CN202679688U - Electromagnetic heating device for pipeline - Google Patents
Electromagnetic heating device for pipeline Download PDFInfo
- Publication number
- CN202679688U CN202679688U CN 201220297369 CN201220297369U CN202679688U CN 202679688 U CN202679688 U CN 202679688U CN 201220297369 CN201220297369 CN 201220297369 CN 201220297369 U CN201220297369 U CN 201220297369U CN 202679688 U CN202679688 U CN 202679688U
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- heating tube
- electromagnetic
- heater
- control
- controller
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Abstract
The utility model relates to an electromagnetic heating device for a pipeline. The device is characterized in that a main heating tube and a center heating tube which are made of magnetic materials are included; and a plurality of sets of heating coils are wound at the periphery of the main heating tube at intervals, each set of heating coils is respectively connected with an electromagnetic controller used for providing high-frequency current, two ends of the center heating tube are sealed and fixedly arranged in the main heating tube, a central axis of the center heating tube coincides with that of the main heating tube, and a layer of metal flow-obstructing wires is wound at the periphery of the center heating tube. Materials to be heated flow into a space between the main heating tube and the center heating tube, the sets of heater coils are energized, the main heating tube and the center heating tube heat up simultaneously, and the materials to be heated flow between the main heating tube and the center heating tube and are heated thoroughly, and the temperature rises quickly. The electromagnetic heating device for a pipeline can rapidly heat up the flowing materials based on the principle of electromagnetic heating and by combination with a reasonable piping, and is simple in structure, convenient to manufacture, install and replace, and applicable to the heating of liquid and solid-liquid mixtures.
Description
Technical field
The utility model relates to a kind of heater, particularly about a kind of pipe electromagnetic heater.
Background technology
Commercial Application is less in that domestic. applications is more for Electromagnetic Heating at present, and it mainly is used in plastics with on the equipment such as inflation film manufacturing machine, wire drawing machine, injection molding machine, comminutor, rubber extruder, vulcanizer and cable production extruder, and uses less in pipeline heating.It is reported that the pipeline heating technology is mainly used in the heating to oil and water, and owing to there is not central tube, heating surface (area) (HS greatly reduces, heating power is little; Form easily laminar flow, so heating effect is poor.
Summary of the invention
For the problems referred to above, it is high that the purpose of this utility model provides a kind of efficiency of heating surface, simple in structure, and be convenient to make, install and change, and the pipe electromagnetic heater that can avoid coking phenomenon to occur.
For achieving the above object, the utility model is taked following technical scheme: a kind of pipe electromagnetic heater is characterized in that: it comprises main heating tube and the central heating tube that adopts magnetic material to make; The outer weekly interval of described main heating tube is wound with some groups of heater coils, and each is organized described heater coil and connects respectively an electromagnetic controller that high-frequency current is provided; The closed at both ends of described central heating tube is fixedly installed in the described main heating tube, and the axis of described central heating tube overlaps with the axis of described main heating tube, and described central heating tube periphery is wound with one deck magnetic conductive metal flow-disturbing line.
Described main heating tube periphery is provided with the heat-insulation layer that one deck alumina silicate fibre material is made, and some groups of described heater coils twine and are arranged on described heat-insulation layer periphery.
Each described electromagnetic controller is arranged in the electromagnetism power distribution cabinet, and each described electromagnetic controller all has supporting control instrument, start button, stop button, manual/auto knob; Be under manual control/automatic control state by manual/auto knob conversion electromagnetic controller, when being transformed into automatic control, by the startup of control instrument control respective electrical magnetic controller with stop, when being transformed into manual control, utilizing the startup of start button, stop button control respective electrical magnetic controller and stop.
Described flow-disturbing line adopts the wherein a kind of of reinforcing bar, 8# iron wire.
The closed at both ends of described central heating tube, and pointed, be fixedly installed in the described main heating tube by support.
At every group of described heater coil place a temperature sensor is set all, described temperature sensor connects the supporting described control instrument of corresponding described electromagnetic controller.
