CN220302256U - Air exhaust and exchange system for basic platform - Google Patents
Air exhaust and exchange system for basic platform Download PDFInfo
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- CN220302256U CN220302256U CN202322137761.9U CN202322137761U CN220302256U CN 220302256 U CN220302256 U CN 220302256U CN 202322137761 U CN202322137761 U CN 202322137761U CN 220302256 U CN220302256 U CN 220302256U
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 86
- 238000009423 ventilation Methods 0.000 claims abstract description 20
- 238000010992 reflux Methods 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 6
- 208000002925 dental caries Diseases 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The air exhaust and air exchange system used by the basic platform comprises an exhaust fan (4), a methane exhaust pipe (5), a methane exhaust port (6), an air inlet pipe (7), an air inlet port (8), an air filter (9), a reflux plate (10), a methane suction pipe (11) and an air outlet port (12). According to the utility model, biogas in the foundation platform pile body (2) is discharged out of the foundation platform tower drum, and air is supplemented into the foundation platform pile body (2) through the air inlet pipe, so that the condition that the concentration of the biogas in the foundation platform pile body (2) is too high is prevented, the air discharge and ventilation of the foundation platform pile body (2) are realized, and the potential safety hazard is reduced.
Description
Technical Field
The utility model relates to the technical field of wind power foundation platforms, in particular to an exhaust and ventilation system for a foundation platform.
Background
The wind generating set is a system for converting the kinetic energy of wind into electric energy, the working principle of the wind generating set is simple, the wind wheel rotates under the action of wind force, the wind generating set converts the kinetic energy of wind into the mechanical energy of a wind wheel shaft, and the generator rotates to generate electricity under the driving of the wind wheel shaft.
The foundation platform pile body is a foundation of the wind driven generator foundation platform tower, the whole foundation platform tower is in a sealed state basically, the air fluidity is poor, the methane concentration in the foundation platform tower is easy to exceed the standard, and a large potential safety hazard exists.
In view of the above, the present utility model provides an exhaust and ventilation system for a basic platform, which aims to solve the problems and improve the practical value by the technology.
Disclosure of Invention
The utility model aims to provide an exhaust and air exchange system for a basic platform, which aims to solve the problems and the shortcomings in the background technology.
In order to achieve the purpose, the utility model provides an air exhaust and exchange system for a basic platform, which is achieved by the following specific technical means:
an exhaust and ventilation system for a foundation platform comprises a foundation platform tower cylinder 1 positioned at the top and a foundation platform pile body 2 positioned at the bottom, wherein the connection part of the foundation platform tower cylinder 1 and the foundation platform pile body 2 is formed by welding; a division plate 3 is welded in the joint of the foundation platform tower 1 and the foundation platform pile body 2; the exhaust and ventilation system comprises an exhaust fan 4, a biogas exhaust pipe 5, a biogas exhaust port 6, an air inlet pipe 7, an air inlet port 8, an air filter 9, a reflux plate 10, a biogas suction pipe 11 and an air outlet port 12; wherein:
the top of the partition plate 3 is provided with an exhaust fan 4 through bolts, an air inlet of the exhaust fan 4 is connected with a biogas suction pipe 11, the biogas suction pipe 11 penetrates through the partition plate 3, and the bottom of the biogas suction pipe 11 stretches into the pile body 2 of the foundation platform;
the gas outlet of the exhaust fan 4 is connected with a methane exhaust pipe 5, the top of the methane exhaust pipe 5 penetrates through the foundation platform tower 1 and extends to the outside of the foundation platform tower 1, the tail end of the methane exhaust pipe 5 is provided with a methane exhaust port 6, and the methane exhaust port 6 is connected with an external methane collecting device through an external pipeline;
the whole air inlet pipe 7 is in a number 7 shape; the front part of the air inlet pipe 7 penetrates through the basic platform tower 1 and extends to the outside of the basic platform tower 1, an air filter 9 is arranged at the front end of the air inlet pipe 7, and an air inlet 8 is arranged at the front end of the air filter 9; the rear part of the air inlet pipe 7 penetrates through the partition plate 3, and an air outlet 12 at the tail end of the air inlet pipe 7 extends into the pile body 2 of the foundation platform;
the inside welding of foundation platform pile body 2 is provided with a vertical form backward flow board 10, and the backward flow board 10 is divided into two cavitys with foundation platform pile body 2, and one is the biogas suction cavity that biogas suction pipe 11 is located, and another is the air inlet cavity that air outlet 12 is located, and biogas suction cavity and the top in air inlet cavity communicate each other.
