CN219327472U - Hot air blowing condensation preventing device for observation hole of coal feeder - Google Patents
Hot air blowing condensation preventing device for observation hole of coal feeder Download PDFInfo
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- CN219327472U CN219327472U CN202222820339.9U CN202222820339U CN219327472U CN 219327472 U CN219327472 U CN 219327472U CN 202222820339 U CN202222820339 U CN 202222820339U CN 219327472 U CN219327472 U CN 219327472U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model discloses a hot air blowing condensation preventing device for a coal feeder observation hole, which comprises a heat exchanger, a sealed air loop, a condensed water loop and a blowing device, wherein the heat exchanger is respectively connected with the sealed air loop and the condensed water loop, and the blowing device is connected with an air outlet section of the sealed air loop, wherein the heat exchanger is used for converting the waste heat of condensed water in the condensed water loop into sealed air in the sealed air loop; and the purging device is used for purging the observation hole by the sealing wind. Through the device, the observation Kong Ninglou of the coal feeder can be effectively avoided, and the coal dust in the observation hole of the coal feeder can be effectively removed.
Description
Technical Field
The utility model relates to the technical field of coal feeders, in particular to a hot air blowing condensation preventing device for a coal feeder observation hole.
Background
In a coal-fired power plant, a coal feeder is arranged between a raw coal bucket and a coal mill for the purpose of accurately adjusting the coal quantity of the coal mill according to load requirements. The coal feeder is provided with a plurality of observation holes so as to monitor the running condition of the components such as a belt, a cleaning chain and the like in the coal feeder and analyze and judge the quality of the coal, whether the hidden danger of heating exists or not and the like. Therefore, cleaning of the viewing aperture is particularly important.
In the prior art, a cleaning brush is arranged in each observation hole mirror surface of the coal feeder, the brush head faces the mirror surface, and the brush handle is connected with a knob arranged outside the mirror surface. The cleaning mode is to manually rotate the knob to drive the cleaning brush to rotate. This solution has the following problems:
(1) This solution only cleans the dried coal dust adhering to the mirror surface of the observation aperture. When the external moisture of the coal is high or the air is moist to cause observation Kong Ninglou, the moist coal dust can form coal slime or coal slurry on the mirror surface, and at the moment, the rotary cleaning brush is difficult to remove the coal dust, and the dirt of the observation hole can be aggravated.
(2) In this scheme, the brush cleaner can gather in the space of rotating member in the later use of certain time, finer coal dust, makes its jam, be difficult to rotate, influences the use. If cleaning maintenance is needed for the cleaning brush, the coal feeder is stopped and isolated, and the unit operation is regulated to a certain extent.
Therefore, how to provide a device for avoiding condensation of a coal feeder observation hole and purging and removing dry coal dust attached to a mirror surface of the observation hole is a technical problem to be solved by a person skilled in the art.
Disclosure of Invention
The utility model provides a hot air blowing anti-condensation device for a coal feeder observation hole, which is used for solving the technical problems that the coal feeder observation hole is easy to condense and inconvenient to clean coal dust in the prior art.
In order to achieve the aim, the utility model provides a hot air blowing condensation preventing device for a coal feeder observation hole, which comprises a heat exchanger, a sealed air loop, a condensed water loop and a blowing device, wherein the heat exchanger is respectively connected with the sealed air loop and the condensed water loop, the blowing device is connected with an air outlet section of the sealed air loop,
the heat exchanger is used for converting the residual heat of the condensed water in the condensed water loop into seal wind in the seal wind loop;
and the purging device is used for purging the observation hole by the sealing wind.
Preferably, the sealed wind loop comprises a sealed wind pipeline, a first inlet manual door and a first outlet manual door, one end of the first inlet manual door is connected with the sealed wind pipeline, the other end of the first inlet manual door is connected with the first end of the heat exchanger, the second end of the heat exchanger is connected with one end of the first outlet manual door, and the other end of the first outlet manual door is connected to each coal feeder through the sealed wind pipeline.
Preferably, the air conditioner further comprises a bypass manual door, wherein one end of the bypass manual door is connected with one end of the sealing air pipeline and one end of the first inlet manual door in a sharing mode, and the other end of the bypass manual door is connected with the other end of the first outlet manual door and the coal feeder in a sharing mode.
