CN220689406U - Basalt fiber grid plate and water spray chamber for performing wind flow cooling test on basalt fiber grid plate - Google Patents
Basalt fiber grid plate and water spray chamber for performing wind flow cooling test on basalt fiber grid plate Download PDFInfo
- Publication number
- CN220689406U CN220689406U CN202322417450.8U CN202322417450U CN220689406U CN 220689406 U CN220689406 U CN 220689406U CN 202322417450 U CN202322417450 U CN 202322417450U CN 220689406 U CN220689406 U CN 220689406U
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- basalt fiber
- grid plate
- fiber grid
- spray chamber
- water spray
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- 229920002748 Basalt fiber Polymers 0.000 title claims abstract description 100
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 239000007921 spray Substances 0.000 title claims abstract description 33
- 238000001816 cooling Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 229910001220 stainless steel Inorganic materials 0.000 claims description 14
- 239000010935 stainless steel Substances 0.000 claims description 13
- 230000001502 supplementing effect Effects 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 13
- 238000005507 spraying Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 5
- 238000005728 strengthening Methods 0.000 abstract description 3
- 230000005012 migration Effects 0.000 abstract 1
- 238000013508 migration Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- -1 generally Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The utility model belongs to the field of spray cooling, and particularly relates to a basalt fiber grid plate and a water spray chamber for performing an air current cooling test on the basalt fiber grid plate. The water spray chamber comprises a transparent panel forming a cuboid space, and a pressure type nozzle, a wind speed sensor, an upwind side temperature and humidity sensor and a downwind side temperature and humidity sensor which are arranged in the cuboid space. During the test, firstly, the basalt fiber grid plate is arranged in the spray chamber, and based on the migration characteristic of spray liquid drop groups, the fog drops flowing out of the pressure type nozzle are sprayed on the surface of the basalt fiber grid plate, and the basalt fiber wire has strong hydrophobicity, so that the water film spreading and gas-liquid heat exchange on the surface of the basalt fiber grid plate are facilitated. Finally, the high Wen Fengliu passes through the basalt fiber grid plate and is discharged, so that the aim of strengthening the heat and humidity process in the water spraying chamber is fulfilled.
Description
Technical Field
The utility model belongs to the field of spray cooling, and particularly relates to a basalt fiber grid plate and a water spray chamber for performing an air current cooling test on the basalt fiber grid plate.
Background
Currently, wet grid plates have a wide range of applications in which the "cool" sensation of high Wen Fengliu across wet grid plates is significantly enhanced while being used as a wet filter.
Regarding the selection aspect of wet type string grating materials, generally, stainless steel wires are used as filtering components, the hydrophilic property of the stainless steel wires enables a water film to form on the string grating for a short time, the spreading rate of the water film is low, the contact time between gas and liquid is short, the heat exchange is insufficient, and the cooling effect of high-temperature wind flow is poor; moreover, because the stainless steel wire does not have good bead hanging performance, the water film forming time is greatly shortened, the water film spreading rate is reduced due to the sliding of the liquid drops when the string grid plate is vertically placed, and obviously, the gas-liquid two-phase heat exchange time is shortened.
Disclosure of Invention
In order to solve the problems mentioned in the background art and make up the defects of the existing wet type grid material, the utility model provides the basalt fiber grid plate which is simple in structure, low in cost and flexible in change and the water spraying chamber for performing the wind flow cooling test on the basalt fiber grid plate, wherein the water spraying chamber can observe and record the temperature and humidity change of wind flow passing through the front and rear parts of the basalt fiber grid plate arranged in the water spraying chamber in real time, namely, the cooling effect of passing through the basalt fiber grid plate is high Wen Fengliu.
The technical scheme for solving the problems is as follows: a string grid plate wound by basalt fiber wires mainly comprises a stainless steel outer frame, two threaded steel pipes, a thin rod and basalt fiber wires.
The first thread steel pipe is internally arranged and connected with the inner concave of the I-steel, and the second thread steel pipe is internally arranged and connected with the inner concave of the opposite side I-steel; the threaded steel pipe is fixed by a hexagonal bolt; the two ends of the thin rod are welded at the middle position of the threaded steel pipe; the basalt fiber wires are tightly wound along equidistant threads, so that the fiber wires are equidistant.
