CN203534724U - A firebrick-type vapourizing furnace specially-used thermocouple - Google Patents
A firebrick-type vapourizing furnace specially-used thermocouple Download PDFInfo
- Publication number
- CN203534724U CN203534724U CN201320658564.5U CN201320658564U CN203534724U CN 203534724 U CN203534724 U CN 203534724U CN 201320658564 U CN201320658564 U CN 201320658564U CN 203534724 U CN203534724 U CN 203534724U
- Authority
- CN
- China
- Prior art keywords
- pipe
- gasification furnace
- special electric
- ceramic
- protection tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses a firebrick-type vapourizing furnace specially-used thermocouple comprising a thermocouple core, a protection tube and a conjunction box. The conjunction box is connected with one end of the thermocouple core. The protection tube is in sleeve joint with the outer portion of the thermocouple core. The protection tube comprises a ceramic protection tube and a stainless steel protection tube. One end of the ceramic protection tube is enclosed. An opening end of the ceramic protection tube and the stainless steel protection tube are fixedly connected with each other through metallurgy and are combined into an integral body. Compared with firebrick-type vapourizing furnace specially-used thermocouples in the prior art, the beneficial effects of the firebrick-type vapourizing furnace specially-used thermocouple of the utility model are that: the ceramic protection tube and the metal protection tube are welded into the integral body through the adoption of welding technology of metallurgy combination; redox gases in a vapourizing furnace can not corrode filling materials in a welding connecting portion, so that the gases are blocked and prevented from having chemical reaction with thermocouple filaments, and accordingly the usage life of the thermocouple is prolonged.
Description
Technical field
The utility model relates to Coal Chemical Industry coal slurry gasifier temperature probe technical field, relates in particular to a kind of fire brick type gasification furnace special electric thermo-couple.
Background technology
At present in Coal Chemical Industry coal slurry gasifier field, thermopair for thermometric in stove, existing technology all can not complete the gasification furnace parking in one to two cycle, after each driving, a period of time just damages, can not use continuously one to two cycle, one-period is about 40 days, not only to applying unit, bring and change trouble, also improved purchase cost, especially after damaging, can not continuity obtain temperature detection data, can only rely on concentration of methane gas to calculate or the estimation of body of heater surface temperature measurement system, to producing, bring inconvenience.
At home, in current several manufacturing firms, though the basic structure of profile is changed even core and sealing after all having adopted each parking, if adjusting screw thread, while being convenient to change, according to refractory brick corrosion condition, regulate length, but not enough part is, in their technology, the ceramic protecting pipe of even core leading portion fails to adopt the solder technology of metallurgical binding to weld with protection metal pipe, cause the own redox gas at gasification furnace: CO and H2, after directly corroding with the filler at the place of being welded to connect, gas has entered in pipe and platinum-rhodium alloy thermo wires generation chemical reaction, thermo wires crystallization is ruptured and is lost electric potential signal, so the life-span of thermopair is very short.
Traditional even core and assembly are structure as a whole, and when changing, need integral body to change, consuming time long inconvenient, and integral replacing cost compare is high.
Utility model content
The problems referred to above that the utility model need to solve are for above-mentioned the deficiencies in the prior art, and provide a kind of life-span longer, and durability is better, changes fire brick type gasification furnace special electric thermo-couple easily.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of fire brick type gasification furnace special electric thermo-couple; comprise thermocouple core, protection tube and terminal box; described terminal box is connected to one end of thermocouple core; described protection tube is socketed in outside thermocouple core; described protection tube comprises ceramic protecting pipe and stainless steel protection pipe; the sealing of described ceramic protecting pipe one end, the openend of ceramic protecting pipe and stainless steel protection pipe are fixedly connected as integral body by metallurgical binding.
The openend of described ceramic protecting pipe and stainless steel protection pipe are fixedly connected as integral body by soldering.
In described ceramic protecting pipe, be provided with composite bushing, be filled with ceramic-like filler between described composite bushing and ceramic protecting pipe, described ceramic-like filler forms fine and close integral body by self-sintering between ceramic protecting pipe and composite bushing (6).
Described ceramic-like filler is Powdered.
The length of described composite bushing is longer than the length of ceramic protecting pipe.
