CN207964110U - A kind of Drain Resistance formula stop valve armoured thermocouple - Google Patents
A kind of Drain Resistance formula stop valve armoured thermocouple Download PDFInfo
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- CN207964110U CN207964110U CN201820235271.9U CN201820235271U CN207964110U CN 207964110 U CN207964110 U CN 207964110U CN 201820235271 U CN201820235271 U CN 201820235271U CN 207964110 U CN207964110 U CN 207964110U
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- drain resistance
- stop valve
- armoured thermocouple
- pad
- resistance formula
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Abstract
The utility model discloses a kind of Drain Resistance formula stop valve armoured thermocouple, including armored temperature measuring core, cutting mechanism and terminal box, the cutting mechanism is arranged between armored temperature measuring core and terminal box；The armored temperature measuring core includes the concentric thermocouple wire set gradually from inside to outside, armor sleeve and outer tube；The cutting mechanism include for cutting off the stop valve of outer tube, the primary seal Drain Resistance mechanism for sealing armor sleeve outer wall and the secondary seal Drain Resistance mechanism for sealing thermocouple wire.The utility model has good seal performance, the high advantage of safety coefficient.
Description
Technical field
The utility model is related to Thermocouples Technology fields, more particularly to a kind of Drain Resistance formula stop valve armoured thermocouple.
Background technology
It applies in the thermocouple operation on refining equipment, medium washes away seriously thermocouple outer tube, when using one section
Between after, outer tube can be leaked by erosive wear medium, due to lacking necessary cut-out and sealing mechanism, once find it is too late
When, it is easy for causing safety accident.
Utility model content
The purpose of this utility model be look into for thermocouple sealing performance existing in the prior art, wear-resisting property difference lacks
Point, and a kind of Drain Resistance formula stop valve armoured thermocouple is provided.
Technical solution is used by realize the purpose of this utility model：
A kind of Drain Resistance formula stop valve armoured thermocouple of the utility model, including armored temperature measuring core, cutting mechanism and connect
Wire box, the cutting mechanism are arranged between armored temperature measuring core and terminal box；
The armored temperature measuring core includes the concentric thermocouple wire set gradually from inside to outside, armor sleeve and housing
Pipe；
The cutting mechanism include for cutting off the stop valve of outer tube, the primary seal for sealing armor sleeve outer wall
Drain Resistance mechanism and secondary seal Drain Resistance mechanism for sealing thermocouple wire.
In the above-mentioned technical solutions, the armored temperature measuring core outer wall is fixed with mounting flange.
It is a in the above-mentioned technical solutions, stop valve is equipped between the armored temperature measuring core and the terminal box, it is described to cut
Disconnected that primary seal Drain Resistance mechanism and secondary seal Drain Resistance mechanism are equipped between valve and terminal box, primary seal Drain Resistance mechanism is leaned on
Nearly stop valve, secondary seal Drain Resistance mechanism is close to terminal box.
In the above-mentioned technical solutions, the front end of the outer tube is wear-resistant section.Improve the wear-resisting property of outer tube.
In the above-mentioned technical solutions, the wear-resistant section uses cobalt-chromium-tungsten alloy.
In the above-mentioned technical solutions, primary seal Drain Resistance mechanism include the graphite packing that is filled in outside armor sleeve and
Cutting ferrule and pressure pad for compressing the graphite packing.
In the above-mentioned technical solutions, secondary seal Drain Resistance mechanism includes that lead-in wire sealing pad and the installation lead are close
The lead at packing both ends compresses hard packing, which compresses hard packing and press the stopper posts pad of female lower section to apply pressure pressure by stopper posts pad
Tight lead-in wire sealing pad.
In the above-mentioned technical solutions, the stopper posts pad pressure mother is connected with the terminal box.
In the above-mentioned technical solutions, outer tube, the outer tube and institute are equipped between the cutting ferrule and stopper posts pad pressure are female
Cutting ferrule is stated to connect by active adjusting parent phase.
In the above-mentioned technical solutions, the wear-resistant section is the half of housing length of tube to one third.
Compared with prior art, the utility model has the beneficial effects that：
1, the present apparatus is equipped with three-level sealing mechanism successively, successively hermetically sealed case pipe, armor sleeve and thermocouple wire, can be effective
Ensure the leakproofness of the present apparatus, improves safety coefficient.
2, the setting of wear-resistant section improves leakproofness prevented also from leakage.
3, reasonable in design, it is easy to utilize.
Description of the drawings
Fig. 1 show the structural schematic diagram of the utility model.
Fig. 2 is the enlarged drawing of primary seal Drain Resistance mechanism in Fig. 1.
Fig. 3 is the enlarged drawing of secondary seal Drain Resistance mechanism in Fig. 1.
