CN203024581U - Electric heating sand bath furnace - Google Patents
Electric heating sand bath furnace Download PDFInfo
- Publication number
- CN203024581U CN203024581U CN 201220741983 CN201220741983U CN203024581U CN 203024581 U CN203024581 U CN 203024581U CN 201220741983 CN201220741983 CN 201220741983 CN 201220741983 U CN201220741983 U CN 201220741983U CN 203024581 U CN203024581 U CN 203024581U
- Authority
- CN
- China
- Prior art keywords
- heating clamber
- heating chamber
- epimere
- section heating
- heating
- 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
- 239000004576 sand Substances 0.000 title abstract description 6
- 238000005485 electric heating Methods 0.000 title abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 81
- 238000009826 distribution Methods 0.000 claims abstract description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 8
- 239000010935 stainless steel Substances 0.000 claims abstract description 8
- 239000011449 brick Substances 0.000 claims abstract description 6
- 239000012774 insulation material Substances 0.000 claims abstract description 6
- 150000001875 compounds Chemical class 0.000 claims description 15
- 210000004907 gland Anatomy 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000007790 solid phase Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 abstract 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
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Abstract
The utility model discloses an electric heating sand bath furnace comprising a heating furnace body, a temperature control system and an external air pump, wherein the heating furnace body is structurally and sequentially provided with a stainless steel shell, a heat-insulation material, a resistance wire, a high-temperature-resisting brick and a liner from outside to inside; the liner comprises a lower-section heating chamber and an upper-section heating chamber; a double-layered composite air distribution plate is arranged between the lower-section heating chamber and the upper-section heating chamber; the lower end of the lower-section heating chamber is provided with an air feeding pipe; the upper end of the upper-section heating chamber is provided with an air discharging pipe; the air feeding pipe is connected with the external air pump; the top of the upper-section heating chamber is provided with an inlet, and the inlet is provided with a pressing cover; the lower-section heating chamber and the upper-section heating chamber are respectively provided with thermocouples; and the thermocouples and the resistance wire are respectively and electrically connected with the temperature control system. Air is pre-heated by the lower-section heating chamber to enter the upper-section heating chamber through the double-layered composite air distribution plate so as to drive a heat-conductive medium so that the heat-conductive medium is in a fluidized state; heat supply is uniform and stable; and the electric heating sand bath furnace is simple in structure, is convenient to operate and is safe and practical.
Description
Technical field
The utility model relates to a kind of Equipment for Heating Processing, relates in particular to a kind of electrical heating sand-bath stove.
Background technology
In industries such as petrochemical industry, Coal Chemical Industry and synthesising fibres, electric furnace is a kind of application stove more widely.Owing to relating to the complex reactions such as cracking, polymerization in this type of production process, this just needs strict control reaction process more.Temperature is the stable reaction key factor of carrying out normally, therefore requires high to heater.Electric heating conduction oil furnace is widely used in the polymerisation of lower temperature, and thermal stability is good, heat transfer property is good because it has, low-steam pressure and nonpoisonous and tasteless, to equipment without many advantages such as corrosion.But because its heat supply temperature is no more than 350 ℃, can not satisfy some than the demand of elevated operating temperature industry.
Summary of the invention
The purpose of this utility model be to provide a kind of simple in structure, operating temperature is higher, stable thermal field can be provided, electrical heating sand-bath stove easy and simple to handle.
The purpose of this utility model is achieved through the following technical solutions:
Electrical heating sand-bath stove of the present utility model comprises heating furnace body, temperature control system and peripheral hardware air pump;
Described heating furnace body ecto-entad structure is followed successively by stainless steel casing, insulation material, resistance wire, high temperature resistant brick, inner bag;
Described inner bag comprises hypomere heating clamber and epimere heating clamber, be provided with the two-layer compound air distribution plate between described hypomere heating clamber and epimere heating clamber, the lower end of described hypomere heating clamber is provided with blast pipe, the upper end of described epimere heating clamber is provided with discharge pipe, described blast pipe is connected with described peripheral hardware air pump, the top of described epimere heating clamber is provided with entrance, and described entrance is with gland;
Described hypomere heating clamber and epimere heating clamber are respectively equipped with thermocouple, and described thermocouple and resistance wire are electrically connected to described temperature control system respectively.