Optimizing: the air inlet pipe 7 is in threaded connection with the air filter 9, and the air inlet 8 is in threaded connection with the air filter 9; a coarse filter screen 901 is arranged on the side of the air filter 9 close to the air inlet 8, and a fine filter screen 902 is arranged on the side of the air filter 9 close to the air inlet pipe 7.
Optimizing: the exhaust fan 4 is an axial flow exhaust fan or a turbine exhaust fan; the pipe diameters of the air outlet and the air inlet of the exhaust fan 4 are 114mm.
Optimizing: the air outlet 12 at the tail end of the air inlet pipe 7 is positioned at the bottom of the air inlet cavity of the foundation platform pile body 2, and the bottom end of the air outlet 12 is 10-20cm away from the bottom surface of the air inlet cavity; the biogas suction port at the tail end of the biogas suction pipe 11 is positioned at the top of the biogas suction cavity of the foundation platform pile body 2, and the bottom end of the biogas suction port is 50-60cm away from the top surface of the biogas suction cavity.
Optimizing: the bottom and the two outer side parts of the reflux plate 10 are welded with the bottom and the two inner side parts of the foundation platform pile body 2, and the top of the reflux plate 10 is 25 cm to 30cm away from the top surface of the biogas suction cavity.
Optimizing: the inside of the foundation platform pile body 2 is provided with a methane sensor, and the model of the methane sensor is 50 Vol.+ -. F3-043507-05000 methane sensor or 100 Vol.+ -. F3-043108-05000 methane sensor.
Optimizing: the outside of the basic platform tower 1 is provided with a PLC intelligent control system, the biogas sensor is electrically connected with the PLC intelligent control system, and the exhaust fan 4 is electrically connected with the PLC intelligent control system.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the biogas in the foundation platform pile body 2 is discharged out of the foundation platform tower drum through the exhaust fan, and air is supplemented into the foundation platform pile body 2 through the air inlet pipe, so that the too high concentration of the biogas in the foundation platform pile body 2 is prevented, the air exhaust and ventilation of the foundation platform pile body 2 are realized, and the potential safety hazard is reduced.
2. By arranging the biogas sensor and the PLC intelligent control system, the utility model can automatically prevent the too high concentration of biogas in the foundation platform pile body 2, realize the ventilation of the foundation platform pile body 2, reduce the potential safety hazard, and effectively solve the problems and the defects in the prior device.
3. One end of the air inlet pipe is fixedly provided with an air filter, and the air filter has a filtering effect on air entering the pile body 2 of the foundation platform.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the external structure of a basic platform of the utility model after an exhaust and ventilation system is installed;
FIG. 2 is a schematic diagram of the internal structure of a basic platform after an exhaust and ventilation system is installed;
FIG. 3 is a schematic diagram of a pipeline of the exhaust and ventilation system of the present utility model;
fig. 4 is a schematic view of the structure of the air filter 9 according to the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Meanwhile, in the description of the present utility model, unless explicitly stated and defined otherwise, the terms "connected", "connected" and "connected" should be interpreted broadly, and for example, may be fixedly connected, detachably connected, or integrally connected; the mechanical connection and the electrical connection can be adopted; can be directly connected or indirectly connected through an intermediate medium. 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.
