CN114432627B - Pressure-boosting fire extinguishing device - Google Patents
Pressure-boosting fire extinguishing device Download PDFInfo
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- CN114432627B CN114432627B CN202011189854.0A CN202011189854A CN114432627B CN 114432627 B CN114432627 B CN 114432627B CN 202011189854 A CN202011189854 A CN 202011189854A CN 114432627 B CN114432627 B CN 114432627B
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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
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
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Abstract
The invention discloses a pressurized fire extinguishing device, and belongs to the technical field of fire fighting equipment. The invention comprises a high-pressure water generator for transmitting water inside the high-pressure water generator under high pressure, a modified non-Newtonian fluid conveying component for storing a modified non-Newtonian fluid fire extinguishing agent or other dry fire extinguishing powder and transmitting the fire extinguishing agent and the dry fire extinguishing powder to the inside of the high-pressure water generator to be mixed with water, and a water conveying system for circularly pressing water into the high-pressure water generator and enabling the water to form a high-pressure cavity and a low-pressure cavity; the high-pressure water generator is connected with the water delivery system through a pipeline, and the high-pressure water generator is connected with the modified non-Newtonian fluid delivery assembly through a pipeline; the modified non-Newtonian fluid conveying component has an ultra-far fire extinguishing effect, so that the modified non-Newtonian fluid fire extinguishing agent or other dry fire extinguishing powder can be carried by the modified non-Newtonian fluid conveying component.
Description
Technical Field
The invention relates to the technical field of fire fighting equipment, in particular to a boosting fire extinguishing device.
Background
Fire extinguishing apparatus is when realizing the operation of putting out a fire, rivers jet distance, has decided the efficiency and the safety of putting out a fire, and traditional supercharging device of putting out a fire adopts ordinary booster pump, multiplicable fire extinguishing materials's jet distance, like a fire extinguishing system of fire extinguishing system that prior art CN201620366087.9 disclosed, including sealed water container, booster pump and fire hydrant, water container's bottom is provided with the delivery port, water container's delivery port connects gradually booster pump and fire hydrant through the pipeline, water container is higher than the position of fire hydrant in the ascending position of vertical side, carries out the pressure boost to the rivers that flow through the booster pump, and rivers after the pressure boost spout from the fire hydrant that is connected to, put out a fire effectively.
However, the supercharging device cannot carry the modified non-Newtonian fluid extinguishing agent or other dry extinguishing powder, cannot output water flow at an ultra-long distance, and cannot adhere the sprayed water flow to the surface of an object on fire and coat the surface of the object on fire, extinguish flames and prevent fire from spreading. In view of these drawbacks, it is necessary to design a pressurized fire extinguishing apparatus.
Disclosure of Invention
1. Technical problem to be solved by the invention
The present invention aims to provide a pressurized fire extinguishing apparatus to solve the problems of the background art.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention relates to a pressurized fire extinguishing device, which comprises a high-pressure water generator, a modified non-Newtonian fluid conveying component and a water conveying system, wherein the high-pressure water generator is used for conveying water in the high-pressure water generator under high pressure, the modified non-Newtonian fluid conveying component is used for storing a modified non-Newtonian fluid fire extinguishing agent or other dry fire extinguishing powder and conveying the fire extinguishing agent and the dry fire extinguishing powder to the interior of the high-pressure water generator to be mixed with water, and the water conveying system is used for circularly pressing water into the interior of the high-pressure water generator and enabling the water to form a high-pressure cavity and a low-pressure cavity; the high-pressure water generator is connected with the water delivery system through a pipeline, and the high-pressure water generator is connected with the modified non-Newtonian fluid delivery assembly through a pipeline.
Further, the high-pressure water generator comprises a generator main cylinder body, a movable plug and a high-pressure water outlet cylinder body; 2 high-pressure water outlet cylinder bodies are arranged, and the 2 high-pressure water outlet cylinder bodies are symmetrical relative to the main cylinder body of the generator; the generator is characterized in that a movable plug is installed in the main cylinder body of the generator, the centers of two side ends of the movable plug are connected with one end of a piston, the other end of the piston is sleeved in a high-pressure water outlet cylinder body on the corresponding side, the front end of the high-pressure water outlet cylinder body is in threaded connection with a high-pressure water joint, the high-pressure water joint is sleeved in an end cover, and the end cover is in threaded connection with the high-pressure water outlet cylinder body.
