CN219494137U - Power station boiler cleaning device - Google Patents
Power station boiler cleaning device Download PDFInfo
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- CN219494137U CN219494137U CN202320194115.3U CN202320194115U CN219494137U CN 219494137 U CN219494137 U CN 219494137U CN 202320194115 U CN202320194115 U CN 202320194115U CN 219494137 U CN219494137 U CN 219494137U
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Abstract
The utility model relates to a power station boiler cleaning device, comprising: the cleaning mechanism comprises a blowing piece, the detection equipment comprises a detection probe, a detection channel and a detection system, the detection probe is electrically connected with the detection system and is respectively fixed at two ends of the detection channel, and one end of the detection channel provided with the detection probe is positioned in the cleaning port; the purging piece is screwed on a detection channel between the detection probe and the detection system, and is arranged at one end, close to the detection probe, of the detection system; the purging piece is screwed on the detection channel relatively to the detection system and close to the detection probe, so that the detection probe is effectively decoked and deashed, and detection information misalignment caused by the influence of coking and ash accumulation on the detection probe is avoided; the detection stability and accuracy of the detection equipment are further improved; and through the cooperation of sweeping the piece, can also effectively avoid examining and be in the regional large tracts of land coking or the grey condition that appears that detects of survey probe, provide the guarantee for the normal production operation of boiler.
Description
Technical Field
The utility model relates to the technical field of power station boilers, in particular to a power station boiler cleaning device.
Background
Along with the development of large-capacity high-parameter boiler and continuous decline of domestic electric coal grade, the boiler generally has the problems of coking and ash deposition; when the boiler is coked and ash deposited, the heat absorption of the heating surface of the pipe is not uniform easily, local overtemperature can occur, the service life of the pipe is further influenced, sudden furnace shutdown can occur under severe conditions, the benefits of enterprises are directly influenced, and huge economic losses are caused for the production and operation of the enterprises.
At present, a means of decoking a boiler mainly utilizes detection equipment to monitor a position of the boiler where coking or ash deposition occurs, and cleans and purges the position of the boiler where the coking or ash deposition occurs according to monitoring information; however, in the actual operation process, the detection equipment is wrapped or blocked by ash, coke and the like, so that the detection equipment is unstable in monitoring, the monitoring information is distorted, and the development of the decoking and ash removing work is not facilitated.
Disclosure of Invention
The technical problem to be solved by the utility model is to overcome the defect that detection equipment in the boiler in the prior art is affected by coking and dust accumulation to detect distortion, so as to provide a power station boiler cleaning device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a utility boiler cleaning device for decoking and deashing the check out test set up in the boiler clearance mouth, includes: a sweeping mechanism comprising a sweeping member,
the detection equipment comprises a detection probe, a detection channel and a detection system,
the detection probes are electrically connected with the detection system and are respectively fixed at two ends of the detection channel, and one end of the detection channel, provided with the detection probes, is positioned in the cleaning port;
the purging piece is screwed on a detection channel between the detection probe and the detection system, and is arranged close to one end of the detection probe relative to the detection system.
Preferably, the purge piece comprises a plurality of swirl plates, and an axial included angle between each swirl plate and the detection channel is 30-60 degrees.
Preferably, the detection channel comprises a first channel and a second channel,
the tail end of the first channel is communicated with the head end of the second channel;
the detection probe is arranged at the head end of the first channel, and the purging piece is screwed on the outer surface of the first channel and purges towards the direction of the detection probe;
the detection system is disposed at an end of the second channel.
Preferably, the sweeping mechanism further comprises a sweeping part and a sweeping pipeline,
the purging part is provided with a purging channel, one end of the purging pipeline is communicated with the purging channel, the other end of the purging pipeline is communicated with the air supply equipment,
the side, facing the cleaning port, of the purging part is also provided with an exhaust port communicated with the purging channel, and the purging part is positioned between the exhaust port and the detection probe;
the purging part is also provided with a through hole, the purging channel is circumferentially arranged around the through hole,
the first channel is disposed through the via.
Preferably, the purging part is further provided with an anti-wear member, and the anti-wear member is circumferentially and fixedly arranged in the through hole and located between the purging part and the outer surface of the first channel.
Preferably, the cleaning mechanism also comprises a decoking agent tank and an adjusting component, the decoking agent tank is provided with a discharge port and a feeding port which are communicated with the inside,
the purging pipeline is provided with a mixing port, the discharge port is communicated with the mixing port,
the regulating assembly comprises a first regulating valve,
the first regulating valve is communicated between the mixing port and the discharging port.
Preferably, the mixing port is a venturi structure.
Preferably, the regulating assembly further comprises a second regulating valve communicating on a purge line between the air supply device and the purge.