The utility model is owing to take above technical scheme, it has the following advantages: 1, the utility model is provided with main heating tube, be provided with central heating tube in the main heating tube, adopt main heating tube and central heating tube simultaneously to the heating that heats up of the fluid between main heating tube and the central heating tube, greatly increased heating surface (area) (HS, strengthen heating power, also improved the efficient of heating simultaneously.2 the utility model can be by regulating the interval between main heating tube and the central heating tube, be applicable to the heating of the solid-liquid mixture except liquid, and outside main heating tube, can twine as required one group, two or more groups electromagnetic induction coil, each is organized electromagnetic induction coil and controls by the electromagnetism power distribution cabinet, therefore, temperature control is convenient and reliable, is convenient to realize the step temperature heating, can fine solution coking problem.3, the utility model can heat in pipe conveying procedure, has reduced special-purpose firing equipment, has reduced cost.4, the utility model flows between main heating tube and central heating tube by material, and main heating tube and central heating tube add thermal material simultaneously, have greatly improved firing rate, by the control flow, wash away tube wall, and adopt gradient-heated at pipeline, reduced widely coking phenomenon.5, the utility model pipeline heating equipment cost is lower, just realizes heating in the process of mass transport, and changes easily, therefore, has solved the heating difficult problem of segment fluid flow.The utility model utilizes the principle of Electromagnetic Heating, in conjunction with rational piping installation, can carry out Fast Heating by the flow material, and device structure is simple, be convenient to make, install and change, can be used for heating moisture content through overtesting is the solidliquid mixtures such as 90% municipal sludge, starch milk, also can be used for heating conduction oil, water or other fluid, applied widely.
Description of drawings
Fig. 1 is the utility model electromagnetic heater structural representation
Fig. 2 is the utility model heating system schematic diagram
Embodiment
Below in conjunction with drawings and Examples the utility model is described in detail.
The utility model is based on following principle: thus the pipe electromagnetic heating is to utilize electromagnetic induction principle to convert electric energy to the heating technique of heat energy water back fluid, pipeline must be magnetic material, twine electromagnetic induction coil at pipeline, add the high-frequency current that upper frequency is 16～40KHz to coil, the electric current that high frequency changes flows through coil and can produce the high frequency changing magnetic field, when the magnetic line of force in the magnetic field passes through the magnetic conductive metal material, can in metal material, produce eddy current, make voluntarily at a high speed heating of metal material itself, thereby liquid or solid-liquid fluid-mixing in the pipeline are flow through in namely pipeline self-heating heating.
As shown in Figure 1, the utility model electromagnetic heater comprises main heating tube 1 and the central heating tube 2 that adopts magnetic material to make.Main heating tube 1 periphery is provided with the heat-insulation layer 3 that one deck alumina silicate fibre material is made, and heat-insulation layer 3 outer weekly intervals are wound with some groups of heater coils 4, and each is organized heater coil 4 and connects respectively an electromagnetic controller 5(that high-frequency current is provided as shown in Figure 2).The closed at both ends of central heating tube 2 is fixedly installed in the main heating tube 1 by support 6, and the axis of central heating tube 2 overlaps with the axis of main heating tube 1, and central heating tube 2 peripheries are wound with one deck magnetic conductive metal flow-disturbing line 7.
As shown in Figure 2, each electromagnetic controller 5 is arranged in the electromagnetism power distribution cabinet 8, an electromagnetic controller 5 provides high frequency electric source for one group of heater coil 4, each electromagnetic controller 5 all has supporting control instrument, start button, stop button, manual/auto knob, by manually control of manual/auto knob conversion/automatically control, when being transformed into automatic control, by the startup of control instrument control electromagnetic controller 3 with stop, when being transformed into manual control, just utilize the start-stop of start button, stop button control electromagnetic controller 5; At every group of heater coil 4 places a temperature sensor (not shown) is set all, be used for the collection tube wall temperature, and this temperature is uploaded to corresponding control instrument, when reaching the design temperature of control instrument, control instrument stops these corresponding electromagnetic controller 5 work, control instrument starts these corresponding electromagnetic controller 5 work when being lower than design temperature, the temperature of main heating tube 1 outer wall can be controlled at like this temperature of setting.
In above-described embodiment, for guaranteeing the heating effect of two pipes, central heating tube 1 will be made pointed cecum, and namely the two ends of central heating tube 1 are all sealed, and pointed, are convenient to material stream passed, do not stop up.
