passed through burner hearth, with freeze profile at be full of protective atmosphere environment.The protective atmosphere access equipment of existing bell-type furnace
It is all that air inlet is only set on the side wall of burner hearth, and any air inlet is then not provided on movable fire door, protective atmosphere is through only
Only enter burner hearth from the air inlet of burner hearth sidewall, although this intake method structure is simple, easy to maintain, it is uniform to be unfavorable for temperature
Property and atmosphere field uniformity easily cause the temperature near inboard wall of burner hearth position and admission when continuing big air inflow
Spend that lower, protective atmosphere concentration is higher, and the temperature of burner hearth medium position and bottom is higher, protective atmosphere concentration is lower, causes
Product quality is poor.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the shortcomings of the prior art, provides that a kind of structure is simple, cost
It is low, be easily installed the bell-type furnace that maintenance, temperature and atmosphere evenness are good, product quality can be improved.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of bell-type furnace, including with burner hearth furnace body, for by the closed movable fire door of the fire door of burner hearth and being used for burner hearth
It is inside passed through the inlet duct of protective atmosphere, the activity fire door is equipped with several for being passed through the air inlet of protective atmosphere into burner hearth
Mouthful, all air inlets are connected with the gas source of supply protective atmosphere.
As a further improvement of the above technical scheme:
The gas source is the gas source of the inlet duct, and all air inlets connect pneumatic module and the inlet duct phase by activity
Even.
The activity connect pneumatic module include the first ventilating joint and with the pluggable connection cooperation of the first ventilating joint the
Two ventilating joints, first ventilating joint are set on furnace body and are connected with the inlet duct, and second ventilating joint is set
In on movable fire door, and the second ventilating joint in the fire door of travelling oven door termination burner hearth with the first ventilating joint grafting, respectively into
Port is connected by trachea with second ventilating joint.
The bell-type furnace further includes the sensor whether being aligned for detecting the first ventilating joint and the second ventilating joint.
The sensor is connected with a warning device and when sensor detects that movable fire door does not close burner hearth fire door
Warning device alarm.
The activity fire door is equipped with the bearing assembly that multiple groups are used to place load bearing board, and multiple groups bearing assembly is successively spaced cloth
Set, every group of bearing assembly includes more load-bearing pillars, it is described activity fire door on correspond to every group of bearing assembly be equipped at least one into
The outgassing direction direction of port, the air inlet is placed on the load bearing board bottom surface on load-bearing pillar.
Every group of bearing assembly is corresponded on the activity fire door and is equipped with an air inlet, and each air inlet face corresponds to load bearing board
Center.
At least one load-bearing pillar has a supporting part of a bearing load bearing board, and the cross section of the supporting part is along from top to bottom
Direction is gradually reduced.
The activity fire door includes fire door main body and the refractory material layer in fire door main body, the refractory material layer
Outside is coated with stainless steel isolation board.
Compared with the prior art, the advantages of the present invention are as follows: bell-type furnace of the invention is arranged on movable fire door and gas source
The air inlet of connection can be passed through in burner hearth from burner hearth bottom by protective atmosphere, can not only improve the uniform of protective atmosphere in burner hearth
Property, and the uniformity of temperature in burner hearth can be improved, it is conducive to improve product quality.And air inlet is set on movable fire door,
Structure is simple, it is at low cost, be easily installed maintenance.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view schematic diagram of bell-type furnace.
Fig. 2 is the schematic view of the front view of movable fire door.
Fig. 3 is the overlooking structure diagram of movable fire door.
Marginal data:
1, furnace body；11, burner hearth；2, movable fire door；3, air inlet；4, the second ventilating joint；5, trachea；6, load-bearing pillar.
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 to Figure 3, the bell-type furnace of the present embodiment, including with burner hearth 11 furnace body 1, for by burner hearth 11
The closed activity fire door 2(of fire door is usually kiln car) and inlet duct for being passed through from protective atmosphere to burner hearth 11, travelling oven
Door 2 is equipped with several for being passed through the air inlet 3 of protective atmosphere, all air inlets 3 and supply protective atmosphere into burner hearth 11
Gas source is connected.The air inlet 3 being connected to gas source is arranged in the bell-type furnace on movable fire door 2, can will protect gas from 11 bottom of burner hearth
Atmosphere is passed through in burner hearth 11, can not only improve the uniformity of protective atmosphere in burner hearth 11, and can improve the uniform of temperature in burner hearth 11
Property, it is conducive to improve product quality.And air inlet 3 is set on movable fire door 2, structure is simple, it is at low cost, be easily installed dimension
Shield.