Wherein：A- blocks mechanism, 1- armored temperature measuring cores, 2- mounting flanges, 3- terminal boxes, 4- stop valves, 5- outer tubes, 6-
Primary seal Drain Resistance mechanism, 7- secondary seal Drain Resistances mechanism, 8- wear-resistant sections, the active adjustings of 9- are female.
11- thermocouple wires, 12- armor sleeves, 13- outer tubes；
61- graphite packings, 62- cutting ferrules, 63- pressure pads；
71- lead-in wire sealing pads, 72,73- leads compress hard packing, 74- stopper posts pads, 75- stopper posts pads pressure is female.
Specific implementation mode
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place
The specific embodiment of description is only used to explain the utility model, is not used to limit the utility model.
Embodiment 1
As shown in Figure 1, a kind of Drain Resistance formula stop valve armoured thermocouple of the utility model, including armored temperature measuring core 1, cut
Breaking mechanism a and terminal box 3, the cutting mechanism a are arranged between armored temperature measuring core 1 and terminal box 3；
The armored temperature measuring core 1 include the concentric thermocouple wire 11 set gradually from inside to outside, armor sleeve 12 with
And outer tube 13；
The cutting mechanism include for cutting off the stop valve 4 of outer tube, it is close for sealing the level-one of armor sleeve outer wall
Blockade leakage mechanism 6 and the secondary seal Drain Resistance mechanism 7 for sealing thermocouple wire.
In the above-mentioned technical solutions, it is fixed with mounting flange 2 on the armored temperature measuring core 1.
In the above-mentioned technical solutions, stop valve 4, institute are equipped between the armored temperature measuring core 1 and the terminal box 3
It states and is equipped with primary seal Drain Resistance mechanism 6 and secondary seal Drain Resistance mechanism 7 between stop valve 4 and terminal box 3, the primary seal resistance
Mechanism 6 is leaked close to stop valve, and secondary seal Drain Resistance mechanism 7 is close to terminal box.
The outer tube 13 is connected by outer group of trap 5 with terminal box 3, the thermocouple wire 11 and the terminal box 3
Communication connection, the outer group of trap 5 are equipped with stop valve 4, are equipped in outer group of trap between the stop valve 4 and terminal box 3
Primary seal Drain Resistance mechanism 6 for sealing armor sleeve 12 and the secondary seal Drain Resistance mechanism 7 for sealing thermocouple wire 11.
Working method：
When outer tube 13 is worn, stop valve 4 plays Truncation first, in addition to this, primary seal Drain Resistance machine
Structure 6 is formed in the outside of the armor sleeve 12, prevents medium from revealing, if block valve 4 is closed not in time, armor sleeve 12
Leakage can be ground and primary seal Drain Resistance mechanism 6 is caused to fail, and what secondary seal Drain Resistance mechanism 7 sealed is (positive and negative anodes) thermocouple wire
11, it prevents from directly revealing.
Embodiment 2
In order to improve the wear-resisting property of the present apparatus, the present embodiment is improved on the basis of embodiment 1, the outer tube
13 front end is wear-resistant section 8.Improve the wear-resisting property of outer tube 13.
It is preferred that the cobalt-chromium-tungsten alloy made of refining pours of the wear-resistant section 8, is the Typical spray alloy longevity
More than ten times of life.
Embodiment 3
In order to improve the sealing performance of the present apparatus, the present embodiment is improved on the basis of embodiment 1, as shown in Fig. 2,
Primary seal Drain Resistance mechanism 6 includes the graphite packing 61 that is filled in outside armor sleeve 12 and for compressing the graphite packing
61 cutting ferrule 62 and pressure pad 63.
It is preferred that as shown in figure 3, secondary seal Drain Resistance mechanism 7 includes lead-in wire sealing pad 71 and installation
The lead that the lead-in wire sealing pads 71 both ends compresses hard packing 72,73.
It is preferred that the lead compresses stopper posts pad 74 of the hard packing 72,73 by 75 lower section of stopper posts pad pressure mother
Apply pressure compaction lead-in wire sealing pad 71.
It is preferred that as shown in Figure 1, stopper posts pad pressure mother 75 is connected with the terminal box 3.
It is preferred that as shown in Figure 1, being equipped with outer tube 5 between stopper posts pad pressure mother 75 and the cutting ferrule 62.
It is preferred that as shown in Figure 1, the outer tube 5 is connected with the cutting ferrule 62 by active adjusting mother 9.
It is preferred that the wear-resistant section 8 is the half of 13 length of outer tube to one third.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
The scope of protection of the utility model is also should be regarded as into retouching.