Furthermore, the high-pressure water generator also comprises 2 cylinder end covers, the high-pressure water outlet cylinder body is arranged on the cylinder end cover on the corresponding side, a low-pressure water inlet is arranged on the cylinder end cover, and the low-pressure water inlet is communicated with the high-pressure generating cavity of the main generator cylinder body on the corresponding side; the side surface of the cylinder end cover is also provided with a modified non-Newtonian fluid inlet which is communicated with the modified non-Newtonian fluid conveying assembly.
Further, a sealing sleeve is arranged between the piston and the high-pressure water outlet cylinder body; the movable plug is provided with a sealing component which is in sliding sealing fit with the inner wall of the main cylinder body of the generator.
Further, the cylinder end covers are fixedly connected through a locking screw assembly; at least one travel switch is arranged on the cylinder end cover.
Further, the modified non-Newtonian fluid conveying assembly comprises a first box body, a second box body, a first electromagnetic valve and a second electromagnetic valve; the lower ends of the first box body and the second box body are in a cone barrel shape and are stored with modified non-Newtonian fluid fire extinguishing agents or other dry fire extinguishing powder materials, the cone barrel-shaped bottom of the first box body is provided with a first electromagnetic valve, the cone barrel-shaped bottom of the second box body is provided with a second electromagnetic valve, and the first box body and the second box body are arranged on the screw mounting seat in a bilateral symmetry manner; a screw mounting hole is formed in the screw mounting seat below the first box body, an output screw is mounted in the screw inner hole, the end part of the output screw is connected with the output shaft of the corresponding output motor through a coupler, and a Y-shaped sealing body, a bearing and a shaft sleeve seal are arranged between the output screw and the screw mounting seat; an output interface is arranged in the middle of the screw mounting seat and is connected with the modified non-Newtonian fluid inlet;
and a part with the same structure as the part under the first box body is arranged under the second box body.
Furthermore, the water supply system comprises a first propulsion oil cylinder, a second propulsion oil cylinder, a first feeding cylinder, a second feeding cylinder, a first distribution oil cylinder, a second distribution oil cylinder, a first switching valve, a second switching valve, a three-way pipe and a water storage tank; a first switching valve and a second switching valve are installed in the water storage tank, the first switching valve is connected with the first distribution oil cylinder, and the second switching valve is connected with the second distribution oil cylinder; the water storage tank is connected with an external water source;
the material suction port of the first switching valve is connected with the first feeding cylinder, the first feeding cylinder is connected with the first propulsion oil cylinder, a sealing mounting seat is arranged between the first propulsion oil cylinder and the first feeding cylinder, a piston rod penetrates through the sealing mounting seat, and two ends of the piston rod are respectively connected with a piston in the first propulsion oil cylinder and a piston in the first feeding cylinder;
the suction port of the second distribution oil cylinder is connected with the second feeding cylinder, the second feeding cylinder is connected with the second propulsion oil cylinder, a sealing mounting seat is arranged between the second propulsion oil cylinder and the second feeding cylinder, a piston rod penetrates through the sealing mounting seat, and two ends of the piston rod are respectively connected with a piston in the second propulsion oil cylinder and a piston in the second feeding cylinder; the discharge ports of the first switching valve and the second switching valve are connected with a three-way pipe, the front end of the three-way pipe is provided with an electromagnetic directional valve, and the electromagnetic directional valve is respectively connected with two low-pressure water inlets of the high-pressure water generator through a water pipe.
