CN207162965U - Inflammable and explosive gaseous state, liquid medium indirectly heat electric heater - Google Patents
Inflammable and explosive gaseous state, liquid medium indirectly heat electric heater Download PDFInfo
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- CN207162965U CN207162965U CN201721213086.1U CN201721213086U CN207162965U CN 207162965 U CN207162965 U CN 207162965U CN 201721213086 U CN201721213086 U CN 201721213086U CN 207162965 U CN207162965 U CN 207162965U
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- protecting pipe
- electric heater
- inflammable
- heating tube
- ring set
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Abstract
It the utility model is related to electric-heating technology field, it is a kind of inflammable and explosive gaseous state, liquid medium indirectly heat electric heater, it includes the second protecting pipe and hollow and both ends open the first protecting pipe, second protecting pipe is sleeved on the inside of the first protecting pipe, the axial length of second protecting pipe is identical with the first protecting pipe, annular space intracavitary between the first protecting pipe and the second protecting pipe is provided with heat conduction ring set, and at least one electric heating tube run through up and down is distributed with heat conduction ring set.The utility model reasonable and compact in structure, pass through electric heating tube plus conduction material, conduction material delivers heat to inflammable and explosive corrosivity high-pressure gaseous or liquid medium, the indirectly heat of medium is realized, the security of heating medium is improved, avoids the generation of security incident, electric heating tube is between the second protecting pipe and the first protecting pipe simultaneously, electric heating tube is not in contact with medium, avoid dielectric corrosion erosion electric heating tube, add the service life of electric heating tube.
Description
Technical field
The utility model is related to electric-heating technology field, be a kind of inflammable and explosive gaseous state, liquid medium indirectly heat electricity plus
Hot device.
Background technology
Electric heater is that the conventional one kind in field such as oil and gas exploitation, the defeated, accumulating of collection, petrochemical industry, coal chemical industry add
Thermal, there are the following problems for the electric heater used at present：
（1）Electric heating tube or type electromagnetic induction electric heater directly heat inflammable and explosive gaseous state, liquid medium, are permitted
More burnings or explosion accident.
（2）Cast aluminium electric heater uses coil pipe casting integratedization structure, the inflammable and explosive gaseous state of indirectly heat, liquid medium peace
Good perfection, but it is unheavy, and cost is high, and manufacturing process difficulty is big, and equipment is just scrapped after dielectric disc blockage.
The content of the invention
The utility model provides a kind of inflammable and explosive gaseous state, liquid medium indirectly heat electric heater, overcomes above-mentioned
The deficiency of prior art, it can effectively solve to be unable to the inflammable and explosive gaseous state of indirectly heat existing for existing electric heater or liquid is situated between
Matter, electric heating tube are easily corroded erosion, potential safety hazard be present, and it is slow further to solve the heating of coiled electric heater, susceptible to plugging
Problem.
The technical solution of the utility model is realized by following measures：A kind of inflammable and explosive gaseous state, liquid medium
Indirectly heat electric heater, including the second protecting pipe and hollow and both ends open the first protecting pipe, the second sheath pipe sleeve
Mounted in the inside of the first protecting pipe, the axial length of the second protecting pipe is identical with the first protecting pipe, in the first protecting pipe and second
Annular space intracavitary between protecting pipe is provided with heat conduction ring set, and at least one electrical heating run through up and down is distributed with heat conduction ring set
Pipe.
Here is the further optimization and/or improvements to above-mentioned utility model technical scheme：
It is above-mentioned to may also include power supply, be installed with terminals in one end of the first protecting pipe, terminals respectively with power supply
Electrically connected with electric heating tube.
It is above-mentioned may also include terminal box, the data acquisition unit on the outside of terminal box and on electric heating tube from
Unit is examined, contact pin is provided with the outside of terminals, contact pin is electrically connected with electric heating tube, and it is single that control is installed with terminal box
Member and electric heater switching on/off circuit, slot corresponding with contact pin on terminals, data acquisition unit are provided with the bottom of terminal box
Electrically connected respectively with control unit with self-test unit, power supply electrically connects with control unit and electric heater switching on/off circuit respectively, control
Unit processed electrically connects with electric heater switching on/off circuit, and electric heater switching on/off circuit electrically connects with slot, terminal box by contact pin with
Slot is removably installed together with terminals.
