CN218913933U - Exhaust-heat boiler steam pipeline valve monitoring devices - Google Patents
Exhaust-heat boiler steam pipeline valve monitoring devices Download PDFInfo
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- CN218913933U CN218913933U CN202223260361.9U CN202223260361U CN218913933U CN 218913933 U CN218913933 U CN 218913933U CN 202223260361 U CN202223260361 U CN 202223260361U CN 218913933 U CN218913933 U CN 218913933U
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Abstract
The utility model provides a waste heat boiler steam pipeline valve monitoring device which comprises a steam pipeline, a drain valve, a first temperature measuring device, a second temperature measuring device and a distributed control device, wherein the drain pipeline is connected with the steam pipeline, the drain valve is arranged on the drain pipeline, the first temperature measuring device is arranged on the steam pipeline, the second temperature measuring device is arranged on the drain pipeline at the rear end of the drain valve, the first temperature measuring device and the second temperature measuring device are respectively and electrically connected with the distributed control device, and the distributed control device is electrically connected with a remote centralized control room and is used for displaying the monitored temperature in the remote centralized control room. According to the utility model, by comparing the temperature of the steam pipeline with the temperature of the drain pipeline at the rear end of the drain valve, whether the drain valve leaks or not is conveniently and rapidly judged, countermeasures are timely taken, steam loss is avoided, and the economic benefit of the waste heat boiler is improved.
Description
Technical Field
The utility model relates to the technical field of waste heat boilers, in particular to a waste heat boiler steam pipeline valve monitoring device and a monitoring system thereof.
Background
Waste heat boiler, as its name implies, refers to a boiler that heats water to a certain temperature by utilizing the waste heat of waste gas, waste material or waste liquid in various industrial processes and the heat generated after the combustion of combustible substances thereof. The oil-fired boiler, the gas-fired boiler and the coal-fired boiler with smoke box and flue waste heat recovery are also called waste heat boiler, and the waste heat boiler can produce hot water or steam for other working sections to use through waste heat recovery.
At present, in the normal operation process of the waste heat boiler, the drain valve is often leaked easily due to faults or reasons that workers are not in place, so that the leakage is difficult to be found in time by the workers, and the heat loss of the steam is caused.
Disclosure of Invention
The utility model provides a device for monitoring a steam pipeline valve of a waste heat boiler, which solves the problem that workers cannot find leakage in time after a drain valve of the waste heat boiler leaks in the prior art.
The utility model is realized by the following technical scheme:
a waste heat boiler steam conduit valve monitoring device, comprising:
a steam line;
a drain line connected to the steam line;
the drain valve is arranged on the drain pipeline;
the first temperature measuring device is arranged on the steam pipeline;
the second temperature measuring device is arranged on the drainage pipeline at the rear end of the drainage valve; and
a distributed control device;
the first temperature measuring device and the second temperature measuring device are respectively and electrically connected with the distributed control device;
the distributed control device is electrically connected with the remote centralized control room and is used for displaying the monitored temperature in the remote centralized control room.
The further technical scheme is that the first temperature measuring device comprises a first temperature thermocouple, the first temperature thermocouple is provided with a first temperature sensing probe, the first temperature sensing probe is fixed on the steam pipeline, and the first temperature thermocouple is electrically connected with the distributed control device.
The second temperature measuring device comprises a second temperature thermocouple, the second temperature thermocouple is provided with a second temperature sensing probe, the second temperature sensing probe is fixed on the drainage pipeline, and the second temperature thermocouple is electrically connected with the distributed control device.
The further technical scheme is that the second temperature sensing probe is provided with a second heat collecting block, and the second heat collecting block is fixedly arranged on the drainage pipeline.
The further technical scheme is that the second heat collecting block is provided with a second arc-shaped part, and the second arc-shaped part is attached to the water drain pipeline.
The further technical scheme is that the second heat collecting block is welded and fixed on the drainage pipeline.