Furthermore, a k1 stroke controller and a k2 stroke controller are arranged at two ends of the first propulsion oil cylinder; a k3 stroke controller and a k4 stroke controller are arranged at two ends of the second propulsion oil cylinder; a k5 stroke controller and a k6 stroke controller are arranged at two ends of the first distribution oil cylinder; and a k7 stroke controller and a k8 stroke controller are arranged at two ends of the second distribution oil cylinder.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following remarkable effects:
(1) According to the supercharging fire extinguishing device, water flow is further sprayed through the water supply system and the high-pressure water generator, the super-far fire extinguishing effect is achieved, the modified non-Newtonian fluid conveying assembly enables the supercharging fire extinguishing device to carry a modified non-Newtonian fluid fire extinguishing agent or other dry fire extinguishing powder, the non-Newtonian fluid fire extinguishing agent is added, so that the water flow sprayed out when the water flow is further sprayed can be adhered to the surface of an object on fire and coat the surface of the object on fire, flames are extinguished, and fire diffusion or structural reignition is prevented;
(2) According to the supercharging fire extinguishing device, the movable plug is arranged in the generator main cylinder body, the generator main cylinder body is divided into two parts through the movable plug, when the movable plug moves in a high-pressure generation cavity, the volumes of the two divided parts can change, so that one part forms a high-pressure cavity, and the other part forms a low-pressure cavity, and therefore water in the high-pressure generation cavity can be conveniently sprayed out from a high-pressure water joint on the corresponding side to extinguish a fire object;
(3) According to the supercharging fire extinguishing device, the cylinder end cover on the corresponding side is provided with the low-pressure water inlet, water is controlled to enter the high-pressure generating cavity along the low-pressure water inlet on the corresponding side in turn, the movable plug is controlled to move in the high-pressure generating cavity, and therefore the water is sprayed out from the high-pressure water connector, the structural design is ingenious, water resources can be fully utilized to drive the movable plug to move, and the water spraying effect is achieved;
(4) According to the supercharging fire extinguishing device, the sealing sleeve is arranged between the piston and the high-pressure water outlet cylinder body; the movable plug is provided with a sealing component which is in sliding sealing fit with the inner wall of the main cylinder body of the generator, so that the sealing performance of the whole device is ensured, sufficient pressure can be generated in the high-pressure water generator, and the distance of water sprayed out from the high-pressure water joint is increased;
(5) In the use process of the supercharging fire extinguishing device, the modified non-Newtonian fluid fire extinguishing agent or other dry fire extinguishing powder in the first box body and the second box body enters the screw mounting hole, the output screw is driven to rotate through the corresponding motor, so that the modified non-Newtonian fluid fire extinguishing agent or other dry fire extinguishing powder is conveyed to the output interface, is conveyed to the modified non-Newtonian fluid inlet through the output interface, enters the high-pressure water generator and is mixed with water, and is finally sprayed out through the high-pressure water joint to efficiently extinguish a fire object;
(6) According to the supercharging fire extinguishing device, the structure of the water supply system is designed to realize that the low-pressure water inlets can alternately supply water in the water supply process, so that the whole device can continuously spray a mixture of water and a modified non-Newtonian fluid fire extinguishing agent or other dry fire extinguishing powder when extinguishing fire, and a good fire extinguishing effect is achieved.
Drawings
FIG. 1 is a schematic view of a pressurized fire suppression apparatus according to the present invention;
FIG. 2 is an enlarged partial view of the modified non-Newtonian fluid delivery assembly of the present invention.
