CN208765856U - A kind of system for detecting temperature of the big packet of boiler top - Google Patents
A kind of system for detecting temperature of the big packet of boiler top Download PDFInfo
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- CN208765856U CN208765856U CN201821726304.6U CN201821726304U CN208765856U CN 208765856 U CN208765856 U CN 208765856U CN 201821726304 U CN201821726304 U CN 201821726304U CN 208765856 U CN208765856 U CN 208765856U
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Abstract
The utility model discloses a kind of system for detecting temperature of the big packet of boiler top, comprising: for detecting the environment temperature measuring equipment of the environment temperature of the big packet of furnace roof；It is connected with the environment temperature measuring equipment, for judging whether temperature environment is lower than the processor of preset temperature threshold；It is connected with the processor, for the display device that when temperature environment is lower than the preset temperature threshold, the display big packet of furnace roof can divulge information.The system for detecting temperature of the utility model avoids and opens the problem of big packet forced ventilation impacts big packet internal duct, while accelerating the speed of the big packet internal cooling of furnace roof again, and then accelerates repair schedule, improves overhaul efficiency.
Description
Technical field
The utility model relates to field of thermal power, more particularly to a kind of system for detecting temperature of the big packet of boiler top.
Background technique
Using direct current cooker thermal power plant in, boiler water wall, superheater, reheater outlet header collect in
In the confined space of roof of the furnace, industry habit is referred to as the big packet of furnace roof, referred to as big packet.
When unit maintenance is stopped transport, when needing to carry out service work in big packet, the temperature in big packet is needed to meet work
When making condition, opens big packet manhole door and checked.
When big packet interior environment temperature is high, service personnel be cannot be introduced into, and open big packet forced ventilation cooling, to pipeline
It causes thermal stress to influence, influences the service life of pipeline, if temperature is down to room temperature, the time can be too long, influences repair schedule.
In actual moving process, service personnel is that idle time is tentatively judged according to unit, but this
Judging the mode of temperature, there are biggish errors, directly affect normal unit operation and maintenance.
Utility model content
The purpose of the utility model is to provide a kind of system for detecting temperature of the big packet of boiler top, solve furnace roof and reach interior
Portion's temperature is difficult to the problem of grasping.
In order to solve the above technical problems, the utility model provides a kind of system for detecting temperature of big packet of boiler top, packet
It includes:
For detecting the environment temperature measuring equipment of the environment temperature of the big packet of furnace roof；
It is connected with the environment temperature measuring equipment, for judging whether the temperature environment is lower than the place of preset temperature threshold
Manage device；
It is connected with the processor, for showing institute when the temperature environment is lower than the preset temperature threshold
State the display device that the big packet of furnace roof can divulge information.
Wherein, the environment temperature measuring equipment includes that four top corner regions wrapped greatly at the top of rectangular configuration are respectively arranged one
The first temperature sensor.
Wherein, the spacing between first temperature sensor and the side wall of the big packet of the furnace roof is not less than 1m.
Wherein, the apex angle and the big packet inner outlet collection of the furnace roof of the big packet of the furnace roof is arranged in first temperature sensor
The midpoint of the closest approach of case, the closest approach are the nearest position of the apex angle of the big packet of furnace roof described in distance on the outlet header
It sets.
Wherein, spacing of first temperature sensor apart from the ground the furnace roof great Bao is high not less than the big packet of the furnace roof
The half of degree.
It wherein, further include the tube wall temperature measuring equipment for detecting the tube wall temperature of each outlet header in the big packet of furnace roof；
The tube wall temperature measuring equipment is connected with the processor, and processor is for judging whether the tube wall temperature is lower than
Default tube wall temperature, and when the tube wall temperature is lower than the default tube wall temperature, Xiang Suoshu display device sends the furnace
The big packet in top reaches the signal of maintenance condition.
Wherein, the tube wall temperature measuring equipment includes the second temperature sensor of the equidistantly distributed on the outlet header.