Claims (11)
1. a kind of Drain Resistance formula stop valve armoured thermocouple, which is characterized in that including armored temperature measuring core, cutting mechanism and wiring
Box, the cutting mechanism are arranged between armored temperature measuring core and terminal box；
The armored temperature measuring core includes the concentric thermocouple wire set gradually from inside to outside, armor sleeve and outer tube；
The cutting mechanism include for cutting off the stop valve of outer tube, the primary seal Drain Resistance for sealing armor sleeve outer wall
Mechanism and secondary seal Drain Resistance mechanism for sealing thermocouple wire.
2. a kind of Drain Resistance formula stop valve armoured thermocouple as described in claim 1, which is characterized in that the armored temperature measuring core
Mounting flange is fixed on outer wall.
3. a kind of Drain Resistance formula stop valve armoured thermocouple as described in claim 1, which is characterized in that the front end of the outer tube
For wear-resistant section.
4. a kind of Drain Resistance formula stop valve armoured thermocouple as claimed in claim 3, which is characterized in that the wear-resistant section uses cobalt
Chromium tungsten alloy.
5. a kind of Drain Resistance formula stop valve armoured thermocouple as claimed in claim 3, which is characterized in that the wear-resistant section is housing
The half of length of tube is to one third.
6. a kind of Drain Resistance formula stop valve armoured thermocouple as described in claim 1, which is characterized in that the armored temperature measuring core
It is equipped with stop valve between the terminal box, is equipped with primary seal Drain Resistance mechanism between the stop valve and terminal box and two level is close
Leakage mechanism is blockaded, primary seal Drain Resistance mechanism is close to stop valve, and secondary seal Drain Resistance mechanism is close to terminal box.
7. a kind of Drain Resistance formula stop valve armoured thermocouple as described in claim 1, which is characterized in that the primary seal Drain Resistance
Mechanism includes the graphite packing being filled in outside armor sleeve and cutting ferrule and pressure pad for compressing the graphite packing.
8. a kind of Drain Resistance formula stop valve armoured thermocouple as described in claim 1, which is characterized in that the secondary seal Drain Resistance
Mechanism includes lead-in wire sealing pad and the lead compression hard packing at installation lead-in wire sealing pad both ends.
9. a kind of Drain Resistance formula stop valve armoured thermocouple as claimed in claim 7, which is characterized in that the secondary seal Drain Resistance
Mechanism includes lead-in wire sealing pad and the lead compression hard packing at installation lead-in wire sealing pad both ends.
10. a kind of Drain Resistance formula stop valve armoured thermocouple as claimed in claim 9, which is characterized in that the lead compresses hard
Pad applies pressure compaction lead-in wire sealing pad by the stopper posts pad of the female lower section of stopper posts pad pressure.
11. a kind of Drain Resistance formula stop valve armoured thermocouple as claimed in claim 10, which is characterized in that the stopper posts pad pressure
It is female to be connected with the terminal box, the cutting ferrule and stopper posts pad pressure it is female between be equipped with outer tube, the outer tube with it is described
Cutting ferrule is connected by active adjusting parent phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820235271.9U CN207964110U (en) | 2018-02-09 | 2018-02-09 | A kind of Drain Resistance formula stop valve armoured thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820235271.9U CN207964110U (en) | 2018-02-09 | 2018-02-09 | A kind of Drain Resistance formula stop valve armoured thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207964110U true CN207964110U (en) | 2018-10-12 |
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ID=63738608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820235271.9U Active CN207964110U (en) | 2018-02-09 | 2018-02-09 | A kind of Drain Resistance formula stop valve armoured thermocouple |
Country Status (1)
| Country | Link |
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| CN (1) | CN207964110U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503980A (en) * | 2021-07-10 | 2021-10-15 | 宁夏莫克仪表科技有限公司 | Special thermocouple for gasification furnace |
| CN114088233A (en) * | 2020-11-04 | 2022-02-25 | 核工业理化工程研究院 | Anti-vibration temperature sensor with high temperature measurement precision and suit thereof |
| CN114112090A (en) * | 2022-01-28 | 2022-03-01 | 华能平凉发电有限责任公司 | Novel temperature thermocouple for steam turbine set |
-
2018
- 2018-02-09 CN CN201820235271.9U patent/CN207964110U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088233A (en) * | 2020-11-04 | 2022-02-25 | 核工业理化工程研究院 | Anti-vibration temperature sensor with high temperature measurement precision and suit thereof |
| CN113503980A (en) * | 2021-07-10 | 2021-10-15 | 宁夏莫克仪表科技有限公司 | Special thermocouple for gasification furnace |
| CN114112090A (en) * | 2022-01-28 | 2022-03-01 | 华能平凉发电有限责任公司 | Novel temperature thermocouple for steam turbine set |
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