The further technical scheme is that a second stainless steel ribbon is arranged on the second heat collection block, and the second stainless steel ribbon fixes the second heat collection block on the drainage pipeline.
According to a further technical scheme, the number of the second stainless steel binding belts is at least 2.
The further technical scheme is that the first temperature sensing probe is provided with a first heat collecting block, and the first heat collecting block is fixed on the steam pipeline.
The further technical scheme is that the first temperature thermocouple and the second temperature thermocouple are K-division thermocouples.
The utility model has the beneficial effects that:
according to the utility model, the first temperature measuring device is arranged on the steam pipeline, the second temperature measuring device is arranged on the drain pipeline, the first temperature measuring device monitors the temperature of the steam pipeline in real time, the second temperature measuring device monitors the temperature of the drain pipeline at the rear end of the drain valve in real time, the collected temperature is transmitted to the far Cheng Jikong chamber for real-time display through the distributed control device, and the staff can conveniently and rapidly judge whether the drain valve leaks or not by comparing the temperature of the steam pipeline with the temperature of the drain pipeline at the rear end of the drain valve, so that countermeasures are timely taken, steam loss is avoided, and the economic benefit of a waste heat boiler is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a first structure of a second heat collecting block according to the present utility model;
FIG. 3 is a schematic view of a second structure of a second heat collecting block according to the present utility model;
fig. 4 is a schematic block diagram of the circuit connection of the present utility model.
Reference numerals illustrate:
1. a second temperature thermocouple; 2. a hydrophobic line; 3. a second stainless steel tie; 4. a second heat collecting block; 5. a drain valve; 6. a first temperature thermocouple; 7. a first heat collecting block; 8. a steam line; 9. a distributed control device; 10. a remote centralized control room; 11. a second arc-shaped portion; 12. a second temperature sensing probe; 13. the first temperature sensing probe.
Detailed Description
The present utility model will be described in further detail below in order to make the objects, technical solutions and effects of the present utility model more clear and distinct. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
At present, when the waste heat boiler operates, the drain valve 5 is easy to leak due to faults or reasons that a worker is not in place, and the worker is difficult to find leakage in time, so that the steam heat is lost.
Thus, the inventors have proposed an improvement to the above problems, as follows:
the utility model provides a waste heat boiler steam conduit valve monitoring devices, includes steam line 8, drain pipeline 2, trap 5, first temperature measuring device, second temperature measuring device and dispersion type controlling means 9, drain pipeline 2 connect in steam line 8, trap 5 set up in drain pipeline 2, first temperature measuring device set up in steam line 8, second temperature measuring device set up in drain pipeline 2 of trap 5 rear end, wherein, first temperature measuring device with second temperature measuring device respectively with dispersion type controlling means 9 electricity is connected, dispersion type controlling means 9 is connected with long-range centralized control room 10 electricity for show the monitoring temperature at long-range centralized control room 10.
In the scheme, the steam temperature after passing through the drain valve 5 can be monitored by the drain pipeline 2 at the rear end of the drain valve 5, so that the judgment is more accurate; the distributed control device 9 is a DCS control system and is used for displaying the collected temperature in a remote centralized control room 10 in real time. According to the scheme, the first temperature measuring device is arranged on the steam pipeline 8, the second temperature measuring device is arranged on the drain pipeline 2, the first temperature measuring device monitors the temperature of the steam pipeline 8 in real time, the second temperature measuring device monitors the temperature of the drain pipeline 2 in real time, the collected temperature is transmitted to the remote centralized control room 10 for real-time display through the distributed control device 9, and a worker can identify leakage through comparing the temperature of the steam pipeline 8 with the temperature of the drain pipeline 2 when the temperature passing through the drain valve 5 has a larger difference with the temperature of the steam pipeline 8; when the temperature through the drain valve 5 is not greatly different from the temperature of the steam pipe 8, it can be considered that there is no leakage in consideration of the energy loss during the steam transportation; after the device is used, a worker can quickly judge whether the drain valve 5 leaks or not, make a countermeasure in time, avoid steam loss and improve the economic benefit of the waste heat boiler.