In the present embodiment, gas source is the gas source of inlet duct, and all air inlets 3 connect pneumatic module and inlet duct by activity
It is connected.Namely the air inlet 3 on movable fire door 2 shares a gas with the inlet duct for being passed through protective atmosphere into burner hearth 11
Source, bell-type furnace entire so only need to be arranged a gas source, conducive to reducing cost, reducing control difficulty and being easily installed dimension
Shield, and structural compactness can also be improved.Activity, which connects pneumatic module, can adapt to the opening and closing of movable fire door 2, open in movable fire door 2
It disconnects when opening with inlet duct, is connected to when movable fire door 2 is closed with inlet duct.
In the present embodiment, activity connect pneumatic module include the first ventilating joint (not shown) and with the first ventilating joint
Second ventilating joint 4 of pluggable connection cooperation, the first ventilating joint are set on furnace body 1 and are connected with inlet duct, and second is logical
Gas connector 4 is set on movable fire door 2, and the second ventilating joint 4 is ventilated in the fire door of movable 2 closed furnace 11 of fire door with first
Connector grafting, each air inlet 3 are connected by trachea 5 with the second ventilating joint 4.Activity is connect pneumatic module and is matched using pluggable connection
The first ventilating joint and the second ventilating joint 4 closed can be realized in the opening and closing of movable fire door 2 with movable 2 translational motion of fire door
Autopatching or disengaging do not need that driving mechanism is in addition arranged, simple and compact for structure, at low cost, stable and reliable in work.
In the present embodiment, bell-type furnace further includes for detecting whether the first ventilating joint and the second ventilating joint 4 are aligned
Sensor, which can be connected with the control system of movable fire door 2 realizes the control that act to movable fire door 2, leads to when first
When gas connector and the second ventilating joint 4 are aligned, make movable fire door 2 could be along 4 grafting of the first ventilating joint and the second ventilating joint
Direction continues closing motion, guarantees that the Dock With Precision Position of the first ventilating joint and the second ventilating joint 4 and movable fire door 2 close
The security reliability closed.Preferably, sensor is connected with a warning device, detects movable fire door 2 not by burner hearth in sensor
11 fire doors close the alarm of Times alarm device.
In the present embodiment, movable fire door 2 is equipped with the bearing assembly that multiple groups are used to place load bearing board, is used to put on load bearing board
Glove material, successively arranged for interval, every group of bearing assembly include more load-bearing pillars 6 to multiple groups bearing assembly, are corresponded on movable fire door 2 every
Group bearing assembly is equipped at least one air inlet 3, and the outgassing direction direction of air inlet 3 is placed on the load bearing board on load-bearing pillar 6
Bottom surface.The protective atmosphere that air inlet 3 is blown out blows to load bearing board bottom surface, disperses around under the barrier effect of load bearing board, and from
The surrounding edge of load bearing board rises, and is conducive to improve atmosphere evenness, and the material for being conducive to protective atmosphere and being placed on load bearing board
It comes into full contact with.
In the present embodiment, every group of bearing assembly is corresponded on movable fire door 2 and is equipped with an air inlet 3, each 3 face of air inlet
The center of corresponding load bearing board.So that uniformly scattering from the atmosphere that air inlet 3 is blown out to load bearing board surrounding, it is more advantageous to and mentions
High atmosphere evenness, is more favorable to protective atmosphere and the material being placed on load bearing board is full and uniform contacts.
In the present embodiment, at least one load-bearing pillar 6 has a supporting part of a bearing load bearing board, the cross section of supporting part along by
Direction under is gradually reduced, this kind of structure can more be put down in the case where that can reduce 6 consumptive material of load-bearing pillar and cost of manufacture
Steady bearing load bearing board improves the safety of product conducive to the stationarity for improving material on load bearing board.Preferably, load-bearing pillar 6
Supporting part is inverted cone, and the rest part of load-bearing pillar 6 is a cylindrical body.Load-bearing pillar 6 is corundum-mullite material.