The system for detecting temperature of the big packet of boiler top provided by the utility model, by the way that ring is arranged inside the big packet of furnace roof
Border temperature-detecting device accurately measures the internal environment temperature of big packet, and judge whether on this basis can to it is big wrap into
Row ventilation, when reaching ventilation condition, showing to staff can divulge information on the display device, enter without staff interior
Examination, and avoid and open the problem of big packet forced ventilation impacts big packet internal duct, while it is big to accelerate furnace roof
The speed of packet internal cooling, and then accelerate repair schedule, improve overhaul efficiency.
Detailed description of the invention
For the clearer technical solution for illustrating the utility model embodiment or the prior art, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural block diagram of the system for detecting temperature of the big packet of boiler top provided by the embodiment of the utility model；
Fig. 2 is the top view in the big packet of furnace roof provided by the embodiment of the utility model.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, with reference to the accompanying drawing and specific implementation
The utility model is described in further detail for mode.Obviously, described embodiment is only the utility model a part
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, fall within the protection scope of the utility model.
As shown in FIG. 1, FIG. 1 is the structures of the system for detecting temperature of the big packet of boiler top provided by the embodiment of the utility model
Block diagram, the system for detecting temperature may include:
For detecting the environment temperature measuring equipment 10 of the environment temperature of the big packet of furnace roof；
It is connected with environment temperature measuring equipment 10, for judging whether temperature environment is lower than preset temperature threshold according to environment temperature
The processor 20 of value；
It is connected with processor 20, for showing the display device that can be divulged information when temperature environment is lower than preset temperature threshold
30。
Specifically, which is arranged inside the big packet of furnace roof, it should be noted that the environment temperature measuring equipment
10 detections are temperature in the big packet environment of furnace roof, therefore the convergence of No Exit header should be arranged in the environment temperature measuring equipment 10
At position.
Further, processor 20 is built in using in DCS control system, and the DCS set-up of control system is in the big packet of furnace roof
Outside is connected with environment temperature measuring equipment 10 by wireless communication signal, and passes through wireless communication signal for environment temperature measuring equipment
The temperature signal of 10 detections is sent to DCS control system, is sentenced by the processor 20 in DCS control system according to environment temperature
Whether the big packet of the furnace roof that breaks can be aerated.
When temperature environment is lower than preset temperature threshold, then judging result can be sent to display device 30, display dress
Setting 30 specifically can be CTR display, and by showing judging result in display device 30, user can be directly to the big packet of furnace roof
It is aerated, without relying on artificial experience judgement, avoids due to judging inaccuracy to the big packet internal temperature of furnace roof, cause too early
The problem of ventilation causes damage to the big packet internal pipeline of furnace roof, while in turn avoiding ventilation too late, extend the duration of unit maintenance.
By the way that environment temperature measuring equipment 10 is arranged inside the big packet of furnace roof in the utility model, the big packet internal environment of furnace roof is detected
Temperature, then staff can be obtained the exact value of the big packet internal temperature of furnace roof, and on this basis with the big packet of furnace roof
The ventilation temperature of permission compares, and it is that whether the big packet of furnace roof can be aerated as a result, guaranteeing that furnace roof is big accurately to obtain
On the basis of packet inner pipe wall is undamaged, unit maintenance efficiency is improved.
Optionally, in the another specific embodiment of the utility model, as shown in Fig. 2, Fig. 2 is the utility model embodiment
Top view in the big packet of the furnace roof of offer, environment temperature measuring equipment can specifically include in the big packet of the furnace roof:
In four top corner regions of the big packet of the furnace roof of rectangular configuration, one the first temperature sensor is respectively set.
In order to obtain the environment temperature for having more reference value, multiple first temperature sensing can be set in the big packet of furnace roof
Device obtains multiple groups temperature data and is averaged as final environment temperature, so that environment temperature obtained is more reliable.
As shown in Fig. 2, the big packet 4 of furnace roof generally rectangular parallelepiped structure, generally requires setting in the intermediate region of the big packet 4 of furnace roof
Various outlet headers 5, for example, filter outlet header, reheater outlet header, screen again outlet header, shielded outlet header etc.
