CN201248150Y - Electric heating device - Google Patents
Electric heating device Download PDFInfo
- Publication number
- CN201248150Y CN201248150Y CNU2008201644326U CN200820164432U CN201248150Y CN 201248150 Y CN201248150 Y CN 201248150Y CN U2008201644326 U CNU2008201644326 U CN U2008201644326U CN 200820164432 U CN200820164432 U CN 200820164432U CN 201248150 Y CN201248150 Y CN 201248150Y
- Authority
- CN
- China
- Prior art keywords
- heating wire
- electric heating
- heat
- resistant insulating
- electric calorifie
- 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
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Abstract
The utility model relates to an electric heating device comprising an electric heating wire and an electric heating wire strut member, wherein the electric heating wire (2) is of a helix tube structure; the electric heating wire strut member comprises a heat-resistant insulating rod (1) which is thinner than a hole in the helix tube of the electric heating wire, and heat-resistant insulating plates (3) on which over two electric heating wire holes are arranged, wherein the heat-resistant insulating rod is penetrated in the hole of the helix tube of the electric heating wire, and the heat-resistant insulating rod sleeved with the electric heating wire passes through the electric heating wire holes of over two heat-resistant insulating plates. In the electric heating device, the heat-resistant insulating rod which supports the electric heating wire so that the electric heating wire does not fall down is penetrated in the helix tube of the electric heating wire, the electric heating wire directly contacts with the air which is needed to be heated, therefore, the heat consumption is lowered, and the thermal efficiency is improved. Meanwhile, the electric heating device has the advantages of compact structure and little wind resistance compared with a structure which winds the electric heating wire of the helix tube outside a heat-resistant insulating material, and also has the advantages of little population and small occupied area compared with a device which heats the air by using fuel.
Description
Technical field the utility model relates to a kind of electric calorifie installation, in particular for producing the electric calorifie installation in the hot blast, belongs to the electroheat technology field.
Background technology adds and need use hot-air man-hour carrying out drying usually, and producing hot-air has many methods, but except direct-fired, all uses air heat exchanger.The thermal medium that air heat exchanger acted on is multi-purpose steam, flue gas, hot water or deep fat etc. then, heat medium then will use fuel.Be subjected to the production field of production-scale restriction, as in dried small shrimp production usually usefulness be to make drying medium after the coal combustion flue gas heated air.Dried small shrimp cooks the back drying with the meal shrimp and makes, and drying makes the shrimp drying tunnel of having a meal.The heat supply of these drying tunnels at present mainly be by coal combustion get flue gas again heated air provide, its heating plant mainly comprises burner hearth and heat exchange comb, promptly by the burning of coal at burner hearth, with hot flue gases emptying behind comb, comb is the heating calancria outer air then, this hot-air is sent into scorching moving air to drying tunnel continuously under the driving of air blast, reach the purpose of dry meal shrimp.Because the burning of coal meeting produces a large amount of flue dust, also there is coal dust to let it flow in the production workshop, therefore the coal stove heating plant exists certain production, the pollution problem of environment, especially along with using the increasing of this type of drying tunnel scale, pollution problem highlights gradually, has had a strong impact on resident's living environment.
In addition, the device that also has a kind of heated air is an electric calorifie installation, and its heater element is a heating wire, commonly heating wire is through in the heat proof material, as be through in the quartz ampoule with the heating peripheral air, heat proof material is that the strutting piece of heating wire is fallen under the deliquescing behind the electrothermal wire heating preventing.Electric calorifie installation also is equivalent to a heat exchanger in application.But the heating wire of this electric calorifie installation is placed in the heat proof material, will select material preferably for improving the heat efficiency, and this just causes cost to improve.
Summary of the invention is at above-mentioned deficiency, and the utility model provides a kind of do not have the coal smoke dust pollution, electric calorifie installation that can reduce the drying tunnel energy consumption, that cost is low.
Electric calorifie installation of the present utility model, comprise heating wire and heating wire strutting piece, said heating wire is a spiral tube structure, said heating wire strutting piece comprises the high temperature insulation rod that is narrower than heating wire screwed pipe mesopore, the heat-resistant insulating board that the heating wire hole more than 2 is arranged on it, wherein the high temperature insulation rod is through in the heating wire screwed pipe endoporus, and the high temperature insulation rod that is with heating wire passes the heating wire hole on the heat-resistant insulating board more than 2.