Preferably, the regulating assembly further comprises a pressure detection device fixedly arranged on the purge line,
the pressure detection device comprises a pressure gauge.
Preferably, the system further comprises a DCS system, and the adjusting component is in signal connection with the DCS system.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a utility boiler cleaning device,
1. the purging piece is screwed on the detection channel relatively to the detection system and close to the detection probe, so that the detection probe is effectively decoked and deashed, and detection information misalignment caused by the influence of coking and ash accumulation on the detection probe is avoided; the detection stability and accuracy of the detection equipment are further improved;
2. the purging member can be matched and installed on the original basis of the equipment, the operation is simple and easy to implement, and the redesign and modification are not needed, so that a large amount of manufacturing cost is saved;
3. through the cooperation of sweeping the piece, can also effectively avoid examining and be in the regional large tracts of land coking or the dust condition that appears that detects of detecting probe, provide the guarantee for the normal production operation of boiler.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the overall structure of a utility boiler cleaning device according to an embodiment of the present utility model.
Fig. 2 is a schematic view of the purge member shown in fig. 1 from another perspective.
Reference numerals illustrate:
1. a boiler; 2. a purge passage; 3. a purge; 4. an abrasion-proof member; 5. a pressure detection device; 6. purging the pipeline; 7. a mixing port; 8. a second regulating valve; 9. a detection channel; 91. a first channel; 92. a second channel; 10. a first regulating valve; 11. removing Jiao Jiguan; 12. a material adding port; 13. a detection probe; 14. a flange; 15. cleaning the mouth; 16. a detection system.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In recent years, the high-voltage and ultra-high-voltage technology of China is continuously developed, and the status of domestic power enterprises is continuously increased; however, while the electric power technology is developed, some problems exist; especially for large boilers 1, coal combustion is mainly used as a main energy obtaining mode, a large amount of coal ash and oxides are generated after coal combustion, so that the phenomena of ash accumulation and coking occur in the operation process of the boiler 1, and when the phenomena of ash accumulation and coking occur in a large amount, the operation of the boiler 1 is influenced, and the operation of power enterprises is influenced; in the prior art, a detection device is arranged at a position where coking and dust accumulation occur in a boiler 1, and the position where the coking and the dust accumulation occur in the boiler 1 is cleaned according to detection information of the detection device; however, in the actual operation process, the detection equipment in the boiler 1 is affected by coking and dust accumulation, and erroneous judgment occurs.
Based on this, an embodiment of the present utility model provides a power station boiler cleaning device, which is mainly used for decoking and deashing detection equipment set in a cleaning port 15 of a boiler 1, as shown in fig. 1 and 2, and includes: the cleaning mechanism comprises a purging piece 3; the detection equipment comprises a detection probe 13, a detection channel 9 and a detection system 16; the detection probe 13 is used for detecting and sensing the coking and ash deposition conditions in the boiler 1, the detection system 16 is used for processing information detected by the detection probe 13 and judging the coking and ash deposition conditions according to the detection information, and the detection channel 9 is used for connecting and installing the detection probe 13 and the detection system 16; specifically, the detection probes 13 are electrically connected with the inspection system and are respectively fixed at two ends of the detection channel 9; and for the convenience of detection, one end of the detection channel 9 provided with the detection probe 13 is positioned in the cleaning port 15; more specifically, the purge member 3 is screwed on the detection channel 9 between the detection probe 13 and the detection system 16, and in order to avoid the influence of coking and dust accumulation on the detection probe 13, the purge member 3 is disposed at one end, close to the detection probe 13, of the detection system 16.
The purging member 3 is screwed on one end of the detection channel 9, which is close to the detection probe 13 relative to the detection system 16; when the detection equipment operates, the detection probe 13 detects coking and ash accumulation conditions in the boiler 1 through the cleaning port 15; because the temperature in the boiler 1 is greatly improved under the influence of smoke exhaust when the boiler 1 is coked or ash deposited in a large area, in the embodiment, the selected detection equipment is an infrared temperature measuring device, correspondingly, the detection probe 13 is an infrared temperature measuring probe, and the detection system 16 is an infrared temperature measuring system; detecting the temperature in the boiler 1 through the detection probe 13, synchronizing the detected temperature information to the detection system 16, and then judging the detection information of the detection probe 13 by the detection system 16; if the temperature rises, the condition of coking and ash accumulation in the boiler 1 is described, and at the moment, the purging member 3 is started to clean and purge the detection probe 13 so as to avoid the occurrence of coking and ash accumulation of the detection probe 13; and the purging member 3 purges and cleans the detection probe 13 and simultaneously cleans the positions where coking and ash accumulation occur in the area detected by the detection probe 13.
