CN217930583U - Coal gasification boiler temperature monitoring device - Google Patents
Coal gasification boiler temperature monitoring device Download PDFInfo
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- CN217930583U CN217930583U CN202221876789.3U CN202221876789U CN217930583U CN 217930583 U CN217930583 U CN 217930583U CN 202221876789 U CN202221876789 U CN 202221876789U CN 217930583 U CN217930583 U CN 217930583U
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- thermocouple
- sealing
- monitoring device
- temperature monitoring
- coal gasification
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Abstract
The utility model relates to a coal gasification boiler temperature monitoring device, which comprises a thermocouple, wherein an inner protective layer and an outer protective layer are sequentially arranged outside the thermocouple, the inner protective layer is connected with a sealing disc connected with the thermocouple in a sealing way to form a heat-conducting oil cavity, the thermocouple is positioned in the heat-conducting oil cavity, and heat-conducting oil is injected into the heat-conducting oil cavity; the utility model has the advantages of prolonged service life.
Description
Technical Field
The utility model belongs to the technical field of boiler temperature monitoring, concretely relates to coal gasification boiler temperature monitoring device.
Background
The boiler is an energy conversion device, while the coal gasification boiler is one of the boilers, the temperature monitoring device is required to monitor the temperature of the hearth in real time in the operation process of the coal gasification boiler, and in the temperature monitoring process, because the temperature of the hearth is about 1100 ℃, the temperature monitoring device is frequently damaged and has higher cost, and when the temperature monitoring device is replaced, the continuous operation of the boiler can be influenced, the loss is caused to a factory, and the temperature monitoring device with long service life is required to appear.
The Chinese utility model patent with the granted publication number of CN207675326U discloses a boiler temperature sensor, which comprises a thermocouple, an inner protective sleeve, a first adhesive layer and an outer protective sleeve, wherein the first adhesive layer is arranged between the inner protective sleeve and the outer protective sleeve, a spiral lead is arranged on the inner wall of the outer protective sleeve, the wire inlet end and the wire outlet end of the spiral lead are both arranged at the port part of the outer protective sleeve, and the outer protective sleeve comprises a connecting section and a wear-resistant section; when the thermocouple furnace is used, the protection of the thermocouple is realized through the inner protective sleeve and the outer protective sleeve, the damage of the thermocouple is avoided, the service life of the thermocouple is prolonged, but because the temperature of the furnace chamber is about 1100 ℃, and the thermocouple in the technical scheme is always in contact with air, the thermocouple can be oxidized at high temperature, and therefore the service life of the thermocouple is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art and providing a coal gasification boiler temperature monitoring device with prolonged service life.
The technical scheme of the utility model as follows:
a coal gasification boiler temperature monitoring device comprises a thermocouple, wherein an inner protective layer and an outer protective layer are sequentially arranged on the outer side of the thermocouple, the inner protective layer is connected with a sealing disc connected with the thermocouple in a sealing mode to form a heat conduction oil cavity, the thermocouple is located in the heat conduction oil cavity, and heat conduction oil is injected into the heat conduction oil cavity;
the line seal of the thermocouple passes through the sealing plate.
Further, the upper end of the outer protection layer is provided with a mounting ring with threads; the outer protection layer is fixed with the boiler through the mounting ring in a threaded mode, and mounting is convenient.
Furthermore, the mounting ring is provided with one or more than one convex rod; the installation ring is rotated through the convex rod, so that the installation ring can rotate conveniently when the thread is fixed.
Further, a sealing convex ring which is in sealing connection with the sealing disc is arranged on the inner wall of the inner protection layer; the sealing of the inner protective layer is realized through the sealing convex ring and the sealing disc, and the heat conducting oil is prevented from leaking.
Further, the sealing convex ring is provided with an adhesive layer adhered with the sealing disc; the sealing convex ring and the sealing disc are in sealing connection through the bonding layer, and sealing is guaranteed.
Furthermore, the thermocouple is not contacted with the inner protective layer, and the lower end of the thermocouple is provided with a limiting block which is abutted against the inner wall of the inner protective layer so as to limit the lower end of the thermocouple; the thermocouple is fixed through the limiting block and the sealing disc, and the shaking condition is avoided when the thermocouple falls.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model adopts the sealing connection of the sealing cover and the sealing convex ring to realize the sealing of the inner protective layer, and realizes the protection of the thermocouple through the heat conduction oil cavity injected with heat conduction oil, thereby avoiding the contact of air and the thermocouple at high temperature and prolonging the service life;
2. the utility model adopts the outer protective layer and the inner protective layer to protect the thermocouple, and avoids the damage of the thermocouple caused by collision and abrasion, thereby prolonging the service life of the thermocouple;
in a word, the utility model has the advantage of increase of service life.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the connection structure of the limiting block shown in fig. 1.