In above-described embodiment, under the prerequisite of guaranteeing mass flow and circulation, the distance between main heating tube and 1 central heating tube 2 is as far as possible little; For guaranteeing the magnetic field intensity at central heating tube 2 places, the outer surface of central heating tube 2 must not be greater than 4cm to the distance of heater coil 4.
In above-described embodiment, the laminar flow phenomenon occurs in order to prevent the fluid between main heating tube 1 and the central heating tube 2, twined flow-disturbing line 7 at central heating tube 2, flow-disturbing line 7 adopts reinforcing bar or 8# iron wire, do curl, its objective is the increase turbulent flow, guarantee heating effect.
The electromagnetic heating method of the utility model electromagnetic heater may further comprise the steps:
1) material flow to be heated is become owner of between heating tube 1 and the central heating tube 2, each organizes heater coil 4 energisings, because main heating tube 1 and central heating tube 2 are magnetic material, and distance so main heating tube 1 and central heating tube 2 heat up simultaneously, is heated material and flows between central heating tube 2 and main heating tube 1 within induction range, the material abdomen back of the body is heated, material heats up rapidly like this, and efficient is high, generally more than 96%.Flow-disturbing line by twining on the central heating tube 2 can prevent that the laminar flow phenomenon from appearring in the fluid between main heating tube 1 and the central heating tube 2, increases turbulent flow, guarantees heating effect.
2) set the control desired temperature of respectively organizing heater coil by the supporting control instrument of each electromagnetic controller 5 and increase gradually, guarantee that pipeline has temperature gradient; Temperature sensor by the heater coil place arranges is uploaded to corresponding control instrument with the tube wall temperature that collects, and when reaching the design temperature of control instrument, control instrument stops corresponding electromagnetic controller work; When being lower than design temperature, control instrument continues the corresponding electromagnetic controller work of control, the temperature of main heating tube outer wall is controlled at the temperature of setting.
In above-described embodiment, the utility model is wound with two groups of heater coils 4 in heat-insulation layer 3 peripheries of main heating tube 1, form gradient-heated, illustrated in figures 1 and 2 for twining the concrete schematic diagram of two groups of electric heating coils, i.e. 1# heater coil and 2# heater coil, the control temperature of setting the 1# heater coil by control instrument is low, the control temperature of 2# heater coil is high, if the 3# heater coil is arranged, the 4# heater coil, the desired temperature of control instrument increases gradually, guarantees that pipeline has temperature gradient.
In the test, in the good situation of main heating tube 1 insulation, record the temperature of central heating tube 2 a little less than main heating tube 1 temperature, such as when recording main heating tube 1 outside wall temperature and be 400 ℃, central heating tube 2 temperature are about 390 ℃, so main heating tube 1 outer wall and central heating tube 2 temperature are almost equal, therefore, the control temperature only need to be controlled the outside wall temperature of main heating tube 1, the sensor for measuring temperature of pt100 is installed at the outer wall of main heating tube 1, temperature is uploaded to control instrument, control the start and stop of electromagnetic controller 5 by the PID regulatory function of control instrument, the temperature that the temperature of the outer wall of main heating tube 1 is controlled at setting gets final product, control instrument shows its Current Temperatures and design temperature, and watt level can be regulated on electromagnetic controller 5.
The various embodiments described above only are used for explanation the utility model; wherein the structure of each parts, connected mode etc. all can change to some extent; every equivalents and improvement of carrying out on the basis of technical solutions of the utility model all should do not got rid of outside protection range of the present utility model.
Claims (10)
1. pipe electromagnetic heater is characterized in that: it comprises main heating tube and the central heating tube that adopts magnetic material to make; The outer weekly interval of described main heating tube is wound with some groups of heater coils, and each is organized described heater coil and connects respectively an electromagnetic controller that high-frequency current is provided; The closed at both ends of described central heating tube is fixedly installed in the described main heating tube, and the axis of described central heating tube overlaps with the axis of described main heating tube, and described central heating tube periphery is wound with one deck magnetic conductive metal flow-disturbing line.