Can be found out by the technical scheme that above-mentioned the utility model provides, in the electrical heating sand-bath stove that the utility model embodiment provides, blast pipe is the passage of air, air drives heat-conducting medium after entering the epimere heating clamber by the preheating of hypomere heating clamber through the two-layer compound air distribution plate, make it form fluidized state, heat supply is uniform and stable, and simple in structure, easy to operate, safe and practical.
Description of drawings
The structural representation of the electrical heating sand-bath stove that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the structural representation of inner bag in the utility model embodiment;
Fig. 3 is the structural representation of gland in the utility model embodiment.
In figure: 1, stainless steel casing, 2, insulation material, 3, high temperature resistant brick, 4, inner bag, 5, thermocouple, 6, blast pipe, 7, the hypomere heating clamber, 8, the two-layer compound air distribution plate, 9, the epimere heating clamber, 10, discharge pipe, 11, drop handle, 12, gland.
The specific embodiment
The below will be described in further detail the utility model embodiment.
Electrical heating sand-bath stove of the present utility model, its better specific embodiment is:
Comprise heating furnace body, temperature control system and peripheral hardware air pump;
Described heating furnace body ecto-entad structure is followed successively by stainless steel casing, insulation material, resistance wire, high temperature resistant brick, inner bag;
Described inner bag comprises hypomere heating clamber and epimere heating clamber, be provided with the two-layer compound air distribution plate between described hypomere heating clamber and epimere heating clamber, the lower end of described hypomere heating clamber is provided with blast pipe, the upper end of described epimere heating clamber is provided with discharge pipe, described blast pipe is connected with described peripheral hardware air pump, the top of described epimere heating clamber is provided with entrance, and described entrance is with gland;
Described hypomere heating clamber and epimere heating clamber are respectively equipped with thermocouple, and described thermocouple and resistance wire are electrically connected to described temperature control system respectively.
Described epimere heating clamber top is provided with three entrances, and each entrance is respectively with gland, and described gland is provided with drop handle.
The upper strata of described two-layer compound air distribution plate is the metallic plate of thickness 4mm, and a plurality of equilateral triangles that are equivalent to diameter 2mm circular hole area holes of arranging is opened in full up weldering between the surrounding of metallic plate and described inner bag on metallic plate, and the gross area in the hole of arranging accounts for 3% of metallic plate area;
The lower floor of described two-layer compound air distribution plate is sintered metal mesh.
The material of described inner bag is Stainless steel 316.
Solid phase acinous heat transfer medium is housed in described epimere heating clamber.
Described solid phase acinous heat transfer medium is 30 ~ 60 order fine sands.
The effect of above-mentioned utility model critical piece is described as follows:
Blast pipe is the passage of air, and air drives heat-conducting medium after entering the epimere heating clamber by the preheating of hypomere heating clamber through the two-layer compound air distribution plate, makes it form fluidized state.The two-layer compound air distribution plate plays the effect of supporting solid phase heat-conducting medium in the epimere heating clamber, simultaneously hot-air is evenly distributed, and keeps the stability of fluidized-bed layer.
Select fine sand as heat-conducting medium, can satisfy the needs of actual heat transfer fully, and cheap and easy to get; If any specific (special) requirements, also can change at any time heat-conducting medium.
Above-mentioned utility model has well made up the defective of general heating furnace, and a higher operating temperature range (mainly between 300 ~ 600 ° of C) is provided, and heat supply is more uniform and stable, and simple in structure, and is easy to operate, safe and practical.
Specific embodiment:
As Fig. 1, Fig. 2, shown in Figure 3, comprise stainless steel casing 1, insulation material 2, high temperature resistant brick 3, inner bag 4, thermocouple 5 etc., inner bag 4 is provided with blast pipe 6, hypomere heating clamber 7, two-layer compound air distribution plate 8, epimere heating clamber 9, discharge pipe 10 etc., inner bag 4 is suitable for reading is provided with 3 holes, the aperture is provided with gland 12, and gland 12 is provided with drop handle 11.
Blast pipe one end is connected with the peripheral hardware air pump, and the other end is connected with the hypomere heating clamber, and the two-layer compound air distribution plate is positioned in the middle of the two sections heating clamber, and the air outlet pipe is connected with epimere heating clamber top.