The purging piece is screwed on the detection channel relatively to the detection system and close to the detection probe, so that the detection probe is effectively decoked and deashed, and detection information misalignment caused by the influence of coking and ash accumulation on the detection probe is avoided; the detection stability and accuracy of the detection equipment are further improved; the purging member can be matched and installed on the original basis of the equipment, the operation is simple and easy to implement, and the redesign and modification are not needed, so that a large amount of manufacturing cost is saved; through the cooperation of sweeping the piece, can also effectively avoid examining and be in the regional large tracts of land coking or the dust condition that appears that detects of detecting probe, provide the guarantee for the normal production operation of boiler.
Specifically, in order to improve the decoking and ash cleaning effects of the detection probe 13, the purge piece 3 is composed of a plurality of cyclone sheets; swirl is formed by rotation of the swirl plate, and the detection probe 13 and the part where coking or dust accumulation occurs in the area detected by the detection probe 13 are subjected to strong blowing; preferably, the axial included angle between each cyclone sheet and the detection channel 9 is 30-60 degrees, so as to avoid dead angles in the purging process.
In order to facilitate use and installation, the detection channel 9 comprises a first channel 91 and a second channel 92, specifically, the tail end of the first channel 91 is communicated with the head end of the second channel 92, the detection probe 13 is arranged at the head end of the first channel 91, the purging member 3 is screwed on the outer surface of the first channel 91 and purges towards the direction of the detection probe 13, the detection system 16 is arranged at the tail end of the second channel 92, and the detection probe 13 and the detection system 16 transmit detection information through the first channel 91 and the second channel 92 which are connected with each other; and the detection probe 13 and the detection system 16 may be connected by wired or wireless means: if a wired connection mode is adopted, a data line connected between the detection probe 13 and the detection system 16 penetrates through the first channel 91 and the second channel 92; if a wireless connection mode is adopted, a shielding layer is further arranged in the first channel 91 and the second channel 92, so that interference of external signals on signal transmission between the detection probe 13 and the detection system is avoided; in addition, in order to facilitate the assembly of the first channel 91 and the second channel 92, a flange 14 is generally provided at the end of the first channel 91 and the head end of the second channel 92, and at the same time, the flange 14 facilitates maintenance of the interconnected detection probe 13 and detection system 16 during use.
Preferably, in order to ensure the normal operation of the sweeping work, the sweeping mechanism further comprises a sweeping part and a sweeping pipeline 6; wherein, the purging part is provided with a purging channel 2, one end of a purging pipeline 6 is communicated with the purging channel 2, the other end is communicated with air supply equipment, one side of the purging part facing the cleaning port 15 is also provided with an exhaust port communicated with the purging channel 2, and the purging member 3 is positioned between the exhaust port and the detection probe 13; specifically, compressed air generated by the air supply device flows into the purging part through the purging pipeline 6, then the compressed air entering the purging part is discharged from the air outlet, and then the purging part 3 is driven, and a rotational flow is formed under the action of the purging part 3 and blown to the detection probe 13.
Further, in order to facilitate the installation cooperation between the detection channel 9 and the purging portion, a through hole is further formed in the purging portion, the purging channel 2 is circumferentially arranged around the through hole, and the first channel 91 is arranged to penetrate through the through hole, so that the mutual interference between the through hole and the purging channel 2 in the decoking or ash cleaning process of the detection probe 13 of the boiler 1 is avoided.
Preferably, in order to ensure the normal operation of the detection device, an anti-wear member 4 is also provided at the junction of the detection channel 9 and the purge portion; specifically, the anti-wear member 4 is circumferentially and fixedly arranged in the via hole and is used for separating the detection channel 9 from the purging portion so as to avoid abrasion caused by long-time contact between the detection channel 9 and the purging portion, and then insufficient compressed air in the purging portion or influence on detection precision of the detection equipment is caused; specifically, the wear-resistant member 4 is made of wear-resistant ceramic.
Further, in order to facilitate the decoking operation, the cleaning mechanism further comprises a decoking agent tank 11; and the decoking agent tank 11 is used for containing a decoking agent for decoking; specifically, a discharging port and a charging port 12 communicated with the inside are arranged on the decoking agent tank 11, and a mixing port 7 is also arranged on the purging pipeline 6; wherein, the discharge port is communicated with the mixing port 7 and is used for conveying the decoking agent to the purging pipeline 6; and the feed port 12 is used for adding the decoking agent by staff when the decoking agent in the decoking agent tank is insufficient.