On described stainless steel protection pipe; pivot bush unit is useful on the length adjustment pipe of the length that regulates fire brick type gasification furnace special electric thermo-couple; described stainless steel protection pipe outer wall is provided with screw thread, and described length adjustment pipe (8) is by screw thread cutting ferrule and stainless steel protection pipe locking positioning.
At described length adjustment pipe, be socketed with coupling assembling outward, and be connected with terminal box by coupling assembling, described coupling assembling comprise process joint flange and with the bolted companion flange of described process joint flange, described companion flange is tightly connected by seal combination key and terminal box.
Be provided with ball face sealing being socketed on the length adjustment pipe end of joint flange cavity inside, described ball face sealing outer wall is provided with jump ring, between described jump ring and the flange of length adjustment pipe, is provided with anti-chatter spring.
Described seal combination key comprises T-shaped threaded connector and excessive short circuit.
Described seal combination key and companion flange are threaded connection.
Compared with prior art, the beneficial effects of the utility model are:
Ceramic protecting pipe and protection metal pipe adopt the solder technology of metallurgical binding to be welded as integral body, and the redox gas in gasification furnace cannot corrode the filler that is welded to connect place, blocking-up gas and thermocouple wire generation chemical reaction, thereby the life-span of prolongation thermopair.
In ceramic protecting pipe, be provided with composite bushing; between composite bushing and the front end of ceramic protecting pipe, be filled with ceramic-like filler; ceramic-like filler is the self-sintering of meeting under the high temperature action in gasification furnace; and between ceramic protecting pipe and composite bushing, form fine and close integral body; impermeability and the corrosion resistance of protection tube have been improved; more be conducive to protect thermocouple core, extend the life-span of thermocouple core.
Anti-chatter spring has the effect of damping vibration, can guarantee that fire brick type gasification furnace special electric thermo-couple can not damage the in the situation that of microseismic activity.
Seal combination key comprises T-shaped threaded connector and excessive short circuit, for convenience detach and assembling; Seal combination key and companion flange are threaded connection, and during maintenance, only need change thermocouple core 1, needn't change protection tube 2, have simplified Renewal process, have saved servicing time, have reduced maintenance cost simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of fire brick type gasification furnace special electric thermo-couple of the present utility model;
Fig. 2 is the partial enlarged drawing of fire brick type gasification furnace special electric thermo-couple of the present utility model;
Fig. 3 is the long status schematic diagram of fire brick type gasification furnace special electric thermo-couple of the present utility model;
Fig. 4 is the short status schematic diagram of fire brick type gasification furnace special electric thermo-couple of the present utility model.
Wherein, 1, thermocouple core, 2, protection tube; 3, terminal box, 4, ceramic protecting pipe, 5, stainless steel protection pipe; 6, composite bushing, 7, ceramic-like filler, 8, length adjustment pipe; 9, process joint flange, 10, companion flange, 11, seal combination key; 12, T-shaped threaded connector, 13, excessive short circuit, 14, ball face sealing; 15 anti-chatter springs, 16, coupling assembling, 17, jump ring.
Embodiment
Below in conjunction with accompanying drawing, describe optimal technical scheme of the present utility model in detail.
As shown in Figure 1; a kind of fire brick type gasification furnace special electric thermo-couple; comprise thermocouple core 1, protection tube 2 and terminal box 3; terminal box 3 is connected to one end of thermocouple core 1; protection tube 2 is socketed in outside thermocouple core 1, and thermocouple core 1 comprises thermocouple wire and be wrapped in the insulation protective jacket on thermocouple wire, and protection tube 2 comprises ceramic protecting pipe 4 and stainless steel protection pipe 5; ceramic protecting pipe 4 one end sealings, the openend of ceramic protecting pipe 4 and stainless steel protection pipe 5 are fixedly connected as integral body by metallurgical binding.
The openend of ceramic protecting pipe 4 and stainless steel protection pipe 5 are fixedly connected as integral body by soldering, and the effect of seal welding is very good.
In ceramic protecting pipe 4, be provided with composite bushing 6; between composite bushing 6 and the front end of ceramic protecting pipe 4, be filled with ceramic-like filler 7; ceramic-like filler 7 forms fine and close integral body by self-sintering under the high temperature action in gasification furnace between ceramic protecting pipe 4 and composite bushing 6; impermeability and the corrosion resistance of protection tube 2 have been improved; more be conducive to protect thermocouple core 1, extend the life-span of thermocouple core 1.