Above-mentioned second protecting pipe can be solid protecting pipe.
It is above-mentioned to be uniformly distributed about one to 20 electric heating tube run through in heat conduction ring set interior edge circumference.
Above-mentioned heat conduction ring set can be magnesia heat conduction ring set or cast aluminium heat conduction ring set.
The utility model reasonable and compact in structure, easy to use, cost is low, and maintenance and repair is easy, the easy cleaning removal of impurity, leads to
Cross electric heating tube and add conduction material, conduction material delivers heat to inflammable and explosive corrosivity high-pressure gaseous or liquid medium, realizes medium
Indirectly heat, improve the security of heating medium, avoid the generation of security incident, while electric heating tube is positioned at the second shield
Between sleeve pipe and the first protecting pipe, electric heating tube is not in contact with medium, effectively prevent dielectric corrosion erosion electric heating tube,
Add the service life of electric heating tube；Fault of the present utility model can be found in time using terminal box and terminals, and
When close the utility model, avoid the generation of security incident, increase industrial stability.
Brief description of the drawings
Accompanying drawing 1 is the main view cross section structure diagram of the best embodiment of the utility model.
Accompanying drawing 2 be accompanying drawing 1 in A-A to cross section structure diagram.
Accompanying drawing 3 is the electrical block diagram of the best embodiment of the utility model.
Coding in accompanying drawing is respectively：1 is the first protecting pipe, and 2 be the second protecting pipe, and 3 be electric heating tube, and 4 be heat conduction ring
Set.
Embodiment
The utility model is not limited by following embodiments, can according to the technical solution of the utility model and actual conditions come
Determine specific embodiment.
In the utility model, for the ease of description, the description of the relative position relation of each part is according to specification
The Butut mode of accompanying drawing 1 is described, such as：The position relationship of forward and backward, upper and lower, left and right etc. is according to Figure of description 1
Butut direction determine.
The utility model is further described with reference to embodiment and accompanying drawing：
As shown in accompanying drawing 1,2, the inflammable and explosive gaseous state, liquid medium indirectly heat electric heater, including the second protecting pipe 2
With hollow and both ends open the first protecting pipe 1, second protecting pipe 2 is sleeved on the inside of the first protecting pipe 1, the second sheath
The axial length of pipe 2 is identical with the first protecting pipe 1, and the annular space intracavitary between the first protecting pipe 1 and the second protecting pipe 2 is provided with and led
Hot ring set 4, at least one electric heating tube 3 run through up and down is distributed with heat conduction ring set 4.
Here the first protecting pipe 1 and the second protecting pipe 2 use the corrosion-resistant anti scuffing erosion metal tube of good heat conductivity
Material is made, and can also be made of high pressure-bearing grade tubing, it is applied to high pressure conditions（P≥100Mpa）Heated medium
In operating mode；The number of electric heating tube 3 is determined by actual conditions；Heat conduction ring set 4 can be the casting of the metal or alloy such as iron, copper, aluminium
Form, cast aluminium can bear the high temperature up to 600 °C, so as to ensure heat-conducting effect；Here the first protecting pipe 1, the second protecting pipe 2 and lead
Hot ring set 4 integrally manufactured can form.Electric heating tube 3 can be circumferentially in heat conduction ring set 4.
In use, the utility model is in contact with the medium that need to be heated, it is powered to electric heating tube 3, adds electric heating tube 3
Heat is arranged on heat conduction ring set 4 between the second protecting pipe 2 and the first protecting pipe 1, and heat conduction ring set 4 heats the second protecting pipe 2 and the
One protecting pipe 1, the medium being in contact hence for the second protecting pipe 2 and the first protecting pipe 1 are heated.Therefore the utility model
Heat conduction ring set 4 is heated by electric heating tube 3, the second protecting pipe 2 of heating of heat conduction ring set 4 and the first protecting pipe 1 deliver heat to inflammable easy
Quick-fried corrosivity high-pressure gaseous or liquid medium, the indirectly heat of medium is realized, improve the security of heating medium, avoid peace
The generation of full accident, while electric heating tube 3 is between the second protecting pipe 2 and the first protecting pipe 1, make electric heating tube 3 not with Jie
Matter is in contact, and effectively prevent dielectric corrosion erosion electric heating tube 3, the service life of electric heating tube 3 is added, compared to tradition
Coiled cast aluminium electric heating tube 3, the utility model and medium contact area are big, and heating is fast, and does not easily cause inside device
Medium channel block, easy cleaning.