The water spraying chamber is a cuboid space surrounded by a transparent acrylic plate; the upper side and the lower side of the basalt fiber grid plate are provided with pressure type nozzles, and the outflow mode is horizontal spraying; the water spray chamber is provided with an overhaul port, so that basalt fiber grid plates can be conveniently placed, and the size of the overhaul port is determined by the size of the basalt fiber grid plates and the installation position of the basalt fiber grid plates; screw nails can be arranged at two sides of the placing position in the water spraying chamber to clamp I-steel at two sides of the basalt fiber grid plate firmly, so that the basalt fiber grid plate is prevented from being blown down when being influenced by wind current.
The basalt fiber grid plate is placed into a water spray chamber through an overhaul port to perform a gas-liquid heat and humidity transfer process; an air speed sensor is arranged at the air inlet of the water spray chamber, and temperature and humidity sensors are arranged on the upper and lower wind sides of the basalt fiber grid plate.
When the basalt fiber grid plate is tested, firstly, the basalt fiber grid plate is arranged in the spray chamber, the pressure type nozzle is used for outflow atomization based on the transportation characteristic of spray liquid drops, the liquid drops are sprayed on the surface of the basalt fiber grid plate, and the solid-liquid indirect contact angle is increased due to the strong hydrophobicity of basalt fiber filaments, so that the water film spreading among basalt fiber filaments and the gas-liquid heat exchange are facilitated. Then, high-temperature air current which passes through the basalt chord grid plate and exchanges heat is discharged, so that the aim of strengthening cooling is fulfilled.
The utility model has the beneficial effects that: the basalt fiber grid plate uses basalt fiber wires as a grid filter element, replaces stainless steel wires used by original grid plates, and increases the effective spreading area of a water film on the surface of the grid. In addition, a water spraying chamber for performing an air flow cooling test on the basalt fiber grid plate is provided, the basalt fiber grid plate is placed in the water spraying chamber, and temperature and humidity parameters of the basalt fiber grid plate before and after the basalt fiber grid plate is penetrated by high Wen Fengliu are observed and recorded. Changing different basalt fiber grid plate specifications (basalt wire spacing and basalt fiber wire diameter) and adjusting different installation heights of the basalt fiber grid plate specifications, analyzing the influence of the two experimental variables on the cooling effect of the basalt fiber grid plate, and providing a new technical scheme for further optimizing the operation working condition of the mine ventilation cooling device.
Drawings
In order to clearly describe the technical solutions in the examples of the present utility model, the drawings of the examples involved will be briefly described.
FIG. 1 is a schematic view of a sprinkler chamber according to an embodiment of the present utility model.
Fig. 2 is a side view of the location indicated by i in fig. 1.
FIG. 3 is a perspective view of a basalt fiber grid of an embodiment of the utility model.
Fig. 4 is an enlarged view of the position indicated by J in fig. 3.
FIG. 5 is a perspective view of a stainless steel casing in the basalt fiber grid of FIG. 3.
In the figure: 1, a wind speed sensor; 2-basalt fiber grid plate; 21-stainless steel outer frame; 22-hexagonal bolts; 23-threaded steel pipe; 24-thin rod; 25-basalt fiber yarn; 3-pressure type nozzle; 4, an upwind side temperature and humidity sensor; 5, a leeward temperature and humidity sensor; 6-a water replenishing device; 7, screw thread nails; 8-an access opening.
Detailed Description
In order to make the objects, technical solutions and effects of the present utility model clearer and more specific, the present utility model will be described in further detail below by referring to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
When embodiments of the present utility model refer to the ordinal terms "first," "second," etc., it is to be understood that they are merely used for distinguishing between them unless the order of their presentation is indeed dependent on the context.
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.
Fig. 1 and 2 show a spray chamber for performing a wind current cooling test on the basalt fiber grid plate.
The water spray chamber comprises a frame body, a wind speed sensor 1, a pressure type nozzle 3, an upwind side temperature and humidity sensor 4, a downwind side temperature and humidity sensor 5, a water supplementing device 6, a mounting screw nail 7 and an overhaul port 8.
The frame body is built by transparent acrylic plates (transparent panels made of other materials can be adopted), so that a cuboid space is formed. The embodiment is a cube, the cross section dimension is 570×570 (length×width, mm), the top tube wall is provided with an access opening 8, and the dimension is 570×400 (width×height, mm).