Ceramic-like filler 7 is Powdered, is convenient to fill, and powder has mobility simultaneously, can guarantee to be evenly distributed, and forms fine and close integral body while being convenient to sintering.
The length of composite bushing 6 is longer than the length of ceramic protecting pipe 4, is convenient to fill ceramic-like filler 7 in the gap between composite bushing 6 and ceramic protecting pipe 4, also prevents that ceramic-like filler 7 from entering in composite bushing 6 simultaneously.
On stainless steel protection pipe 5; pivot bush unit is useful on the length adjustment pipe 8 of the length that regulates fire brick type gasification furnace special electric thermo-couple; stainless steel protection pipe 5 outer walls are provided with screw thread; length adjustment pipe 8 is by screw thread cutting ferrule and stainless steel protection pipe 5 locking positionings; length adjustment pipe 8 is under the guide effect of stainless steel protection pipe 5; be threaded connection and carry out rectilinear motion; thereby realize, the length of fire brick type gasification furnace special electric thermo-couple is regulated; installation method is more flexible, also avoids regulating the ceramic protecting pipe 4 that damages thermocouple core 1 front end while installing.
Outside length adjustment pipe 8, be socketed with coupling assembling 16, and be connected with terminal box 3 by coupling assembling 16, coupling assembling 16 comprise process joint flange 9 and with the bolted companion flange 10 of process joint flange 9, companion flange 10 is tightly connected by seal combination key 11 and terminal box 1.
Be provided with ball face sealing 14 being socketed on length adjustment pipe 8 ends of joint flange 9 cavity insides, ball face sealing 14 outer walls are provided with jump ring 17, between jump ring 17 and the flange of length adjustment pipe 8, be provided with anti-chatter spring 15, anti-chatter spring 15 has the effect of damping vibration, can guarantee that thermopair can not damage the in the situation that of microseismic activity.
Compared with prior art; the beneficial effects of the utility model are: ceramic protecting pipe and protection metal pipe adopt the solder technology of metallurgical binding to be welded as integral body; redox gas in gasification furnace cannot corrode the filler that is welded to connect place; blocking-up gas and thermocouple wire generation chemical reaction, thereby the life-span of prolongation thermopair.
Claims (10)
1. a fire brick type gasification furnace special electric thermo-couple; comprise thermocouple core (1), protection tube (2) and terminal box (3); described terminal box (3) is connected to one end of thermocouple core (1); described protection tube (2) is socketed in outside thermocouple core (1); it is characterized in that: described protection tube (2) comprises ceramic protecting pipe (4) and stainless steel protection pipe (5); the sealing of described ceramic protecting pipe (4) one end, the openend of ceramic protecting pipe (4) and stainless steel protection pipe (5) are fixedly connected as integral body by metallurgical binding.
2. fire brick type gasification furnace special electric thermo-couple according to claim 1, is characterized in that: the openend of described ceramic protecting pipe (4) and stainless steel protection pipe (5) are fixedly connected as integral body by soldering.
3. fire brick type gasification furnace special electric thermo-couple according to claim 1; it is characterized in that: in described ceramic protecting pipe (4), be provided with composite bushing (6); between described composite bushing (6) and ceramic protecting pipe (4), be filled with ceramic-like filler (7), described ceramic-like filler (7) forms fine and close integral body by self-sintering between ceramic protecting pipe (4) and composite bushing (6).
4. fire brick type gasification furnace special electric thermo-couple according to claim 3, is characterized in that: described ceramic-like filler (7) is for Powdered.
5. fire brick type gasification furnace special electric thermo-couple according to claim 3, is characterized in that: the length of described composite bushing (6) is longer than the length of ceramic protecting pipe (4).
6. fire brick type gasification furnace special electric thermo-couple according to claim 3; it is characterized in that: on described stainless steel protection pipe (5); pivot bush unit is useful on the length adjustment pipe (8) of the length that regulates fire brick type gasification furnace special electric thermo-couple; described stainless steel protection pipe (5) outer wall is provided with screw thread, and described length adjustment pipe (8) is by screw thread cutting ferrule and stainless steel protection pipe (5) locking positioning.
7. fire brick type gasification furnace special electric thermo-couple according to claim 6, it is characterized in that: outside described length adjustment pipe (8), be socketed with coupling assembling (16), and be connected with terminal box (3) by coupling assembling (16), described coupling assembling (16) comprise process joint flange (9) and with the bolted companion flange of described process joint flange (9) (10), described companion flange (10) is tightly connected by seal combination key (11) and terminal box (1).