Deng, and the temperature of outlet header is often relatively high, and therefore, when detecting 4 internal temperature of the big packet of furnace roof, the first temperature sensor
11 and the distance of outlet header 5 should not be too close, in order to avoid the excessive pipe temperature by furnace roof 4 internal vent headers 5 of big packet
It influences.In addition, there is heat transmitting in the side wall and exterior space of the big packet 4 of furnace roof, therefore, if the first temperature sensor 11 and furnace roof
The side wall hypotelorism of big packet 4, equally will receive the influence of ambient temperature, especially when external environment and the big packet 4 of furnace roof
When the temperature difference of internal temperature is larger, the temperature of the first temperature sensor 11 detection is easier to be interfered by ambient temperature.
Therefore, the first temperature sensor 11 is arranged in four vertex of the big packet 4 of furnace roof in the present embodiment, was both avoided
Interference is generated to the first temperature sensor 11 detection environment temperature with ambient temperature, and avoids the high temperature of outlet header to the
One temperature sensor 11 detects environment temperature and generates interference, so that the temperature detected using the first temperature sensor 11 is big as furnace roof
4 interior environment temperatures are wrapped with more reference value.
Optionally, the spacing between the first temperature sensor and the side wall of the big packet of furnace roof is not less than 1m.
It in the actual operation process, can be by each in order to avoid first sensor is influenced by ambient temperature
The position for being greater than 1m apart from the big packet side wall of furnace roof is arranged in one temperature sensor.At the same time it must also be noted that temperature sensor and go out
The minimum distance of mouth header should also be not less than 1m.
Optionally, the apex angle of the big packet of furnace roof and the closest approach of the big packet inner outlet header of furnace roof is arranged in the first temperature sensor
Midpoint, closest approach is the position that apex angle apart from the big packet of furnace roof is nearest on outlet header.
As shown in Fig. 2, because four vertex of the big packet of furnace roof are arranged in the first temperature sensor 11, then being located at outermost
The top of the outlet header 5 of side is inevitable and four apex angles distances recently, at position nearest apart from apex angle on outlet header 5 and
Setting position of the midpoint of apex angle as the first temperature sensor 11, the side of the first temperature sensor 11 and the big packet 4 of furnace roof
Wall distance and the distance of outlet header 5 will not be close, so ensure that the measurement of the first temperature sensor 11 temperature can
By property.
In above-described embodiment, the position of the angle initialization of the first temperature sensor from horizontal direction is illustrated, it is practical at this
In novel another specific embodiment, spacing of first temperature sensor apart from the ground furnace roof great Bao is not less than the big Bao Gaodu of furnace roof
Half.
Preferably, the first temperature sensor can be arranged at the big packet half height of furnace roof.Also avoid first
Interference of the temperature sensor by the temperature of the bottom end furnace roof great Bao and top.
Based on above-mentioned any embodiment, in the another specific embodiment of the utility model, can also further include:
Detect the tube wall temperature measuring equipment of the tube wall temperature of each outlet header in the big packet of furnace roof；
Tube wall temperature measuring equipment is connected with processor, and processor is for judging whether tube wall temperature is lower than default tube wall temperature
Degree, and when tube wall temperature is lower than default tube wall temperature, the signal that the big packet of furnace roof reaches maintenance condition is sent to display device.
Because staff to the maintenance inside the big packet of furnace roof primarily directed to the maintenance of outlet header, whether can be with
The big packet internal components of furnace roof are repaired, the temperature of outlet header is with regard to most important.Therefore, can be arranged on outlet header
Tube wall temperature measuring equipment detects tube wall temperature, and in this, as whether big to furnace roof can wrapping one of the reference factor that repairs.
And after packet big to furnace roof is aerated, the temperature in the speed and external environment of the big packet internal heat dissipating of furnace roof is deposited
In very big connection, whether staff, which can not can enter big packet inside by micro-judgment, is repaired, if when heat dissipation
Between not enough, staff, which enters inside the big packet of furnace roof, there is security risk, if heat dissipation overlong time, lead to maintenance time
It expends too long.
Therefore, setting measures the tube wall temperature measuring equipment of pipe temperature on outlet header in the present embodiment, and as ginseng
Foundation is examined, the maintenance for carrying out the big packet internal part of furnace roof can be accurately determined whether, ensure that the maintenance of staff
Safety, reduces the difficulty that staff controls the big packet internal temperature of furnace roof, ensure that the efficiency of maintenance work.