The reference numbers in the schematic drawings illustrate:
100. a high pressure water generator; 101. a generator main cylinder; 102. a movable plug; 103. a seal assembly; 104. a high pressure generating chamber; 105. a high-pressure water outlet cylinder body; 106. a piston; 107. a cylinder end cover; 108. a low pressure water inlet; 109. a modified non-Newtonian fluid inlet; 110. an exhaust valve; 111. a travel switch; 112. a locking screw assembly; 113. an end cap; 114. a high-pressure water joint; 115. a sealing sleeve;
200. a water delivery system; 201. a first propulsion oil cylinder; 202. a second propulsion oil cylinder; 203. a first feeding cylinder; 204. a second feeding cylinder; 205. a first distribution oil cylinder; 206. a second distribution oil cylinder; 207. a first switching valve; 208. a second switching valve; 209. a three-way pipe; 2010. a water storage tank; 2011. a k1 stroke controller; 2012. a k2 stroke controller; 2013. a k3 stroke controller; 2014. a k4 stroke controller; 2015. a k5 stroke controller; 2016. a k6 stroke controller; 2017. a k7 stroke controller; 2018. a k8 stroke controller; 2019. a sealing plate; 2020. a seal mounting seat;
120. a modified non-newtonian fluid transport component; 121. a first box body; 122. a second box body; 123. a first electromagnetic valve; 124. a second electromagnetic valve; 125. an output motor; 126. a motor mounting seat; 127. an output screw; 128. a screw mounting seat; 129. an output interface; 1210. a Y-shaped sealing body; 1211. a bearing; 1212. sealing the shaft sleeve; 1213. and (4) installing a screw rod in a hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.
Examples
Referring to fig. 1 and 2, a pressurized fire extinguishing apparatus of the present embodiment includes a high pressure water generator 100 for delivering water therein under high pressure, a modified non-newtonian fluid delivery assembly 120 for storing a modified non-newtonian fluid fire extinguishing agent or other dry fire extinguishing powder, the modified non-newtonian fluid delivery assembly 120 for delivering the modified non-newtonian fluid fire extinguishing agent or dry fire extinguishing powder to the interior of the high pressure water generator 100 to be mixed with water, and a water delivery system 200 for circularly pressurizing water to the interior of the high pressure water generator 100 and forming a high pressure chamber and a low pressure chamber; the high-pressure water generator 100 is connected with the water delivery system 200 through a pipeline, and the high-pressure water generator 100 is connected with the modified non-Newtonian fluid delivery assembly 120 through a pipeline.
Specifically, the method comprises the following steps: as shown in fig. 1, the high-pressure water generator 100 includes a generator main cylinder 101, a movable plug 102, a high-pressure water outlet cylinder 105, and a cylinder end cover 107; the number of the high-pressure water outlet cylinder bodies 105 is 2, the high-pressure water outlet cylinder bodies 105 are arranged on the cylinder end covers 107 on the corresponding sides, and the 2 high-pressure water outlet cylinder bodies 105 are bilaterally symmetrical about the main generator cylinder body 101; in addition, a movable plug 102 is installed in a high-pressure generating cavity 104 of the generator main cylinder 101, the centers of two side ends of the movable plug 102 are respectively connected with one end of a piston 106, and the other end of the piston 106 is sleeved in a high-pressure water outlet cylinder 105 on the corresponding side; the high pressure water outlet cylinder 105 of this embodiment has a high pressure water joint 114 screwed to the front end thereof, the high pressure water joint 114 is fitted around the end cap 113, and the end cap 113 is screwed to the high pressure water outlet cylinder 105.
It should be noted that the movable plug 102 of the present embodiment divides the high pressure generating chamber 104 into two parts, and when the movable plug 102 moves in the high pressure generating chamber 104, the volumes of the two parts will change, so that one of the two parts forms a high pressure chamber and the other forms a low pressure chamber, thereby facilitating the ejection of water in the high pressure generating chamber 104 from the high pressure water joint 114.
In this embodiment, a low-pressure water inlet 108 is provided on each cylinder head cover 107 on the corresponding side, and the low-pressure water inlet 108 is communicated with the water supply system 200. The low pressure water inlet 108 is communicated with the high pressure generating chamber 104 on the corresponding side, and as shown in fig. 1, water enters the high pressure generating chamber 104 from the low pressure water inlet 108, so that the movable plug 102 moves in the high pressure generating chamber 104 to spray water from the high pressure water joint 114 on the corresponding side.
