CN203757830U - Variable-frequency electromagnetic heater - Google Patents
Variable-frequency electromagnetic heater Download PDFInfo
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- CN203757830U CN203757830U CN201420163967.7U CN201420163967U CN203757830U CN 203757830 U CN203757830 U CN 203757830U CN 201420163967 U CN201420163967 U CN 201420163967U CN 203757830 U CN203757830 U CN 203757830U
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- steel pipe
- electromagnetic heater
- heating tank
- heating
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Abstract
The utility model relates to a variable-frequency electromagnetic heater. The variable-frequency electromagnetic heater comprises a heating tank (1), an electrical control box (2) and a frequency converter (3); the heating tank (1) comprises a steel pipe (4), and bends (5) connected with two ends of the steel pipe (4); the outside of the heating tank (1) is wound with a coil that is connected with the electrical control box (2) through the frequency converter (3); an assistant heating pipe section (6) is also arranged in the steel pipe (4) and is connected with the upper end of the steel pipe (4). With the adoption of the variable-frequency electromagnetic heater, heat loss can be greatly avoided, and the heating effect can be ensured. The variable-frequency electromagnetic heater is small in size, convenient to mount, low in cost, safe, environment friendly, and free of pollution.
Description
Technical field
The utility model belongs to heating plant field, relates to a kind of varible-frequency electromagnetic heater.
Background technology
The progress of science and technology leads society to move towards intelligent, energy-saving, and nowadays increasing new science and technology innovative product has changed our world gradually, gives life and produces and bring new variation.In modern industrial production, the consumption of electric energy is a kind of of all energy resource consumption maximums in producing, thus to reduce as much as possible power consumption, allow limited electric energy for we create more value.Electromagnetic induction technology is a kind of high-quality long-life novel energy-conserving heating technique in the world, it is intensification, insulation, heating the most a kind of mode of economize on electricity the soonest and of liquid state in flow and gaseous medium, loss is extremely low, do not produce any physical contamination, one of environmental type heating process, be our known energy field the most efficiently, the most energy-conservation, safest a kind of technology.Electromagnetic induction heater is take electric power as the energy and convert it into as heat energy, outwards output has the equipment of steam, high-temperature water or the organic carrier (conduction oil) of certain heat energy, its operation principle is when heat medium passes through the heating chamber of electromagnetic induction heater under pressure, adopt thermodynamic fluid principle to take away equably the huge heat producing in heating work, make the temperature of heated medium reach the requirement of user's technique.But the existing electromagnetic heater efficiency of heating surface is not high, and can not realize automatic control, need to make further improvements it.
Summary of the invention
The purpose of this utility model is to provide a kind of varible-frequency electromagnetic heater, solves the not high problem of the existing electromagnetic heater efficiency of heating surface.
The utility model is achieved through the following technical solutions: varible-frequency electromagnetic heater, comprise heating tank, electric control box and frequency converter, heating tank comprises the elbow that steel pipe and steel pipe two ends connect, and heating tank outer felt is wound with coil, and electric control box is connected with coil by frequency converter; In described steel pipe, also have one section of auxiliary heating pipe, auxiliary heating pipe is connected with steel pipe upper end.
Described auxiliary heating length of tube is greater than 1/2 of heating tank length, but is less than 2/3 of heating tank length.
The port of export of described steel pipe is also equipped with pressure inverting switch.
The port of export of described steel pipe is also equipped with temperature change and send switch.
Described steel pipe and the junction of elbow are also provided with magnetic flux monitoring point.
Adopt the good effect of technique scheme: the utility model can be avoided thermal losses greatly, has guaranteed heating effect; Temperature control mechanism while thering is automatic control, automatic start-stop device reaches the object of saving electric energy, saves HYDROELECTRIC ENERGY; This device volume is little, easy for installation, and cost cost is low, and safety and environmental protection is pollution-free.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the heating tank schematic diagram in the utility model;
Fig. 3 is the former heating tank schematic diagram before improvement technology;
Fig. 4 is electrical schematic diagram of the present utility model.
In figure, 1 heating tank, 2 electric control boxes, 3 frequency converters, 4 steel pipes, 5 elbows, 6 auxiliary heating pipes, 7 pressure inverting switches, 8 temperature become send switch, 9 magnetic flux monitoring points.
