CN202041313U - Wear-resistant washing-resistant thermocouple special for ethylene cracking furnace - Google Patents
Wear-resistant washing-resistant thermocouple special for ethylene cracking furnace Download PDFInfo
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- CN202041313U CN202041313U CN2011201462033U CN201120146203U CN202041313U CN 202041313 U CN202041313 U CN 202041313U CN 2011201462033 U CN2011201462033 U CN 2011201462033U CN 201120146203 U CN201120146203 U CN 201120146203U CN 202041313 U CN202041313 U CN 202041313U
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Abstract
The utility model relates to a wear-resistant washing-resistant thermocouple special for an ethylene cracking furnace, which comprises a connecting box, a flange, a protective sleeve and a temperature measurement core body. The protective sleeve comprises an inner sleeve and an outer sleeve, wherein the inner sleeve is fixed at the bottom of the connecting box in coaxial mode, the temperature measurement core body is arranged in the inner sleeve, and the upper end of the temperature measurement core body is fixedly positioned on the connecting box. The flange is fixedly installed on the outer wall of the inner sleeve in coaxial mode, the outer sleeve is disposed outside the inner sleeve in coaxial mode, and the upper end of the outer sleeve is fixedly installed on the connecting box. The lower end of the protective sleeve is fixedly provided with a wear-resistant flow guide fin, the bottom end of the wear-resistant flow guide fin is an inclined plane, the inclined plane on the wear-resistant flow guide fin corresponding to the temperature measurement core body is provided with a temperature measurement protrusion portion, and the wear-resistant flow guide fin of one side of the temperature measurement protrusion portion is provided with an impact-resistant protrusion portion. The wear-resistant washing-resistant thermocouple special for the ethylene cracking furnace is simple in structure, scientific and reasonable in design, wear-resistant, washing-resistant, rapid in reaction speed and long in service life, thereby being safe and reliable.
Description
Technical field
The utility model belongs to area of thermocouples, the special-purpose wear-resisting antiscour thermopair of especially a kind of ethane cracking furnace.
Background technology
At present in the cracking of ethylene furnace apparatus of oil refining industry, it is measured occasion and has characteristics such as high temperature, wearing and tearing, fluid impact power are big.Common thermocouple structure comprises terminal box, flange, protective casing and thermometric core body; protective casing comprises inner sleeve and outer tube; the coaxial terminal box lower end that is packed in of inner sleeve; the thermometric core body is arranged in the inner sleeve and its upper end is packed on the terminal box; the coaxial inner sleeve outer wall that is packed in of flange; coaxial being arranged on outside the inner sleeve and on it of outer tube is packed on the flange; this kind structure can't be kept out big fluid impact; if and the selection of the material of protection tube is improper; can damage protective casing in moment, thus can't thermometric.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of ethane cracking furnace special-purpose wear-resisting antiscour thermopair, and this thermocouple structure is simple, design science is reasonable, wear-resistant, antiscour, reaction velocity are fast, long service life.
The utility model solves its technical matters and is achieved through the following technical solutions:
The special-purpose wear-resisting antiscour thermopair of a kind of ethane cracking furnace; comprise terminal box; flange; protective casing and thermometric core body; protective casing comprises inner sleeve and outer tube; the coaxial terminal box lower end that is packed in of inner sleeve; the thermometric core body is arranged in the inner sleeve and its upper end is packed on the terminal box; the coaxial inner sleeve outer wall that is packed in of flange; coaxial being arranged on outside the inner sleeve and on it of outer tube is packed on the flange; its protective casing lower end installs a wear-resisting water conservancy diversion wing; this wear-resisting water conservancy diversion wing bottom is an inclined-plane; with be shaped on the thermometric protuberance on the corresponding wear-resisting water conservancy diversion wing of the thermometric core body inclined-plane, on the wear-resisting water conservancy diversion wing inclined-plane of thermometric protuberance one side, be shaped on the shock resistance protuberance.
And, described inner sleeve connects terminal box by the conversion pressed joint, between inner sleeve and conversion pressed joint graphite grazing pad and pressure pad are installed, the conversion pressed joint upper end in the terminal box lower end is equipped with poly-polytetrafluoroethylsealed sealed pad, hard pressure pad and spacing stifled.
And, be filled with ceramic fiber paper between described inner sleeve and the outer tube.
And described thermometric protuberance cross section outline is a triangle.
And described shock resistance protuberance cross section outline is a triangle, and shock resistance protuberance bottom surface is made as the inclined-plane with radian.
