CN208029118U - A kind of overlength electrothermal tube of soil remediation original position thermal desorption - Google Patents
A kind of overlength electrothermal tube of soil remediation original position thermal desorption Download PDFInfo
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- CN208029118U CN208029118U CN201820148966.3U CN201820148966U CN208029118U CN 208029118 U CN208029118 U CN 208029118U CN 201820148966 U CN201820148966 U CN 201820148966U CN 208029118 U CN208029118 U CN 208029118U
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- electrothermal tube
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- original position
- thermal desorption
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Abstract
The utility model discloses a kind of overlength electrothermal tubes of soil remediation original position thermal desorption, it is characterised in that：Include heating wire in the electrothermal tube, the arrangement of heating wire is combined into overlength heating core using more piece heating core in the electrothermal tube, between heating wire is series relationship in single-unit heating core, it is parallel relationship often to save heating core and other section heating cores.The overlength electrothermal tube of soil remediation original position described in the utility model thermal desorption prevents the elongation of heating wire to touch wall from structure and causes short circuit and fail, improves its anti-oxidant and corrosion resisting property at high operating temperatures.
Description
Technical field
The utility model is related to the electric-heating technology field of soil remediation original position thermal desorption, more particularly to a kind of soil remediation
The overlength electrothermal tube of thermal desorption in situ.
Background technology
Due to the aggravation of industrial pollution and the extensive use of agrochemical substances, the organic contamination of soil and groundwater is increasingly
Seriously.Thermal desorption technology in situ is by direct or indirect heat exchange by the volatile organic compounds in soil and groundwater
(VOC) enough temperature are heated to and are extracted from soil with semi-volatile organic compounds (SVOC) pollutant, into useless
Gas processing system, to make contaminated soil be repaired.
Existing original position thermal desorption technology mode of heating mainly has two kinds of combustion gas and electrical heating.Electric heating used by electrical heating
Pipe is all applied on industrial furnace, and general length does not exceed 4 meters, and the electric heating length of tube that thermal desorption technology in situ requires is most
Length will reach 18-20 meters.Heating wire will produce creep elongation at high operating temperatures, the length of elongation and heating wire length at
Direct ratio.Electric heating can be led to by simply indiscriminately imitating the designing technique making thermal desorption overlength electrothermal tube in situ of original electrothermal tube used for industrial furnace
Silk creep elongation exceeds controlled range.It easy tos produce and blows, short circuit, touches phenomena such as wall, protection sleeve pipe ablation, cause failure can not
It uses.
Utility model content
The utility model aim is：Overcome the shortcomings of the prior art, solves problems of the prior art, provide
A kind of overlength electrothermal tube of soil remediation original position thermal desorption prevents the elongation of heating wire to touch wall from structure and causes short circuit and lose
Effect, improves its anti-oxidant and corrosion resisting property at high operating temperatures.
The technical solution of the utility model is：
A kind of overlength electrothermal tube of soil remediation original position thermal desorption, it is characterised in that：Include heating wire in the electrothermal tube,
The arrangement of heating wire is combined into overlength heating core using more piece heating core in the electrothermal tube, heating wire in single-unit heating core
Between be series relationship, it is parallel relationship often to save heating core and other section heating cores.
Preferably, metal is penetrated on the heating wire surface, coatings is coated with outside metal.
Preferably, the electrothermal tube further includes protection sleeve pipe, and thermal jet is coated with alloy inside and outside the protection sleeve pipe.
Preferably, the electrothermal tube further includes compound inslation support, and the compound inslation support includes in electrothermal tube
Ceramics bracket fills Bubble zirconia powder in the gap of the ceramics bracket.
Preferably, the electrothermal tube further includes the rain cover of outdoor wire connector, and the upper cover plate of rain cover is set using eaves is gone out
Meter, the lower mouth flange of rain cover and the weld of staving are located at below heating tube nozzle.
The advantages of the utility model：
The overlength electrothermal tube of soil remediation original position disclosed in the utility model thermal desorption, prevents heating wire from structure
Elongation touch wall cause short circuit and fail, improve its anti-oxidant and corrosion resisting property at high operating temperatures.