In the figure, 1, a thermocouple, 2, an inner protection layer, 3, an outer protection layer, 4, a limiting block, 5, a mounting ring, 6, a convex rod, 7, a sealing convex ring, 8, a sealing disc, 9, an adhesive layer, 10, a heat conduction oil cavity, 11 and a connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, a coal gasification boiler temperature monitoring device comprises a thermocouple 1, wherein an inner protection layer 2 and an outer protection layer 3 are sequentially arranged on the outer side of the thermocouple 1, the outer protection layer 3 is fixed on the inner protection layer 2 through screws, a sealing convex ring 7 is integrally formed on the inner wall of the inner protection layer 2, the sealing convex ring 7 is connected with a sealing disc 8 connected with the thermocouple 1 in a sealing manner to form a heat conduction oil cavity 10, the thermocouple 1 is positioned in the heat conduction oil cavity 10, heat conduction oil is injected into the heat conduction oil cavity 10, the thermocouple 1 is fixed on the sealing disc 8 through bolts, the sealing disc 8 is provided with a hole for a line of the thermocouple 1 to pass through, and a high-temperature binder bonded with the line of the thermocouple 1 is arranged in the hole to enable the line of the thermocouple 1 to pass through the sealing disc 8 in a sealing manner;
when the thermocouple temperature measuring device is used, heat conducting oil is injected into the inner protection layer 2 according to the size of the thermocouple 1, after the injection is completed, the thermocouple 1 is inserted into the inner protection layer 2 through the sealing disc 8, the sealing disc 8 is connected to the sealing convex ring 7 in a sealing mode, then the thermocouple 1 is fixed on a boiler through the outer protection layer 3, then the circuit of the thermocouple 1 is connected with temperature measuring equipment, and at the moment, the thermocouple 1 is fixed;
when the detection is needed, the temperature in the boiler is transmitted to the thermocouple 1 through the outer protection layer 3, the inner protection layer 2 and the heat conduction oil, the thermocouple 1 detects the temperature, the heat conduction oil is adopted to realize heat conduction, the heat conduction is increased, and in the detection process, because the thermocouple 1 is located in the heat conduction oil, the air can not be in contact with the thermocouple 1, the situation that the thermocouple 1 is oxidized due to high temperature is avoided, and the service life of the thermocouple 1 is prolonged.
In this embodiment, a mounting ring 5 with threads is integrally formed at the upper end of the outer protection layer 3, and the mounting ring 5 is provided with two protruding rods 6; when using, the personnel are with the 5 threaded connection of collar on the boiler for outer protective layer 3 is fixed on the boiler, and it is fixed to have made things convenient for the detection of thermocouple 1, and when rotating outer protective layer 3, accessible nose bar 6 rotates, makes things convenient for the rotation of outer protective layer 3.
In this embodiment, the sealing convex ring 7 is provided with an adhesive layer 9 adhered to the sealing disc 8, and the adhesive layer 9 is specifically a high-temperature adhesive; when the sealing device is used, the sealing convex ring 7 is in sealing connection with the sealing disc 8 by adopting a high-temperature adhesive, so that sealing is ensured.
In this embodiment, the space of the heat conducting oil cavity 10 is larger than that of the thermocouple 1, so that the thermocouple 1 is not in contact with the inner protection layer 2, and the lower end of the thermocouple 1 is fixed with a limiting block 4 which is abutted against the inner wall of the inner protection layer 2 through a bolt, so as to limit the lower end of the thermocouple 1; when using, because the space of heat conduction oil pocket 10 is greater than thermocouple 1, avoid appearing the unable condition of putting into interior protective layer 2 of thermocouple 1, when selecting good thermocouple 1, but when thermocouple 1 and interior protective layer 2 inner wall contactless, connect stopper 4 at the lower extreme of thermocouple 1, then put into heat conduction oil pocket 10 with thermocouple 1 in, carry out spacing thermocouple through sealed dish 8 and stopper 4, avoid thermocouple 1 when dropping because of rocking the condition that appears striking interior protective layer 2.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a coal gasification boiler temperature monitoring device, includes the thermocouple, its characterized in that: the thermocouple is positioned in the heat conduction oil cavity, and heat conduction oil is injected into the heat conduction oil cavity;
the wires of the thermocouple are sealed through the sealing plate.
2. The coal gasification boiler temperature monitoring device according to claim 1, characterized in that: and the upper end of the outer protection layer is provided with a mounting ring with threads.
3. The coal gasification boiler temperature monitoring device according to claim 2, characterized in that: the mounting ring is provided with one or more than one convex rod.
4. The coal gasification boiler temperature monitoring device according to claim 1, characterized in that: and a sealing convex ring in sealing connection with the sealing disc is arranged on the inner wall of the inner protection layer.
5. The coal gasification boiler temperature monitoring device according to claim 4, characterized in that: the sealing convex ring is provided with a bonding layer which is bonded with the sealing disc.
6. The coal gasification boiler temperature monitoring device according to claim 1, characterized in that: the thermocouple is not in contact with the inner protective layer, and the lower end of the thermocouple is provided with a limiting block which is abutted against the inner wall of the inner protective layer so as to limit the lower end of the thermocouple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221876789.3U CN217930583U (en) | 2022-07-15 | 2022-07-15 | Coal gasification boiler temperature monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221876789.3U CN217930583U (en) | 2022-07-15 | 2022-07-15 | Coal gasification boiler temperature monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217930583U true CN217930583U (en) | 2022-11-29 |
Family
ID=84190070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221876789.3U Active CN217930583U (en) | 2022-07-15 | 2022-07-15 | Coal gasification boiler temperature monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217930583U (en) |
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2022
- 2022-07-15 CN CN202221876789.3U patent/CN217930583U/en active Active
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