CN211739699U - Experimental electric heating blast oven with anti-corrosion sealing function - Google Patents
Experimental electric heating blast oven with anti-corrosion sealing function Download PDFInfo
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- CN211739699U CN211739699U CN202020439388.6U CN202020439388U CN211739699U CN 211739699 U CN211739699 U CN 211739699U CN 202020439388 U CN202020439388 U CN 202020439388U CN 211739699 U CN211739699 U CN 211739699U
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- heating coil
- stainless steel
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- 238000005485 electric heating Methods 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 title claims abstract description 11
- 238000005260 corrosion Methods 0.000 title description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 58
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 20
- 239000010935 stainless steel Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000010425 asbestos Substances 0.000 claims abstract description 5
- 229910052895 riebeckite Inorganic materials 0.000 claims abstract description 5
- 238000009423 ventilation Methods 0.000 claims abstract description 5
- 239000012774 insulation material Substances 0.000 claims abstract description 4
- 238000002474 experimental method Methods 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000001035 drying Methods 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 10
- 230000007797 corrosion Effects 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 229920001780 ECTFE Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses an experimental electric heating blast drying oven with an anticorrosion sealing function, which comprises an inner and outer nested cabin body and an outer box body, wherein an asbestos thermal insulation material is filled between the cabin body and the outer box body, a cabin door is hinged to the front of the cabin body, a closed stainless steel heating coil is installed at the bottom in the cabin body, a propeller type fan is installed at the center of the stainless steel heating coil, a plurality of ventilation holes corresponding to the propeller type fan are formed in the bottom in the cabin body, and a layer of anticorrosion material layer is arranged on each of the inner wall of the cabin body, the inner wall of the cabin door, the stainless steel heating coil and the propeller type fan. The utility model discloses avoided corrosive gas to the harm of oven, extension oven service life, it is even quick to heat up, and easy and simple to handle intelligence effectively avoids piece and the pollution that the oven used for a long time to bring, and the practicality is stronger.
Description
Technical Field
The utility model relates to an experiment electrical heating blast air oven with anticorrosive airtight function.
Background
Chemical reagents are often heated and dried in chemical industry and pharmaceutical industry, heated reagents and steam thereof have strong acidity-basicity and corrosivity, and the adhesion on the surface of an oven can cause the corrosion of an oven box body to generate rust, so that the subsequent heating and drying cause secondary pollution to the reagents, and the experimental accuracy is reduced. Most electrical heating blast air oven on the market adopt single stainless steel heating pipe, single propeller type heat dissipation fan design, lead to experiment programming rate slow, the time-wasting, because of above-mentioned shortcoming, lead to experiment efficiency to greatly descend, waste time and energy and the loss is serious.
Chinese patent application CN 208170884U discloses oven is used in inorganic chemistry laboratory, including oven body, oven body positive side is equipped with sealing door and control panel, be equipped with glass window and sliding door handle on the sealing door, be equipped with glass frame and double-deck shellproof glass on surveying in the sealing door, double-deck shellproof glass passes through glass frame fixed connection on the sealing door, last microcomputer PID controller, switch and the fan speed governing switch of being equipped with of control panel, oven body is inside to be equipped with heating chamber, circulating fan and blast pipe, the heating chamber includes heated air circulation inner bag, carbon fiber heating pipe and heat preservation, carbon fiber heating pipe is connected with the temperature control device of control carbon fiber heating pipe work, oven body upside is equipped with the filter. The utility model discloses a thermal-insulated effectual keeps warm, adopts hot-blast inner loop, ensures temperature uniformity, and the heating is even, and the thermal efficiency is high, is equipped with the filter, and is energy-concerving and environment-protective, is equipped with microcomputer PID controller intelligent control, and the practicality is high. The utility model discloses an used heated air circulation inner bag with the lifting thermal efficiency, nevertheless not considered in the experiment to carry out the secondary pollution that the leakproofness of anticorrosive formula protection and box itself can produce the under-deck reagent to the box.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above-mentioned prior art not enough, provide an electrical heating air-blast oven for experiments with anticorrosive airtight function, effectively reduce the corruption destruction of acid-base reagent to electrical heating air-blast oven, extension electrical heating air-blast oven life has rapid heating save time safe characteristics and has dirt-proof nature, prevents that the reagent of being dried from receiving secondary pollution.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an experimental electric heating blast drying oven with an anticorrosion sealing function comprises a cabin body and an outer box body which are nested inside and outside, wherein an asbestos heat insulation material is filled between the cabin body and the outer box body; a cabin door is hinged to the front of the cabin body, a closed heating coil is mounted at the bottom in the cabin body, a propeller fan is mounted at the center of the heating coil, and a plurality of ventilation holes corresponding to the propeller fan are formed in the bottom in the cabin body; and the inner wall of the cabin body, the inner wall of the cabin door, the heating coil and the propeller type fan are all provided with a layer of anticorrosive material layer.