The upper cover plate of rain cover is using going out eaves design, even if rainwater when weld seam imprecision between upper cover plate and staving
It will not enter in heating tube pipe from there.The lower mouth flange of rain cover and the weld of staving are located at below heating tube nozzle, i.e.,
Make weld seam imprecision herein, rainwater that will not enter in heating tube pipe.
Description of the drawings
The utility model is further described with reference to the accompanying drawings and embodiments：
Fig. 1 is the schematic diagram of the overlength electrothermal tube of soil remediation original position described in the utility model thermal desorption.
Fig. 2 is the overlength electrothermal tube internal structure schematic diagram of soil remediation original position described in the utility model thermal desorption.
Wherein：1, heating core 2, rain cover
Specific implementation mode
Below in conjunction with the accompanying drawings and technical solutions of the utility model are described in detail in preferred embodiment.
As shown in Figure 1, the utility model discloses a kind of overlength electrothermal tube of soil remediation original position thermal desorption, the electrothermal tube
The arrangement of interior heating wire is combined into overlength heating core 1 using more piece heating core 1, is between heating wire in single-unit heating core 1
Series relationship, it is parallel relationship often to save heating core 1 with other section heating cores 1.The electrothermal tube includes heating wire, in the electric heating
Metal is penetrated into silk table face, and coatings are coated with outside metal.
Preferably, the electrothermal tube further includes protection sleeve pipe, and thermal jet is coated with alloy inside and outside the protection sleeve pipe.
Preferably, the electrothermal tube further includes compound inslation support, and the compound inslation support includes in electrothermal tube
Ceramics bracket fills Bubble zirconia powder in the gap of the ceramics bracket.
Preferably, the electrothermal tube further includes the rain cover 2 of outdoor wire connector, and the upper cover plate of rain cover 2 uses eaves
Design, even if when weld seam imprecision between upper cover plate and staving, rainwater will not enter in heating tube pipe from there.Rain cover
2 lower mouth flange and the weld of staving are located at below heating tube nozzle, even if weld seam imprecision herein, rainwater will not enter
Into heating tube pipe.
A kind of overlength electrothermal tube processing method of soil remediation original position thermal desorption comprising following steps：(1) in heating wire
Metal is penetrated on surface, and then spray insulation coating re-sinters solidification；(2) to carrying out alloy thermal spraying inside and outside protection sleeve pipe；(3) exist
Bubble zirconia powder is filled in the gap of the ceramics bracket constitutes compound inslation support；(4) outdoor wire connector is set
Rain cover 2.
Preferably, in step (1), the process modification of combined processing is carried out to the surface of heating wire, heating wire is immersed
In the metal processing pond of high temperature melting, held for some time makes metallic atom penetrate into inside heating wire surface layer, forms it into certain
The composition metal infiltration layer of thickness improves its anti-oxidant and corrosion resisting property at high operating temperatures；It is a kind of in heating wire surface spraying
The coatings of the mixing such as inorganic resin and frit obtain the coating with good insulation ability after high temperature sintering.
Preferably, the arrangement of heating wire is combined into overlength heating core 1, single-unit using more piece heating core 1 in electrothermal tube
Between heating wire it is series relationship in heating core 1, it is parallel relationship often to save heating core 1 with other section heating cores 1.Prevent from structure
The tactile wall of elongation for having stopped heating wire causes short circuit and fails.
It is preferred embodiment below：1, the process modification of combined processing is carried out to the surface of heating wire.By heating wire
It immerses in the metal processing pond of high temperature melting, held for some time, so that metallic atom is penetrated into inside heating wire surface layer, form it into
Certain thickness composition metal infiltration layer improves its anti-oxidant and corrosion resisting property at high operating temperatures.
2, in the coatings of the mixing such as a kind of inorganic resin of heating wire surface spraying and frit, after high temperature sintering,
Obtain the coating with good insulation ability.
3, the anti-corrosion metal infiltration layer of resistance to high temperature oxidation and high insulation organic resin composite coating, while improving heating wire
Oxidation energy and insulation performance.