8. fire brick type gasification furnace special electric thermo-couple according to claim 7, it is characterized in that: at the length adjustment pipe (8) that is socketed in joint flange (9) cavity inside, hold and be provided with ball face sealing (14), described ball face sealing (14) outer wall is provided with jump ring (17), between described jump ring (17) and the flange of length adjustment pipe (8), is provided with anti-chatter spring (15).
9. fire brick type gasification furnace special electric thermo-couple according to claim 7, is characterized in that: described seal combination key (11) comprises T-shaped threaded connector (12) and excessive short circuit (13).
10. fire brick type gasification furnace special electric thermo-couple according to claim 7, is characterized in that: described seal combination key (11) is threaded connection with companion flange (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320658564.5U CN203534724U (en) | 2013-10-24 | 2013-10-24 | A firebrick-type vapourizing furnace specially-used thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320658564.5U CN203534724U (en) | 2013-10-24 | 2013-10-24 | A firebrick-type vapourizing furnace specially-used thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203534724U true CN203534724U (en) | 2014-04-09 |
Family
ID=50420919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320658564.5U Expired - Fee Related CN203534724U (en) | 2013-10-24 | 2013-10-24 | A firebrick-type vapourizing furnace specially-used thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203534724U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894257A (en) * | 2017-11-27 | 2018-04-10 | 河南众恒工业炉工程技术有限公司 | Limekiln working of a furnace inline diagnosis and warning system |
| CN112378541A (en) * | 2020-10-26 | 2021-02-19 | 南京工业大学 | Wire-storable quick-response thermocouple |
-
2013
- 2013-10-24 CN CN201320658564.5U patent/CN203534724U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894257A (en) * | 2017-11-27 | 2018-04-10 | 河南众恒工业炉工程技术有限公司 | Limekiln working of a furnace inline diagnosis and warning system |
| CN112378541A (en) * | 2020-10-26 | 2021-02-19 | 南京工业大学 | Wire-storable quick-response thermocouple |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203534724U (en) | A firebrick-type vapourizing furnace specially-used thermocouple | |
| CN101839774B (en) | Composite tube type high-temperature thermocouple | |
| CN204389047U (en) | Multiple thermocouple temperature measuring equipment and underground gasification system | |
| CN201569510U (en) | Temperature thermocouple for bottom part of long-life glass tank furnace | |
| CN201795874U (en) | Thermoelectric couple for vacuum high-temperature measurement and control | |
| CN102072782B (en) | Novel non-welding thermoelectric couple (resistor) | |
| CN202153160U (en) | High temperature wear resistant thermocouple specially used for circulating fluidized bed | |
| CN101614598B (en) | Thermocouple device used for measuring underground gasification temperature | |
| CN101173873A (en) | Nuclear grade platinum resistance thermometer and its method for reducing thermal response time | |
| CN201117683Y (en) | Hot-air stove electric thermo-couple | |
| CN201811802U (en) | Novel non-welding thermocouple or hot resistance | |
| CN207180891U (en) | A kind of explosion-proof thermal resistance | |
| CN201653575U (en) | Dedicated thermocouple for furnace bottom | |
| CN203443679U (en) | Anti-scouring wear-resistant thermocouple | |
| CN201653573U (en) | Special high-temperature thermocouple for sulfur recovery tail gas furnace | |
| CN204115902U (en) | The temperature measuring equipment of water-cooled wall-shaped gasification furnace | |
| CN102103022A (en) | Device for measuring temperature of titanium tetrachloride pulp pipeline | |
| CN2901268Y (en) | Hearth thermocouple | |
| CN205537995U (en) | High temperature resistant temperature measuring device | |
| CN205228664U (en) | A direct temperature measuring device for powder coal gasification stove | |
| CN202676314U (en) | Thermocouple specialized for Claus furnace | |
| CN102103024B (en) | Device and method for measuring hearth temperature of coal gasification furnace with double-layer furnace body | |
| CN201254563Y (en) | High temperature thermocouple leakproof wiring box | |
| CN201038192Y (en) | Sleeve structure thermocouple protection device | |
| CN2872331Y (en) | COT surface thermocouple |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20141024 |
|
| EXPY | Termination of patent right or utility model |