CN220633555U - Explosion-proof dust suppression safety device of semi-closed dry coal shed - Google Patents
Explosion-proof dust suppression safety device of semi-closed dry coal shed Download PDFInfo
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- CN220633555U CN220633555U CN202320652714.5U CN202320652714U CN220633555U CN 220633555 U CN220633555 U CN 220633555U CN 202320652714 U CN202320652714 U CN 202320652714U CN 220633555 U CN220633555 U CN 220633555U
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- dry coal
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- water pipe
- coal shed
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- 239000003245 coal Substances 0.000 title claims abstract description 82
- 239000000428 dust Substances 0.000 title claims abstract description 30
- 230000001629 suppression Effects 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 238000005507 spraying Methods 0.000 claims abstract description 24
- 238000004891 communication Methods 0.000 claims abstract description 7
- 238000000889 atomisation Methods 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 4
- 239000008399 tap water Substances 0.000 claims description 3
- 235000020679 tap water Nutrition 0.000 claims description 3
- 239000002817 coal dust Substances 0.000 abstract description 10
- 238000004880 explosion Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 4
- 206010035653 pneumoconiosis Diseases 0.000 abstract description 4
- 238000007667 floating Methods 0.000 abstract description 3
- 239000000843 powder Substances 0.000 description 9
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses an explosion-proof dust suppression safety device of a semi-closed dry coal shed, which comprises: the device comprises an atomization nozzle, a water pipe connecting pipe, a spraying water tank, a booster pump and a power supply assembly; the atomizing nozzles are respectively arranged on the water pipe connecting pipes and communicated with the water pipe connecting pipes, and are arranged at the top of the semi-closed dry coal shed through the water pipe connecting pipes; one end of the water pipe connecting pipe is communicated with the spraying water tank, and a booster pump is arranged at the communication part of the water pipe connecting pipe and the spraying water tank and is electrically connected with the power supply assembly. The method can effectively reduce the concentration of coal dust in air and the air temperature in the dry coal shed, increase the air humidity, enable the concentration of coal dust in the air to be lower than the limit value of coal dust explosion, avoid the occurrence of coal dust explosion accidents of the dry coal shed, improve the operation environment of the dry coal shed, well protect the health of field personnel, reduce the probability of pneumoconiosis, effectively prevent part of dust from floating in the air through the entrance of a coal piling area, pollute the air and improve the surrounding environment of the dry coal shed.
Description
Technical Field
The utility model relates to the technical field of coal yard environmental protection and fire control, in particular to an explosion-proof dust suppression safety device of a semi-closed dry coal shed.
Background
In order to obtain kinetic energy in the operation process of the coal-fired unit, fuel needs to be continuously added into the boiler so as to produce high-pressure steam to drive the steam turbine to rotate, and the purpose of generating electricity in the process of cutting magnetic lines of force is achieved. The coal used in the coal-fired unit is mainly coal, and the coal consumption is generally stored for 15-20 days in order to prevent special and emergency situations and ensure the normal operation of production. At present, coal dust is usually stored in an arch-shaped semi-closed dry coal shed, and a large amount of dust is generated by the coal dust in the dry coal shed under the conditions of coal unloading, coal piling by a forklift, discharging, blowing in the air and the like, and part of the dust is suspended in the semi-closed dry coal shed due to the semi-closed dry coal shed, so that the working environment of the dry coal shed is deteriorated, the physical health of staff such as site supervision staff, car unloading staff, drivers and the like is influenced, and pneumoconiosis is easily caused. More serious, when the concentration of coal powder suspended in the dry coal shed is excessively high and reaches the explosion limit range of 150-1500g/m < 3 >, coal powder explosion safety accidents are extremely easy to occur under the condition of encountering open fire, and great potential safety hazards are caused. In addition, part of dust floats in the air through the coal piling area inlet, so that air can be polluted, and the surrounding environment of the dry coal shed is deteriorated.
Therefore, a new solution to the above-mentioned problems is needed for those skilled in the art.