In one embodiment, the first temperature measuring device comprises a first temperature thermocouple 6, the first temperature thermocouple 6 is provided with a first temperature sensing probe 13, the first temperature sensing probe 13 is fixed on the steam pipeline 8, and the first temperature thermocouple 6 is electrically connected with the distributed control device 9. The temperature of steam pipeline 8 is measured through adopting first temperature thermocouple 6 to this scheme, simple structure, and is with low costs, is convenient for realize.
In one embodiment, the second temperature measuring device comprises a second temperature thermocouple 1, the second temperature thermocouple 1 is provided with a second temperature sensing probe 12, the second temperature sensing probe 12 is fixed on the hydrophobic pipeline 2, and the second temperature thermocouple 1 is electrically connected with the distributed control device 9. According to the scheme, the temperature of the drain pipeline 2 after the drain valve 5 is monitored by the second temperature thermocouple 1, the structure is simple, the cost is low, and the implementation is convenient.
In one embodiment, the second temperature sensing probe 12 is provided with a second heat collecting block 4, and the second heat collecting block 4 is fixedly arranged on the hydrophobic pipeline 2. In this application, through setting up second heat collection piece 4, increase second temperature sensing probe 12 and hydrophobic pipeline 2's area of contact for the temperature collection effect of second temperature thermocouple 1 is better.
Further, the second heat collecting block 4 is provided with a second arc-shaped portion 11, and the second arc-shaped portion 11 is attached to the drainage pipeline 2. In this application, the arcwall face of second arcwall portion 11 seting up for second heat collection piece 4 bottom, the tubular form looks adaptation design of second arcwall portion 11 and hydrophobic pipeline 2 to make second heat collection piece 4 can whole laminating on hydrophobic pipeline 2, thereby make area of contact bigger, the result of use is better.
In one embodiment, the second heat collecting block 4 is welded and fixed on the water drain pipe 2. In this application, the second heat collecting block 4 can be fixed on the hydrophobic pipeline 2 by adopting a common welding mode, so that the fixing is firm and the second heat collecting block is not easy to shake.
In one embodiment, a second stainless steel ribbon 3 is disposed on the second heat collecting block 4, and the second stainless steel ribbon 3 fixes the second heat collecting block 4 to the water drain pipeline 2. In this application, adopt stainless steel material to avoid the ribbon to fix by the high heat steam influence when hydrophobic pipeline 2 for the product is fixed reliable, simultaneously, on original welded basis, at the ribbon of tying up, make fixed effect better.
In one embodiment, the number of the second stainless steel bands 3 is at least 2. In this application, because second temperature thermocouple 1 has longer connecting wire when in actual use with second temperature sensing probe 12, from this, one of them second stainless steel ribbon 3 is used for fixed second heat collection piece 4, and the another one is used for fixed second temperature sensing probe 12 and second temperature thermocouple 1 between the wire, is convenient for accomodate and arrangement. In addition, in this scheme, can also set up a plurality of second stainless steel ribbon 3, the design can be selected according to own actual demand to the person skilled in the art.
In one embodiment, the first temperature sensing probe 13 is provided with a first heat collecting block 7, and the first heat collecting block 7 is fixed on the steam pipeline 8. In this application, in order to make the temperature measurement data of steam pipe 8 also more accurate, first temperature sensing probe 13 also designs first heat collection piece 7, and first heat collection piece 7 and steam pipe 8's pipe diameter shape looks adaptation. More specifically, the first heat collecting block 7 may be provided with a first stainless steel band to fix the first heat collecting block 7, or may be fixed by welding or the like.
In one embodiment, the first temperature thermocouple 6 and the second temperature thermocouple 1 are both K-index thermocouples. In the application, the K-division thermocouple actually refers to the existing K-type thermocouple, is a simple temperature sensor and is cheaper, so that the design cost of the scheme is reduced, and the implementation is convenient.