The hatch door adopts the internal pressure formula structure, and the hatch door that the protrusion comes when the hatch door is closed combines closely with the cabin body, and seam crossing is sealed by silica gel heat insulating gasket, can effectively avoid piece and pollution that the instrument long-term use brought.
And a temperature control operation panel is arranged on the right lower side of the front surface of the outer box body at the lower part of the cabin body.
The outer box body on one side of the cabin body is provided with a hinged support, and the hinged support is hinged with a cabin door.
The cabin body, the cabin door, the heating coil and the propeller type fan are all made of SUS304 stainless steel.
The material of the anticorrosive material coating is PFA, ECTFE, ECTF or PTFE.
The heating coil is formed by splicing two wave-shaped heating pipes into three independent ring-shaped structures, and two ends of the two heating pipes are respectively fixed at the bottom of the cabin body.
The propeller type fan is located at the circle center of the three heating coils, the fan blades are slightly lower than the horizontal height of the heating coils, the distance between the fan blades and the heating coils is less than 2cm, and the two ends of the fan are respectively fixed at the bottom of the cabin body.
The temperature control operation panel uses a PLC control circuit.
And a rear wall at the middle upper part in the cabin body is provided with a horizontally arranged Pt100 temperature sensor.
The utility model discloses the anticorrosive coating that uses is current material, for example ECTF material also has the use on Nanjing Baifu NOO mechanical equipment Limited company ZKFY-110 type anticorrosive oven. The utility model provides a PLC control circuit is prior art, no longer gives unnecessary details here.
The utility model has the advantages that: all there is anticorrosive coating with the part of under-deck direct contact, effectively prevents that corrosivity reagents such as acid-base commonly used in the laboratory from causing the corruption to oven inner wall and internals when heating is dried, extension oven life, hatch door department silica gel heat insulating washer can effectively the separation dust get into the oven cabin body and lead to secondary pollution, and stainless steel heating coil and propeller type fan can make the even rapidity of rising temperature in the cabin body.
Drawings
Fig. 1 is an external view of the present invention;
fig. 2 is a schematic partial cross-sectional view of the present invention.
Wherein 1, a temperature control operation panel; 2. an anticorrosive cabin body; 3. an anti-corrosion cabin door; 4. a stainless steel heating coil; 5. a propeller fan; 6. a temperature sensor; 7. heat insulating asbestos; 8. an outer case.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the purpose which can be achieved by the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1 and 2, electric heating blower oven for experiments with anticorrosive airtight function, including inside and outside nested cabin body 2 and outer box 8, fill asbestos thermal insulation material 7 in the middle of oven cabin body 2 and outer box 8, install the hinged support on the outer box of cabin body 2 one side, the hinged support articulates there is hatch door 3, and confined stainless steel heating coil 4 is installed to the bottom in cabin body 2, propeller type fan 5 is installed at stainless steel heating coil 4 center, the bottom is provided with a plurality of ventilation holes corresponding with propeller type fan 5 in cabin body 2, and the fan during operation is convenient for transmit heating coil 4's heat to the cabin body through the ventilation hole. And the inner wall of the cabin body 2, the inner wall of the cabin door, the stainless steel heating coil and the propeller type fan are all provided with a layer of anticorrosive material layer, and the anticorrosive material layer is made of PFA, ECTFE, ECTF or PTFE. The cabin body 2, the cabin door 3, the heating coil 4 and the propeller type fan 5 are all made of SUS304 stainless steel.
The cabin door 3 adopts an internal pressure type structure, the cabin door 3 protruding out is tightly combined with the cabin body 2 when the cabin door 3 is closed, and the joint is sealed by a silica gel heat insulation gasket, so that the debris and pollution caused by long-term use of the instrument can be effectively avoided. The right lower side of the front surface of the outer box body at the lower part of the cabin body 2 is provided with a temperature control operation panel 1, and the temperature control operation panel 1 uses a PLC control circuit.
The heating coil 4 is formed by splicing two wave-shaped heating pipes into three independent ring-shaped structures, and two ends of the two heating pipes are respectively fixed at the bottom of the cabin body. The propeller type fan is located at the circle center of the three heating coils, the fan blades are slightly lower than the horizontal height of the heating coils, the distance between the fan blades and the heating coils is less than 2cm, and the two ends of the fan are respectively fixed at the bottom of the cabin body. The rear wall of the middle upper part in the cabin body is provided with a horizontally arranged corrosion-resistant Pt100 temperature sensor.