It should be noted that, in order to control the movable plug 102 in this embodiment, two low pressure water inlets 108 are controlled to alternately supply water, that is, when one of the low pressure water inlets 108 is opened and the other low pressure water inlet 108 is closed, the amount of water in the high pressure generating cavity 104 communicated with the water inlet end of the low pressure water inlet 108 is continuously increased, so as to push the movable plug 102 to move in the high pressure generating cavity 104, so that the volume of the end which is not supplied with water is continuously decreased, and when a certain degree is reached, the low pressure water inlet 108 is closed and the other low pressure water inlet 108 is opened, so that the end which is not supplied with water previously in the high pressure generating cavity 104 is continuously accumulated, so that the movable plug 102 moves reversely, and the water in the end which is supplied with water previously is ejected from the high pressure water joint 114 on the corresponding side, so as to repeat the above steps, thereby ejecting the water in the high pressure generating cavity 104.
In addition, the cylinder end covers 107 are fixedly connected through a locking screw assembly 112; the cylinder end cover 107 is provided with at least one travel switch 111, and the travel switch 111 is used for sensing the position of the movable plug 102 in the high-pressure generating cavity 104 and controlling the movement of the movable plug 102 in the high-pressure generating cavity 104, so that the stable operation of the device is ensured.
In the using process, because the water enters the high-pressure water outlet cylinder 105 and is mixed with gas, in order to ensure the continuity of the water sprayed on the high-pressure water joint 114, the left side and the right side of the upper end of the high-pressure water outlet cylinder 105 are respectively provided with a gas exhaust valve 110 for exhausting the gas mixed in when the high-pressure water outlet cylinder 105 is pressed into the water, and the problem of cut-off caused by the existence of the gas is avoided.
In order to increase the distance of water sprayed from the high-pressure water joint 114, a sealing sleeve 115 is arranged between the piston 106 and the high-pressure water outlet cylinder 105, a sealing assembly 103 is arranged on the movable plug 102, and the sealing assembly 103 is in sliding sealing fit with the inner wall of the generator main cylinder 101, so that the sealing performance of the whole device is ensured, and sufficient pressure can be generated in the high-pressure water generator 100.
Furthermore, in this embodiment, modified non-Newtonian fluid inlets 109 are provided on the sides of the two cylinder end caps 107, respectively, and the modified non-Newtonian fluid inlets 109 are in communication with the modified non-Newtonian fluid delivery assembly 120. The modified non-Newtonian fluid conveying assembly 120 comprises a first box 121, a second box 122, a first electromagnetic valve 123 and a second electromagnetic valve 124; the lower ends of the first box 121 and the second box 122 are cone-barrel-shaped structures, as shown in fig. 1, the modified non-newtonian fluid or other dry fire extinguishing powder can be stored in the first box 121 and the second box 122, in order to facilitate control over transmission of the modified non-newtonian fluid or other dry fire extinguishing powder inside the boxes, in this embodiment, the first electromagnetic valve 123 is installed at the cone-barrel-shaped bottom of the first box 121, and similarly, the second electromagnetic valve 124 is installed at the cone-barrel-shaped bottom of the second box 122.
In the present embodiment, the first casing 121 and the second casing 122 are symmetrically installed on the screw installation base 128, as shown in fig. 1, taking the side of the first casing 121 as an example, a screw installation hole 1213 is provided inside the screw installation base 128 on the side, an output screw 127 is installed in the screw installation hole 1213, an end of the output screw 127 is connected to an output shaft of a corresponding output motor 125 through a coupling, the output motor 125 is installed on the motor installation base 126, and the motor installation base 126 is fixedly installed on the screw installation base 128 through a fixing member such as a bolt or a screw.
Preferably, a Y-shaped sealing body 1210, a bearing 1211 and a sleeve seal 1212 are arranged between the output screw 127 and the screw mounting seat 128 in the present embodiment, and as shown in fig. 2, the Y-shaped sealing body 1210, the bearing 1211 and the sleeve seal 1212 are arranged in sequence and are sequentially separated from the output motor 125 on the corresponding side.