In summary, the utility model provides a valve monitoring device for a steam pipeline of a waste heat boiler, which is characterized in that a first temperature thermocouple 6 is arranged on a steam pipeline 8, a second temperature thermocouple 1 is arranged on a drain pipeline 2 at the rear end of a drain valve 5, and corresponding first heat collecting blocks 7 and second heat collecting blocks 4 are arranged, so that temperature measurement data are more accurate, and a worker can compare temperatures collected at two points through a remote centralized control room 10, thereby rapidly judging whether the drain valve 5 leaks or not, timely making a countermeasure, avoiding steam loss, and having good economical efficiency.
Of course, the present utility model can be implemented in various other embodiments, and based on this embodiment, those skilled in the art can obtain other embodiments without any inventive effort, which fall within the scope of the present utility model.
Claims (10)
1. A waste heat boiler steam pipe valve monitoring device, characterized by comprising:
a steam line;
a drain line connected to the steam line;
the drain valve is arranged on the drain pipeline;
the first temperature measuring device is arranged on the steam pipeline;
the second temperature measuring device is arranged on the drainage pipeline at the rear end of the drainage valve; and
a distributed control device;
the first temperature measuring device and the second temperature measuring device are respectively and electrically connected with the distributed control device;
the distributed control device is electrically connected with the remote centralized control room and is used for displaying the monitored temperature in the remote centralized control room.
2. The exhaust-heat boiler steam pipeline valve monitoring device according to claim 1, wherein the first temperature measuring device comprises a first temperature thermocouple, the first temperature thermocouple is provided with a first temperature sensing probe, the first temperature sensing probe is fixed on the steam pipeline, and the first temperature thermocouple is electrically connected with the distributed control device.
3. The exhaust-heat boiler steam pipeline valve monitoring device according to claim 2, wherein the second temperature measuring device comprises a second temperature thermocouple, the second temperature thermocouple is provided with a second temperature sensing probe, the second temperature sensing probe is fixed on the drainage pipeline, and the second temperature thermocouple is electrically connected with the distributed control device.
4. The exhaust-heat boiler steam pipeline valve monitoring device according to claim 3, wherein the second temperature sensing probe is provided with a second heat collecting block, and the second heat collecting block is fixedly arranged on the drainage pipeline.
5. The exhaust-heat boiler steam pipeline valve monitoring device according to claim 4, wherein the second heat collecting block is provided with a second arc-shaped portion, and the second arc-shaped portion is attached to the drain pipeline.
6. The exhaust-heat boiler steam pipeline valve monitoring device according to claim 4, wherein the second heat collecting block is welded and fixed on the drain pipeline.
7. The exhaust-heat boiler steam pipe valve monitoring device according to any one of claims 4 to 6, wherein a second stainless steel ribbon is arranged on the second heat collecting block, and the second stainless steel ribbon fixes the second heat collecting block on the drainage pipeline.
8. The exhaust-heat boiler steam pipe valve monitoring apparatus of claim 7, wherein the number of second stainless steel bands is at least 2.
9. The exhaust-heat boiler steam pipeline valve monitoring device according to claim 2, wherein the first temperature sensing probe is provided with a first heat collecting block, and the first heat collecting block is fixed on the steam pipeline.
10. A waste heat boiler steam conduit valve monitoring apparatus as set forth in claim 3 wherein said first thermocouple and said second thermocouple are K-index thermocouples.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223260361.9U CN218913933U (en) | 2022-12-05 | 2022-12-05 | Exhaust-heat boiler steam pipeline valve monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223260361.9U CN218913933U (en) | 2022-12-05 | 2022-12-05 | Exhaust-heat boiler steam pipeline valve monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218913933U true CN218913933U (en) | 2023-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223260361.9U Active CN218913933U (en) | 2022-12-05 | 2022-12-05 | Exhaust-heat boiler steam pipeline valve monitoring devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218913933U (en) |
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2022
- 2022-12-05 CN CN202223260361.9U patent/CN218913933U/en active Active
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