CN205449301U - Sealed gasifier thermocouple of dual resistance to compression - Google Patents
Sealed gasifier thermocouple of dual resistance to compression Download PDFInfo
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- CN205449301U CN205449301U CN201620227357.8U CN201620227357U CN205449301U CN 205449301 U CN205449301 U CN 205449301U CN 201620227357 U CN201620227357 U CN 201620227357U CN 205449301 U CN205449301 U CN 205449301U
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- black box
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- seal assembly
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Abstract
Sealed gasifier thermocouple of dual resistance to compression belongs to coal industry temperature measurement technical field. Including the temperature thermocouple body, temperature thermocouple body upper end is connected with seal assembly pedestal (2), is provided with seal assembly, its characterized in that on seal assembly pedestal (2) upper portion: seal assembly including the lower seal assembly that sets up on seal assembly pedestal (2) upper portion and suit at the last seal assembly of seal assembly outside down. The utility model discloses an among the sealed gasifier thermocouple of dual resistance to compression, be provided with down the last seal assembly that seal assembly upper portion under was established to seal assembly and cover, through setting up two -stage seal structure, realized that the dual resistance to compression of gasifier thermocouple is sealed, consequently improved the security and the reliability of this gasifier thermocouple greatly.
Description
Technical field
The gasification oven thermocouple that double compression resistant seals, belongs to Coal Chemical Industry technical field of temperature measurement.
Background technology
In the coal chemical technology of prior art, gasification furnace is the key equipment in the chemical products production processes such as chemical fertilizer production, methanol, coal gas, and gasification oven thermocouple is mounted in the special electric thermo-couple on gasification furnace, and gasification oven thermocouple is typically at H2、CO、CH4Working etc. in inflammable and explosive high pressure reduction corrosion atmosphere, operating pressure reaches as high as 8.7MPa, and this just requires that thermocouple is in addition to having good thermometric performance, it is necessary to have high safety, guarantee device is long-term, safety, even running.
In the prior art, domestic gasification oven thermocouple manufacturer typically uses the structure that one-level is compressive sealed, the gasification oven thermocouple of the compressive sealed structure of this one-level does not the most often have sufficiently high reliability and safety, may the reasons such as assembling level because of sealing member quality problems or because of Assembling personnel is low and working sense of responsibility is the strongest, there is gas leakage or flame after causing device to be driven at gasification oven thermocouple sealing.Thermocouple once occurs gas to leak, and is difficult to realize sealing by secondary fastening again, replacing of finally can only stopping, causes huge economic loss and major safety risks to enterprise.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, it is provided that one achieves double compression resistant seal by arranging lower seal assembly and upper black box, substantially increases the gasification oven thermocouple that the double compression resistant of safety and reliability seals.
This utility model solves the gasification oven thermocouple that its technical problem be the technical scheme is that this double compression resistant seals, including temperature thermocouple body, temperature thermocouple body upper end connects black box pedestal, black box pedestal top is provided with black box, it is characterised in that: described black box includes being arranged on the lower seal assembly on black box pedestal top and being sleeved on the upper black box of lower seal component external.
Preferably, described black box pedestal top being provided with the mounting groove for installing lower seal assembly, is set with and is tightly connected sleeve above black box pedestal, described upper black box is arranged on the upper end being tightly connected sleeve.
Preferably, described black box pedestal top is provided with pedestal boss, inside pedestal boss, offers sealing column link slot and the lower seal storage tank forming described mounting groove the most successively；Described sealed adapter sleeve jacket casing is located at pedestal boss outside and is located at inside it by the lower seal assembly in mounting groove.
Preferably, in described lower seal assembly includes the lower seal pad that is placed sequentially in lower seal storage tank and lower hold-down column and screw-in sealing column link slot, the sealing column that lower seal pad and lower hold-down column are compressed.
Preferably, described being tightly connected bottom sleeve offers branch sleeve link slot, and branch sleeve link slot is threaded connection and is set in outside pedestal boss, is tightly connected sleeve top and is provided with and is tightly connected sleeve boss for install black box.