Disclosure of Invention
In order to overcome the problems in the related art, the utility model discloses an explosion-proof dust suppression safety device of a semi-closed dry coal shed, which comprises: the device comprises an atomization nozzle, a water pipe connecting pipe, a spraying water tank, a booster pump and a power supply assembly;
the number of the atomizing nozzles is a plurality, the atomizing nozzles are respectively arranged on the water pipe connecting pipes and are communicated with the water pipe connecting pipes, and the atomizing nozzles are arranged at the top of the semi-closed dry coal shed through the water pipe connecting pipes;
one end of the water pipe connecting pipe is communicated with the spraying water tank, a booster pump is arranged at the communication position of the water pipe connecting pipe and the spraying water tank, and the booster pump is electrically connected with the power supply assembly.
Optionally, the power supply assembly includes: the power supply control box is provided with an intermittent cycle timing switch.
Optionally, a booster pump inlet valve and a booster pump outlet valve are further arranged at the communication part of the water pipe connecting pipe and the spray pool.
Optionally, the top of the semi-closed dry coal shed is provided with an arch steel structure, wherein a water pipe connecting pipe containing the atomizing nozzle is installed on the inner side of the arch steel structure, and the atomizing nozzle is fixed on the arch steel structure through a clamp.
Optionally, the spraying water tank is respectively communicated with the rainwater collecting tank, the coal transporting vehicle cleaning and recycling water tank and the tap water tank.
Optionally, in the plurality of atomizing nozzles, the interval between every two atomizing nozzles is 4 meters.
Optionally, the water pipe connecting pipe is made of tripropylene polypropylene material.
Optionally, the spraying water tank is positioned at the outer side of the semi-closed dry coal shed.
Optionally, the apparatus further includes: the dust concentration detector and the fire-fighting fire detector are respectively arranged inside the semi-closed dry coal shed and are respectively electrically connected with the power supply assembly.
In summary, through the technical scheme disclosed by the utility model, the following beneficial effects can be brought:
(1) The coal powder concentration and the air temperature in the air inside the dry coal shed can be effectively reduced, the air humidity is increased, and the coal powder concentration in the air is lower than the coal powder explosion limit value, so that the requisite condition of coal powder explosion is destroyed, and the coal powder explosion accident of the dry coal shed is avoided;
(2) The working environment of the dry coal shed can be improved, the physical health of workers such as site supervisory personnel, unloading personnel, drivers and the like can be well protected, and the probability of pneumoconiosis is reduced;
(3) Part of dust can be effectively prevented from floating in the air through the coal piling area inlet to pollute the air, and the surrounding environment of the dry coal shed is improved;
(4) The spraying water source adopts a coal unloading area to collect rainwater, and the coal transportation vehicle is cleaned to recycle water and a small amount of tap water, so that the water resource consumption is reduced;
(5) The booster water pump is controlled by intermittent circulation timing switch to realize automatic spraying.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:
FIG. 1 is a schematic diagram of an explosion-proof dust suppression safety device for a semi-closed dry coal shed, according to an exemplary embodiment;
fig. 2 is a schematic structural view of another explosion-proof dust suppression safety device of the semi-closed dry coal shed according to fig. 1.
Detailed Description
The following describes in detail the embodiments of the present disclosure with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.
FIG. 1 is a schematic structural view of an explosion-proof dust suppression safety device for a semi-closed dry coal shed, according to an exemplary embodiment, as shown in FIG. 1, the device comprising: the atomizing nozzle 110, the water pipe connecting pipe 120, the spray pool 130, the booster pump 140 and the power supply assembly 150; the number of the atomizing nozzles 110 is a plurality, the atomizing nozzles are respectively arranged on the water pipe connecting pipes 120 and are communicated with the water pipe connecting pipes 120, and the atomizing nozzles 110 are arranged at the top of the semi-closed dry coal shed 200 through the water pipe connecting pipes 120; one end of the water pipe connection pipe 120 is communicated with the spray water tank 130, and a booster pump 140 is arranged at the communication position of the water pipe connection pipe 120 and the spray water tank 130, and the booster pump 140 is electrically connected with a power supply assembly 150.