In the present embodiment, movable fire door 2 includes fire door main body and the refractory material layer in fire door main body, refractory material
The outside of layer is coated with stainless steel isolation board.It is dirty that the refractory material that stainless steel isolation board can avoid refractory material layer enters burner hearth 11
Material is contaminated, to guarantee product quality.Preferably, above-mentioned stainless steel isolation board correspond to every load-bearing pillar 6 be designed with one it is embedded
Hole, each insertion of load-bearing pillar 6 are mounted in corresponding embedded hole, are conducive to improve stainless steel isolation board isolation effect.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example.To those of ordinary skill in the art, obtained improvement and change in the case where not departing from the technology of the present invention concept thereof
It changes and also should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of bell-type furnace, including with burner hearth (11) furnace body (1), for by the closed movable fire door of the fire door of burner hearth (11)
(2) it and is used for the interior inlet duct for being passed through protective atmosphere of burner hearth (11), it is characterised in that: the activity fire door (2) is equipped with
Several air inlets (3) for being used to be passed through protective atmosphere into burner hearth (11), the gas source of all air inlets (3) and supply protective atmosphere
It is connected.
2. bell-type furnace according to claim 1, it is characterised in that: the gas source is the gas source of the inlet duct, is owned
Air inlet (3) connects pneumatic module by activity and is connected with the inlet duct.
3. bell-type furnace according to claim 2, it is characterised in that: the activity connect pneumatic module include the first ventilating joint with
And the second ventilating joint (4) with the pluggable connection cooperation of the first ventilating joint, first ventilating joint are set on furnace body (1)
And be connected with the inlet duct, second ventilating joint (4) is set on movable fire door (2), and the second ventilating joint (4) exists
When the fire door of movable fire door (2) closed furnace (11) with the first ventilating joint grafting, each air inlet (3) by trachea (5) with
Second ventilating joint (4) is connected.
4. bell-type furnace according to claim 3, it is characterised in that: the bell-type furnace further includes connecing for detecting the first ventilation
The sensor whether head and the second ventilating joint (4) are aligned.
5. bell-type furnace according to claim 4, it is characterised in that: the sensor is connected and is being sensed with a warning device
Device detects movable fire door (2) not by the closing Times alarm device alarm of burner hearth (11) fire door.
6. bell-type furnace according to claim 1, it is characterised in that: the activity fire door (2) is equipped with multiple groups for placing
The bearing assembly of load bearing board, multiple groups bearing assembly successively arranged for interval, every group of bearing assembly includes more load-bearing pillars (6), described
Every group of bearing assembly is corresponded on movable fire door (2) is equipped at least one air inlet (3), the outgassing direction of the air inlet (3)
Towards the load bearing board bottom surface being placed on load-bearing pillar (6).
7. bell-type furnace according to claim 6, it is characterised in that: correspond to every group of bearing assembly on the activity fire door (2)
It is equipped with an air inlet (3), each air inlet (3) face corresponds to the center of load bearing board.
8. bell-type furnace according to claim 6, it is characterised in that: at least one load-bearing pillar (6) has a bearing load bearing board
Supporting part, the cross section of the supporting part is gradually reduced along direction from top to bottom.