Preferably, described it is tightly connected branch sleeve lower convex platform and the branch sleeve convex platform that sleeve boss includes that radius is sequentially reduced, black box storage tank is offered inside branch sleeve convex platform, described upper black box includes the upper sealing gasket that is placed sequentially in black box storage tank and upper hold-down column, and it is outside and simultaneously by upper sealing gasket and the seal sleeve of upper hold-down column compression to be set in branch sleeve convex platform.
Preferably, above described black box or sealing and plugging unit is installed.
Preferably, described sealing and plugging unit is to be set in the first seal plug reduction cap outside black box upper black box and lower seal assembly maybe cover the second seal plug reduction cap therein simultaneously.
Preferably, at described black box pedestal be tightly connected between sleeve and be additionally provided with seal washer.
Compared with prior art, this utility model is had the beneficial effect that
1, in the gasification oven thermocouple that double compression resistant of the present utility model seals, it is provided with lower seal assembly and is set in the upper black box on lower seal assembly top, structure is sealed by arranging two-stage, the double compression resistant achieving gasification oven thermocouple seals, and therefore substantially increases the safety and reliability of this gasification oven thermocouple.
2, in upper black box, by arranging seal sleeve, upper sealing gasket and upper hold-down column are pressed in upper black box storage tank, it is achieved that the positive sealing of upper black box.
3, in lower seal assembly, by sealing column being screwed in sealing column link slot, it is achieved that lower seal pad and the reliable compression of lower hold-down column, it is ensured that sealing.
4, after the air pressure in gasification furnace breaks through the two-layer sealing structure of lower seal assembly and upper black box composition, by the sealing and plugging unit installed above at black box, the situation that can avoid gas leakage or flame occurs, therefore change or maintenance without stopping, it is to avoid the tremendous economic loss caused because of parking.
Accompanying drawing explanation
Fig. 1 is the gasification oven thermocouple structural representation that double compression resistant seals.
Fig. 2 is enlarged drawing at A in Fig. 1.
Fig. 3 is the gasification oven thermocouple black box pedestal upper end formation schematic diagram that double compression resistant seals.
Fig. 4 is the gasification oven thermocouple seal sleeve structural representation that double compression resistant seals.
Fig. 5 is that the gasification oven thermocouple that double compression resistant seals is tightly connected tube-in-tube structure schematic diagram.
Fig. 6 is to be provided with the gasification oven thermocouple structural representation that the double compression resistant of leak stoppage device seals.
Fig. 7 is gasification oven thermocouple embodiment 2 structural representation that double compression resistant seals.
Wherein: 1, anti-explosion terminal box 2, black box pedestal 201, sealing column link slot 202, pedestal boss 203, lower seal storage tank 3, adpting flange 4, location screw 5, thermocouple wire 6, process connecting tube 7, thermocouple 8, seal sleeve 801, seal sleeve boss 802, seal sleeve link slot 9, upper hold-down column 10, upper sealing gasket 11, it is tightly connected sleeve 1101, upper sealing member storage tank 1102, branch sleeve convex platform 1103, branch sleeve lower convex platform 1104, branch sleeve link slot 12, sealing column 13, seal washer 14, lower hold-down column 15, lower seal pad 16, first seal plug reduction cap 17, second seal plug reduction cap.
Detailed description of the invention
Fig. 1 ~ 6 are most preferred embodiments of the present utility model, and 1 ~ 7 pair of this utility model is described further below in conjunction with the accompanying drawings.
Embodiment 1:
In the gasification oven thermocouple that double compression resistant as shown in Figure 1 seals, thermocouple 7 and process connecting tube 6 are threaded connection and form temperature thermocouple body.After black box pedestal 2 inside is inserted in temperature thermocouple body upper end, location screw 4 laterally penetrates the sidewall of black box pedestal 2 and screws in temperature thermocouple body, it is achieved temperature thermocouple body and the location of black box pedestal 2.Outer ring sleeve at black box pedestal 2 is provided with adpting flange 3, the upper end of black box pedestal 2 is provided with black box, it is positioned at the anti-explosion terminal box 1 accessing black box upper end after the thermocouple wire 5 of temperature thermocouple body is upward through black box pedestal 2 and black box, completes the wiring of thermocouple wire 5.