Advantage of the present utility model and beneficial effect are:
1; the protective casing lower end of the special-purpose wear-resisting antiscour thermopair of this ethane cracking furnace installs a wear-resisting water conservancy diversion wing; this wear-resisting water conservancy diversion wing bottom is an inclined-plane; with be shaped on the thermometric protuberance on the corresponding wear-resisting water conservancy diversion wing of the thermometric core body inclined-plane; on the wear-resisting water conservancy diversion wing inclined-plane of thermometric protuberance one side, be shaped on the shock resistance protuberance; the shock resistance protuberance can effectively reduce the impulsive force of high-velocity fluid in this kind structure; especially shock resistance protuberance cross section outline adopts triangle; shock resistance protuberance bottom surface is made as the inclined-plane with radian; the thermometric protuberance can quicken the measurement reaction of fluid medium; improve reaction velocity; hysteresis quality is good; temperature is floated little, and especially thermometric protuberance cross section outline adopts triangle.
2, the inner sleeve of the special-purpose wear-resisting antiscour thermopair of this ethane cracking furnace connects terminal box by the conversion pressed joint; between inner sleeve and conversion pressed joint, graphite grazing pad and pressure pad are installed; conversion pressed joint upper end in the terminal box lower end is equipped with poly-polytetrafluoroethylsealed sealed pad, hard pressure pad and spacing stifled; first order resistance is leaked and is graphite grazing pad and pressure pad part; when compressing X-over; high temperature soft graphite generation sex change; play sealing function; if protective casing is damaged, can stop medium to leak from thermometric core body periphery.Second level resistance is leaked and is poly-polytetrafluoroethylsealed sealed pad, hard pressure pad and spacing stifled, and when compressing X-over, the poly-compacted distortion of polytetrafluoroethylsealed sealed pad can prevent when core body is damaged equally, and medium leaks from core body is inner, guarantees safety in production.
3, be filled with ceramic fiber paper between the inner sleeve of the special-purpose wear-resisting antiscour thermopair of this ethane cracking furnace and the outer tube, promptly play good sealing function, strengthened the heat-transfer rate between inner sleeve and the outer tube again, guarantee thermometric reaction fast.
4, the material of the wear-resisting water conservancy diversion wing of the special-purpose wear-resisting antiscour thermopair of this ethane cracking furnace is a cobalt-base alloys, and this material can be under 1000 ℃ high temperature, the wearing and tearing of opposing solid particle, and anti-corrosion effects is good.
5, the utility model is simple in structure, design science is reasonable, wear-resistant, antiscour, reaction velocity are fast, and long service life is the special-purpose wear-resisting antiscour thermopair of a kind of safe and reliable ethane cracking furnace.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A portion enlarged diagram of Fig. 1;
Fig. 3 is the upward view of wear-resisting water conservancy diversion wing among Fig. 1.
Embodiment
The utility model is described in further detail below by specific embodiment, and following examples are descriptive, is not determinate, can not limit protection domain of the present utility model with this.
The special-purpose wear-resisting antiscour thermopair of a kind of ethane cracking furnace; comprise terminal box 1; flange 3; protective casing and thermometric core body 9; protective casing comprises inner sleeve 6 and outer tube 4; inner sleeve connects terminal box by conversion pressed joint 2; between inner sleeve and conversion pressed joint, graphite grazing pad 15 and pressure pad 14 are installed; conversion pressed joint upper end in the terminal box lower end is equipped with poly-polytetrafluoroethylsealed sealed pad 13; hard pressure pad 12 and spacing stifled 11; be filled with ceramic fiber paper 5 between inner sleeve and the outer tube; the coaxial terminal box lower end that is packed in of inner sleeve; the thermometric core body is arranged in the inner sleeve and its upper end is packed on the terminal box; the coaxial inner sleeve outer wall that is packed in of flange; coaxial being arranged on outside the inner sleeve and on it of outer tube is packed on the flange; its protective casing lower end installs a wear-resisting water conservancy diversion wing 7; this wear-resisting water conservancy diversion wing bottom is an inclined-plane; with be shaped on thermometric protuberance 10 on the corresponding wear-resisting water conservancy diversion wing of the thermometric core body inclined-plane; thermometric protuberance cross section outline is a triangle; on the wear-resisting water conservancy diversion wing inclined-plane of thermometric protuberance one side, be shaped on shock resistance protuberance 8; shock resistance protuberance cross section outline is a triangle, and shock resistance protuberance bottom surface is made as the inclined-plane with radian.