Preferably, the condensate water loop comprises a condensate water pipeline, a condensate water pump, a second inlet manual door, a second outlet manual door and a third outlet manual door, one end of the second inlet manual door is connected with the condensate water pipeline, the other end of the second inlet manual door is connected with one end of the condensate water pump, the other end of the condensate water pump is connected with one end of the second outlet manual door, the other end of the second outlet manual door is connected with the third end of the heat exchanger, the fourth end of the heat exchanger is connected with one end of the third outlet manual door, and the other end of the third outlet manual door is connected with a trench.
Preferably, the water-saving type electric water heater further comprises a condensate water pipeline water-discharging manual door, one end of the condensate water pipeline water-discharging manual door is connected with one end of the condensate water pipeline and one end of the second inlet manual door, and the other end of the condensate water pipeline water-discharging manual door is connected with the trench.
Preferably, the purging device is a sealed air outlet pipe, one end of the sealed air outlet pipe is connected with the sealed air loop, and the other end of the sealed air outlet pipe extends to the observation hole of the coal feeder.
Preferably, the other end of the sealing wind eduction tube extends to the observation hole of the coal feeder, specifically,
the other end of the sealing air eduction tube is arranged along the edge of the upper half part of the observation hole of the coal feeder and is provided with a plurality of air outlet holes.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model discloses a hot air blowing condensation preventing device for a coal feeder observation hole, which comprises a heat exchanger, a sealed air loop, a condensed water loop and a blowing device, wherein the heat exchanger is respectively connected with the sealed air loop and the condensed water loop, and the blowing device is connected with an air outlet section of the sealed air loop, wherein the heat exchanger is used for converting the waste heat of condensed water in the condensed water loop into sealed air in the sealed air loop; and the purging device is used for purging the observation hole by the sealing wind. Through the device, the observation Kong Ninglou of the coal feeder can be effectively avoided, and the coal dust in the observation hole of the coal feeder can be effectively removed.
Drawings
Fig. 1 shows a schematic structural diagram of a hot air blowing condensation preventing device for a coal feeder observation hole according to an embodiment of the present utility model;
fig. 2 shows a schematic diagram of a purging device structure of a hot air purging condensation preventing device for a coal feeder observation hole according to an embodiment of the present utility model;
in the figure, 1, a sealed wind pipeline; 2. a first access manual door; 3. a first outlet manual door; 4. a bypass manual door; 5. each coal feeder; 6. a heat exchanger; 7. a condensed water pipe; 8. a second entry manual door; 9. a condensate pump; 10. a second exit manual door; 11. a third exit manual door; 12. a manual water draining door of the condensed water pipeline; 13. a trench; 14. sealing the wind eduction tube; 15. an air outlet hole; 16. and a coal feeder observation hole.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify 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 therefore should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying 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 one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, 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 terms in this application will be understood by those of ordinary skill in the art in a specific context.
The utility model provides a hot air blowing condensation preventing device for a coal feeder observation hole, which comprises a heat exchanger, a sealed air loop, a condensed water loop and a blowing device, wherein the heat exchanger is respectively connected with the sealed air loop and the condensed water loop, the blowing device is connected with an air outlet section of the sealed air loop,
the heat exchanger is used for converting the residual heat of the condensed water in the condensed water loop into seal wind in the seal wind loop;
and the purging device is used for purging the observation hole by the sealing wind.
In this embodiment, the sealing wind is continuously introduced into the coal feeder during operation, so as to prevent hot wind in the coal mill from flowing back into the coal feeder and damaging the belt of the coal feeder, and meanwhile, in the coal-fired power plant, a non-electric refrigerator is generally configured for providing cold air for central air conditioners in places such as a distribution room and a centralized control room. The condensate water produced after operation of the refrigerator is still at a higher temperature and is typically discharged directly into the trench. The utility model discloses a waste heat and the sealed wind of comdenstion water have effectively solved the coal feeder and have observed the technical problem that hole condensation and coal dust are inconvenient for the clearance, have reduced running cost.