Similarly, the second case 122 of the present embodiment is provided with a component having the same structure as the first case 121, and the two components are symmetrically arranged with the output interface 129 on the screw mounting seat 128 as a symmetry axis; the output interface 129 is communicated with the modified non-Newtonian fluid inlet 109 on the corresponding side; referring to fig. 1, the first casing 121 and the second casing 122 are communicated with the screw mounting holes 1213 on the corresponding sides through the first solenoid valve 123 and the second solenoid valve 124, and the output of the modified non-newtonian fluid in the first casing 121 and the second casing 122 is controlled by controlling the rotation speed of the motor.
The water supply system 200 comprises a first propulsion oil cylinder 201, a second propulsion oil cylinder 202, a first feeding cylinder 203, a second feeding cylinder 204, a first distribution oil cylinder 205, a second distribution oil cylinder 206, a first switching valve 207, a second switching valve 208, a three-way pipe 209 and a water storage tank 2010; a first switching valve 207 and a second switching valve 208 are installed in the water storage tank 2010, wherein the first switching valve 207 is connected with a first distribution oil cylinder 205, and the second switching valve 208 is connected with a second distribution oil cylinder 206; the water storage tank 2010 is connected with an external water source;
the material suction port of the first switching valve 207 is connected with the first feeding cylinder 203, the first feeding cylinder 203 is connected with the first propulsion oil cylinder 201, a sealing mounting seat 2020 is arranged between the first propulsion oil cylinder 201 and the first feeding cylinder 203, a piston rod is arranged on the sealing mounting seat 2020, the piston rod penetrates through the sealing mounting seat 2020, and two ends of the piston rod are respectively connected with a piston in the first propulsion oil cylinder 201 and a piston in the first feeding cylinder 203;
similarly, the suction port of the second distribution cylinder 206 of the embodiment is connected to the second feeding cylinder 204, the second feeding cylinder 204 is connected to the second propulsion cylinder 202, a seal mount 2020 is disposed between the second propulsion cylinder 202 and the second feeding cylinder 204, a piston rod is disposed on the seal mount 2020, the piston rod passes through the seal mount 2020, and two ends of the piston rod are respectively connected to the piston in the second propulsion cylinder 202 and the piston in the second feeding cylinder 204;
the discharge ports of the first switching valve 207 and the second switching valve 208 are connected with a three-way pipe 209, the front end of the three-way pipe 209 is provided with an electromagnetic directional valve, and the electromagnetic directional valve is respectively connected with the two low-pressure water inlets 108 of the high-pressure water generator 100 through water pipes, so that the low-pressure water inlets 108 are controlled to alternately feed water.
A k1 stroke controller 2011 and a k2 stroke controller 2012 are arranged at two ends of the first propulsion oil cylinder 201; a k3 stroke controller 2013 and a k4 stroke controller 2014 are arranged at two ends of the second propulsion oil cylinder 202; a k5 stroke controller 2015 and a k6 stroke controller 2016 are arranged at two ends of the first distribution oil cylinder 205; and k7 stroke controllers 2017 and k8 stroke controllers 2018 are arranged at two ends of the second distribution oil cylinder 206. The stroke controller is used for sensing the position of the oil cylinder, and is convenient for the subsequent PLC to program and automatically control.
Further, as shown in fig. 1, a sealing plate 2019 is provided on the side surface of the first switching valve 207 and the second switching valve 208, and the sealing plate 2019 is used for sealing the mating seal of the corresponding switching valve and the cylinder; if the second propulsion oil cylinder 202 is sealed in a matched mode through the sealing plate 2019 and the second switching valve 208, the water sucked by the second propulsion oil cylinder 202 is pressed into the high-pressure water outlet cylinder body 105; after the second propulsion oil cylinder 202 is propelled to the right position, the first propulsion oil cylinder 201 returns to the right position to pump water into the cylinder body from the water storage tank 2010, the first propulsion oil cylinder 201 is switched to, the sealing plate 2019 and the first switching valve 207 are sealed in a matched mode through the first distribution oil cylinder 205, and sucked water is pressed into the high-pressure water outlet cylinder body 105; the water is continuously pressed into the high-pressure water outlet cylinder 105 by the recycling.