Example 1
The wind exhausting and exchanging system is used for a foundation platform, the foundation platform comprises a foundation platform tower cylinder 1 positioned at the top and a foundation platform pile body 2 positioned at the bottom, and the connection part of the foundation platform tower cylinder 1 and the foundation platform pile body 2 is formed by welding; a division plate 3 is welded in the joint of the foundation platform tower 1 and the foundation platform pile body 2; the exhaust and ventilation system comprises an exhaust fan 4, a biogas exhaust pipe 5, a biogas exhaust port 6, an air inlet pipe 7, an air inlet port 8, an air filter 9, a reflux plate 10, a biogas suction pipe 11 and an air outlet port 12.
The top of the partition plate 3 is provided with an exhaust fan 4 through bolts, and the exhaust fan 4 is an axial flow exhaust fan or a turbine exhaust fan. The pipe diameters of the pipe orifices of the air outlet and the air inlet of the exhaust fan 4 are 114mm, the power of the exhaust fan 4 is about 1kW, and the exhaust capacity is about 400-600m 3 And/h. The corrosion resistance level of the exhaust fan 4 is C5, and the exhaust fan has an explosion-proof function.
The air inlet of the exhaust fan 4 is connected with a biogas suction pipe 11, the biogas suction pipe 11 penetrates through the partition plate 3, and the bottom of the biogas suction pipe 11 stretches into the pile body 2 of the foundation platform.
The gas outlet of the exhaust fan 4 is connected with a methane exhaust pipe 5, the top of the methane exhaust pipe 5 penetrates through the foundation platform tower 1 and extends to the outside of the foundation platform tower 1, the tail end of the methane exhaust pipe 5 is provided with a methane exhaust port 6, and the methane exhaust port 6 is connected with an external methane collecting device through an external pipeline. If the biogas outlet 6 is directly communicated with the outside air, the distance between the biogas outlet 6 and the air inlet 8 should be larger than 1 meter, so as to prevent the biogas discharged from the biogas outlet 6 from being sucked into the interior of the foundation platform pile body 2 again through the air inlet 8
The whole air inlet pipe 7 is in a number 7 shape; the front portion of the air inlet pipe 7 penetrates through the foundation platform tower 1 and extends to the outside of the foundation platform tower 1, an air filter 9 is arranged at the front end of the air inlet pipe 7, and an air inlet 8 is formed at the front end of the air filter 9.
The air inlet pipe 7 is in threaded connection with the air filter 9, and the air inlet 8 is in threaded connection with the air filter 9; a coarse filter screen 901 is arranged on one side of the air filter 9 close to the air inlet 8, and a fine filter screen 902 is arranged on one side of the air filter 9 close to the air inlet pipe 7; after the service time of the coarse filter screen 901 and the fine filter screen 902 reaches the requirement, the air filter 9 can be detached from the air inlet 8 and the air inlet pipe 7, and the coarse filter screen 901 and the fine filter screen 902 are remounted after being washed by a high-pressure water gun, or the coarse filter screen 901 and the fine filter screen 902 are directly replaced with new ones.
The rear part of the air inlet pipe 7 penetrates through the partition plate 3, and an air outlet 12 at the tail end of the air inlet pipe 7 extends into the pile body 2 of the foundation platform.
The inside welding of foundation platform pile body 2 is provided with a vertical form backward flow board 10, and backward flow board 10 cuts apart foundation platform pile body 2 into two cavitys, and one is the biogas suction cavity that biogas suction pipe 11 is located, and another is the air inlet cavity that air outlet 12 is located, and the bottom and the two lateral parts of backward flow board 10 all with foundation platform pile body 2's bottom and two medial part welded connection, the top of backward flow board 10 is apart from the top surface 25-30cm in biogas suction cavity, and biogas suction cavity and the top in air inlet cavity communicate each other.
Because the main component of the biogas is methane, the density of fresh air is higher than that of the biogas, an air outlet 12 at the tail end of the air inlet pipe 7 is positioned at the bottom of the air inlet cavity of the foundation platform pile body 2, and the bottom end of the air outlet 12 is 10-20cm away from the bottom surface of the air inlet cavity, so that the fresh air can be deposited at the bottom of the air inlet cavity of the foundation platform pile body 2, and the biogas is extruded to the top of the air inlet cavity and is introduced into the biogas suction cavity.