Above-mentioned inflammable and explosive gaseous state, liquid medium indirectly heat electric heater can be made further excellent according to being actually needed
Change or/and improve：
As shown in accompanying drawing 1,2,3, in addition to power supply, it is installed with terminals, terminals in one end of the first protecting pipe
Electrically connected respectively with power supply and electric heating tube 3.Here terminals are set to be easy to the utility model to power and use.
As shown in accompanying drawing 1,2,3, in addition to terminal box, the data acquisition unit on the outside of terminal box and installed in electricity plus
Self-test unit on heat pipe 3, contact pin is provided with the outside of terminals, contact pin electrically connects with electric heating tube 3, fixed in terminal box
Control unit and electric heater switching on/off circuit are installed, slot corresponding with contact pin on terminals is provided with the bottom of terminal box,
Data acquisition unit and self-test unit electrically connect with control unit respectively, and power supply is electric with control unit and electric heater start and stop respectively
Road electrically connects, and control unit electrically connects with electric heater switching on/off circuit, and electric heater switching on/off circuit electrically connects with slot, terminal box
Removably it is installed together by contact pin with slot with terminals.
Here terminal box can be removably installed together by contact pin with slot with terminals, pass through contact pin and slot
Contact and powered for electric heating tube 3, it is convenient flexibly use terminal box according to actual conditions, and the internal diameter of terminal box can be more than connecing
The diameter of line end, when terminal box is connected with terminals, terminals can be located at the inside of terminal box, ensure the stabilization of circuit；Installation
Self-test unit on electric heating tube 3 is existing known technology, can be temperature sensor, electric in setting time for gathering
The temperature of heater element in heater；Data acquisition unit is existing known technology, can be arranged on and insert pipe of the present utility model
In road or liquid tank, counted in real time for hazardous gas concentration in collection medium flow, medium liquid level, medium temperature and environment etc.
According to can gather pipeline or rate-of flow, medium liquid level, medium temperature and pipeline in liquid tank or liquid tank environment nearby
The various kinds of sensors of the real time datas such as middle hazardous gas concentration；Electric heater switching on/off circuit is existing known technology, for closing
With startup the utility model；Control unit is existing known technology, can be programmable controller, for receiving data acquisition list
Member and the real time data of self-test unit collection, and judge whether to close electric heater automatically, if judging to need to close this reality automatically
With new then by electric heater switching on/off circuit deenergization, the utility model is closed.So as to find the utility model in time
Fault, close the utility model in time, avoid the generation of security incident, increase industrial stability.
As shown in accompanying drawing 1,2, second protecting pipe 2 is solid protecting pipe.Here the second protecting pipe 2 is solid protecting pipe
When, the utility model can insert pressure vessel or storage tank, and indirectly heat is carried out to medium therein.
As shown in accompanying drawing 1,2, second protecting pipe 2 is hollow protecting pipe.Here the second protecting pipe 2 is hollow protecting pipe
When, the utility model can be inserted in pipeline, and medium is in the second protecting pipe 2,1 outer and pipeline enclosure ring of the first protecting pipe
Aerial flowing, so as to carry out indirectly heat to medium.
As shown in accompanying drawing 1,2, according to actual conditions, one to 20 is distributed with the interior edge even circumferential of heat conduction ring set 4
The individual electric heating tube 3 run through up and down.
As shown in accompanying drawing 1,2, the heat conduction ring set 4 is magnesia heat conduction ring set or cast aluminium heat conduction ring set.Here magnesia
Heat conduction ring set can be the heat conduction ring set 4 cast by magnesium oxide powder, magnesia heat conduction ring set high temperature resistant, can bear up to 800 °
More than C high temperature, the high medium of heating target temperature can be used for.Also cast aluminium heat conduction ring set, so more economical, cost can be used
It is lower.
Above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger adaptability and optimal implementation
Effect, can be according to the non-essential technical characteristic of increase and decrease be actually needed, to meet the needs of different situations.