In order to enable sealed wind after heat exchange to effectively enter each coal feeder, in some embodiments of the application, the sealed wind loop comprises a sealed wind pipeline, a first inlet manual door and a first outlet manual door, one end of the first inlet manual door is connected with the sealed wind pipeline, the other end of the first inlet manual door is connected with the first end of the heat exchanger, the second end of the heat exchanger is connected with one end of the first outlet manual door, and the other end of the first outlet manual door is connected to each coal feeder through the sealed wind pipeline.
For normal operation of the device when heat exchange and replacement of the heat exchanger is not required, in some embodiments of the present application, a bypass manual door is further included, one end of which is commonly connected to the sealed air duct and one end of the first inlet manual door, and the other end of which is commonly connected to the other end of the first outlet manual door and the coal feeder.
In order to enable the condensate water to effectively enter the heat exchanger for heat exchange, in some embodiments of the application, the condensate water loop comprises a condensate water pipeline, a condensate water pump, a second inlet manual door, a second outlet manual door and a third outlet manual door, one end of the second inlet manual door is connected with the condensate water pipeline, the other end of the second inlet manual door is connected with one end of the condensate water pump, the other end of the condensate water pump is connected with one end of the second outlet manual door, the other end of the second outlet manual door is connected with the third end of the heat exchanger, the fourth end of the heat exchanger is connected with one end of the third outlet manual door, and the other end of the third outlet manual door is connected with a trench.
For normal operation of the device when heat exchange and replacement of the heat exchanger are not required, in some embodiments of the present application, a condensate line drain manual door is further included, one end of the condensate line drain manual door is commonly connected to one end of the condensate line and one end of the second inlet manual door, and the other end of the condensate line drain manual door is connected to the trench.
For the effectual purging to the feeder observation hole, in some embodiments of this application, the purging device is a seal air extraction pipe, one end of seal air extraction pipe is connected the seal air circuit, the other end of seal air extraction pipe extends to the feeder observation hole.
For better purging of the feeder view port, in some embodiments of the present application, the other end of the seal draft tube extends to the feeder view port and, in particular,
the other end of the sealing air eduction tube is arranged along the edge of the upper half part of the observation hole of the coal feeder and is provided with a plurality of air outlet holes.
The structure and working manner of the hot air blowing condensation preventing device for the observation hole of the coal feeder according to the embodiment of the present application will be described below with reference to fig. 1 and 2:
as shown in fig. 1, the heat exchange part consists of a condensate pump 9, a heat exchanger 6 and related pipelines and valves. The exhaust steam after doing work in the refrigerator is condensed to form condensed water, and the condensed water is pressurized and conveyed to the heat exchanger 6 through the condensed water pump 9 along the condensed water pipeline 7. In the heat exchanger 6, the condensed water exchanges heat with the normal-temperature sealing wind conveyed by the sealing wind pipeline 1, and the temperature of the sealing wind is slightly increased, so that the condensation of a coal feeder observation hole can be prevented, and the safety of a coal feeder belt is not influenced. After heat exchange, condensed water is discharged into a trench 13 through a normally open third outlet manual door 11, and sealing wind is respectively conveyed to each coal feeder 5. The condensed water pipeline 7 is provided with a condensed water pipeline water draining manual door 12 in front of the second inlet manual door 8 to drain water to a trench 13. The sealed air pipeline 1 is provided with a bypass, and the bypass manual door 4 is normally closed. When the heat exchanger 6 needs to be stopped, the bypass manual door 4 is opened, the first inlet manual door 2 and the first outlet manual door 3 are closed, and the normal operation of sealing wind of the coal feeder is ensured; the condensate pipe water draining manual door 12 is opened, and the second inlet manual door 8 and the second outlet manual door 10 are closed to drain condensate into the trench.
In this embodiment, the refrigerator condensate water is used to heat the coal feeder seal wind to reduce operating costs. When the condition of using condensed water to heat sealing wind is not provided, auxiliary steam or other high-temperature steam can be used for dewatering, and a condensed water pump can be omitted from the heat exchange part under the condition.