Electric calorifie installation of the present utility model, because the high temperature insulation rod that the support heating wire is not fallen down is through in the heating wire screwed pipe, heating wire directly contacts with the air that needs heating, the heat exhaustion of reduction has improved the heat efficiency.Simultaneously, electric calorifie installation of the present utility model with a kind of with the screwed pipe heating wire be entangled in the outer structure of heat proof material than compact conformation is arranged, the advantage little to wind resistance, and with the advantage that device is more pollution-free than having, floor space is little of the heated air of use fuel.
Described electric calorifie installation also is equipped with fixed lever and sleeve pipe, have installing hole, fixed lever to pass installing hole on the heat-resistant insulating board on the heat-resistant insulating board after two ends fastening with nut, casing pipe sleeve is on the fixed lever between per two heat-resistant insulating boards.
Described high temperature insulation rod is a glass tube, and quartz glass tube especially is to reduce cost and to reduce the waste of heat.
Described electric calorifie installation also is equipped with the reflection hurricane globe, it is watt shape part that arc-shaped curved surface is arranged that constitutes with thin plate, the parallel axes of its axis and fixed lever, this hurricane globe is met to the direction of the wind comes from when using, and reduces the heat effect of heating wire too greatly in order to prevent the suffered cold blast rate of heating wire.
Description of drawings Fig. 1 is the transverse sectional view of the utility model one embodiment, among the figure: the 1-glass tube, the 2-heating wire, the 3-heat-resistant insulating board, the 4-sleeve pipe, the 5-mounting rod, 6-reflects hurricane globe;
Fig. 2 is the enlarged drawing in I zone among Fig. 1, among the figure: 1-glass tube, 2-heating wire, 3-heat-resistant insulating board;
Fig. 3 axially cuts open figure for Fig. 1, among the figure: the 1-glass tube, the 2-heating wire, the 3-heat-resistant insulating board, the 4-sleeve pipe, the 5-mounting rod, 6-reflects hurricane globe.
2, constitute the electric calorifie installation battle array by 18 as above routine electric calorifie installations on the top of the shelf through mounting rod two ends screw thread is installed, and insert in the power supply according to the Y connection by 3 groups each 6.Each electric calorifie installation rated power is 5 kilowatts, 90 kilowatts of total specified power.
3, constitute the electric calorifie installation battle array by as above 18 electric calorifie installations of example on the top of the shelf through mounting rod two ends screw thread is installed, be divided into two-way on circuit, each electric calorifie installation rated power is 10 kilowatts, 90 kilowatts of every group of total specified power, and one group of another group when using is standby.
4, the heat-resistant insulating board of electric calorifie installation is a rectangle, and its installing hole has 10 row, 6 row heating wire holes at 4 jiaos on it.
Claims (5)
1, a kind of electric calorifie installation, comprise heating wire and heating wire strutting piece, said heating wire is a spiral tube structure, it is characterized in that said heating wire strutting piece comprises the high temperature insulation rod that is narrower than heating wire screwed pipe mesopore, the heat-resistant insulating board that the heating wire hole more than 2 is arranged on it, wherein the high temperature insulation rod is through in the heating wire screwed pipe endoporus, and the high temperature insulation rod that is with heating wire passes the heating wire hole on the heat-resistant insulating board more than 2.
2, electric calorifie installation according to claim 1, it is characterized in that also comprising fixed lever and sleeve pipe, installing hole is arranged on the heat-resistant insulating board, and two ends were fastening with nut after fixed lever passed installing hole on the heat-resistant insulating board, and casing pipe sleeve is on the fixed lever between per two heat-resistant insulating boards.
3, electric calorifie installation according to claim 1 is characterized in that described high temperature insulation rod is a glass tube.
4, as electric calorifie installation as described in the claim 3, it is characterized in that described high temperature insulation rod is a quartz glass tube.
5, electric calorifie installation according to claim 1 is characterized in that also comprising the reflection hurricane globe, and said reflection hurricane globe is watt shape part that arc-shaped curved surface is arranged that constitutes with thin plate, the parallel axes of its axis and fixed lever, and this hurricane globe is met to the direction of the wind comes from when application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201644326U CN201248150Y (en) | 2008-09-03 | 2008-09-03 | Electric heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201644326U CN201248150Y (en) | 2008-09-03 | 2008-09-03 | Electric heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201248150Y true CN201248150Y (en) | 2009-05-27 |
Family
ID=40731976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201644326U Expired - Fee Related CN201248150Y (en) | 2008-09-03 | 2008-09-03 | Electric heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201248150Y (en) |
-
2008
- 2008-09-03 CN CNU2008201644326U patent/CN201248150Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090527 |