Claims (10)
1. a kind of inflammable and explosive gaseous state, liquid medium indirectly heat electric heater, it is characterised in that including the second protecting pipe with
Empty and both ends open the first protecting pipe, second protecting pipe are sleeved on the inside of the first protecting pipe, the axle of the second protecting pipe
Identical with the first protecting pipe to length, the annular space intracavitary between the first protecting pipe and the second protecting pipe is provided with heat conduction ring set,
At least one electric heating tube run through up and down is distributed with heat conduction ring set.
2. inflammable and explosive gaseous state according to claim 1, liquid medium indirectly heat electric heater, it is characterised in that also wrap
Power supply is included, is installed with terminals in one end of the first protecting pipe, terminals electrically connect with power supply and electric heating tube respectively.
3. inflammable and explosive gaseous state according to claim 2, liquid medium indirectly heat electric heater, it is characterised in that also wrap
Terminal box, the data acquisition unit on the outside of terminal box and the self-test unit on electric heating tube are included, in terminals
Outside is provided with contact pin, and contact pin is electrically connected with electric heating tube, and control unit and electric heater start and stop are installed with terminal box
Circuit, is provided with slot corresponding with contact pin on terminals in the bottom of terminal box, data acquisition unit and self-test unit respectively with
Control unit electrically connects, and power supply electrically connects with control unit and electric heater switching on/off circuit respectively, control unit and electric heater
Switching on/off circuit electrically connects, and electric heater switching on/off circuit electrically connects with slot, and terminal box is by contact pin with slot removably with connecing
Line end is installed together.
4. inflammable and explosive gaseous state, liquid medium indirectly heat electric heater according to claim 1 or 2 or 3, its feature exist
In second protecting pipe be solid protecting pipe.
5. inflammable and explosive gaseous state, liquid medium indirectly heat electric heater according to claim 1 or 2 or 3, its feature exist
In second protecting pipe be hollow protecting pipe.
6. inflammable and explosive gaseous state, liquid medium indirectly heat electric heater according to claim 1 or 2 or 3, its feature exist
In about one to 20 electric heating tube run through is distributed with the heat conduction ring set interior edge even circumferential.
7. inflammable and explosive gaseous state according to claim 4, liquid medium indirectly heat electric heater, it is characterised in that in institute
State heat conduction ring set interior edge even circumferential and about one to 20 electric heating tube run through is distributed with.
8. inflammable and explosive gaseous state according to claim 5, liquid medium indirectly heat electric heater, it is characterised in that in institute
State heat conduction ring set interior edge even circumferential and about one to 20 electric heating tube run through is distributed with.
9. inflammable and explosive gaseous state, liquid medium indirectly heat electric heater according to claim 1 or 2 or 3 or 7 or 8, its
It is magnesia heat conduction ring set or cast aluminium heat conduction ring set to be characterised by the heat conduction ring set.
10. inflammable and explosive gaseous state according to claim 5, liquid medium indirectly heat electric heater, it is characterised in that institute
It is magnesia heat conduction ring set or cast aluminium heat conduction ring set to state heat conduction ring set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721213086.1U CN207162965U (en) | 2017-09-21 | 2017-09-21 | Inflammable and explosive gaseous state, liquid medium indirectly heat electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721213086.1U CN207162965U (en) | 2017-09-21 | 2017-09-21 | Inflammable and explosive gaseous state, liquid medium indirectly heat electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207162965U true CN207162965U (en) | 2018-03-30 |
Family
ID=61723314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721213086.1U Active CN207162965U (en) | 2017-09-21 | 2017-09-21 | Inflammable and explosive gaseous state, liquid medium indirectly heat electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207162965U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110798912A (en) * | 2019-11-01 | 2020-02-14 | 镇江东方电热有限公司 | Double-sided heat exchange cast aluminum type electric heater |
-
2017
- 2017-09-21 CN CN201721213086.1U patent/CN207162965U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110798912A (en) * | 2019-11-01 | 2020-02-14 | 镇江东方电热有限公司 | Double-sided heat exchange cast aluminum type electric heater |
| CN110798912B (en) * | 2019-11-01 | 2024-10-18 | 镇江东方电热有限公司 | Double-sided heat exchange cast aluminum type electric heater |
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| GR01 | Patent grant |