CN112901040A - Dust explosion venting system for industrial and mining - Google Patents
Dust explosion venting system for industrial and mining Download PDFInfo
- Publication number
- CN112901040A CN112901040A CN201911220929.4A CN201911220929A CN112901040A CN 112901040 A CN112901040 A CN 112901040A CN 201911220929 A CN201911220929 A CN 201911220929A CN 112901040 A CN112901040 A CN 112901040A
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- Prior art keywords
- explosion venting
- explosion
- dust
- window
- space
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/12—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against air pressure, explosion, or gas
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C4/00—Flame traps allowing passage of gas but not of flame or explosion wave
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The embodiment of the invention discloses an industrial and mining dust explosion venting system, which comprises an explosion venting window, a flame extinguishing component and a fire extinguishing component, wherein an explosion venting space is formed in the explosion venting window; the flame-retardant component consists of a plurality of layers of stainless steel metal mesh wires with different apertures; the fire extinguishing assembly comprises a water storage tank, a high-pressure plunger pump, a single water pipe, a plurality of water spraying pipes and a spray head; the water storage tank is installed and is let out and explode the window lower extreme, the one end of high pressure plunger pump is passed through the single water pipe and is connected with the water storage tank, the other end is connected with the shower nozzle through many spray pipes, the shower nozzle is fixed to be set up and is let out and explode the window inner wall, and the water spray direction of shower nozzle is let out and explode in the space, can realize the complete capture function to deflagration flame, absorb inside explosion energy, effectively reduce deflagration temperature, but can not influence ambient temperature, and be detained the dust that deflagration produced, avoid the dust to leak and cause environmental pollution, eliminate during latent harmful substance gets into the environment, personnel around the protective apparatus, equipment and building are not thre.
Description
Technical Field
The invention relates to the technical field of deflagration explosion venting, in particular to a dust explosion venting system for industrial and mining.
Background
Industrial and mining enterprises can discharge a lot of dust pollutants in the production process, and the dust pollutants are important components of PM2.5 like VOCs.
The sources of dust are: the device comprises a loading pit, crushing and screening equipment, a bulk material storage place, a dust removal and ash discharge point, ore crushing, material transportation, transferring, loading and unloading, road dust raising and the like. The industrial dust in the links is mainly emitted in an unorganized emission mode, and due to the lack of effective sealing measures and the irregular emission into the atmospheric environment, the unorganized emission dust enters the atmosphere to form PM2, 5 fine particles and flying dust, so that dust pollution is caused, and the environment and the human health are affected.
However, when a building (e.g., a factory building or other relatively closed space) is exposed to a deflagration, the following problems still exist:
after the building is subjected to deflagration, the temperature of the surrounding environment can be rapidly increased, and the requirement of the surrounding temperature change after deflagration and deflagration cannot be controlled by the fireproof deflagration venting window; moreover, after deflagration occurs, the fireproof explosion venting window realizes the explosion venting function through explosion, at the moment, the fireproof explosion venting window is broken, dust generated by deflagration easily leaks into the external environment through an outlet generated by breaking the fireproof explosion venting window, and the requirement that the internal dust can not be effectively prevented from entering the external environment can not be met; the fire-proof explosion venting window only has the functions of pressure relief and explosion venting, and cannot meet the requirement of releasing high pressure to protect surrounding personnel and equipment.
Disclosure of Invention
Therefore, the invention provides a dust explosion venting system for industrial and mining, which is used for solving the problems that in the prior art, a fireproof explosion venting window cannot control the requirement of surrounding temperature change after explosion venting, and dust generated by deflagration is easy to leak to the external environment through an outlet generated by crushing the fireproof explosion venting window through the combined use of a flame extinguishing component consisting of a plurality of layers of stainless steel metal mesh wires with different apertures and a fire extinguishing component.
In order to achieve the above object, an embodiment of the present invention provides the following: in an embodiment of the invention, the dust explosion venting system for industrial and mining comprises an explosion venting window, a flame extinction assembly and a fire extinguishing assembly, wherein the flame extinction assembly is arranged on the inner wall of the explosion venting window, an explosion venting space is formed in the explosion venting window, the flame extinction assembly is arranged on the side part of the explosion venting space, the fire extinguishing assembly is connected with the explosion venting space, and the fire extinguishing assembly is arranged at the lower end of the explosion venting window.
The flame retarding component consists of a plurality of layers of stainless steel metal mesh wires with different apertures.
The first layer of the flame extinction component is provided with a dust filter screen between the stainless steel metal mesh wire and the explosion venting space, and the dust filter screen is arranged on the side surface of the stainless steel metal mesh wire.
In one embodiment of the invention, the aperture size of the stainless steel metal mesh wire is gradually reduced from the explosion venting space to the side wall of the explosion venting window.
In another embodiment of the invention, a plurality of explosion-proof plates are arranged on the side wall of the explosion venting window, a protective screen plate with an Contraband-shaped structure is arranged on the outer side of each explosion-proof plate, and a pressure reduction space is formed between each protective screen plate and each explosion-proof plate.