The sealing wind passes through the heat exchange part and then is conveyed to each coal feeder 5. The sealing air is introduced into the coal feeder for sealing, and a small part of sealing air is introduced into each observation hole 16 for purging through the sealing air outlet pipe 14, the sealing air outlet pipe 14 is arranged along the edge of the upper half part of the observation hole inside the observation holes 16, a plurality of air outlet holes 15 are formed in the sealing air outlet pipe 14, and the sealing air is blown out along the air outlet holes 15 for purging the mirror surfaces of the observation holes 16.
By applying the technical scheme, the hot air blowing condensation preventing device for the observation hole of the coal feeder comprises a heat exchanger, a sealed air loop, a condensed water loop and a blowing device, wherein the heat exchanger is respectively connected with the sealed air loop and the condensed water loop, and the blowing device is connected with an air outlet section of the sealed air loop, wherein the heat exchanger is used for converting the residual heat of condensed water in the condensed water loop into sealed air in the sealed air loop; and the purging device is used for purging the observation hole by the sealing wind. Through the device, the observation Kong Ninglou of the coal feeder can be effectively avoided, and the coal dust in the observation hole of the coal feeder can be effectively removed.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, one of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not drive the essence of the corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (7)
1. The utility model provides a hot air blowing condensation preventing device for a coal feeder observation hole, which is characterized by comprising a heat exchanger, a sealed air loop, a condensed water loop and a blowing device, wherein the heat exchanger is respectively connected with the sealed air loop and the condensed water loop, the blowing device is connected with an air outlet section of the sealed air loop,
the heat exchanger is used for converting the residual heat of the condensed water in the condensed water loop into seal wind in the seal wind loop;
and the purging device is used for purging the observation hole by the sealing wind.
2. The apparatus of claim 1, wherein the sealed air circuit comprises a sealed air duct, a first inlet manual door, and a first outlet manual door, one end of the first inlet manual door is connected to the sealed air duct, the other end of the first inlet manual door is connected to the first end of the heat exchanger, the second end of the heat exchanger is connected to one end of the first outlet manual door, and the other end of the first outlet manual door is connected to each coal feeder through the sealed air duct.
3. The apparatus of claim 2, further comprising a bypass manual door having one end commonly connected to the sealed air duct and one end of the first inlet manual door and the other end commonly connected to the other end of the first outlet manual door and the coal feeder.
4. The apparatus of claim 1, wherein the condensate loop comprises a condensate conduit, a condensate pump, a second inlet manual door, a second outlet manual door, and a third outlet manual door, wherein one end of the second inlet manual door is connected to the condensate conduit, the other end of the second inlet manual door is connected to one end of the condensate pump, the other end of the condensate pump is connected to one end of the second outlet manual door, the other end of the second outlet manual door is connected to the third end of the heat exchanger, the fourth end of the heat exchanger is connected to one end of the third outlet manual door, and the other end of the third outlet manual door is connected to a trench.
5. The apparatus of claim 4, further comprising a condensate conduit drain manual door having one end commonly connected to one end of the condensate conduit and the second inlet manual door, the other end of the condensate conduit drain manual door being connected to the trench.
6. The apparatus of claim 1, wherein the purging device is a seal air extraction tube, one end of the seal air extraction tube is connected to the seal air circuit, and the other end of the seal air extraction tube extends to a coal feeder observation aperture.
7. The device according to claim 6, wherein the other end of the sealing wind outlet pipe extends to a coal feeder observation hole, in particular,
the other end of the sealing air eduction tube is arranged along the edge of the upper half part of the observation hole of the coal feeder and is provided with a plurality of air outlet holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222820339.9U CN219327472U (en) | 2022-10-25 | 2022-10-25 | Hot air blowing condensation preventing device for observation hole of coal feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222820339.9U CN219327472U (en) | 2022-10-25 | 2022-10-25 | Hot air blowing condensation preventing device for observation hole of coal feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219327472U true CN219327472U (en) | 2023-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222820339.9U Active CN219327472U (en) | 2022-10-25 | 2022-10-25 | Hot air blowing condensation preventing device for observation hole of coal feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219327472U (en) |
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2022
- 2022-10-25 CN CN202222820339.9U patent/CN219327472U/en active Active
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