The basalt fiber grid plate 2 is transversely arranged in the middle of the cuboid space. Two pressure type nozzles 3 are provided on both sides of the basalt fiber grid 2 (in other embodiments, only one pressure type nozzle 3 may be provided on one side). The pressure type nozzle 3 is connected with the water supplementing device 6, so that water in the water supplementing device 6 is sprayed to the surface of the basalt fiber grid plate through the pressure type nozzle 3. The wind speed sensor 1 is positioned at the air inlet of the water spraying chamber and is used for measuring the height Wen Fengliu entering the cuboid space. The upwind side temperature and humidity sensor 4 and the downwind side temperature and humidity sensor 5 are respectively positioned on the upwind side and the downwind side of the basalt fiber grid plate 2 and are used for measuring real-time temperature and humidity data of the upwind side and the downwind side of the basalt fiber grid plate 2.
Fig. 3 to 5 show the structure of the basalt fiber grid plate of the present embodiment. The basalt fiber grid plate 2 comprises a stainless steel outer frame 21, a hexagonal bolt 22, two threaded steel pipes 23, a thin rod 24 and basalt fiber filaments 25. The stainless steel outer frame 21 is rectangular (as shown in fig. 5), is made of stainless steel, and is sized based on the cross-sectional area of the exhaust duct. The threaded steel pipes 23 are equal in size and equal in thread distance, the width of the threaded grooves is 0.5mm, the distance between adjacent grooves is 0.5mm and 0.75mm, the material is stainless steel, and the pipe diameter of the round pipe is not more than 5cm. The fiber yarn is made of basalt fiber, the diameter of a single basalt fiber yarn 25 is 0.5mm, and the fiber yarn has the characteristics of 900 ℃ resistance, flame retardance, hydrophobicity and the like.
When the steel tube is manufactured, the protective shell for covering the threaded steel tube 23 is taken down, the threaded steel tube 23 is internally arranged in the I-shaped steel inner concave part at one side and connected with the I-shaped steel inner concave part at the opposite side; the threaded steel pipe 23 is fixed by a hexagonal bolt 22. The two ends of the thin rod 24 are welded at the middle position of the threaded steel pipe. At this time, the I-steel on both sides can be dismantled. And then transversely placing the basalt fiber grid plate 2, tying basalt fiber wires 25 at one end of the threaded steel pipe 23, and winding the straightened basalt fiber wires 25 at the same end of the other threaded steel pipe 23, wherein the straightened basalt fiber wires are wound at equal intervals along the thread trend, so that the purpose that the basalt fiber wires 25 rebound to reach resonance after sinking after being weighted is ensured (only part of basalt fiber wires are drawn in fig. 3 and 4). After winding, the two sides are fixed by waterproof glue, so that the integral loosening of the basalt fiber grid plate caused by the breakage of one basalt fiber yarn 25 is prevented.
Before the test, basalt fiber grid plate 2 is put into the spray chamber from the overhaul port 8 (when the basalt fiber grid plate is put into the spray chamber, the basalt fiber grid plate is rotated by 90 degrees in the figure 3, and the top side I-steel is put forward from the upper part of the spray chamber in the figure 1). Screw 7 parallel mount is in the spray chamber lateral wall, is convenient for with basalt fiber grid tray 2 stable horizontal in the spray chamber inside to be difficult for being driven under the influence of high Wen Fengliu impact. The wind speed sensor 1 is arranged at the upwind section of the pressure type nozzle 3, and the temperature and humidity sensors 4 and 5 are respectively arranged at the upwind side and the downwind side of the placing position of the basalt fiber grid plate 2, so that the temperature and humidity change condition of the basalt fiber grid plate 2 before and after the basalt fiber grid plate 2 is penetrated by high Wen Fengliu can be observed conveniently, and the reinforcement of the basalt fiber grid plate 2 in the hot and humid process in the water spray chamber is more visually embodied.
The specific test procedure of this example is as follows.
First, when the basalt fiber grid plate 2 is used, the exhaust pipe overhauling port 8 is opened, the basalt fiber grid plate 2 is pushed into the water spraying chamber, and the position of the basalt fiber grid plate 2 is fixed by screwing the screw 7.
Then, the access opening 8 is closed, and after the high Wen Fengliu enters the exhaust duct, the wind flow inlet wind speed is measured by the wind speed sensor 1.
