CN206609280U - A kind of Muffle furnace air-breather - Google Patents
A kind of Muffle furnace air-breather Download PDFInfo
- Publication number
- CN206609280U CN206609280U CN201720234435.1U CN201720234435U CN206609280U CN 206609280 U CN206609280 U CN 206609280U CN 201720234435 U CN201720234435 U CN 201720234435U CN 206609280 U CN206609280 U CN 206609280U
- Authority
- CN
- China
- Prior art keywords
- muffle furnace
- air
- breather
- tripod
- inlet pipe
- 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.)
- Expired - Fee Related
Links
- 210000000621 bronchi Anatomy 0.000 claims abstract description 6
- 239000011148 porous material Substances 0.000 claims abstract description 6
- 239000010453 quartz Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000003708 ampul Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000011449 brick Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 abstract description 6
- 238000002203 pretreatment Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000003519 ventilatory effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 24
- 238000001354 calcination Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model discloses a kind of Muffle furnace air-breather, it is characterized in that：Provided with a tripod, the tripod plate and vertical side panel above level are constituted, provided with ventilative face on top panel, gas distribution pipe is provided with the underlying space of tripod, the gas distribution pipe is made up of the interconnected bronchus of several vertical and horizontal in one plane, provided with ventilative pore on bronchial upper tube wall, and provided with air inlet pipe, the air inlet pipe is connected by switch with external air source.The utility model is applied to the improvement air-breather of Muffle furnace; the air-breather employs the structure for conveying required gas from bottom to top; the ventilatory function of Muffle furnace is solved well; so that chemical example pre-treating technology is easy to carry out; acquisition is aoxidized to the component in sample; reduction or the extraordinary pre-treatment effect of inertia protection, and protect sample not polluted by the emergent gas of other samples.
Description
Technical field
The utility model is related to a kind of chemical sample device mass metrology detection device, and setting for pre-treatment is carried out in a kind of detection
It is standby, particularly a kind of improved air-breather of Muffle furnace.
Background technology
In chemical example pretreatment process, many times need to carry out calcination processing to sample, in calcination processing procedure
In, appropriate gas is passed through, the component in sample can be aoxidized, reduction or inertia protection, the gas being passed through include oxygen
Gaseous mixture of gas, hydrogen, carbon monoxide, methane, nitrogen, helium, argon gas and multiple gases etc..The Muffle furnace used at present does not have
Ventilatory function, it is difficult to carry out this operation.Therefore need to transform existing Muffle furnace, achieve the work(of ventilation in stove
Energy.Simultaneously, it is ensured that circulating direction of the air-flow in Muffle furnace is from bottom to top, can effectively to protect sample not by other samples
Emergent gas pollution.
Utility model content
In order to solve the above-mentioned technical problem the utility model, proposes a kind of Muffle furnace air-breather, and the air-breather is used
The structure of gas, solves the ventilatory function of Muffle furnace so that chemical example pre-treatment well needed for conveying from bottom to top
Technique is easy to carry out, and acquisition is aoxidized to the component in sample, the extraordinary pre-treatment effect of reduction or inertia protection,
And protect sample not polluted by the emergent gas of other samples.
To achieve these goals, the utility model provides following technical scheme：
A kind of Muffle furnace air-breather, it is characterized in that：Provided with a tripod, tripod plate and perpendicular above level
Front panel is constituted, provided with ventilative face on top panel, is provided with gas distribution pipe in the underlying space of tripod, the gas distribution pipe by
The interconnected bronchus of several vertical and horizontal in one plane is constituted, and permeability cell is provided with bronchial upper tube wall
Hole, and provided with air inlet pipe, the air inlet pipe is connected by switch with source of the gas.
The utility model is further improved and the additional project of implementation is：
Muffle furnace roof of the furnace be provided with steam vent, the air inlet pipe through Muffle furnace burner hearth sidewall by switch with
Outside source of the gas connection.
The tripod is made up of refractory brick material, and the gas distribution pipe is made up of quartz ampoule.
The aperture of ventilative face on the top panel is 2-10mm；The diameter of ventilative pore on the bronchus is 2
- 6mm.