In yet another embodiment of the invention, the fire suppression assembly includes a reservoir, a high pressure plunger pump, a single water line, multiple water jets, and a spray head; the water storage tank is arranged at the lower end of the explosion venting window, one end of the high-pressure plunger pump is connected with the water storage tank through the single water pipe, the other end of the high-pressure plunger pump is connected with the spray head through the multiple water spray pipes, the spray head is fixedly arranged on the explosion venting window, and the water spray direction of the spray head faces to the inside of the explosion venting space.
In yet another embodiment of the present invention, the side wall of the multiple spray pipe is provided with a plurality of nozzles connected to the spray head, and the number of the spray head is at least 4.
According to the embodiment of the invention, the dust explosion venting device has the following advantages:
according to the invention, by using the flame retarding component and the fire extinguishing component which are composed of a plurality of layers of stainless steel metal mesh wires with different apertures in a combined manner, the complete capture function of deflagration flame can be realized, meanwhile, the internal explosion energy can be absorbed, the deflagration temperature can be effectively reduced, but the ambient temperature can not be influenced, dust generated by deflagration can be retained, the environmental pollution caused by the leakage of the dust can be avoided, and the potential harmful substances can be eliminated from entering the environment; by means of the flame-extinguishing assembly, the strong pressure generated by explosion can be reduced to a safe value, and personnel, equipment and buildings around the equipment are protected from the pressure of explosion.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a left side view structural diagram of the present invention.
In the figure:
1-explosion venting window; 2-a flame-arresting component; 3-a fire extinguishing assembly; 4-explosion venting space; 5-stainless steel metal mesh; 6-dust filter screen; 7-explosion-proof plate; 8-protecting the screen plate; 9-decompression space;
301-a water reservoir; 302-high pressure plunger pump; 303-single water pipe; 304-multiple spray pipes; 305-spray head.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description only, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship therebetween may be regarded as the scope of the present invention without substantial changes in the technical contents.
As shown in fig. 1 and 2, the invention provides an industrial and mining dust explosion venting system, which is used for venting explosion of equipment containers installed in buildings or production workshops, is particularly applied and installed in the explosion-proof field of dust collectors, bucket elevators, dryers, ovens, grinders and chemical process containers, and can realize an explosion venting function after explosion occurs, so that the harm caused by explosion is minimized, the peak value of explosion pressure is effectively buffered, personnel, equipment and buildings around the equipment are protected from the pressure threat of explosion, and meanwhile, the dust pollution caused by explosion is reduced.
Specifically including letting out and exploding window 1, flame and hinder subassembly 2 and the subassembly 3 of putting out a fire, flame hinders subassembly 2 and sets up let out and explode 1 inner wall of window, let out and explode 1 internal formation of window and let out and explode space 4, flame hinders subassembly 2 and is in let out and explode the lateral part in space 4, put out a fire subassembly 3 with let out and explode the space 4 and connect, just put out a fire subassembly 3 sets up let out and explode 1 lower extreme of window.
The flame extinguishing assembly 2 consists of a plurality of layers of stainless steel metal mesh wires 5 with different apertures, so that the high pressure generated by explosion can be reduced to a safe value, and the flame generated by explosion can be captured and extinguished.
Subassembly 3 puts out a fire is based on water cooling principle, can effectively eliminate deflagration flame, simultaneously under the effect of water, can catch the dust of burning or complete combustion not for the dust is detained totally, avoids deflagration dust to spread in the external environment, causes dust pollution serious, effectively reduces deflagration temperature, nevertheless can not influence ambient temperature, and the explosion takes place the back, can make ambient temperature can not rise almost.
The fire extinguishing assembly 3 comprises a water storage tank 301, a high-pressure plunger pump 302, a single water pipe 303, a plurality of spray pipes 304 and spray heads 305; the water storage tank 301 is installed at the lower end of the explosion venting window 1, one end of the high-pressure plunger pump 302 is connected with the water storage tank 301 through the single water pipe 303, the other end of the high-pressure plunger pump is connected with the spray head 305 through the multiple water spray pipes 304, the spray head 305 is fixedly arranged on the inner wall of the explosion venting window 1, and the water spray direction of the spray head 305 faces to the inside of the explosion venting space 4.
Shower nozzle 305 evenly sets up on letting out explode 1 inner wall of window, can the omnidirectional cool down and combine with the dust, reaches the dust and detains the purpose.
After the spark detector detects sparks, under the control of the controller, water in the water storage tank 301 reaches the high-pressure plunger pump 302 along the single water pipe 303, under the pressurization effect of the high-pressure plunger pump 302, water mist particles are formed along the multiple water spray pipes 304 through the atomizing nozzles 305 and are diffused in the explosion venting space 4, and the continuously generated water mist is evaporated and combined with deflagration dust, so that the purposes of cooling and dust removal are achieved.