The specific embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described further, but should not be construed as restriction of the present utility model:
Fig. 1 is structural representation of the present utility model, Fig. 2 is the heating tank schematic diagram in the utility model, as shown in Figure 1 and Figure 2, varible-frequency electromagnetic heater, comprise heating tank 1, electric control box 2 and frequency converter 3, heating tank 1 comprises the elbow 5 that steel pipe 4 and steel pipe 4 two ends connect, and heating tank 1 outer felt is wound with coil, electric control box 2 is connected with coil by frequency converter 3, by magnetic field, the fluid in steel pipe is heated.In described steel pipe 4, also have one section of auxiliary heating pipe 6, auxiliary heating pipe 6 is connected with steel pipe 4 upper ends, under the magnetic fields changing at a high speed, auxiliary heating pipe is generated heat at a high speed, with this, reach the secondary temperature elevation of the liquid in the heating tank of flowing through, guarantee that heating is more abundant, energy utilization rate is high.
If the length of auxiliary heating pipe is too short, the effect of secondary temperature elevation is bad, and the length of auxiliary heating pipe is long, can hinder the fluid motion in heating tank, therefore, further, described auxiliary heating pipe 6 length are greater than 1/2 of heating tank 1 length, but are less than 2/3 of heating tank 1 length.
In addition, for the pressure in supervising device, realize automatic start-stop function, the port of export of described steel pipe 4 is also equipped with pressure inverting switch 7.
And the port of export of described steel pipe 4 is also equipped with temperature change and send switch 8, monitor temperature changes, and realizes the autoregulation of temperature controller.
For the ease of monitoring magnetic flux, described steel pipe 4 and the junction of elbow 5 are also provided with magnetic flux monitoring point 9, by gaussmeter, detect magnetic flux.
In the utility model, the steel pipe of heating tank adopts the seamless steel pipe of nominal diameter 114*8mm, length 800mm, the iron plate of length of side 150*8mm is respectively welded at two ends, the circular hole of a ∮ 24mm is opened in iron plate center, auxiliary heating pipe is the iron pipe of one section of nominal diameter 48*8mm, length 500mm, is connected with the iron plate center hole of the heating tank port of export.Steel pipe two ends respectively connect a nominal diameter 48*8mm, the elbow of 90 °, elbow connects respectively nominal diameter 48*8mm again, the seamless steel pipe of length 500mm, the hole of opening a ∮ 22 apart from 20mm place outside elbow at the heating tank port of export, the screw buckle of a ∮ 22 of hole external welding is connected with YL130 series multifunctional pressure inverting switch, at the heating tank port of export, apart from inner side of elbow 20mm place, burying Gauss's probe is connected with HT20 gaussmeter, at heating tank nominal diameter 114*8mm, the thick thermal insulating cotton of seamless steel pipe outer parcel one deck 30mm of length 800mm is fastened with glass wool cloth, its outside is used 10mm2 high temperature resistant magnet wire spiral to be closely wound around, high temperature resistant magnet wire length is between 28000mm ~ 31000mm, upper lead-in wire is reserved 1500mm, lower lead-in wire is reserved 1000mm, two the end of a thread press respectively 16mm2, the copper cash folder of ∮ 8, then at the heating tank port of export, the screw buckle apart from a ∮ 14 of position, high temperature resistant magnet wire circle horizontal 200mm place welding becomes and send switch to be connected with temperature.
The model that in the utility model, electric control box adopts grand celebration Rui Hong electronic technology Services Co., Ltd to produce is the electric control box of BXM (D) 53; comprising that 1 of 100A breaker, 1 of 3P leakage switch, 1 of 2P leakage switch, relay and relay socket each 1,1 of blower fan, 2 of temperature controllers, 1 of A.C. contactor, 1 of normally closed KSD-9700 thermal protector, 1 of time controller, temperature become send 1, switch, 1 of red led, 1 of green indicating lamp, and equipment electrical control has two kinds of control modes to be respectively: temperature controller is controlled with time controller and controlled.The frequency converter that the model that frequency converter adopts Jiaxing Rui Kong Electronic Science and Technology Co., Ltd. to produce is RC1000-B-10R0-T2.Fig. 4 is electrical schematic diagram of the present utility model, as shown in the figure, the connection of electric control box and frequency converter is as follows: 1 pin connect hours of 2P leakage switch controller input 1 pin, 2 pin connect hours of 2P leakage switch controller input 2 pin, time controller output 3 pin connect temperature controller 15 pin, time controller output 4 pin connect temperature controller 16 pin, temperature controller 10 pin connect temperature controller 13 pin and 15 pin, temperature controller 9 pin connect relay socket 8 pin, temperature controller 12 pin connect relay socket 12 pin and 14 pin, temperature controller 12 pin also connect green indicating lamp (run indicator) 1 pin, temperature controller 16 pin connect green indicating lamp (run indicator) 2 pin, temperature controller 16 pin also connect relay socket 13 pin, relay socket 9 pin connect frequency converter holding wire 7 pin, relay socket 5 pin connect frequency converter holding wire 6 pin, relay socket 13 pin connecting fan power line 1 pin, relay socket 14 pin connecting fan power line 2 pin, 2P leakage switch 3 pin connect red led (power supply indicator) 1 pin, 2P leakage switch 4 pin connect red