In the use process of the oven, an operator can open the corrosion-resistant cabin door 3 to put in the reagent, the temperature control operation panel 1 is used for controlling the stainless steel heating coil 4 and the propeller type fan 5, the stainless steel heating coil 4 starts to heat and rise in temperature, meanwhile, the propeller type fan 5 runs to generate air flow, the hot air flow is uniformly blown into the whole cabin body through the air holes at the bottom of the corrosion-resistant cabin body 2, the corrosion-resistant cabin body 2 is enabled to heat up rapidly and uniformly, and if the dried reagent generates corrosive gas due to heating in the process, the corrosion-resistant coating can also prevent the corrosion-resistant coating from damaging the equipment. When temperature sensor 6 detects that the temperature in anticorrosive cabin body 2 reaches the temperature of the volume set for by temperature control operating panel 1, control stainless steel heating coil 4 and propeller type fan 5 through PLC control circuit promptly, stainless steel heating coil 4 stops heating, propeller type fan 5 reduces the rotational speed, when temperature sensor 6 detects that the temperature in anticorrosive cabin body 2 is less than the temperature that temperature control operating panel 1 set for, then through PLC control circuit, make stainless steel heating coil 4 heat up the heating again, propeller type fan 5 improves the rotational speed simultaneously, thereby guarantee that the temperature keeps temperature control operating panel 1 in the anticorrosive cabin body 2 always to set for the temperature, make reagent fully dry.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (8)
1. The utility model provides an electrical heating blast air oven for experiments with anticorrosive airtight function, includes the interior nested cabin body and outer box, characterized by, the cabin body fills asbestos thermal insulation material with the outer box middle, the preceding cabin door that articulates of cabin body, confined stainless steel heating coil is installed to the bottom in the cabin body, propeller type fan is installed at stainless steel heating coil center, the bottom is provided with a plurality of ventilation holes corresponding with propeller type fan in the cabin body, all be provided with one deck anticorrosive material layer on internal wall of cabin, cabin door inner wall, stainless steel heating coil and the propeller type fan.
2. The experimental electric heating forced air oven with the anticorrosion sealing function as claimed in claim 1, wherein the door is of an internal pressure type structure, the door protruding from the door is tightly combined with the cabin body when the door is closed, and the joint is sealed by a silica gel heat-insulating gasket.
3. The experimental electric heating forced air oven with the anticorrosion sealing function as claimed in claim 1, wherein a temperature control operation panel is installed on the right lower side of the front face of the outer box at the lower part of the cabin.
4. The experimental electric heating forced air oven with anticorrosive airtight function of claim 1, characterized in that the outer box of one side of the cabin body is provided with a hinged support and hinged with a cabin door.
5. The experimental electric heating forced air oven with anticorrosive airtight function of claim 1, characterized in that, the stainless steel heating coil is assembled into three independent ring-shaped structures by two wave-shaped heating pipes, and two ends of the two heating pipes are respectively fixed at the bottom of the cabin.
6. The experimental electric heating forced air oven with anticorrosion and airtight functions as claimed in claim 1, wherein the propeller fan is located at the center of the three coils, the fan blades are lower than the horizontal height of the heating coil, the distance between the fan blades and the heating coil is less than 2cm, and the two ends of the fan are respectively fixed at the bottom of the cabin.
7. The experimental electric heating forced air oven with anticorrosive airtight function of claim 3, characterized in that, the control by temperature change operation panel uses PLC control circuit.
8. The experimental electric heating forced air oven with the anticorrosion sealing function as claimed in claim 1, wherein a horizontally placed Pt100 temperature sensor is arranged on the rear wall of the middle upper part in the cabin body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020439388.6U CN211739699U (en) | 2020-03-31 | 2020-03-31 | Experimental electric heating blast oven with anti-corrosion sealing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020439388.6U CN211739699U (en) | 2020-03-31 | 2020-03-31 | Experimental electric heating blast oven with anti-corrosion sealing function |
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| Publication Number | Publication Date |
|---|---|
| CN211739699U true CN211739699U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020439388.6U Expired - Fee Related CN211739699U (en) | 2020-03-31 | 2020-03-31 | Experimental electric heating blast oven with anti-corrosion sealing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211739699U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112578162A (en) * | 2020-11-20 | 2021-03-30 | 旺矽科技(苏州)有限公司 | Efficient preheating device for probe card |
| CN115930555A (en) * | 2022-10-17 | 2023-04-07 | 青海黄河上游水电开发有限责任公司新能源分公司 | Drying device and drying method for polycrystalline silicon |
-
2020
- 2020-03-31 CN CN202020439388.6U patent/CN211739699U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112578162A (en) * | 2020-11-20 | 2021-03-30 | 旺矽科技(苏州)有限公司 | Efficient preheating device for probe card |
| CN115930555A (en) * | 2022-10-17 | 2023-04-07 | 青海黄河上游水电开发有限责任公司新能源分公司 | Drying device and drying method for polycrystalline silicon |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201023 |
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| CF01 | Termination of patent right due to non-payment of annual fee |