CN114796955B - Water mist fire extinguishing system - Google Patents

Water mist fire extinguishing system Download PDF

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Publication number
CN114796955B
CN114796955B CN202210406134.8A CN202210406134A CN114796955B CN 114796955 B CN114796955 B CN 114796955B CN 202210406134 A CN202210406134 A CN 202210406134A CN 114796955 B CN114796955 B CN 114796955B
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CN
China
Prior art keywords
water mist
spraying system
fire
area
pipe
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Application number
CN202210406134.8A
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Chinese (zh)
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CN114796955A (en
Inventor
彭锦志
倪天晓
张新
文康
金鑫
冉启兵
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Zhonglian Kerui Fire Technology Co ltd
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Zhonglian Kerui Fire Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN202210406134.8A priority Critical patent/CN114796955B/en
Publication of CN114796955A publication Critical patent/CN114796955A/en
Application granted granted Critical
Publication of CN114796955B publication Critical patent/CN114796955B/en
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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • A62C31/02Nozzles specially adapted for fire-extinguishing
    • A62C31/03Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • A62C31/02Nozzles specially adapted for fire-extinguishing
    • A62C31/05Nozzles specially adapted for fire-extinguishing with two or more outlets
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C37/00Control of fire-fighting equipment
    • A62C37/36Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
    • A62C37/38Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
    • A62C37/40Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator

Abstract

The invention discloses a water mist fire extinguishing system which comprises a top spraying system, a side spraying system and a low spraying system, wherein the top spraying system, the side spraying system and the low spraying system respectively comprise a plurality of sections of concealed pipes and a plurality of water mist spray heads, the top spraying system is used for extinguishing fire above a fire area, the side spraying system and the low spraying system are used for extinguishing fire below the fire area, a first control valve is detachably mounted on the concealed pipe connected with the top spraying system, certain adverse effects on high-pressure water mist can be brought under the consideration of the chimney effect and the action of a mechanical smoke exhaust system, a subarea protection mode is adopted, the water mist fire extinguishing systems of the fire area and the upper area and the lower area are started during fire, the upward spreading of fire is considered on one hand, the water mist fire extinguishing system above the fire area is started, the influence of combustible substance dropping on the lower area and the influence of upward airflow on the water mist is considered on the other hand, the water mist fire extinguishing system below the fire area is started, and a certain compensation effect is exerted on the fire area.

Description

Water mist fire extinguishing system
Technical Field
The invention belongs to the technical field of fire fighting, and particularly relates to a water mist fire extinguishing system.
Background
The water mist fire extinguishing system has the advantages of small water consumption, small occupied space, high fire extinguishing efficiency, good structure protection effect, smoke prevention and dust control and the like. But the control of present water mist fire extinguishing system to the conflagration lacks scientific means of laying, can't be effectual to different fires, even if can practice thrift the water source, but also can not guarantee that the water source obtains abundant utilization, and the water mist of most water mist fire extinguishing system sprays and has the blind area or the water smoke volume is not enough regional in addition, causes and can not put out the conflagration in time and probably produces serious consequence.
Disclosure of Invention
In order to solve the above problems of the prior art, the present invention aims to provide a water mist fire extinguishing system.
The technical scheme adopted by the invention is as follows:
the utility model provides a thin water smoke fire extinguishing system, includes top system, side system and the low system that spouts, top system, side system and the low system that spouts comprises multisection concealed conduit and a plurality of thin water smoke shower nozzle respectively that spouts, wherein the top system that spouts is used for the regional top of catching fire to put out a fire, side system and the low system that spouts are used for the regional below of catching fire to put out a fire, connect demountable installation has first control valve on the concealed conduit of top system of spouting, connects demountable installation has the second control valve on the concealed conduit of side system of spouting, connects demountable installation has the third control valve on the concealed conduit of low system of spouting, connects the concealed conduit of top system of spouting, connect the concealed conduit of side system of spouting and connection the concealed conduit of low system of spouting assembles the flowmeter, the flowmeter is kept away from the one end of concealed conduit and is connected with the water storage box through the delivery pipe, the water storage box is fixed to be set up in the backup pad.
In the technical scheme, the chimney effect and the effect of a mechanical smoke exhaust system are considered, certain adverse effect can be brought to high-pressure water mist, the factor is fully considered in system design, a partition protection mode is adopted, the water mist fire extinguishing systems of a firing area, an upper area and a lower area are opened during fire, on one hand, the fire is considered to spread upwards, the water mist fire extinguishing system above the firing area is opened, on the other hand, the influence of combustible dropping on the lower area and the influence of upward airflow on the water mist are considered, the water mist fire extinguishing system below the firing area is opened, and a certain compensation effect is achieved on the firing area.
Preferably, a booster pump is provided at one side of the water storage tank, the booster pump is communicated with the flow meter through a control pipe, and the control pipe is connected in parallel with the water supply pipe.
Preferably, a pressure sensor is detachably mounted on a concealed pipe connected with the low-pressure injection system, and the pressure sensor is positioned between the third control valve and the low-pressure injection system.
In above-mentioned technical scheme, the low system that spouts probably causes the injury to the people, increases pressure sensor as decision-maker, when unmanned in the spraying range of low system that spouts, can carry out high efficiency's control to the conflagration.
Preferably, the water mist spray head is connected with the concealed pipe through an installation block, the installation block is detachably installed on a wall surface, a working space is arranged inside the installation block, a reinforcing pipe is fixedly arranged in the working space, two ends of the reinforcing pipe penetrate through the working space respectively, a waterproof gasket is arranged at the joint of the reinforcing pipe penetrating through the working space, one end of the reinforcing pipe is connected with the concealed pipe, and the other end of the reinforcing pipe is connected with the water mist spray head.
Preferably, the water mist sprayer is provided with a plurality of nozzles, the nozzles are communicated with the reinforcing pipe, one of the nozzles is positioned in the axial direction of the water mist sprayer, and the rest of the nozzles are uniformly distributed in the circumferential direction of the water mist sprayer.
In the technical scheme, except the nozzles which spray along the axial direction of the spray head, the rest nozzles spray in the direction vertical to the axial direction of the spray head, and the spray angle is wider.
Preferably, a fan-shaped groove penetrating through the mounting block is fixedly formed in the inner wall of one side of the working space, a clamping ring is rotatably arranged in the fan-shaped groove, the clamping ring penetrates through the mounting block, a sleeve is detachably mounted at one end, located outside the working space, of the clamping ring, the sleeve is fixedly connected with the water mist spray head, the sleeve wraps one end of the reinforcing pipe, and the reinforcing pipe penetrates through the clamping ring.
In the technical scheme, the water mist spray head can rotate forward and backward for a certain angle, so that the water mist spray is wide and uniform.
Preferably, a micro motor is fixedly arranged on the inner wall of one side of the working space, a rotating shaft is controlled at one end of the micro motor, a sector gear B area and a sector gear C area are fixedly arranged on the rotating shaft, a rotating shaft is arranged on one side of the micro motor, the rotating shaft is rotatably connected with the inner wall of one side of the working space, a gear is fixedly arranged on the rotating shaft, and one end of the rotating shaft is fixedly connected with the clamping ring.
In the technical scheme, the micro motor does not need to be switched back and forth in a forward and reverse rotating mode, the mechanical structure can realize the quick forward and reverse alternate rotation of the water mist spray head, the water mist spray head is effectively used, and the service life is obviously prolonged.
Preferably, a sliding groove is fixedly formed in the inner wall of one side of the working space, and a rack is arranged in the sliding groove in a sliding mode.
In the technical scheme, the power supply or the standby power supply can be arranged in the working space, and people do not need to worry about burning.
Preferably, the sector gear B is intermittently engaged with the rack, the sector gear B is intermittently engaged with the gear, the sector gear C is intermittently engaged with the rack, the sector gear C is intermittently engaged with the gear, and the gear is engaged with the rack.
Preferably, the included angle between the sector gear B area and the sector gear C area is one hundred and eighty degrees.
The invention has the beneficial effects that: the invention is used as a water mist fire extinguishing system, which can bring certain adverse effect to high-pressure water mist in consideration of the chimney effect and the action of a mechanical smoke exhaust system, fully considers the factors in the system design, adopts a partition protection mode, and opens the water mist fire extinguishing system in a firing area and an upper area and a lower area during fire, on one hand, considers the upward spread of fire and opens the water mist fire extinguishing system above the firing area, on the other hand, considers the influence of combustible dropping on the lower area and the influence of upward airflow on the water mist, and opens the water mist fire extinguishing system below the firing area, and has certain compensation effect on the firing area; except the nozzles which spray along the axial direction of the spray head, the other nozzles spray in the direction vertical to the axial direction of the spray head, and the spray angle is wider; the water mist spray head can rotate forward and backward for a certain angle, so that the water mist spray is wide and uniform.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the water mist head of FIG. 1 according to the present invention;
FIG. 3 is an enlarged schematic view of the point A of FIG. 2 (A is a partial cross-sectional view);
FIG. 4 is a schematic top view of the FIG. 2 embodiment of the present invention;
FIG. 5 is a schematic view of the D-D directional structure of FIG. 2 according to the present invention;
fig. 6 is a schematic view of the snap ring structure of fig. 2 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
The detailed embodiment of the invention is described below with reference to fig. 1-6, and a water mist fire extinguishing system comprises a top spraying system 19, a side spraying system 21 and a low spraying system 23, wherein the top spraying system 19, the side spraying system 21 and the low spraying system 23 are respectively composed of a plurality of concealed pipes and a plurality of water mist spray heads 18, the top spraying system 19 is used for extinguishing fire above a fire area, the side spraying system 21 and the low spraying system 23 are used for extinguishing fire below the fire area, a first control valve 17 is detachably mounted on the concealed pipe connected with the top spraying system 19, a second control valve 24 is detachably mounted on the concealed pipe connected with the side spraying system 21, a third control valve 25 is detachably mounted on the concealed pipe connected with the low spraying system 23, the concealed pipe connected with the top spraying system 19, the concealed pipe connected with the side spraying system 21 and the concealed pipe connected with the low spraying system 23 are converged to a flow meter 16, one end of the flow meter 16 far away from the concealed pipe is connected with a water storage tank 12 through a water supply pipe 13, and the water storage tank 12 is fixedly arranged on a support plate 11.
Advantageously, a booster pump 14 is provided on one side of the reservoir 12, the booster pump 14 communicating with the flow meter 16 via a control pipe 15, the control pipe 15 being connected in parallel with the water supply pipe 13.
Advantageously, a pressure sensor 22 is removably mounted on the concealed conduit connecting said low-pressure injection system 23, said pressure sensor 22 being located between said third control valve 25 and said low-pressure injection system 23.
Beneficially, water mist sprayer 18 links to each other with the hidden pipe through installation piece 27, installation piece 27 demountable installation is on the wall, the inside workspace 32 that is equipped with of installation piece 27, workspace 32 internal fixation is equipped with reinforced pipe 30, the both ends of reinforced pipe 30 run through respectively workspace 32, reinforced pipe 30 runs through workspace 32's junction is equipped with waterproof gasket, reinforced pipe 30's one end links to each other with the hidden pipe, reinforced pipe 30's the other end links to each other with water mist sprayer 18.
Advantageously, a plurality of nozzles 26 are provided on the water mist head 18, the nozzles 26 are in communication with the reinforcing pipe 30, one of the nozzles 26 is located in the axial direction of the water mist head 18, and the remaining nozzles 26 are evenly distributed in the circumferential direction of the water mist head 18.
Beneficially, a fan-shaped groove penetrating through the mounting block 27 is fixedly arranged on the inner wall of one side of the working space 32, a clamping ring 29 is rotatably arranged in the fan-shaped groove, the clamping ring 29 penetrates through the mounting block 27, a sleeve 28 is detachably mounted at one end, located outside the working space 32, of the clamping ring 29, the sleeve 28 is fixedly connected with the water mist spray head 18, the sleeve 28 covers one end of the reinforcing pipe 30, and the reinforcing pipe 30 penetrates through the inside of the clamping ring 29.
Beneficially, a micro motor 33 is fixedly arranged on an inner wall of one side of the working space 32, a rotating shaft 34 is controlled at one end of the micro motor 33, a sector gear B area 35 and a sector gear C area 36 are fixedly arranged on the rotating shaft 34, a rotating shaft 40 is arranged on one side of the micro motor 33, the rotating shaft 40 is rotatably connected with the inner wall of one side of the working space 32, a gear 39 is fixedly arranged on the rotating shaft 40, and one end of the rotating shaft 40 is fixedly connected with the clamping ring 29.
Advantageously, a sliding groove 38 is fixedly arranged on one side inner wall of the working space 32, and a rack 37 is slidably arranged in the sliding groove 38.
Advantageously, sector B35 meshes intermittently with rack 37, sector B35 meshes intermittently with rack 39, sector C36 meshes intermittently with rack 37, sector C36 meshes intermittently with rack 39, and rack 37 meshes with rack 39.
Advantageously, the angle between sector B35 and sector C36 is one hundred and eighty degrees.
The use method of the invention comprises the following steps:
the first control valve 17, the second control valve 24 and the third control valve 25 are respectively controlled by a fire monitoring device; when a fire disaster occurs, according to the specific situation of the fire, the first control valve 17, the second control valve 24 and the third control valve 25 are matched and started, the top spraying system 19 and the side spraying system 21 are started to control the fire disaster, and the low spraying system 23 is started until the pressure sensor 22 is triggered while the third control valve 25 is opened (namely, the low spraying system 23 is not started when people exist on the ground).
The top spraying system 19 sprays obliquely, so that the smoke on the upper layer can be effectively controlled; the side spraying system 21 sprays vertically, and is matched with the special water mist spray head 18 to ensure that the spraying range is wide; the low-spraying system 23 sprays laterally, and can effectively control fire when the ground is not shielded.
Principle of making the water mist more even by the water mist head 18: the micro motor 33 is started simultaneously when the detection device is started, the micro motor 33 controls the rotating shaft 34 to rotate, and the sector gear B area 35 and the sector gear C area 36 rotate along with the rotating shaft 34; rotating the rotating shaft 34 anticlockwise, when the sector gear C area 36 is disengaged from the gear 39, the sector gear B area 35 is just engaged with the rack 37, the sector gear B area 35 drives the rack 37 to slide rightwards, the rack 37 drives the gear 39 to rotate anticlockwise, when the sector gear B area 35 is disengaged from the rack 37, the sector gear B area 35 is just engaged with the gear 39, the sector gear B area 35 drives the gear 39 to rotate clockwise, and the gear 39 drives the rack 37 to slide leftwards; this process is repeated, so that the rotary shaft 34 rotates counterclockwise in unison, the rotary shaft 40 rotates in the forward and reverse directions alternately, and the rack 37 swings left and right.
The rotation of the rotating shaft 40 can drive the snap ring 29 to rotate along the fan-shaped groove, the sleeve 28 rotates along with the snap ring 29, and the water mist spray head 18 also rotates along with the rotation of the snap ring 29, so that the water mist spray head 18 can spray water and rotate at the same time, and the side nozzles 26 do not need to be arranged in a plurality, and the uniformity of the water mist can be ensured.
In the above embodiment, the waterproof partition is disposed outside the micro motor 33, and the rotation shaft 34 driven by the micro motor 33 can preferably be driven by the water flow and the impeller.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.

Claims (3)

1. A water mist fire extinguishing system is characterized in that: the top spraying system, the side spraying system and the low spraying system are respectively composed of a plurality of sections of concealed pipes and a plurality of fine water mist spray heads, wherein the top spraying system is used for extinguishing fire above a fire area, the side spraying system and the low spraying system are used for extinguishing fire below the fire area, a first control valve is detachably mounted on the concealed pipe connected with the top spraying system, a second control valve is detachably mounted on the concealed pipe connected with the side spraying system, a third control valve is detachably mounted on the concealed pipe connected with the low spraying system, the concealed pipe connected with the top spraying system, the concealed pipe connected with the side spraying system and the concealed pipe connected with the low spraying system are converged to a flow meter, one end, far away from the concealed pipe, of the flow meter is connected with a water storage tank through a water supply pipe, and the water storage tank is fixedly arranged on a support plate;
the water mist spray head is connected with the concealed pipe through an installation block, the installation block is detachably installed on a wall surface, a working space is arranged inside the installation block, a reinforcing pipe is fixedly arranged in the working space, two ends of the reinforcing pipe respectively penetrate through the working space, a waterproof gasket is arranged at the joint of the reinforcing pipe penetrating through the working space, one end of the reinforcing pipe is connected with the concealed pipe, and the other end of the reinforcing pipe is connected with the water mist spray head;
the water mist spray head is provided with a plurality of nozzles, the nozzles are communicated with the reinforcing pipe, one of the nozzles is positioned in the axial direction of the water mist spray head, and the rest nozzles are uniformly distributed on the circumferential direction of the water mist spray head;
a fan-shaped groove penetrating through the mounting block is fixedly formed in the inner wall of one side of the working space, a clamping ring is rotatably arranged in the fan-shaped groove and penetrates through the mounting block, a sleeve is detachably mounted at one end, located outside the working space, of the clamping ring, the sleeve is fixedly connected with the water mist spray head, one end of the reinforcing pipe is wrapped by the sleeve, and the reinforcing pipe penetrates through the inside of the clamping ring;
a micro motor is fixedly arranged on the inner wall of one side of the working space, a rotating shaft is controlled at one end of the micro motor, a sector gear B area and a sector gear C area are fixedly arranged on the rotating shaft, a rotating shaft is arranged on one side of the micro motor, the rotating shaft is rotatably connected with the inner wall of one side of the working space, a gear is fixedly arranged on the rotating shaft, and one end of the rotating shaft is fixedly connected with the clamping ring;
a sliding groove is fixedly formed in the inner wall of one side of the working space, and a rack is arranged in the sliding groove in a sliding manner;
the sector gear B area is intermittently meshed with the rack, the sector gear B area is intermittently meshed with the gear, the sector gear C area is intermittently meshed with the rack, the sector gear C area is intermittently meshed with the gear, and the gear is meshed with the rack;
and an included angle between the sector gear B area and the sector gear C area is one hundred and eighty degrees.
2. A water mist fire suppression system according to claim 1, wherein: and a booster pump is arranged on one side of the water storage tank and is communicated with the flowmeter through a control pipe, and the control pipe is connected with the water supply pipe in parallel.
3. A water mist fire suppression system according to claim 1, wherein: connect demountable installation has pressure sensor on the concealed conduit of low system of spouting, pressure sensor is located third control valve with low spout between the system.
CN202210406134.8A 2022-04-18 2022-04-18 Water mist fire extinguishing system Active CN114796955B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210406134.8A CN114796955B (en) 2022-04-18 2022-04-18 Water mist fire extinguishing system

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Application Number Priority Date Filing Date Title
CN202210406134.8A CN114796955B (en) 2022-04-18 2022-04-18 Water mist fire extinguishing system

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CN114796955A CN114796955A (en) 2022-07-29
CN114796955B true CN114796955B (en) 2023-01-20

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1436575A (en) * 2002-02-05 2003-08-20 沈阳市通适达自动灭火技术有限公司 Stereo fog-spraying fire extinguishing system
US7182275B1 (en) * 2003-07-07 2007-02-27 Hsin-Fa Wang Traveling sprinkler structure comprising spray unit rotatable and adjustable in height
CN107439123A (en) * 2017-08-30 2017-12-08 郑州大学 A kind of water for afforestation fertilizer integrated apparatus
CN207355124U (en) * 2017-08-06 2018-05-15 赵琼 A kind of automatic flower watering equipment with Internet of Things
CN108434642A (en) * 2018-02-28 2018-08-24 邹永杰 A kind of movable type fire-fighting sprinkling fire equipment
CN209221381U (en) * 2018-05-14 2019-08-09 赵国强 A kind of scene of a fire firefighting robot
CN214234577U (en) * 2021-01-08 2021-09-21 曾涛 Construction engineering is with dustproof water smoke sprinkler

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1436575A (en) * 2002-02-05 2003-08-20 沈阳市通适达自动灭火技术有限公司 Stereo fog-spraying fire extinguishing system
US7182275B1 (en) * 2003-07-07 2007-02-27 Hsin-Fa Wang Traveling sprinkler structure comprising spray unit rotatable and adjustable in height
CN207355124U (en) * 2017-08-06 2018-05-15 赵琼 A kind of automatic flower watering equipment with Internet of Things
CN107439123A (en) * 2017-08-30 2017-12-08 郑州大学 A kind of water for afforestation fertilizer integrated apparatus
CN108434642A (en) * 2018-02-28 2018-08-24 邹永杰 A kind of movable type fire-fighting sprinkling fire equipment
CN209221381U (en) * 2018-05-14 2019-08-09 赵国强 A kind of scene of a fire firefighting robot
CN214234577U (en) * 2021-01-08 2021-09-21 曾涛 Construction engineering is with dustproof water smoke sprinkler

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