9. bell-type furnace according to any one of claim 1 to 8, it is characterised in that: the activity fire door (2) includes fire door
Main body and the refractory material layer in fire door main body, the outside of the refractory material layer are coated with stainless steel isolation board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811277258.0A CN109237940A (en) | 2018-10-30 | 2018-10-30 | A kind of bell-type furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811277258.0A CN109237940A (en) | 2018-10-30 | 2018-10-30 | A kind of bell-type furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109237940A true CN109237940A (en) | 2019-01-18 |
Family
ID=65079458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811277258.0A Pending CN109237940A (en) | 2018-10-30 | 2018-10-30 | A kind of bell-type furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109237940A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179130A (en) * | 2020-09-30 | 2021-01-05 | 上海宝钢磁业有限公司 | Bell jar furnace with high-temperature uniformity |
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|---|---|---|---|---|
| CN102052836A (en) * | 2009-10-30 | 2011-05-11 | 成都弘佛科技有限公司 | Alarm magnesium alloy smelting furnace with three lines of gas inlet protection |
| CN202648374U (en) * | 2012-06-07 | 2013-01-02 | 哈尔滨北工测绘有限责任公司 | Kiln for firing integral vitrolite map |
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| CN104296529A (en) * | 2014-06-27 | 2015-01-21 | 长沙矿冶研究院有限责任公司 | Bell-type atmosphere furnace applicable to sintering of ITO targets |
| CN204535391U (en) * | 2015-03-31 | 2015-08-05 | 江苏罗化新材料有限公司 | A kind of burner hearth of atmosphere batch-type furnace |
| CN204665900U (en) * | 2015-06-01 | 2015-09-23 | 郑州华邦工具股份有限公司 | Novel bell jar stove heating heated air circulation device |
| CN205482332U (en) * | 2016-05-31 | 2016-08-17 | 大埔县富大陶瓷有限公司 | Shuttle formula ceramic kiln |
| CN106287793A (en) * | 2016-08-12 | 2017-01-04 | 纪敏婵 | The combustor slag-tap boiler door gear that a kind of fire door Guan Bi is reported to the police |
| CN206989682U (en) * | 2017-08-02 | 2018-02-09 | 郑州登电科诚新材料有限公司 | A kind of muffle furnace |
| CN207062133U (en) * | 2017-07-07 | 2018-03-02 | 福建省万达汽车玻璃工业有限公司 | The detection means of four hearth furnace closing of the door situation |
| CN108225023A (en) * | 2018-01-31 | 2018-06-29 | 洛阳华旭利尔电炉有限公司 | A kind of molybdenum plate high-temperature heating treatment atmosphere protection stove |
| CN209116747U (en) * | 2018-10-30 | 2019-07-16 | 湖南金炉科技股份有限公司 | A kind of bell-type furnace |
-
2018
- 2018-10-30 CN CN201811277258.0A patent/CN109237940A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052836A (en) * | 2009-10-30 | 2011-05-11 | 成都弘佛科技有限公司 | Alarm magnesium alloy smelting furnace with three lines of gas inlet protection |
| ITMI20120524A1 (en) * | 2012-03-30 | 2013-10-01 | Fas International Spa | AUTOMATIC DISTRIBUTOR WITH MICROWAVE OVEN |
| CN202648374U (en) * | 2012-06-07 | 2013-01-02 | 哈尔滨北工测绘有限责任公司 | Kiln for firing integral vitrolite map |
| CN104296529A (en) * | 2014-06-27 | 2015-01-21 | 长沙矿冶研究院有限责任公司 | Bell-type atmosphere furnace applicable to sintering of ITO targets |
| CN204535391U (en) * | 2015-03-31 | 2015-08-05 | 江苏罗化新材料有限公司 | A kind of burner hearth of atmosphere batch-type furnace |
| CN204665900U (en) * | 2015-06-01 | 2015-09-23 | 郑州华邦工具股份有限公司 | Novel bell jar stove heating heated air circulation device |
| CN205482332U (en) * | 2016-05-31 | 2016-08-17 | 大埔县富大陶瓷有限公司 | Shuttle formula ceramic kiln |
| CN106287793A (en) * | 2016-08-12 | 2017-01-04 | 纪敏婵 | The combustor slag-tap boiler door gear that a kind of fire door Guan Bi is reported to the police |
| CN207062133U (en) * | 2017-07-07 | 2018-03-02 | 福建省万达汽车玻璃工业有限公司 | The detection means of four hearth furnace closing of the door situation |
| CN206989682U (en) * | 2017-08-02 | 2018-02-09 | 郑州登电科诚新材料有限公司 | A kind of muffle furnace |
| CN108225023A (en) * | 2018-01-31 | 2018-06-29 | 洛阳华旭利尔电炉有限公司 | A kind of molybdenum plate high-temperature heating treatment atmosphere protection stove |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179130A (en) * | 2020-09-30 | 2021-01-05 | 上海宝钢磁业有限公司 | Bell jar furnace with high-temperature uniformity |
| CN112179130B (en) * | 2020-09-30 | 2022-07-15 | 上海宝钢磁业有限公司 | Bell jar furnace with high-temperature uniformity |
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