Then, the water supplementing device 6 is started, the pressure type nozzle 3 horizontally flows, liquid drops are broken under the influence of wind current disturbance to cause secondary atomization, mist drops are sprayed to the surface of the basalt fiber grid plate 2 to form a water film, and as basalt fiber filaments 25 are hydrophobic materials, free energy between solid phases and liquid phases is increased, so that the contact angle of the liquid drops is increased along with the water film, and compared with the original wet type grid plate water film, the filling rate of the liquid drops is higher. Further, the high Wen Fengliu and the water film generate convective heat exchange, and the temperature and humidity sensors 4 and 5 are used for reading the temperature and humidity real-time data of the upper wind side and the lower wind side of the basalt fiber grid plate.
In addition, the specification of different basalt fiber grid plates 2 is replaced, the different installation positions of the basalt fiber grid plates in the water spraying chamber are adjusted, and the influence of the two experimental variables on the basalt fiber grid plate strengthening heat and humidity process is analyzed.
The above description of one embodiment provided in connection with the specific content does not set forth limitation to the specific implementation of the present utility model, and is not limited to the above designations but is not limited to english designations due to the different industry designations. The method, structure, etc. similar to or identical to those of the present utility model, or some technical deductions or substitutions are made on the premise of the inventive concept, should be regarded as the protection scope of the present utility model.
Claims (9)
1. The basalt fiber grid plate is characterized by comprising a stainless steel outer frame (21), two threaded steel pipes (23) and basalt fiber wires, wherein the two threaded steel pipes (23) are fixed on two opposite sides of the stainless steel outer frame (21), and the basalt fiber wires are tightly wound along equidistant threads of the two threaded steel pipes (23) so that the basalt fiber wires form the grid plate equidistantly.
2. The basalt fiber grid of claim 1, wherein: the screw thread steel pipe also comprises a thin rod (24), and the thin rod (24) is welded between the two screw thread steel pipes (23).
3. The basalt fiber grid of claim 1, wherein: the stainless steel outer frame (21) is fixed with the position of the threaded steel pipe (23) through a hexagonal bolt (22).
4. The basalt fiber grid of claim 1, wherein: the outside of each threaded steel pipe (23) is provided with waterproof glue for adhering and fixing basalt fiber wires on the threaded steel pipes (23).
5. A water spray chamber for performing a wind flow cooling test on the basalt fiber grid plate according to any one of claims 1 to 4, wherein the water spray chamber comprises a transparent panel forming a cuboid space, and a pressure type nozzle, a wind speed sensor, an upwind side temperature and humidity sensor and a downwind side temperature and humidity sensor which are positioned in the cuboid space; the basalt fiber grid plate is transversely arranged in the middle of the cuboid space, the pressure type nozzle is positioned at one side of the basalt fiber grid plate, and the pressure type nozzle is connected with the water supplementing device, so that water in the water supplementing device is sprayed to the surface of the basalt fiber grid plate through the pressure type nozzle; the wind speed sensor is positioned at the air inlet of the water spray chamber and is used for measuring the height Wen Fengliu entering the cuboid space; the upwind side temperature and humidity sensor and the downwind side temperature and humidity sensor are respectively positioned on the upwind side and the downwind side of the basalt fiber grid plate and are used for measuring real-time temperature and humidity data of the upwind side and the downwind side of the basalt fiber grid plate.
6. The spray chamber of claim 5, wherein: the transparent panel is a transparent acrylic plate.
7. The spray chamber of claim 5, wherein: the water spray chamber is provided with an access hole capable of placing the basalt fiber grid plate into the water spray chamber.
8. The spray chamber of claim 7, wherein: two sides of the water spray chamber are provided with a plurality of screw nails (7) which are used for stably and transversely arranging the basalt fiber grid plate in the water spray chamber.
9. The spray chamber of claim 5, wherein: the two pressure type nozzles are respectively arranged at two sides of the basalt fiber grid plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322417450.8U CN220689406U (en) | 2023-09-06 | 2023-09-06 | Basalt fiber grid plate and water spray chamber for performing wind flow cooling test on basalt fiber grid plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322417450.8U CN220689406U (en) | 2023-09-06 | 2023-09-06 | Basalt fiber grid plate and water spray chamber for performing wind flow cooling test on basalt fiber grid plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220689406U true CN220689406U (en) | 2024-03-29 |
Family
ID=90411664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322417450.8U Active CN220689406U (en) | 2023-09-06 | 2023-09-06 | Basalt fiber grid plate and water spray chamber for performing wind flow cooling test on basalt fiber grid plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220689406U (en) |
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2023
- 2023-09-06 CN CN202322417450.8U patent/CN220689406U/en active Active
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