As in figure 2 it is shown, in the gasification oven thermocouple that this double compression resistant seals, black box is that the two-stage arranged from bottom to top seals structure.In conjunction with Fig. 3, the radius pedestal boss 202 less than black box pedestal 2 body it is provided with in the upper end of black box pedestal 2, sealing column link slot 201 is offered in the inside of pedestal boss 202, continuing downwards in the bottom of sealing column link slot 201 to offer columned lower seal storage tank 203, the bottom of lower seal storage tank 203 attenuates and forms inverted circular cone shape.
Lower seal pad 15 and lower hold-down column 14 are sequentially placed in lower seal storage tank 203, inner ring at sealing column link slot 201 is provided with screw thread, sealing column 12 screws in sealing column link slot 201 with the threaded engagement of sealing column link slot 201 inner ring, lower hold-down column 14 and lower seal pad 15 are compressed simultaneously, form the lower seal structure of black box, the wherein inverted circular cone shape being shaped as matching of lower seal pad 15 with lower seal storage tank 203.Being provided with through wires hole at the middle part of sealing column 12, lower hold-down column 14 and lower seal pad 15, the thermocouple wire 5 in temperature thermocouple body is drawn after upwards sequentially passing through the through wires hole in the middle part of sealing column 12, lower hold-down column 14 and lower seal pad 15.
The outer ring of pedestal boss 202 offers external screw thread simultaneously, it is tightly connected sleeve 11 by being located at the upper end of black box pedestal 2 with the external screw thread engagement sleeves on pedestal boss 202 outer ring, is provided with seal washer 13 being tightly connected between sleeve 11 and black box pedestal 2.Seal washer 13 uses annealing red copper pad to realize, annealing red copper pad has that fusing point is high, plasticity strong, the advantage of good airproof performance, will not be because of the situation of the high-temperature gas generation seal failure in stove, the secondary fastening being the most conveniently tightly connected between sleeve 11 and black box pedestal 2, after the most once the gas in gasification furnace breaks through lower seal pad 15, high-temperature gas also will not leak at seal washer 13, and is to continue with at the up top seal structure acting on black box.In conjunction with Fig. 5, branch sleeve link slot 1104 is offered in the bottom up being tightly connected sleeve 11, being provided with the female thread coordinated with the external screw thread on pedestal boss 202 outer ring on the inner ring of branch sleeve link slot 1104, the lower seal radome structure that branch sleeve link slot 1104 realizes sealing column 12, lower hold-down column 14 and lower seal pad 15 form sets therein.
It is disposed with branch sleeve lower convex platform 1103 and the branch sleeve convex platform 1102 that radius is gradually reduced in the upper end being tightly connected sleeve 11 from bottom to top, offers external screw thread in the outer ring of branch sleeve lower convex platform 1103 and branch sleeve convex platform 1102 simultaneously.Offer downwards sealing member storage tank 1101 on columned at the middle part of branch sleeve convex platform 1102, the bottom of upper sealing member storage tank 1101 attenuates equally and forms inverted circular cone shape.Upper sealing gasket 10 and upper hold-down column 9 are sequentially placed in sealing member storage tank 1101.Seal sleeve 8 is set in the upper end being tightly connected sleeve 11, seal sleeve link slot 802 is offered in the bottom of seal sleeve 8, inner ring at seal sleeve link slot 802 is provided with the female thread that the external screw thread with branch sleeve convex platform 1102 outer ring coordinates, after seal sleeve 8 is threaded connection and is arranged on and is tightly connected sleeve 11 upper end, the top of seal sleeve link slot 802 will be located in the upper sealing gasket 10 in sealing member storage tank 1101 and upper hold-down column 9 compresses and realizes sealing, and forms the top seal structure of black box.