led (power supply indicator) 2 pin, converter power supply 1 pin connects 3P leakage switch 1 pin, converter power supply 2 pin connect 3P leakage switch 2 pin, converter power supply 3 pin connect 3P leakage switch 3 pin, inverter output terminal 4 pin connect heating tanks 1 pin that goes between, inverter output terminal 5 pin connect heating tanks 2 pin that go between, temperature becomes send switch leads 1 pin to connect temperature controller 1 pin, temperature becomes send switch leads 2 pin to connect temperature controller 2 pin, breaker 1 pin connects A.C. contactor 1 pin, breaker 2 pin connect A.C. contactor 2 pin, breaker 3 pin connect A.C. contactor 3 pin, normally closed KSD-9700 thermal protector 1 pin connects A.C. contactor 1 pin, ac contactor coil 8 pin connect 380V zero-power line N, A.C. contactor 4 pin connect 3P leakage switch 4 pin, A.C. contactor 5 pin connect 3P leakage switch 5 pin, A.C. contactor 6 pin connect 3P leakage switch 6 pin, A.C. contactor 4 pin also connect 2P leakage switch 3 pin, 2P leakage switch 4 pin connect 380V zero-power line N, breaker 4 pin connect 380V power firestreak L1, breaker 5 pin connect 380V power firestreak L2, breaker 6 pin connect 380V power firestreak L3, YL130 series multifunctional pressure inverting Switching Power Supply 1 pin connects 2P leakage switch 1 pin, YL130 series multifunctional pressure inverting Switching Power Supply 2 pin connect 2P leakage switch 2 pin, YL130 series multifunctional pressure inverting switching signal 1 pin connects normally closed KSD-9700 thermal protector 2 pin, YL130 series multifunctional pressure inverting switching signal 2 pin connect ac contactor coil 7 pin, HT20 gaussmeter connects heating tank Gauss probe, relay is placed on relay socket.
In the utility model use procedure, equipment access main power source, power requirement is 380V three-phase four-wire system, breaker closes, red led (power supply indicator) is bright, 3P leakage switch closes, 2P leakage switch closes, at this moment, green light on time controller (time controller that the model that Zheng Tai group produces is KG316T) panel, then the position of manually " opening " is transferred to time controller working method by the device description of controlling by time variable, now the working method of varible-frequency electromagnetic heater is exactly that temperature controller is controlled, then regulate temperature controller (temperature controller that this equipment is used is that the model that Yuyao City industrial instrument two factories in Zhejiang produce is XMTA 1201 type temperature controllers), thermostat probe is connected in the pre-buried screw buckle of heating tank, on having on temperature controller panel, lower limit knob and measurement switch.What measurement switch pushed at this moment thermometer demonstration of left side is lower limit temperature, and user can regulate lower limit knob determine lower limit temperature according to the requirement of oneself; What measure switch thermometer shows when centre position is the actual temperature of measuring; What measurement switch pushed at this moment thermometer demonstration of right side is ceiling temperature, and user can regulate upper limit knob determine ceiling temperature according to the requirement of oneself.At this moment temperature controller adjusting work completes, and the running of equipment has just been controlled by temperature controller, and when actual temperature is lower than lower limit temperature, heater work, blower fan work, green indicating lamp (run indicator) are bright; When actual temperature is higher than ceiling temperature, heater quits work, blower fan quits work, green indicating lamp (run indicator) goes out, so repeatedly.
When varible-frequency electromagnetic heater working method, will elect time controller as controls, its method of operating is: according to KG316T time controller operation instructions, regulate time controller displaying time and our needed working time section and mode of operation, then on time controller panel, select " automatically " working method.And regulate temperature controller Temperature Setting, in case stop loss harmful equipment, temperature controller instrument ceiling temperature is set in 80 ℃, lower limit temperature is set in 60 ℃ (temperature controller upper and lower limit control method is as identical in the control method of temperature controller in above-mentioned temperature controller control mode), and at this moment the working method of varible-frequency electromagnetic heater is exactly that time controller is controlled.For preventing equipment dry combustion method and high pressure, normally closed KSD-9700 thermal protector element is embedded in the outer field thermal insulating cotton of heating tank, temperature becomes that to send monitoring switch to work as device temperature too high, normally closed KSD-9700 thermal protective element disconnects, ac contactor coil disconnects, device power supply (DPS) disconnects, and red led (power supply indicator) goes out; YL130 series multifunctional pressure inverting monitoring switch is when upper pressure limit value that pressure is set higher than us, signal in YL130 series multifunctional pressure inverting switch disconnects, ac contactor coil disconnects, and device power supply (DPS) disconnects, and red led (power supply indicator) goes out.For preventing that equipment heating tank electromagnetic wire from damaging; special one of the HT20 gaussmeter of installing; HT20 gaussmeter connects heating tank Gauss probe; by magnetic flux monitoring point, we can make regular check on the variation of magnetic flux; as constant in magnetic flux, can arrestment, repair apparatus; find the problem, with this, reach defencive function.