Controller is additionally provided with, the controller carries out signal with the thermocouple set in muffle furnace hearth and is connected, and with entering
The controllable power switch that gate-controlled switch, the Muffle furnace set on tracheae is set is controlled connection, and controller is additionally provided with to control
The timer of heat time processed.
Crucible is placed on sample tray, so in use, first the sample for needing calcination is placed in crucible by this air-breather
Sample tray is integrally placed in the burner hearth of Muffle furnace on the position above vent line afterwards, fire door is closed, burner hearth top is opened
Portion's round, opens burner hearth heater switch, opens the air inlet pipe switch of air-breather, the time of heating is controlled according to the change of temperature
With the time for closing burner hearth heater switch.
Brief description of the drawings
Fig. 1 is use state structural representation of the present utility model.
Fig. 2 is the structural representation of gas distribution pipe of the present utility model.
Embodiment
The utility model is illustrated with reference to example and accompanying drawing, embodiment：Referring to accompanying drawing, a kind of Muffle furnace ventilation
Device, the tripod 4 for the placement crucible 3 being made provided with a refractory brick material, the tripod is by long 240mm, wide 100mm water
Plate and high 50mm vertical side panel are constituted above flat, aperture 3mm ventilative face 5 are provided with top panel, in tripod
Underlying space in the gas distribution pipe 6 that is made provided with quartz ampoule, the gas distribution pipe is by several vertical and horizontal phase in one plane
Intercommunicated bronchus 9 is constituted, and aperture 4mm ventilative pore 8 is provided with bronchial upper tube wall, and provided with air inlet pipe 7, should
Air inlet pipe is connected by switch with external air source.Steam vent 2 is provided with the top of burner hearth 1 of Muffle furnace, the air inlet pipe passes through horse
Not the burner hearth sidewall of stove is connected by switching with outside source of the gas.Controller is additionally provided with, in the controller and muffle furnace hearth
The thermocouple of setting carries out signal connection, and the controllable power switch set with the gate-controlled switch, the Muffle furnace that are set in air inlet pipe
Connection is controlled, controller is additionally provided with to control the timer of heat time.
Embodiment is further described：Vent line：Vent line is designed as symmetrical expression pipeline in stove, in symmetric position
Multiple ventholes are set, after being passed through gas and reaching certain pressure, it is ensured that gas is in each venthole with uniform same
Flow velocity flows out, it is ensured that in the uniform and stable of pipeline overhead stream.Vent line is placed on the bottom of muffle furnace hearth, from breather pipe
The rapid expansion of gas preheating of road outflow, rises, it is ensured that air-flow is flowed up.This effectively prevent in sample thermal histories
In, the occurrence of some volatile substances in sample pollute other samples in burner hearth.Compared to simply in Muffle
The design of air admission hole is installed at furnace side face or top, can be effectively improved gas utilization efficiency and be effectively prevent sample secondary pollution
Generation.The material of vent line is quartz, its several characteristics：1st, quartz has very low thermal coefficient of expansion, can be resistant to
Violent temperature change and it is indeformable.Temperature highest in Muffle furnace can reach more than 1000 degrees Celsius, and quartz ampoule will not become
Shape, damage.2nd, hardness is high under quartzy normal temperature, and heating post-processing shaping is easier again, and manufacturing cost is than relatively low.3rd, quartz can be with
The various sour erosions in addition to HF acid and hot phosphoric acid are resistant to, chemical inertness is very good, it is adaptable in the experiment that acid gas is larger
Used for a long time in room environmental.4th, quartz be heat non-conductor, under 1200 degrees Celsius, its thermal conductivity factor be only 0.00581 card/
Centimetres seconds DEG C.When quartzy pipeline in in-furnace temperature reaches that 1200 degrees Celsius are the quartz ampoules that are exposed at 20 centimeter lengths outside body of heater
Tail temperature is only suitable with room temperature, it is ensured that the junction portion of quartz ampoule and feeding pneumatic will not aging gas leakage.