Meanwhile, as the main component of the biogas is methane, the density of the biogas is lower than that of fresh air, a biogas suction opening at the tail end of a biogas suction pipe 11 is positioned at the top of a biogas suction cavity of the foundation platform pile body 2, the bottom end of the biogas suction opening is 50-60cm away from the top surface of the biogas suction cavity, and the biogas in the biogas suction cavity is gathered at the top and is discharged to the outside of the foundation platform tower 1 through the biogas suction pipe 11 and an exhaust fan 4.
Working principle of air exhaust and exchange system used by basic platform:
the staff is according to experience, timely opening exhaust fan 4, and through exhaust fan 4 with the marsh gas pump drainage in the basic platform pile body 2 outside the basic platform tower section of thick bamboo 1, simultaneously, because produce negative pressure in the basic platform pile body 2, automatic supplementary air in to the basic platform pile body 2 through advance air pipe 7, prevent that the marsh gas concentration is too high in the basic platform pile body 2, realized the ventilation of airing exhaust of basic platform pile body 2, reduced the potential safety hazard.
Example 2
Based on the embodiment 1, a methane sensor is arranged in the foundation platform pile body 2.
Based on embodiment 1, the outside of basic platform tower 1 is provided with PLC intelligent control system, and marsh gas sensor electric connection is in PLC intelligent control system, and exhaust fan 4 electric connection is in PLC intelligent control system. The PLC intelligent control system can monitor the concentration of the biogas in the foundation platform pile body 2 according to the biogas sensor, and is used for controlling the opening and closing of the exhaust fan in time, and the opening time duration and the opening time interval are determined according to the concentration condition of the biogas in the foundation platform pile body 2.
Working principle of air exhaust and exchange system used by basic platform:
the staff sets up the upper limit value and the lower limit value that the marsh gas sensor monitored according to experience.
When the concentration of the biogas in the foundation platform pile body 2 reaches an upper limit value, the PLC intelligent control system automatically starts the exhaust fan 4, the biogas in the foundation platform pile body 2 is pumped and discharged out of the foundation platform tower drum 1 through the exhaust fan 4, and meanwhile, negative pressure is generated in the foundation platform pile body 2, so that air is automatically supplemented into the foundation platform pile body 2 through the air inlet pipe 7.
When the concentration of the methane in the pile body 2 of the foundation platform reaches a lower limit value, the PLC intelligent control system automatically closes the exhaust fan 4.
Through the setting of marsh gas sensor and PLC intelligent control system, marsh gas concentration is too high in the basic platform pile body 2 that can be automatic prevent, realized the ventilation of airing exhaust of basic platform pile body 2, reduce the potential safety hazard to the effectual problem and the not enough that appear in the current device of having solved.
The model of the biogas sensor can be 50Vol of Shimey F3-043507-05000 biogas sensor or 100Vol of Shimey F3-043108-05000 biogas sensor. The PLC intelligent control system can select a Siemens series PLC controller.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An exhaust and ventilation system for a foundation platform comprises a foundation platform tower cylinder (1) positioned at the top and a foundation platform pile body (2) positioned at the bottom, wherein the connection part of the foundation platform tower cylinder (1) and the foundation platform pile body (2) is formed by welding; a partition plate (3) is welded in the joint of the foundation platform tower (1) and the foundation platform pile body (2); the method is characterized in that: the exhaust and air exchange system comprises an exhaust fan (4), a methane exhaust pipe (5), a methane exhaust port (6), an air inlet pipe (7), an air inlet port (8), an air filter (9), a reflux plate (10), a methane suction pipe (11) and an air outlet port (12); wherein:
the top of the partition plate (3) is provided with an exhaust fan (4) through bolts, an air inlet of the exhaust fan (4) is connected with a biogas suction pipe (11), the biogas suction pipe (11) penetrates through the partition plate (3) and the bottom of the biogas suction pipe (11) stretches into the pile body (2) of the foundation platform;
the gas outlet of the exhaust fan (4) is connected with a methane exhaust pipe (5), the top of the methane exhaust pipe (5) penetrates through the foundation platform tower (1) and extends to the outside of the foundation platform tower (1), the tail end of the methane exhaust pipe (5) is provided with a methane exhaust port (6), and the methane exhaust port (6) is connected with an external methane collecting device through an external pipeline;
the whole air inlet pipe (7) is in a number 7 shape; the front part of the air inlet pipe (7) penetrates through the foundation platform tower (1) and extends to the outside of the foundation platform tower (1), an air filter (9) is arranged at the front end of the air inlet pipe (7), and an air inlet (8) is formed at the front end of the air filter (9); the rear part of the air inlet pipe (7) penetrates through the partition plate (3), and an air outlet (12) at the tail end of the air inlet pipe (7) extends into the pile body (2) of the foundation platform;
the inside welding of foundation platform pile body (2) is provided with a vertical form backward flow board (10), backward flow board (10) are cut apart foundation platform pile body (2) into two cavitys, and one is the biogas suction cavity that biogas suction pipe (11) is located, and another is the air inlet cavity that air outlet (12) is located, biogas suction cavity with the top in air inlet cavity is mutual UNICOM.