Illustratively, the disclosed embodiment uses the water in the spray pond 130 for spraying at the top of the semi-closed dry coal shed 200 by securing the water pipe connection 120 with the atomizer 110 at the top of the semi-closed dry coal shed 200 while the other end of the water pipe connection 120 is positioned in the spray pond 130. It will be appreciated that the water connection pipe 120 is also provided with a booster pump 140, by means of which booster pump 140 the water in the spray basin can be pumped out. The power supply assembly 150 is electrically connected to the booster pump 140 for supplying power to the booster pump 140.
Wherein the water pipe connection pipe 120 is made of tripropylene material. Tripropylene (PP-R) is a pipe material using random copolymer polypropylene as raw material. Compared with the traditional cast iron pipe, galvanized steel pipe, cement pipe and other pipes, the PPR pipe has the advantages of energy conservation, material saving, environmental protection, light weight, high strength, corrosion resistance, smooth inner wall, no scaling and the like, and is widely applied to the building industry, municipal administration, industry and agriculture fields such as building water supply and drainage, urban and rural water supply and drainage, urban fuel gas, electric power and optical cable sheaths, industrial fluid transportation, agricultural irrigation and the like.
Specifically, the power supply assembly 150 includes: a power control box provided with an intermittent cycle timing switch 151.
For example, an intermittent circulation timing switch 151 is added in the booster water pump 140, so that the starting time, the running time and the interval time of single circulation boosting in a period of time can be set according to the factors such as a coal unloading period, weather, temperature, humidity, coal powder concentration, coal powder water content and the like, and automatic spraying is realized.
In addition, a booster pump inlet valve 160 and a booster pump outlet valve 170 are further provided at the place where the water pipe connection pipe 120 communicates with the shower sump 130, for manual operation by a worker when the intermittent circulation timing switch 151 malfunctions or needs to turn on/off the booster pump 140 in case of emergency.
Further, the top of the semi-closed dry coal shed 200 is provided with an arched steel structure, wherein the water pipe connecting pipe 120 containing the atomizing nozzle 110 is installed on the inner side of the arched steel structure, and the atomizing nozzle 120 is fixed on the arched steel structure through a clamp.
Illustratively, the top of the semi-closed dry coal shed 200 is provided with arched steel, and the water pipe connecting pipes 120 containing the atomizing nozzles 110 are installed at the positions of 15 meters from the ground on the inner top of the arched steel structure on the two sides, wherein the interval between every two atomizing nozzles 110 is 4 meters, and the spraying range of each atomizing nozzle 110 is 3-6 meters.
Fig. 2 is a schematic structural view of another explosion-proof dust suppression safety device of the semi-closed dry coal shed according to fig. 1, and the spray water tank 130 is positioned outside the semi-closed dry coal shed. The spray water tank 130 is respectively communicated with the rainwater collecting tank 300, the coal car washing and recycling water tank 400 and the running water tank 500.
Illustratively, the spray water tank 130 is communicated with the rainwater collecting tank 300, the coal transporting vehicle cleaning and recovering water tank 400 and the running water tank 500 for collecting rainwater in the coal unloading area, and the rainwater, the vehicle cleaning and recovering water and a small amount of running water are used as water sources, so that the recycling of wastewater can be realized, and the water resource consumption is greatly reduced.
In addition, the device also comprises: the dust concentration detector and the fire-fighting fire detector are respectively arranged inside the semi-closed dry coal shed and are respectively electrically connected with the power supply component.
The semi-closed dry coal shed is further provided with a dust concentration detector for monitoring dust concentration and a fire detector for monitoring whether fire risks exist in the dry coal shed or not, the dust concentration detector and the fire-fighting fire detector are electrically connected with a power supply assembly, so that when the dust concentration is higher than a preset threshold value or the fire risks exist, the booster water pump is started through the power supply assembly, and the booster water pump is controlled to convey water in the spraying water tank to the water pipe connecting pipe and the atomizing nozzle, so that spraying is achieved.