The placement of sample and pipette for convenience, sample tray is devised above air-breather, the sample tray is
Refractory brick material, in order to ensure the proper flow of gas, is designed as open grain structure.In use, will first need the sample of calcination
It is placed in crucible, crucible is placed on sample tray, then sample tray is integrally placed in Muffle furnace above vent line
Position on, it is overall to take out after calcination is finished.Need to open one and ventilation pore at Muffle furnace rear or side using this design
The suitable aperture in footpath, for installing breather pipe.In addition, it is necessary in Muffle furnace top design steam vent.
It should be pointed out that for those skilled in the art, before the utility model principle is not departed from
Put, some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection domain of the present utility model..
Claims (5)
1. a kind of Muffle furnace air-breather, it is characterized in that：Provided with a tripod (4), the tripod above level plate and
Vertical side panel is constituted, and provided with ventilative face (5) on top panel, gas distribution pipe (6) is provided with the underlying space of tripod, should
Gas distribution pipe is made up of the interconnected bronchus (9) of several vertical and horizontal in one plane, in bronchial upper tube wall
Provided with ventilative pore (8), and provided with air inlet pipe (7), the air inlet pipe is connected by switch with external air source.
2. Muffle furnace air-breather according to claim 1, it is characterized in that：Provided with row at the top of the burner hearth (1) of Muffle furnace
Stomata (2), the air inlet pipe is connected through the burner hearth sidewall of Muffle furnace by switching with outside source of the gas.
3. Muffle furnace air-breather according to claim 1, it is characterized in that：The tripod is by refractory brick material system
Into the gas distribution pipe is made up of quartz ampoule.
4. Muffle furnace air-breather according to claim 1, it is characterized in that：The aperture of ventilative face on the top panel
It is 2-10mm；The diameter of ventilative pore on the bronchus is 2-6mm.
5. the Muffle furnace air-breather according to one of claim 1-4, it is characterized in that：Controller is additionally provided with, the control
The thermocouple set in device processed and muffle furnace hearth carries out signal and is connected, and with the gate-controlled switch, the Muffle furnace that are set in air inlet pipe
The controllable power switch of setting is controlled connection, and controller is additionally provided with to control the timer of heat time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720234435.1U CN206609280U (en) | 2017-03-10 | 2017-03-10 | A kind of Muffle furnace air-breather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720234435.1U CN206609280U (en) | 2017-03-10 | 2017-03-10 | A kind of Muffle furnace air-breather |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206609280U true CN206609280U (en) | 2017-11-03 |
Family
ID=60165414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720234435.1U Expired - Fee Related CN206609280U (en) | 2017-03-10 | 2017-03-10 | A kind of Muffle furnace air-breather |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206609280U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006775A (en) * | 2019-04-02 | 2019-07-12 | 湖南三德盈泰环保科技有限公司 | A kind of clinker ignition loss tester and test method |
| CN112146429A (en) * | 2020-11-06 | 2020-12-29 | 上海电气核电设备有限公司 | A positioning tool for box-type resistance muffle furnace |
| CN113606935A (en) * | 2021-07-30 | 2021-11-05 | 合肥圣达电子科技实业有限公司 | Oxidation furnace for improving uniformity of copper sheet oxidation layer |
| RU231774U1 (en) * | 2024-10-29 | 2025-02-11 | Общество с ограниченной ответственностью "КРИП ТЕХНО" | WORKING CHAMBER FOR FIRE-BURNT OF SILICON CARBIDE POWDER MIXTURE |
-
2017
- 2017-03-10 CN CN201720234435.1U patent/CN206609280U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006775A (en) * | 2019-04-02 | 2019-07-12 | 湖南三德盈泰环保科技有限公司 | A kind of clinker ignition loss tester and test method |
| CN112146429A (en) * | 2020-11-06 | 2020-12-29 | 上海电气核电设备有限公司 | A positioning tool for box-type resistance muffle furnace |
| CN113606935A (en) * | 2021-07-30 | 2021-11-05 | 合肥圣达电子科技实业有限公司 | Oxidation furnace for improving uniformity of copper sheet oxidation layer |
| RU231774U1 (en) * | 2024-10-29 | 2025-02-11 | Общество с ограниченной ответственностью "КРИП ТЕХНО" | WORKING CHAMBER FOR FIRE-BURNT OF SILICON CARBIDE POWDER MIXTURE |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20171103 |