Being provided with seal sleeve boss 801 in the upper end of seal sleeve 8 simultaneously, offer external screw thread in the outer ring of seal sleeve boss 801, above-mentioned anti-explosion terminal box 1 is threadedly attached on seal sleeve boss 801.Be tightly connected sleeve 11, on sealing gasket 10, on be equipped with through wires hole inside hold-down column 9 and seal sleeve 8, the thermocouple wire 5 in temperature thermocouple body accesses in anti-explosion terminal box 1 after upwards sequentially passing through corresponding through wires hole.
When actually used, connected by thermocouple 7 and process connecting tube 6 and form temperature thermocouple body and stretch in gasification furnace, and realize connecting by adpting flange 3 flange corresponding with on gasification furnace, and by the thermocouple wire 5 in temperature thermocouple body, the temperature in gasification furnace is measured.In the work process of gasification furnace, owing in gasification furnace being the environment of High Temperature High Pressure, therefore when normally using, pressure in stove can act on the bottom of lower seal pad 15, owing to lower seal pad 15 is compressed by lower hold-down column 14 and sealing column 12, therefore air pressure will not break through the lower seal mechanism being made up of lower seal pad 15, lower hold-down column 14 and sealing column 12.
If pressure has once broken through the lower seal mechanism being made up of lower seal pad 15, lower hold-down column 14 and sealing column 12, air pressure may proceed to go upward to the bottom of sealing gasket 10, owing to upper sealing gasket 10 is compressed by upper hold-down column 9 and seal sleeve 8, therefore after air pressure breaks through lower seal mechanism, the upper sealing mechanism being made up of upper sealing gasket 10, upper hold-down column 9 and seal sleeve 8 proceeds leak stopping, therefore by arranging two-stage sealing structure, it is ensured that the gases at high pressure in gasification furnace will not break through the gasification oven thermocouple of this double compression resistant sealing and cause danger.
Once the upper sealing mechanism that upper sealing gasket 10, upper hold-down column 9 and seal sleeve 8 form is broken through due to fortuitous event by the air pressure in gasification furnace, now anti-explosion terminal box 1 can be pulled down, and in the outside sheathed first seal plug reduction cap 16 of upper black box, to avoid air pressure to go out the gasification oven thermocouple that this double compression resistant seals.As shown in Figure 6, the inner ring of the first seal plug reduction cap 16 is provided with female thread, the female thread of the first seal plug reduction cap 16 inner ring coordinates with the above-mentioned external screw thread being arranged on branch sleeve lower convex platform 1103 outer ring, and now the first seal plug reduction cap 16 is by being threadably mounted at the upper end being tightly connected sleeve 11.When concrete operations, it is again provided with the annealing red copper pad identical with seal washer 13 material in the first seal plug reduction cap 16 with being tightly connected between sleeve 11, thus the pressure in ensure that gasification furnace will not be from the first seal plug reduction cap 16 and be tightly connected between sleeve 11 leakage.Owing to being provided with the first seal plug reduction cap 16, so even be that the pressure in gasification furnace breaks through two-stage sealing structure, do not result in yet cannot leak stopping situation occur, the situation avoiding gas leakage or flame occurs, therefore change or maintenance without stopping, it is to avoid the tremendous economic loss caused because of parking.
Embodiment 2:
Compared with Example 1, its difference is the present embodiment: by be tightly connected the first seal plug reduction cap 16 that sleeve 11 is connected and replace with the second seal plug reduction cap 17 coordinated with black box pedestal 2.As shown in Figure 7, in the present embodiment, annular boss is formed in the outer ring of black box pedestal 2, and offer external screw thread in the outer ring of annular boss, the female thread of the second seal plug reduction cap 17 inner ring is matched, and two-stage is sealed structure be located at inside it simultaneously, faying face in the second seal plug reduction cap 17 with black box pedestal 2, it is provided with red copper pad (being not drawn in figure) simultaneously, thus ensure that the positive sealing between the second seal plug reduction cap 17 and black box pedestal 2, it is to avoid the gas in stove is revealed at the second seal plug reduction cap 17.
The above, it it is only preferred embodiment of the present utility model, being not the restriction that this utility model is made other form, any those skilled in the art are changed possibly also with the technology contents of the disclosure above or are modified as the Equivalent embodiments of equivalent variations.But every without departing from technical solutions of the utility model content, any simple modification, equivalent variations and remodeling above example made according to technical spirit of the present utility model, still fall within the protection domain of technical solutions of the utility model.