4, the compound inslation of ceramics bracket and Bubble zirconia powder supports in electrothermal tube.In the gap of ceramics bracket
Bubble zirconia powder is filled, improves heat dissipation and the insulation effect of heating wire, the high temperature heat-resistant pinking of this composite construction,
Stability and intensity preferably meet the performance requirement of overlength electrothermal tube.
5, new design is used to rain cover and protection overcoat, prevents weld seam solder skip desoldering to water-resistant performance from structure
Influence.
6, the arrangement of heating wire is combined into overlength heating core 1, single-unit heating core using more piece heating core 1 in electrothermal tube
It is series relationship between heating wire in 1, it is parallel relationship often to save heating core 1 with other section heating cores 1.Electricity is prevented from structure
The elongation of heated filament touches wall and causes short circuit and fail.
Still there are many embodiment, all technologies formed using equivalents or equivalent transformation for the utility model
Scheme is all fallen within the scope of protection of the utility model.
Claims (5)
1. a kind of overlength electrothermal tube of soil remediation original position thermal desorption, it is characterised in that：Include heating wire, institute in the electrothermal tube
State the arrangement of heating wire in electrothermal tube and overlength heating core be combined into using more piece heating core, in single-unit heating core heating wire it
Between be series relationship, it is parallel relationship often to save heating core and other section heating cores.
2. the overlength electrothermal tube of soil remediation original position according to claim 1 thermal desorption, it is characterised in that：In the electric heating
Metal is penetrated into silk table face, and coatings are coated with outside metal.
3. the overlength electrothermal tube of soil remediation original position according to claim 1 thermal desorption, it is characterised in that：The electrothermal tube
Further include protection sleeve pipe, thermal jet is coated with alloy inside and outside the protection sleeve pipe.
4. the overlength electrothermal tube of soil remediation original position according to claim 1 thermal desorption, it is characterised in that：The electrothermal tube
Further include compound inslation support, the compound inslation support includes the ceramics bracket in electrothermal tube, in the ceramics bracket
Bubble zirconia powder is filled in gap.
5. the overlength electrothermal tube of soil remediation original position according to claim 1 thermal desorption, it is characterised in that：The electrothermal tube
Further include the rain cover of outdoor wire connector, the upper cover plate of rain cover is designed using eaves is gone out, the lower mouth flange and staving of rain cover
Weld be located at below heating tube nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820148966.3U CN208029118U (en) | 2018-01-29 | 2018-01-29 | A kind of overlength electrothermal tube of soil remediation original position thermal desorption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820148966.3U CN208029118U (en) | 2018-01-29 | 2018-01-29 | A kind of overlength electrothermal tube of soil remediation original position thermal desorption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208029118U true CN208029118U (en) | 2018-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820148966.3U Active CN208029118U (en) | 2018-01-29 | 2018-01-29 | A kind of overlength electrothermal tube of soil remediation original position thermal desorption |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108235471A (en) * | 2018-01-29 | 2018-06-29 | 刘晓荣 | The overlength electrothermal tube and its processing method of a kind of soil remediation original position thermal desorption |
| CN109382399A (en) * | 2018-12-19 | 2019-02-26 | 长沙凯天工研院环保服务有限公司 | Auxiliary heating system for extraction tube in the reparation of soil in-situ thermal desorption |
-
2018
- 2018-01-29 CN CN201820148966.3U patent/CN208029118U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108235471A (en) * | 2018-01-29 | 2018-06-29 | 刘晓荣 | The overlength electrothermal tube and its processing method of a kind of soil remediation original position thermal desorption |
| CN109382399A (en) * | 2018-12-19 | 2019-02-26 | 长沙凯天工研院环保服务有限公司 | Auxiliary heating system for extraction tube in the reparation of soil in-situ thermal desorption |
| CN109382399B (en) * | 2018-12-19 | 2021-02-26 | 长沙工研院环保有限公司 | Auxiliary heating system for extraction pipe in soil in-situ thermal desorption repair |
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