2. a kind of pipe electromagnetic heater as claimed in claim 1, it is characterized in that: described main heating tube periphery is provided with the heat-insulation layer that one deck alumina silicate fibre material is made, and some groups of described heater coils twine and are arranged on described heat-insulation layer periphery.
3. a kind of pipe electromagnetic heater as claimed in claim 1, it is characterized in that: each described electromagnetic controller is arranged in the electromagnetism power distribution cabinet, and each described electromagnetic controller all has supporting control instrument, start button, stop button, manual/auto knob; Be under manual control/automatic control state by manual/auto knob conversion electromagnetic controller, when being transformed into automatic control, by the startup of control instrument control respective electrical magnetic controller with stop, when being transformed into manual control, utilizing the startup of start button, stop button control respective electrical magnetic controller and stop.
4. a kind of pipe electromagnetic heater as claimed in claim 2, it is characterized in that: each described electromagnetic controller is arranged in the electromagnetism power distribution cabinet, and each described electromagnetic controller all has supporting control instrument, start button, stop button, manual/auto knob; Be under manual control/automatic control state by manual/auto knob conversion electromagnetic controller, when being transformed into automatic control, by the startup of control instrument control respective electrical magnetic controller with stop, when being transformed into manual control, utilizing the startup of start button, stop button control respective electrical magnetic controller and stop.
5. as claimed in claim 1 or 2 or 3 or 4 a kind of pipe electromagnetic heater, it is characterized in that: described flow-disturbing line adopts the wherein a kind of of reinforcing bar, 8# iron wire.
6. as claimed in claim 1 or 2 or 3 or 4 a kind of pipe electromagnetic heater is characterized in that: the closed at both ends of described central heating tube, and pointed, be fixedly installed in the described main heating tube by support.
7. a kind of pipe electromagnetic heater as claimed in claim 5 is characterized in that: the closed at both ends of described central heating tube, and pointed, be fixedly installed in the described main heating tube by support.
8. such as claim 1 or 2 or 3 or 4 or 7 described a kind of pipe electromagnetic heaters, it is characterized in that: at every group of described heater coil place a temperature sensor is set all, described temperature sensor connects the supporting described control instrument of corresponding described electromagnetic controller.
9. a kind of pipe electromagnetic heater as claimed in claim 5 is characterized in that: at every group of described heater coil place a temperature sensor is set all, the supporting described control instrument of the described electromagnetic controller that described temperature sensor connection is corresponding.
10. a kind of pipe electromagnetic heater as claimed in claim 6 is characterized in that: at every group of described heater coil place a temperature sensor is set all, the supporting described control instrument of the described electromagnetic controller that described temperature sensor connection is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220297369 CN202679688U (en) | 2012-06-20 | 2012-06-20 | Electromagnetic heating device for pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220297369 CN202679688U (en) | 2012-06-20 | 2012-06-20 | Electromagnetic heating device for pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202679688U true CN202679688U (en) | 2013-01-16 |
Family
ID=47500555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220297369 Expired - Lifetime CN202679688U (en) | 2012-06-20 | 2012-06-20 | Electromagnetic heating device for pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202679688U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102711300A (en) * | 2012-06-20 | 2012-10-03 | 北京绿创生态科技有限公司 | Pipe electromagnetism heating device and electromagnetism heating method |
| CN103363238A (en) * | 2013-05-10 | 2013-10-23 | 陈勇青 | Heating deblocking device for high-frequency vortex pipeline |
| CN106007294A (en) * | 2016-07-21 | 2016-10-12 | 北京绿创生态科技有限公司 | Combined type pipeline heating device for sludge |
-
2012
- 2012-06-20 CN CN 201220297369 patent/CN202679688U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102711300A (en) * | 2012-06-20 | 2012-10-03 | 北京绿创生态科技有限公司 | Pipe electromagnetism heating device and electromagnetism heating method |
| CN103363238A (en) * | 2013-05-10 | 2013-10-23 | 陈勇青 | Heating deblocking device for high-frequency vortex pipeline |
| CN106007294A (en) * | 2016-07-21 | 2016-10-12 | 北京绿创生态科技有限公司 | Combined type pipeline heating device for sludge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |