CN113368437A - Automatic fire extinguishing ball and refilling method thereof - Google Patents
Automatic fire extinguishing ball and refilling method thereof Download PDFInfo
- Publication number
- CN113368437A CN113368437A CN202110455837.5A CN202110455837A CN113368437A CN 113368437 A CN113368437 A CN 113368437A CN 202110455837 A CN202110455837 A CN 202110455837A CN 113368437 A CN113368437 A CN 113368437A
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- fire extinguishing
- spherical shell
- automatic fire
- extinguishing ball
- filling
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C19/00—Hand fire-extinguishers in which the extinguishing substance is expelled by an explosion; Exploding containers thrown into the fire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B65/00—Details peculiar to packaging machines and not otherwise provided for; Arrangements of such details
Abstract
The invention relates to an automatic fire extinguishing ball and a reloading method thereof, belonging to the field of fire fighting equipment and comprising a spherical shell, wherein a containing cavity for filling a fire extinguishing agent is arranged in the spherical shell, a filling port for filling the fire extinguishing agent into the containing cavity is arranged on the spherical shell, a siphon for guiding and spraying the fire extinguishing agent filled in the containing cavity is also arranged on the spherical shell, the siphon comprises a drainage tube, a high-level bent tube, an inner conduit, an external bent tube and an ejection tube which are sequentially connected end to end, the drainage tube, the high-level bent tube and the inner conduit are arranged in the containing cavity, the external bent tube is arranged on the spherical shell, the ejection tube is arranged on the outer side of the spherical shell, and an exhaust pipe is arranged on the ejection tube. The invention has the characteristics of good fire extinguishing effect and realization of the reutilization of the fire extinguishing ball.
Description
Technical Field
The invention relates to the field of fire fighting equipment, in particular to an automatic fire extinguishing ball and a reloading method thereof.
Background
The existing fire extinguishing systems are generally divided into a fixed type fire extinguishing system, a semi-fixed type fire extinguishing system and a movable type fire extinguishing system, the fixed type fire extinguishing system is complex and large, the semi-fixed type fire extinguishing system generally refers to a cart type foam fire extinguisher, the semi-fixed type fire extinguishing system is similar to various fire extinguishers of the movable type fire extinguishing system in use, and the semi-fixed type fire extinguishing system needs to be moved to a fire extinguishing site when in use. In order to ensure the fire extinguishing effect, an operator must be close to a fire source when in use, the problem of inconvenient operation exists in a narrow space area, and once the fire spreads, hidden danger also exists for the safety of fire fighters.
Present firemen can throw earlier before advancing the scene of a fire and put out a fire the ball, put out a fire the ball and meet the winding lead wire of putting out a fire of burning top layer behind the naked light, drive the automatic dry powder that sprays of kernel outbreak device afterwards, reach automatic fire extinguishing's effect, present ball that puts out a fire generally adopts disposable design, can't reuse, and in case the spurious triggering probably can cause the accidental injury to personnel.
How to realize the reutilization of the fire extinguishing ball becomes the technical problem which needs to be solved at present.
Disclosure of Invention
The invention mainly solves the technical problem that fire extinguishing balls in the prior art cannot be reused, and provides an automatic fire extinguishing ball and a reloading method thereof.
To achieve the above object in order to solve the above technical problems,
on one hand, the invention provides an automatic fire extinguishing ball, which comprises a spherical shell, wherein a containing cavity for filling fire extinguishing agents is arranged in the spherical shell, a filling port for filling the fire extinguishing agents into the containing cavity is arranged on the spherical shell, a siphon for guiding and spraying the fire extinguishing agents filled in the containing cavity is also arranged on the spherical shell, the siphon comprises a drainage tube, a high-level bent tube, an inner conduit, an external bent tube and an ejection tube which are sequentially connected end to end, the drainage tube, the high-level bent tube and the inner conduit are arranged in the containing cavity, the external bent tube is arranged on the spherical shell, the ejection tube is arranged on the outer side of the spherical shell, and an exhaust pipe is arranged on the ejection tube.
In one embodiment, the drainage tube and the ejection tube are both vertically arranged, and the lowest point of the drainage tube is higher than the lowest point of the ejection tube.
In one embodiment, the output end of the ejection pipe is provided as an ejection port, and the ejection port is provided with a temperature-sensitive trigger capable of opening the ejection port when the temperature reaches a trigger temperature.
In an embodiment, the temperature-sensitive trigger is a fusible metal, the ejection opening is filled with the fusible metal, the fusible metal seals the ejection opening, and the trigger temperature is a melting point of the fusible metal.
In an implementation mode, the temperature trigger further comprises a filling head, the filling head is arranged at the jet orifice, the outer wall of the filling head is arranged to be a connecting portion, the connecting portion is in threaded connection with the jet orifice, the threaded connection is located on the lower side of the connecting portion of the exhaust pipe and the jet pipe, a cylindrical cavity is arranged inside the filling head, and the fusible metal is filled in the cylindrical cavity.
In an embodiment, the spherical shell includes two semi-spherical shells, which are a first half shell and a second half shell respectively, the filling port is disposed on the first half shell, the external elbow is connected to the second half shell, and the first half shell and the second half shell are combined to form the accommodating cavity.
In one embodiment, the exhaust pipe is detachably provided with an exhaust pipe cover.
In an implementation mode, the bottom of the spherical shell is further provided with a base, the base comprises a bottom plate and supporting plates, the bottom plate is provided with a fixing hole, a distance adjusting hole and at least two supporting plates, one side of each supporting plate, which is far away from the bottom plate, is provided with a supporting groove for placing the spherical shell, and the groove surface of each supporting groove is tangent to the outer surface of the spherical shell.
In another aspect, the present invention provides a method of reloading an automatic fire extinguishing ball, the method comprising the steps of:
taking the filling head down from the jet orifice, and cleaning the jet orifice, the connecting part and the cylindrical cavity;
welding the fusible metal within the cylindrical cavity of the filling head;
mounting the filling head on the jet orifice, and carrying out a hydraulic pressure test and an air tightness test on the automatic fire extinguishing ball;
filling fire extinguishing agent from a filling port of the automatic fire extinguishing ball;
and covering the exhaust pipe cover with the air in the accommodating cavity from the exhaust pipe outlet.
In one embodiment, said welding said fusible metal within said cylindrical cavity of said filling head comprises,
heating the filling head to make the residual fusible metal flow out;
and removing residual fusible metal in the filling head by using the brush head.
Compared with the prior art, the automatic fire extinguishing ball and the reloading method thereof have the following beneficial effects:
1. the fire extinguishing accuracy can be ensured by using an additional filling head and fusible metal for temperature induction, and automatic temperature sensing starting can still be realized under the condition of no power supply;
2. after the internal extinguishing agent is exhausted, the fusible metal can be sealed and then the fire extinguishing ball is recharged, so that the fire extinguishing ball can be reused;
3. the fire extinguishing ball can be installed aiming at the specific storage position of combustible substances or inflammable substances, can be installed on a wall and other fixed objects, and can play a role in directional fire extinguishing as long as the jet orifice of the siphon is aligned to the combustible substances or inflammable substances needing fire prevention.
Therefore, the invention has the characteristics of repeated use, good fire extinguishing effect and the like.
Drawings
FIG. 1 is a schematic structural view of an automatic fire extinguishing ball according to the present invention;
FIG. 2 is a schematic cross-sectional view of an automatic fire extinguishing ball according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic structural view of a base in an automatic fire extinguishing ball according to the present invention;
FIG. 5 is a schematic diagram of an apparatus for reloading an automatic fire extinguishing ball according to another embodiment of the invention.
The reference numbers in the figures illustrate: 1. a spherical shell; 11. a first half shell; 12. a second half shell; 13. an accommodating chamber; 2. a filling port; 3. a siphon tube; 31. a drainage tube; 32. a high-order bent pipe; 33. an inner conduit; 34. a bent pipe is externally connected; 35. an ejection pipe; 4. an ejection port; 5. a temperature-sensitive trigger; 51. a filling head; 511. a connecting portion; 512. a cylindrical cavity; 52. a fusible metal; 6. a base; 61. a base plate; 611. a fixing hole; 612. distance adjusting holes; 62. a support plate; 621. a support groove; 7. an exhaust pipe; 71. an exhaust pipe cover; 8. a hot air box; 9. an installation table; 91. a lifting platform; 92. a guide rail; 93. an adjustment wheel; 94. and locking the clamping strip.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The first embodiment is as follows:
fig. 1 to 4 show an embodiment of an automatic fire extinguishing ball according to the present invention.
Referring to fig. 1 and 2, an automatic fire extinguishing ball, including spherical shell 1, spherical shell 1 comprises two semi-spherical shells, two semi-spherical shells are half shell 11 and half shell 12 of second respectively, spherical shell 1 is inside to set up to hold chamber 13, be provided with on half shell 11 and be used for holding filling port 2 that the chamber 13 was filled with fire extinguishing agent to holding, spherical shell 1 outside is provided with the high-pressure holding vessel that is used for depositing the fire extinguishing agent, filling port 2 links to each other with the high-pressure holding vessel, and set up on filling port 2 and can only hold the check valve in chamber 13 with the fire extinguishing agent direction from the high-pressure holding vessel, in order to prevent that the fire extinguishing agent from flowing back in the high-pressure holding vessel, make the fire extinguishing agent produce when putting out a fire and be interrupted, influence fire control effect.
Referring to fig. 2, the siphon tube 3 is disposed on the second half shell 12, the siphon tube 3 can guide the fire extinguishing agent filled in the accommodating cavity 13, the siphon tube 3 includes a drainage tube 31, a high-level elbow 32, an inner conduit 33, an external elbow 34 and an ejection tube 35 connected end to end in sequence, the drainage tube 31, the high-level elbow 32 and the inner conduit 33 are disposed in the accommodating cavity 13, the inner conduit 33 is connected to the external elbow 34 located at a lower position from the high-level elbow 32 located at a higher position, so as to better prevent the occurrence of suck-back phenomenon, the external elbow 34 is disposed on the spherical shell 1, a sealing ring is sleeved on the connection position of the external elbow 34 and the second half shell or directly welded, the ejection tube 35 is disposed outside the spherical shell 1, the fire extinguishing agent passes through the drainage tube 31, the high-level elbow 32, the inner conduit 33, the external elbow 34 and the ejection tube 35 in sequence, and is finally ejected through the output end of the ejection tube 35, the output end of the ejection pipe 35 is set as the ejection port 4.
The drainage tube 31 and the ejection tube 35 are both vertically arranged, the output end of the ejection tube 35 is lower than the bottom of the drainage tube 31, the drainage tube 31 extends upwards from the bottom of the spherical shell 1 and is connected with the high-level elbow 32 positioned at the top of the spherical shell 1, so that the siphon tube 3 can better play a siphon role, and the output of the fire extinguishing agent can be smoother. When the siphon 3 is installed, after the external elbow pipe 34 and the ejection pipe 35 are installed on the second half shell 12, the drainage pipe 31, the high-level elbow pipe 32 and the inner conduit 33 are respectively installed, and then the first half shell 11 and the second half shell 12 are combined and welded, so that the spherical shell 1 with the accommodating cavity 13 inside can be formed. The tensile test of the welded seam and the welded joint of the adopted welding materials is carried out according to GB/T2651-2008 'tensile test method of the welded joint', and the tensile strength of the welded seam is not lower than the lower limit value specified by the base material standard.
Referring to fig. 2 and 3, a temperature-sensitive trigger 5 capable of opening the injection port 4 when the temperature reaches the ignition point is arranged at the injection port 4, the temperature-sensitive trigger 5 comprises a filling head 51 and a fusible metal 52, the outer wall of the filling head 51 is provided with a connecting part 511, the connecting part 511 is in threaded connection with the injection port 4, a cylindrical cavity 512 is arranged inside the filling head 51, the fusible metal 52 is filled in the cylindrical cavity 512, the injection port 4 can be closed after the fusible metal 52 is filled, so that the accommodating cavity 13 can be isolated from the outside, and the fire extinguishing agent cannot be sprayed out of the siphon 3 under the condition that the fusible metal 52 is not melted. The charging head 51 is made of a metal material having a high melting point, so that the injection port 4 is not easily deformed, and melting of the easily-deformable metal can be accelerated due to high thermal conductivity of the metal, so that the extinguishing agent is rapidly sprayed out of the siphon tube 3 to extinguish a fire.
The range of fire suppressant spray can be varied by adding different sized fill heads 51 depending on the application scenario. Before the filling head 51 is mounted, fusible metal 52 cut into long strips is placed in the cylindrical cavity 512. The cylindrical cavity 512 is simply sealed and heated by a hot air box until the fusible metal 52 is completely melted, and the cylindrical cavity 512 is filled after the fusible metal 52 is cooled and solidified. And the filling head 51 is screwed at the injection port 4 to complete the sealing of the accommodating cavity 13.
Referring to fig. 2 and 4, the bottom of the spherical shell 1 is further provided with a base 6, and the base 6 is made of a metal plate material by cutting and bending, and comprises two support plates 62 and a bottom plate 61. The two support plates 62 are parallel to each other and perpendicular to the base plate 61. The upper end of the supporting plate 62 has a supporting groove 621 fitted with the spherical half shell to perform welding fixation after the spherical shell is stably seated. The bottom plate 61 is provided with two fixing holes 611 and an adjusting hole 612 for fixing the device on site.
After the product is inspected to be qualified, the fire extinguishing agent is injected into the containing cavity 13 through the one-way valve on the filling port 2. After the injection is finished, the fire extinguishing ball is installed at a preset position where fire prevention is needed, during installation, the fire extinguishing ball is fixed on a wall or other fixed objects through the fixing hole 611 by a bolt, the position of the fire extinguishing ball is adjusted through the distance adjusting hole 612, and the temperature-sensitive trigger 5 is ensured to be aligned to a designated direction of inflammable matters or a direction in which a fire is likely to happen.
The implementation principle of the invention is as follows: the one-way valve, the containing chamber 13, the interior of the siphon tube 3 and the temperature sensitive trigger 5 constitute a sealed high pressure space for storing the fire suppressant. When the outside reaches the rated temperature, the temperature-sensing trigger 5 is opened, and the extinguishing agent carries out directional extinguishment through the siphon 3 under the action of the internal and external pressure difference.
Aiming at the automatic fire extinguishing ball, the invention also provides a method for reloading the automatic fire extinguishing ball, which comprises the following steps:
the method comprises the following steps: the filling head 51 is removed from the ejection port 4, and the ejection port 4, the connection portion 511, and the cylindrical cavity 512 are subjected to cleaning processing;
step two: welding a fusible metal 52 within the cylindrical cavity 512 of the filler head 51;
specifically, the filling head 51 is heated to cause the residual fusible metal 52 to flow out; the brush head is used to remove residual fusible metal 52 from the filler head 51.
Further, the heating treatment is carried out in a hot air box 8, and the treatment temperature is 80-90 ℃. The filling head 51 is placed in the hot air box 8, the filling head 51 is heated at a temperature of about 90 ℃ for 5 minutes to discharge the residual fusible metal 52, and the residual fusible metal 52 which cannot be discharged from the filling head 51 is removed by the brush head.
Step three: mounting the charging head 51 on the injection port 4, and performing a hydraulic pressure test and an air-tightness test on the automatic fire extinguishing ball;
specifically, a hydraulic test is carried out on the fire extinguishing ball according to GB/T9251-2011, the fire extinguishing ball is slowly increased to a test pressure at a pressure increasing speed of not more than 0.5Mpa per second during the test, the pressure is 3.75Mpa, the pressure maintaining time is not less than 30 seconds, and the observation that the ball body cannot be macroscopically deformed or leaked is carried out. The pressure gauge does not allow for a back-off phenomenon. And immediately discharging water after the test is qualified and drying the water. And (3) carrying out an air tightness test according to GB/. T12137-2015 after the hydraulic test is qualified, keeping the pressure for 1-3 minutes at the test pressure of 2.5Mpa, and visually inspecting that no bubbles or leakage occurs at each part to be qualified.
Step four: fire extinguishing agent is filled from the automatic fire extinguishing ball filling port 2;
specifically, the fire extinguishing agent can be introduced into the filling port 2 of the fire extinguishing ball from a high-pressure storage tank in which the fire extinguishing agent is placed.
Step five: the air in the housing chamber 13 is discharged from the exhaust pipe 7 and covered with the exhaust pipe cover 71.
Specifically, when the exhaust pipe 7 is seen to have continuous droplets dripping, the exhaust pipe cover 71 is closed.
Example two:
referring to fig. 1 and 5, the present embodiment provides for the automatic fire extinguishing ball to be filled with fire extinguishing agent using a means for refilling the automatic fire extinguishing ball without removing the filling head 51.
The device for reloading the automatic fire extinguishing ball comprises a mounting platform 9, a lifting platform 91 and a hot air box 8, wherein the mounting platform 9 can enter and exit the interior of the hot air box 8 through a guide rail 92.
The lifting table 91 is generally cylindrical, and has teeth on the lower end side. A set of gear transmission device is arranged in the mounting table 9, the output end of the gear transmission device is matched with the teeth at the lower end of the lifting table 91, and the input end of the gear transmission device is connected with an adjusting wheel 93 arranged on the side surface of the mounting table 9. The side surface of the mounting table 9 is also provided with a locking clamping strip 94 matched with the adjusting wheel 93, and the adjusting wheel 93 can be locked through the locking clamping strip 94, so that the lifting table 91 is limited.
The upper end surface of the mounting table 9 is provided with a plurality of mounting holes for mounting automatic fire extinguishing balls. The lifting table 91 is provided with a square tool groove for placing the fusible metal 52 strip, and the side length of the square tool groove is 5 cm. The elevating table 91 has a recovery hole through which the cleaning liquid and the residual fusible metal 52 flow out. When the fire extinguishing agent in the fire extinguishing ball is used up or the storage time is too long to cause the expiration of the fire extinguishing agent, the fire extinguishing ball is recycled. The filling head 51, the entire deformation and the filling opening 2 of the recovered self-extinguishing ball are first checked manually. So as to ensure that the recovered automatic fire extinguishing ball meets the condition of reuse.
The bottom plate 61 of the self-extinguishing ball is then mounted on the mounting table 9 by bolts with the filling head 51 opening downwards.
The mounting table 9 was put into the hot air box 8, and the filling head 51 was heated at a temperature of 90 ℃ or lower for 5 minutes to discharge the remaining fusible metal 52.
The mounting table 9 is pulled out of the hot air box 8, and the residual fusible metal 52 which cannot flow out of the filling head 51 is removed by a brush.
And cutting the fusible metal 52 block, wherein the cutting temperature is not more than 80 ℃ during the cutting treatment. The material is formed into a cuboid with the side length of a square at the bottom surface of 3cm, and a square recess with the side length of 1cm is processed at the bottom surface. This dimension fits the shape of the interior of the automatic fire extinguishing ball charging head 51.
The strip-shaped fusible metal 52 is placed on the square tool groove, the adjusting wheel 93 is rotated to drive the gear transmission device to lift the lifting table 91, and the strip-shaped fusible metal 52 is vertically placed into the opening of the automatic fire extinguishing ball filling head 51.
The mount table 9 was sent to the hot air box 8, and the fusible metal 52 in the automatic fire extinguishing ball charging head 51 was subjected to heating treatment at a temperature of 85 ℃ for 90 seconds. The melted fusible metal 52 is melted by gravity and is present in a molten state in a space having the bottom of the tool tank and the inner wall of the automatic fire extinguishing ball charging head 51 as a wall.
After the hot air box 8 is closed, the mounting platform 9 is dragged out of the hot air box 8, and the fusible metal 52 which is melted and generates the sealing effect on the opening of the automatic fire extinguishing ball filling head 51 is naturally cooled and treated by air cooling. The cooled fusible metal 52 is blocked at the automatic fire extinguishing ball filling head 51 to realize the sealing effect.
The elevating table 91 is lowered by rotating the regulating wheel 93, and the automatic fire extinguishing ball charging head 51 and the tool bath are separated.
And carrying out a hydraulic pressure test and an air tightness test on the automatic fire extinguishing ball. Carrying out a hydraulic test according to GB/T9251-2011, slowly increasing the pressure to a test pressure at a pressure increasing speed of not more than 0.5Mpa per second during the test, wherein the pressure is 3.75Mpa, the pressure maintaining time is not less than 30 seconds, and observing that the sphere cannot be macroscopically deformed and leaked. The pressure gauge does not allow for a back-off phenomenon. And (5) immediately discharging the water after the test is qualified and drying the water. And after the hydrostatic test is qualified, carrying out an air tightness test according to GB/. T12137-2015, keeping the pressure for 1-3 minutes at the test pressure of 2.5Mpa, and visually inspecting that no leakage occurs at each part to obtain the qualified product.
After the hydrostatic test and the air tightness test are qualified, the fire extinguishing agent can be filled from the automatic fire extinguishing ball filling port 2, and the automatic fire extinguishing ball is refilled.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The utility model provides an automatic fire extinguishing ball, its characterized in that includes spherical shell (1), the inside chamber (13) that holds for being used for filling fire extinguishing agent of spherical shell (1), be provided with on spherical shell (1) be used for to hold filling mouth (2) of filling fire extinguishing agent in chamber (13), still be provided with on spherical shell (1) and be used for carrying out guide injection's siphon (3) to holding the fire extinguishing agent of chamber (13) intussuseption, siphon (3) include drainage tube (31), high-order return bend (32), inner duct (33), external return bend (34) and blowout pipe (35) that the head and the tail is connected in order, drainage tube (31), high-order return bend (32), inner duct (33) set up hold in chamber (13), external return bend (34) set up on spherical shell (1), blowout pipe (35) set up the outside of spherical shell (1), and an exhaust pipe (7) is provided to the ejection pipe (35).
2. Automatic fire extinguishing ball according to claim 1, characterised in that the drainage tube (31) and the ejection tube (35) are both vertically arranged, and the lowest point of the drainage tube (31) is higher than the lowest point of the ejection tube (35).
3. The automatic fire extinguishing ball according to claim 2, wherein the output end of the ejection pipe (35) is provided as an ejection port (4), and a temperature-sensitive trigger (5) capable of opening the ejection port (4) when the temperature reaches a trigger temperature is provided at the ejection port (4).
4. The automatic fire extinguishing ball according to claim 3, wherein the temperature-sensitive trigger (5) is a fusible metal (52), the fusible metal (52) is filled at the ejection opening (4), the fusible metal (52) closes the ejection opening (4), and the trigger temperature is a melting point of the fusible metal (52).
5. The automatic fire extinguishing ball according to claim 4, wherein the temperature-sensitive trigger (5) further comprises a filling head (51), the filling head (51) is arranged at the jet opening (4), the outer wall of the filling head (51) is provided with a connecting part (511), the connecting part (511) is in threaded connection with the jet opening (4) and is positioned at the lower side of the connecting part of the exhaust pipe (7) and the jet pipe (35), a cylindrical cavity (512) is arranged inside the filling head (51), and the fusible metal (52) is filled in the cylindrical cavity (512).
6. Self-extinguishing ball according to claim 1, characterised in that the spherical shell (1) comprises two semi-spherical shells, respectively a first half-shell (11) and a second half-shell (12), the filling opening (2) being provided on the first half-shell (11), the external elbow (34) being connected on the second half-shell (12), the first half-shell (11) and the second half-shell (12) being mutually engaged and internally forming the housing chamber (13).
7. Automatic fire extinguishing ball according to claim 6, characterised in that the exhaust pipe (7) is detachably provided with an exhaust pipe cover (71).
8. The automatic fire extinguishing ball according to claim 7, characterized in that a base (6) is further arranged at the bottom of the spherical shell (1), the base (6) comprises a bottom plate (61) and a support plate (62), the bottom plate (61) is provided with a fixing hole (611) and a distance adjusting hole (612) and at least two support plates (62), one side of the support plate (62) far away from the bottom plate (61) is provided with a support groove (621) for placing the spherical shell (1), and the groove surface of the support groove (621) is tangent to the outer surface of the spherical shell (1).
9. A method of reloading an automatic fire extinguishing ball, comprising the automatic fire extinguishing ball according to any one of claims 1 to 8, the method comprising the steps of:
removing the filling head (51) from the injection port (4), and performing cleaning treatment on the injection port (4), the connecting part (511), and the cylindrical cavity (512);
-welding the fusible metal (52) within the cylindrical cavity (512) of the filling head (51);
mounting the filling head (51) on the jet orifice (4), and carrying out a hydraulic pressure test and an air tightness test on the automatic fire extinguishing ball;
fire extinguishing agent is filled from the filling port (2) of the automatic fire extinguishing ball;
and discharging the air in the accommodating cavity (13) from the exhaust pipe (7) to cover the exhaust pipe cover (71).
10. The method of reloading fire balls as in claim 9, wherein said welding said fusible metal (52) in said cylindrical cavity (512) of said filling head (51) comprises,
heating the filling head (51) to cause the residual fusible metal (52) to flow out;
residual fusible metal (52) in the filling head (51) is removed by using a brush head.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110455837.5A CN113368437A (en) | 2021-04-26 | 2021-04-26 | Automatic fire extinguishing ball and refilling method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110455837.5A CN113368437A (en) | 2021-04-26 | 2021-04-26 | Automatic fire extinguishing ball and refilling method thereof |
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| CN113368437A true CN113368437A (en) | 2021-09-10 |
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