In order to facilitate the control of the flow rate of the decoking agent in the decoking agent tank, the cleaning mechanism is also provided with an adjusting component, and the adjusting component comprises a first adjusting valve 10, specifically, the first adjusting valve 10 is communicated between the mixing port 7 and the discharge port, namely, the flow rate of the decoking agent in the decoking agent tank is controlled through the valve opening of the first adjusting valve 10; preferably, for better mixing and atomization of the decoking agent during decoking, the mixing port 7 on the purge line 6 is of venturi configuration so that the decoking agent creates a negative pressure during the compressed air purge.
Specifically, the adjusting assembly further comprises a second adjusting valve 8, and the second adjusting valve 8 is communicated with the purging pipeline 6 between the air supply device and the purging part and is used for controlling the compressed air flow rate delivered by the air supply device to the purging pipeline 6; in order to complete the decoking and ash cleaning work of different degrees according to the actual production requirement, a pressure detection device 5 is also arranged on the purging pipeline 6.
Preferably, in order to realize automatic adjustment in the decoking and ash cleaning process, the device further comprises a DCS system, wherein the DCS system is in signal connection with the adjusting component, namely, the first adjusting valve 10, the second adjusting valve 8 and the pressure detecting device 5 are in signal connection with the DCS system, and the first adjusting valve 10, the second adjusting valve 8 and the pressure detecting device 5 are adjusted through instructions sent by the DCS system; therefore, the first regulator valve 10, the second regulator valve 8 may preferably be a solenoid valve or the like, and the pressure detecting device 5 may preferably be a pressure sensor or the like.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (10)
1. A utility boiler cleaning device for to the check out test set up in the boiler clearance mouth decoking and the deashing, its characterized in that includes: a sweeping mechanism comprising a sweeping member,
the detection equipment comprises a detection probe, a detection channel and a detection system,
the detection probes are electrically connected with the detection system and are respectively fixed at two ends of the detection channel, and one end of the detection channel, provided with the detection probes, is positioned in the cleaning port;
the purging piece is screwed on a detection channel between the detection probe and the detection system, and is arranged close to one end of the detection probe relative to the detection system.
2. The cleaning apparatus of claim 1, wherein the purge element comprises a plurality of swirl vanes, and each of the swirl vanes is disposed at an axial angle of 30 ° to 60 ° to the detection channel.
3. The cleaning apparatus of claim 1, wherein the detection channel comprises a first channel and a second channel,
the tail end of the first channel is communicated with the head end of the second channel;
the detection probe is arranged at the head end of the first channel, and the purging piece is screwed on the outer surface of the first channel and purges towards the direction of the detection probe;
the detection system is disposed at an end of the second channel.
4. The sweeping device of claim 1, wherein the sweeping mechanism further comprises a sweeping portion and a sweeping pipe,
the purging part is provided with a purging channel, one end of the purging pipeline is communicated with the purging channel, the other end of the purging pipeline is communicated with the air supply equipment,
the side, facing the cleaning port, of the purging part is also provided with an exhaust port communicated with the purging channel, and the purging part is positioned between the exhaust port and the detection probe;
the purging part is also provided with a through hole, the purging channel is circumferentially arranged around the through hole,
the detection channel penetrates through the via hole.
5. The cleaning apparatus of claim 4, wherein the purge portion is further provided with an anti-wear member fixedly disposed circumferentially within the via and between the purge portion and an outer surface of the detection channel.
6. The cleaning device according to claim 4, wherein the cleaning mechanism further comprises a decoking agent tank and an adjusting component, the decoking agent tank is provided with a discharge port and a charging port which are communicated with the inside,
the purging pipeline is provided with a mixing port, the discharge port is communicated with the mixing port,
the regulating assembly comprises a first regulating valve,
the first regulating valve is communicated between the mixing port and the discharging port.
7. The cleaning apparatus of claim 6, wherein the mixing port is a venturi structure.
8. The cleaning apparatus of claim 6, wherein the adjustment assembly further comprises a second adjustment valve in communication with the purge line between the air supply and purge.
9. The cleaning apparatus of claim 6, wherein the adjustment assembly further comprises a pressure sensing device fixedly disposed on the purge line,
the pressure detection device comprises a pressure gauge.
10. The cleaning apparatus of claim 6, further comprising a DCS system, wherein the adjustment assembly is in signal connection with the DCS system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320194115.3U CN219494137U (en) | 2023-01-31 | 2023-01-31 | Power station boiler cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320194115.3U CN219494137U (en) | 2023-01-31 | 2023-01-31 | Power station boiler cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219494137U true CN219494137U (en) | 2023-08-08 |
Family
ID=87479121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320194115.3U Active CN219494137U (en) | 2023-01-31 | 2023-01-31 | Power station boiler cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219494137U (en) |
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2023
- 2023-01-31 CN CN202320194115.3U patent/CN219494137U/en active Active
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