This device is that a kind of electromagnetic induction that utilizes becomes electric energy conversion in the device of heat energy, by circuit, 50/60HZ alternating current is directly changed into the high frequency electric that frequency is 16-24KHZ, the electric current changing at a high speed flows through high temperature resistant magnet wire circle can produce the magnetic field changing at a high speed, the magnetic line of force in magnetic field is known from experience the countless little eddy current of generation by magnetic conductive metal makes the atomic disorder strong collision in metallic object, heating at a high speed voluntarily, the thermal efficiency is up to 95%, under equal conditions, than resistance-type heating economize on electricity 30-80%, and use the fluid media (medium) temperature in hot equipment to improve, hot-fluid rises, by intrasystem cryogenic media and high-temperature medium, circulated.Fig. 2 is the heating tank schematic diagram in the utility model; Fig. 3 is the former heating tank schematic diagram before improvement technology; by contrast, can find out; the utility model has increased auxiliary heating pipe, pressure inverting switch, temperature and has become and send switch, when strengthening heating effect, can also realize automatic monitoring and start and stop protection mechanism, and this device is verified through practical application; guaranteed good heating effect; easy to operate, save the energy, than electrical heating power saving 30% ~ 80%.
Claims (5)
1. a varible-frequency electromagnetic heater, comprise heating tank (1), electric control box (2) and frequency converter (3), heating tank (1) comprises the elbow (5) that steel pipe (4) and steel pipe (4) two ends connect, heating tank (1) outer felt is wound with coil, electric control box (2) is connected with coil by frequency converter (3), it is characterized in that: in described steel pipe (4), also have one section of auxiliary heating pipe (6), auxiliary heating pipe (6) is connected with steel pipe (4) upper end.
2. varible-frequency electromagnetic heater according to claim 1, is characterized in that: described auxiliary heating pipe (6) length is greater than 1/2 of heating tank (1) length, but is less than 2/3 of heating tank (1) length.
3. varible-frequency electromagnetic heater according to claim 1, is characterized in that: the port of export of described steel pipe (4) is also equipped with pressure inverting switch (7).
4. varible-frequency electromagnetic heater according to claim 1, is characterized in that: the port of export of described steel pipe (4) is also equipped with temperature change and send switch (8).
5. varible-frequency electromagnetic heater according to claim 1, is characterized in that: the junction of described steel pipe (4) and elbow (5) is also provided with magnetic flux monitoring point (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420163967.7U CN203757830U (en) | 2014-04-08 | 2014-04-08 | Variable-frequency electromagnetic heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420163967.7U CN203757830U (en) | 2014-04-08 | 2014-04-08 | Variable-frequency electromagnetic heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203757830U true CN203757830U (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420163967.7U Expired - Fee Related CN203757830U (en) | 2014-04-08 | 2014-04-08 | Variable-frequency electromagnetic heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203757830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895247A (en) * | 2018-06-13 | 2018-11-27 | 四川石油天然气建设工程有限责任公司 | Long-distance pipe Crater antiseptic application station and weld bond shrink belt operational method |
-
2014
- 2014-04-08 CN CN201420163967.7U patent/CN203757830U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895247A (en) * | 2018-06-13 | 2018-11-27 | 四川石油天然气建设工程有限责任公司 | Long-distance pipe Crater antiseptic application station and weld bond shrink belt operational method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170809 Address after: 163000 Eagle apartment, hi tech Zone, Heilongjiang, Daqing province 1-1-613 Patentee after: Heilongjiang Province Rui Environmental Protection Technology Development Co., Ltd. Address before: Heilongjiang Province, Daqing City Ranghulu District 163712 two Hong Qing Xi Tai Lu Xi Hong Xiao 8 building property Patentee before: Grand celebration Rui Hong electronic technology Services Co., Ltd |
|
| 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: 20140806 Termination date: 20200408 |