Claims (9)
1. the gasification oven thermocouple that double compression resistant seals, including temperature thermocouple body, temperature thermocouple body upper end connects black box pedestal (2), black box pedestal (2) top is provided with black box, it is characterised in that: described black box includes being arranged on the lower seal assembly on black box pedestal (2) top and being sleeved on the upper black box of lower seal component external.
The gasification oven thermocouple that double compression resistant the most according to claim 1 seals, it is characterized in that: described black box pedestal (2) top is provided with the mounting groove for installing lower seal assembly, being set with in black box pedestal (2) top and be tightly connected sleeve (11), described upper black box is arranged on the upper end being tightly connected sleeve (11).
The gasification oven thermocouple that double compression resistant the most according to claim 2 seals, it is characterized in that: described black box pedestal (2) top is provided with pedestal boss (202), offer sealing column link slot (201) and the lower seal storage tank (203) forming described mounting groove in pedestal boss (202) inside the most successively；The described sleeve (11) that is tightly connected is set in pedestal boss (202) outside and is located at inside it by the lower seal assembly in mounting groove.
The gasification oven thermocouple that double compression resistant the most according to claim 3 seals, it is characterized in that: described lower seal assembly includes the lower seal pad (15) being placed sequentially in lower seal storage tank (203) and lower hold-down column (14) and screws in sealing column link slot (201), the sealing column (12) lower seal pad (15) and lower hold-down column (14) compressed.
The gasification oven thermocouple that double compression resistant the most according to claim 3 seals, it is characterized in that: described sleeve (11) bottom that is tightly connected offers branch sleeve link slot (1104), branch sleeve link slot (1104) is threaded connection that to be set in pedestal boss (202) outside, is tightly connected sleeve (11) top and is provided with and is tightly connected sleeve boss for install black box.
The gasification oven thermocouple that double compression resistant the most according to claim 5 seals, it is characterized in that: described be tightly connected branch sleeve lower convex platform (1103) and the branch sleeve convex platform (1102) that sleeve boss includes that radius is sequentially reduced, upper black box storage tank (1101) is offered in branch sleeve convex platform (1102) inside, described upper black box includes upper sealing gasket (10) and the upper hold-down column (9) being placed sequentially in black box storage tank (1101), and it is set in the seal sleeve (8) that branch sleeve convex platform (1102) is outside and upper sealing gasket (10) and upper hold-down column (9) is compressed simultaneously.
The gasification oven thermocouple that double compression resistant the most according to claim 1 seals, it is characterised in that: above described black box or sealing and plugging unit is installed.
The gasification oven thermocouple that double compression resistant the most according to claim 7 seals, it is characterised in that: described sealing and plugging unit is to be set in the first seal plug reduction cap (16) outside black box upper black box and lower seal assembly maybe cover the second seal plug reduction cap (17) therein simultaneously.
The gasification oven thermocouple that double compression resistant the most according to claim 1 seals, it is characterised in that: at described black box pedestal (2) be tightly connected between sleeve (11) and be additionally provided with seal washer (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620227357.8U CN205449301U (en) | 2016-03-23 | 2016-03-23 | Sealed gasifier thermocouple of dual resistance to compression |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620227357.8U CN205449301U (en) | 2016-03-23 | 2016-03-23 | Sealed gasifier thermocouple of dual resistance to compression |
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| CN205449301U true CN205449301U (en) | 2016-08-10 |
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| CN201620227357.8U Active CN205449301U (en) | 2016-03-23 | 2016-03-23 | Sealed gasifier thermocouple of dual resistance to compression |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113138031A (en) * | 2021-05-24 | 2021-07-20 | 山东斯特尔新能源科技有限公司 | Wiring device of high-temperature high-pressure container |
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2016
- 2016-03-23 CN CN201620227357.8U patent/CN205449301U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113138031A (en) * | 2021-05-24 | 2021-07-20 | 山东斯特尔新能源科技有限公司 | Wiring device of high-temperature high-pressure container |
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