2. An exhaust ventilation system for use with a base platform as claimed in claim 1, wherein: the air inlet pipe (7) is in threaded connection with the air filter (9), and the air inlet (8) is in threaded connection with the air filter (9); a coarse filter screen (901) is arranged on one side, close to the air inlet (8), of the air filter (9), and a fine filter screen (902) is arranged on one side, close to the air inlet pipe (7), of the air filter (9).
3. An exhaust ventilation system for use with a base platform as claimed in claim 1, wherein: the exhaust fan (4) is an axial flow exhaust fan or a turbine exhaust fan; the pipe orifice diameters of the air outlet and the air inlet of the exhaust fan (4) are 114mm.
4. An exhaust ventilation system for use with a base platform as claimed in claim 1, wherein: an air outlet (12) at the tail end of the air inlet pipe (7) is positioned at the bottom of the air inlet cavity of the foundation platform pile body (2), and the bottom end of the air outlet (12) is 10-20cm away from the bottom surface of the air inlet cavity; the biogas suction port at the tail end of the biogas suction pipe (11) is positioned at the top of the biogas suction cavity of the foundation platform pile body (2), and the bottom end of the biogas suction port is 50-60cm away from the top surface of the biogas suction cavity.
5. An exhaust ventilation system for use with a base platform as claimed in claim 1, wherein: the bottom and two outer side parts of the reflux plate (10) are welded with the bottom and two inner side parts of the foundation platform pile body (2), and the top of the reflux plate (10) is 25-30cm away from the top surface of the biogas suction cavity.
6. An exhaust ventilation system for use with a base platform as claimed in claim 1, wherein: the inside of the foundation platform pile body (2) is provided with a methane sensor, and the model of the methane sensor is 50Vol of Shimaige F3-043507-05000 methane sensor or 100Vol of Shimaige F3-043108-05000 methane sensor.
7. An exhaust ventilation system for use with a base platform as claimed in claim 6, wherein: the outside of the basic platform tower cylinder (1) is provided with a PLC intelligent control system, the biogas sensor is electrically connected with the PLC intelligent control system, and the exhaust fan (4) is electrically connected with the PLC intelligent control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322137761.9U CN220302256U (en) | 2023-08-10 | 2023-08-10 | Air exhaust and exchange system for basic platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322137761.9U CN220302256U (en) | 2023-08-10 | 2023-08-10 | Air exhaust and exchange system for basic platform |
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| Publication Number | Publication Date |
|---|---|
| CN220302256U true CN220302256U (en) | 2024-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202322137761.9U Active CN220302256U (en) | 2023-08-10 | 2023-08-10 | Air exhaust and exchange system for basic platform |
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|---|---|
| CN (1) | CN220302256U (en) |
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2023
- 2023-08-10 CN CN202322137761.9U patent/CN220302256U/en active Active
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