Optionally, tube wall temperature measuring equipment includes the second temperature sensor of the equidistantly distributed on outlet header.
The tube wall temperature measuring equipment specifically can be the second temperature sensor of fitting outlet header tube wall.Because of outlet collection
The pipeline of case in actual operation, needs to be wrapped up by temperature insulating material, can be in order to obtain more accurate tube wall temperature
Temperature sensor is wrapped in inside temperature insulating material, to obtain more accurate tube wall temperature data.
Also, when second temperature sensor is arranged, in order to obtain more accurate temperature data, in each outlet header
It is distributed with multiple second temperature sensors above, is detected after obtaining multi-group data, is averaged by second temperature sensor
As the corresponding tube wall temperature of the outlet header.
When judging whether enough to reach maintenance condition inside the big packet of furnace roof based on tube wall temperature, it is only necessary to judge each outlet
It is lower than default tube wall temperature threshold value with the presence or absence of more than half in the corresponding pipe temperature of header.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.For being filled disclosed in embodiment
For setting, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part
Explanation.
Claims (7)
1. a kind of system for detecting temperature of the big packet of boiler top characterized by comprising
For detecting the environment temperature measuring equipment of the environment temperature of the big packet of furnace roof；
It is connected with the environment temperature measuring equipment, for judging whether the environment temperature is lower than the processing of preset temperature threshold
Device；
It is connected with the processor, for showing that the furnace roof is big when the environment temperature is lower than the preset temperature threshold
Wrap the display device that can be divulged information.
2. system for detecting temperature as described in claim 1, which is characterized in that the environment temperature measuring equipment is included in rectangular configuration
Four top corner regions wrapping greatly of top one the first temperature sensor is respectively set.
3. system for detecting temperature as claimed in claim 2, which is characterized in that first temperature sensor and the furnace roof are big
Spacing between the side wall of packet is not less than 1m.
4. system for detecting temperature as claimed in claim 2, which is characterized in that first temperature sensor is arranged in the furnace
The midpoint of the closest approach of the apex angle wrapped greatly and the big packet inner outlet header of the furnace roof is pushed up, the closest approach is outlet collection
The nearest position of the apex angle of the big packet of furnace roof described in distance on case.
5. system for detecting temperature as claimed in claim 2, which is characterized in that first temperature sensor is apart from the furnace roof
The spacing on the ground great Bao is not less than the half of the big packet height of the furnace roof.
6. such as system for detecting temperature described in any one of claim 1 to 5, which is characterized in that further include in the detection big packet of furnace roof
The tube wall temperature measuring equipment of the tube wall temperature of each outlet header；
The tube wall temperature measuring equipment is connected with the processor, and processor is default for judging whether the tube wall temperature is lower than
Tube wall temperature, and when the tube wall temperature is lower than the default tube wall temperature, it is big that Xiang Suoshu display device sends the furnace roof
Packet reaches the signal of maintenance condition.
7. system for detecting temperature as claimed in claim 6, which is characterized in that the tube wall temperature measuring equipment is included in the outlet
The second temperature sensor of equidistantly distributed in header.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821726304.6U CN208765856U (en) | 2018-10-24 | 2018-10-24 | A kind of system for detecting temperature of the big packet of boiler top |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821726304.6U CN208765856U (en) | 2018-10-24 | 2018-10-24 | A kind of system for detecting temperature of the big packet of boiler top |
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| Publication Number | Publication Date |
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| CN208765856U true CN208765856U (en) | 2019-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821726304.6U Active CN208765856U (en) | 2018-10-24 | 2018-10-24 | A kind of system for detecting temperature of the big packet of boiler top |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186787A (en) * | 2018-10-24 | 2019-01-11 | 河南华润电力首阳山有限公司 | A kind of system for detecting temperature and method of the big packet of boiler top |
-
2018
- 2018-10-24 CN CN201821726304.6U patent/CN208765856U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186787A (en) * | 2018-10-24 | 2019-01-11 | 河南华润电力首阳山有限公司 | A kind of system for detecting temperature and method of the big packet of boiler top |
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