Two-layer compound air distribution plate upper strata is thickness 4mm metallic plate, and weldering that surrounding is full up is without gas leakage, opens equilateral triangle Φ 2 holes of arranging on plate, and hole area accounts for 3% of plate area; Lower floor is the metal sintering plate.
Upper and lower two sections electrical heating chambers respectively have a thermocouple of linking temperature control system to measure the inner bag furnace wall temperature.
The operation principle of specific embodiment is:
When opening electric furnace work, open air pump, set temperature makes it rise to the demand temperature, and reactor or other material to be heated are placed in inner bag sand, and gland is covered.At first air by blast pipe, enters the hypomere heating clamber, and the hypomere heating clamber loads heat to air by thermal-radiating mode; After this, heat-carrying air evenly by the two-layer compound air distribution plate, enters the epimere heating clamber, after the fine sand boiling, is fluidized state under the wind-force effect, for reactor provides uniform and stable heat.
The above; it is only the better specific embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement are within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (6)
1. an electrical heating sand-bath stove, is characterized in that, comprises heating furnace body, temperature control system and peripheral hardware air pump;
Described heating furnace body ecto-entad structure is followed successively by stainless steel casing, insulation material, resistance wire, high temperature resistant brick, inner bag;
Described inner bag comprises hypomere heating clamber and epimere heating clamber, be provided with the two-layer compound air distribution plate between described hypomere heating clamber and epimere heating clamber, the lower end of described hypomere heating clamber is provided with blast pipe, the upper end of described epimere heating clamber is provided with discharge pipe, described blast pipe is connected with described peripheral hardware air pump, the top of described epimere heating clamber is provided with entrance, and described entrance is with gland;
Described hypomere heating clamber and epimere heating clamber are respectively equipped with thermocouple, and described thermocouple and resistance wire are electrically connected to described temperature control system respectively.
2. electrical heating sand-bath stove according to claim 1, is characterized in that, described epimere heating clamber top is provided with three entrances, and each entrance is respectively with gland, and described gland is provided with drop handle.
3. electrical heating sand-bath stove according to claim 1, it is characterized in that, the upper strata of described two-layer compound air distribution plate is the metallic plate of thickness 4mm, full up weldering between the surrounding of metallic plate and described inner bag, open a plurality of equilateral triangles that are equivalent to diameter 2mm circular hole area holes of arranging on metallic plate, the gross area in the hole of arranging accounts for 3% of metallic plate area;
The lower floor of described two-layer compound air distribution plate is sintered metal mesh.
4. electrical heating sand-bath stove according to claim 1, is characterized in that, the material of described inner bag is Stainless steel 316.
5. the described electrical heating sand-bath of according to claim 1 to 4 any one stove, is characterized in that, solid phase acinous heat transfer medium is housed in described epimere heating clamber.
6. electrical heating sand-bath stove according to claim 5, is characterized in that, described solid phase acinous heat transfer medium is 30 ~ 60 order fine sands.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220741983 CN203024581U (en) | 2012-12-28 | 2012-12-28 | Electric heating sand bath furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220741983 CN203024581U (en) | 2012-12-28 | 2012-12-28 | Electric heating sand bath furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203024581U true CN203024581U (en) | 2013-06-26 |
Family
ID=48648560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220741983 Expired - Fee Related CN203024581U (en) | 2012-12-28 | 2012-12-28 | Electric heating sand bath furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203024581U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109431155A (en) * | 2018-11-21 | 2019-03-08 | 甘肃泰旺炉具制造有限公司 | A kind of energy-saving warm bed |
| CN110539441A (en) * | 2019-11-04 | 2019-12-06 | 黄凤林 | foaming silica gel product production facility |
-
2012
- 2012-12-28 CN CN 201220741983 patent/CN203024581U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109431155A (en) * | 2018-11-21 | 2019-03-08 | 甘肃泰旺炉具制造有限公司 | A kind of energy-saving warm bed |
| CN110539441A (en) * | 2019-11-04 | 2019-12-06 | 黄凤林 | foaming silica gel product production facility |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20151228 |
|
| EXPY | Termination of patent right or utility model |