In summary, the utility model discloses an explosion-proof dust suppression safety device of a semi-closed dry coal shed, which comprises: the device comprises an atomization nozzle, a water pipe connecting pipe, a spraying water tank, a booster pump and a power supply assembly; the atomizing nozzles are respectively arranged on the water pipe connecting pipes and communicated with the water pipe connecting pipes, and are arranged at the top of the semi-closed dry coal shed through the water pipe connecting pipes; one end of the water pipe connecting pipe is communicated with the spraying water tank, and a booster pump is arranged at the communication part of the water pipe connecting pipe and the spraying water tank and is electrically connected with the power supply assembly. The method can effectively reduce the concentration of coal dust in air and the air temperature in the dry coal shed, increase the air humidity, enable the concentration of coal dust in the air to be lower than the limit value of coal dust explosion, avoid the occurrence of coal dust explosion accidents of the dry coal shed, improve the operation environment of the dry coal shed, well protect the health of field personnel, reduce the probability of pneumoconiosis, effectively prevent part of dust from floating in the air through the entrance of a coal piling area, pollute the air and improve the surrounding environment of the dry coal shed.
The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.
In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.
Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.
Claims (7)
1. An explosion-proof dust suppression safety device for a semi-closed dry coal shed, which is characterized by comprising: the device comprises an atomization nozzle, a water pipe connecting pipe, a spraying water tank, a booster pump and a power supply assembly;
the number of the atomizing nozzles is a plurality, the atomizing nozzles are respectively arranged on the water pipe connecting pipes and are communicated with the water pipe connecting pipes, and the atomizing nozzles are arranged at the top of the semi-closed dry coal shed through the water pipe connecting pipes;
one end of the water pipe connecting pipe is communicated with the spraying water tank, a booster pump is arranged at the communication part of the water pipe connecting pipe and the spraying water tank, and the booster pump is electrically connected with the power supply assembly;
the top of the semi-closed dry coal shed is provided with an arch steel structure, wherein a water pipe connecting pipe comprising the atomizing nozzle is arranged on the inner side of the arch steel structure, and the atomizing nozzle is fixed on the arch steel structure through a clamp;
the apparatus further comprises: the dust concentration detector and the fire-fighting fire detector are respectively arranged inside the semi-closed dry coal shed and are respectively electrically connected with the power supply assembly.
2. The explosion-proof dust suppression safety device of a semi-closed dry coal shed as in claim 1, wherein the power supply assembly comprises: the power supply control box is provided with an intermittent cycle timing switch.
3. The explosion-proof dust suppression safety device of the semi-closed dry coal shed according to claim 1, wherein a booster pump inlet valve and a booster pump outlet valve are further arranged at the communication position of the water pipe connecting pipe and the spraying water pool.
4. The explosion-proof dust suppression safety device of the semi-closed dry coal shed according to claim 1, wherein the spraying water tank is respectively communicated with a rainwater collecting tank, a coal transporting vehicle cleaning and recycling water tank and a tap water tank.
5. The explosion-proof dust suppression safety device for a semi-closed dry coal shed according to claim 1, wherein the interval between every two atomizing spray heads in the plurality of atomizing spray heads is 4 meters.
6. The explosion-proof dust suppression safety device for the semi-closed dry coal shed according to claim 1, wherein the water pipe connecting pipe is made of tripropylene material.
7. The explosion-proof dust suppression safety device for the semi-closed dry coal shed according to claim 1, wherein the spraying water tank is positioned on the outer side of the semi-closed dry coal shed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320652714.5U CN220633555U (en) | 2023-03-27 | 2023-03-27 | Explosion-proof dust suppression safety device of semi-closed dry coal shed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320652714.5U CN220633555U (en) | 2023-03-27 | 2023-03-27 | Explosion-proof dust suppression safety device of semi-closed dry coal shed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220633555U true CN220633555U (en) | 2024-03-22 |
Family
ID=90296345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320652714.5U Active CN220633555U (en) | 2023-03-27 | 2023-03-27 | Explosion-proof dust suppression safety device of semi-closed dry coal shed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220633555U (en) |
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2023
- 2023-03-27 CN CN202320652714.5U patent/CN220633555U/en active Active
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