The utility model in use, wear-resisting water conservancy diversion wing inserts in the ethane cracking furnace and carries out thermometric, when placing the utility model, make the direction of shock resistance protuberance in face of high-temperature, high pressure fluid, impulsive force reduces behind the high-temperature, high pressure fluid process shock resistance protuberance, after high-temperature, high pressure fluid is through the thermometric protuberance, the thermometric protuberance can quicken the measurement reaction of fluid medium, improve reaction velocity, hysteresis quality is good, and temperature is floated little.
Claims (5)
1. the special-purpose wear-resisting antiscour thermopair of an ethane cracking furnace; comprise terminal box; flange; protective casing and thermometric core body; protective casing comprises inner sleeve and outer tube; the coaxial terminal box lower end that is packed in of inner sleeve; the thermometric core body is arranged in the inner sleeve and its upper end is packed on the terminal box; the coaxial inner sleeve outer wall that is packed in of flange; coaxial being arranged on outside the inner sleeve and on it of outer tube is packed on the flange; it is characterized in that: install a wear-resisting water conservancy diversion wing in the protective casing lower end; this wear-resisting water conservancy diversion wing bottom is an inclined-plane; with be shaped on the thermometric protuberance on the corresponding wear-resisting water conservancy diversion wing of the thermometric core body inclined-plane, on the wear-resisting water conservancy diversion wing inclined-plane of thermometric protuberance one side, be shaped on the shock resistance protuberance.
2. the special-purpose wear-resisting antiscour thermopair of ethane cracking furnace according to claim 1, it is characterized in that: described inner sleeve connects terminal box by the conversion pressed joint, between inner sleeve and conversion pressed joint graphite grazing pad and pressure pad are installed, the conversion pressed joint upper end in the terminal box lower end is equipped with poly-polytetrafluoroethylsealed sealed pad, hard pressure pad and spacing stifled.
3. the special-purpose wear-resisting antiscour thermopair of ethane cracking furnace according to claim 1 is characterized in that: be filled with ceramic fiber paper between described inner sleeve and the outer tube.
4. the special-purpose wear-resisting antiscour thermopair of ethane cracking furnace according to claim 1, it is characterized in that: described thermometric protuberance cross section outline is a triangle.
5. the special-purpose wear-resisting antiscour thermopair of ethane cracking furnace according to claim 1, it is characterized in that: described shock resistance protuberance cross section outline is a triangle, and shock resistance protuberance bottom surface is made as the inclined-plane with radian.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201462033U CN202041313U (en) | 2011-05-10 | 2011-05-10 | Wear-resistant washing-resistant thermocouple special for ethylene cracking furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201462033U CN202041313U (en) | 2011-05-10 | 2011-05-10 | Wear-resistant washing-resistant thermocouple special for ethylene cracking furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202041313U true CN202041313U (en) | 2011-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201462033U Expired - Lifetime CN202041313U (en) | 2011-05-10 | 2011-05-10 | Wear-resistant washing-resistant thermocouple special for ethylene cracking furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202041313U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278256A (en) * | 2013-03-22 | 2013-09-04 | 吴方立 | Cracking furnace cot thermocouple and mounting method thereof |
| CN108760067A (en) * | 2018-04-20 | 2018-11-06 | 淄博益源工程技术有限公司 | Pyrolysis furnace Special wear-resistant thermocouple |
| CN109459153A (en) * | 2018-11-02 | 2019-03-12 | 吴方立 | Cracking furnace COT thermocouple and its protection sleeve pipe |
| CN112298839A (en) * | 2020-09-17 | 2021-02-02 | 三河发电有限责任公司 | Local old coal temperature monitoring device with protection mechanism in coal storage silo |
-
2011
- 2011-05-10 CN CN2011201462033U patent/CN202041313U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278256A (en) * | 2013-03-22 | 2013-09-04 | 吴方立 | Cracking furnace cot thermocouple and mounting method thereof |
| CN108760067A (en) * | 2018-04-20 | 2018-11-06 | 淄博益源工程技术有限公司 | Pyrolysis furnace Special wear-resistant thermocouple |
| CN109459153A (en) * | 2018-11-02 | 2019-03-12 | 吴方立 | Cracking furnace COT thermocouple and its protection sleeve pipe |
| CN112298839A (en) * | 2020-09-17 | 2021-02-02 | 三河发电有限责任公司 | Local old coal temperature monitoring device with protection mechanism in coal storage silo |
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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: 20111116 |