In an embodiment of the dust explosion venting device, the aperture size of the stainless steel metal mesh wire 5 is gradually reduced from the explosion venting space 4 to the side wall of the explosion venting window 1, compared with the traditional metal mesh wire with a single-layer structure, the intensity of the flame extinguishing component 2 is increased, the flame extinguishing performance is greatly enhanced, and the stainless steel metal mesh wire 5 gradually reduced from the explosion venting space 4 to the side wall of the explosion venting window 1 gradually reduces the flame until the flame is extinguished.
In one embodiment of the dust explosion venting device, a dust filter screen 6 is arranged between the stainless steel metal mesh 5 and the explosion venting space 4 of the flame extinction component 2, the dust filter screen 6 is arranged on the side surface of the stainless steel metal mesh 5, and the dust filter screen 6 can block deflagration dust, so that the dust is retained in the explosion venting space as much as possible, and the dust is greatly reduced from leaking.
In an embodiment of the dust explosion venting device, a plurality of explosion-proof plates 7 playing a key role in reducing and eliminating explosion pressure are arranged on the side wall of the explosion venting window 1, a protection screen plate 8 in a structure of 'Contraband' is arranged on the outer side of each explosion-proof plate 7, a pressure reduction space 9 used for increasing space and buffering pressure is formed between each protection screen plate 8 and each explosion-proof plate 7, and the arrangement of the protection screen plate 8 is used for blocking explosive fragments generated during explosion by realizing the explosion venting function of each explosion-proof plate 7, so that the explosive fragments are prevented from splashing randomly and injuring personnel.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (5)
1. The utility model provides a dust is let out and is exploded system for industrial and mining which characterized in that: the fire extinguishing device comprises an explosion venting window (1), a flame extinguishing component (2) and a fire extinguishing component (3), wherein the flame extinguishing component (2) is arranged on the inner wall of the explosion venting window (1), an explosion venting space (4) is formed in the explosion venting window (1), the flame extinguishing component (2) is arranged on the side part of the explosion venting space (4), the fire extinguishing component (3) is connected with the explosion venting space (4), and the fire extinguishing component (3) is arranged at the lower end of the explosion venting window (1);
the flame retardant component (2) is composed of a plurality of layers of stainless steel metal mesh wires (5) with different apertures;
the first layer of flame retardant subassembly (2) stainless steel wire netting (5) with it explodes to let out is provided with dust filter screen (6) between space (4), dust filter screen (6) set up the side surface of stainless steel wire netting (5).
2. The industrial and mining dust explosion venting system according to claim 1, characterized in that: the aperture size of the stainless steel metal mesh (5) is gradually reduced from the explosion venting space (4) to the side wall of the explosion venting window (1).
3. The industrial and mining dust explosion venting system according to claim 1, characterized in that: a plurality of explosion-proof plates (7) are arranged on the side wall of the explosion venting window (1), a protective screen plate (8) of an Contraband-shaped structure is arranged on the outer side of each explosion-proof plate (7), and a pressure reduction space (9) is formed between each protective screen plate (8) and each explosion-proof plate (7).
4. The industrial and mining dust explosion venting system according to claim 1, characterized in that: the fire extinguishing assembly (3) comprises a water storage tank (301), a high-pressure plunger pump (302), a single water pipe (303), a multi-water-spraying pipe (304) and a spray head (305); the water storage tank (301) is installed at the lower end of the explosion venting window (1), one end of the high-pressure plunger pump (302) is connected with the water storage tank (301) through the single water pipe (303), the other end of the high-pressure plunger pump is connected with the spray head (305) through the multiple water spray pipes (304), the spray head (305) is fixedly arranged on the explosion venting window (1), and the water spray direction of the spray head (305) faces to the inside of the explosion venting space (4).
5. The industrial and mining dust explosion venting system according to claim 4, wherein: the side wall of the multi-spray pipe (304) is provided with a plurality of spray nozzles connected with the spray head (305), and the number of the spray heads is at least 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911220929.4A CN112901040A (en) | 2019-12-03 | 2019-12-03 | Dust explosion venting system for industrial and mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911220929.4A CN112901040A (en) | 2019-12-03 | 2019-12-03 | Dust explosion venting system for industrial and mining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112901040A true CN112901040A (en) | 2021-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911220929.4A Pending CN112901040A (en) | 2019-12-03 | 2019-12-03 | Dust explosion venting system for industrial and mining |
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| Country | Link |
|---|---|
| CN (1) | CN112901040A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115814306A (en) * | 2022-12-30 | 2023-03-21 | 郑州中泰安科粉体科技有限公司 | Fan-shaped flameless discharge device |
-
2019
- 2019-12-03 CN CN201911220929.4A patent/CN112901040A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115814306A (en) * | 2022-12-30 | 2023-03-21 | 郑州中泰安科粉体科技有限公司 | Fan-shaped flameless discharge device |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210604 |
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| WD01 | Invention patent application deemed withdrawn after publication |