When the pressurization fire extinguishing device is used, a connector of a water storage tank 2010 is communicated with an external water source, a hydraulic system is started to push water into a high-pressure generation cavity 104 from a first switching valve 207 and a three-way pipe 209 through the cooperation of a first pushing oil cylinder 201 and a first distribution oil cylinder 205, the first pushing oil cylinder 201 and the first distribution oil cylinder 205 are reset and closed, a second pushing oil cylinder 202 and a second distribution oil cylinder 206 are matched to push water into the high-pressure generation cavity 104 from a second switching valve 208 and the three-way pipe 209, at the moment, an electromagnetic reversing valve is closed, the circulation is carried out, a movable plug 102 in the high-pressure generation cavity 104 is pushed left and right under the action of high pressure, and then high-pressure water is sprayed out through a high-pressure water connector 114.
When it is desired to add the modified non-newtonian fluid, the output motor 125 in the modified non-newtonian fluid delivery assembly 120 is turned on, the modified non-newtonian fluid enters the high pressure generating chamber 104 through the output port 129 and the modified non-newtonian fluid inlet 109 of the high pressure water generator 100, and is ejected from the high pressure water junction 114 along with the water flow, the addition of the ejected modified non-newtonian fluid may cause it to adhere to and coat the surface of the burning object, extinguish the flame, and prevent the spread of fire, or prevent the re-burning of structures. The specific formula of the modified non-Newtonian fluid is the prior art, such as the water-enhanced fire-extinguishing hydrogel disclosed in CN201580073934.0 of China, and the invention is not described in detail.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, without departing from the spirit of the present invention, a person of ordinary skill in the art should understand that the present invention shall not be limited to the embodiments and the similar structural modes without creative design.
Claims (4)
1. A pressure boost extinguishing device which characterized in that: the device comprises a high-pressure water generator for transmitting water inside the high-pressure water generator under high pressure, a modified non-Newtonian fluid conveying assembly for storing a modified non-Newtonian fluid fire extinguishing agent or other dry fire extinguishing powder and transmitting the fire extinguishing agent and the dry fire extinguishing powder to the inside of the high-pressure water generator to be mixed with water, and a water conveying system for circularly pressing water into the inside of the high-pressure water generator and enabling the water to form a high-pressure cavity and a low-pressure cavity; the high-pressure water generator is connected with the water delivery system through a pipeline, the high-pressure water generator is connected with the modified non-Newtonian fluid conveying assembly through a pipeline, and the water delivery system comprises a first propulsion oil cylinder, a second propulsion oil cylinder, a first feeding cylinder, a second feeding cylinder, a first distribution oil cylinder, a second distribution oil cylinder, a first switching valve, a second switching valve, a three-way pipe and a water storage tank; a first switching valve and a second switching valve are installed in the water storage tank, the first switching valve is connected with the first distribution oil cylinder, and the second switching valve is connected with the second distribution oil cylinder; the water storage tank is connected with an external water source;
the high-pressure water generator comprises a generator main cylinder body, a movable plug and a high-pressure water outlet cylinder body; 2 high-pressure water outlet cylinders are arranged, and the 2 high-pressure water outlet cylinders are symmetrical relative to the main generator cylinder; the generator is characterized in that a movable plug is arranged in the main cylinder body of the generator, the centers of two side ends of the movable plug are connected with one end of a piston, the other end of the piston is sleeved in a high-pressure water outlet cylinder body on the corresponding side, the front end of the high-pressure water outlet cylinder body is in threaded connection with a high-pressure water joint, the high-pressure water joint is sleeved in an end cover, and the end cover is in threaded connection with the high-pressure water outlet cylinder body; the high-pressure water generator also comprises 2 cylinder end covers, the high-pressure water outlet cylinder body is arranged on the cylinder end cover on the corresponding side, a low-pressure water inlet is arranged on the cylinder end cover, and the low-pressure water inlet is communicated with the high-pressure generating cavity of the main generator cylinder body on the corresponding side; the side surface of the cylinder end cover is also provided with a modified non-Newtonian fluid inlet which is communicated with the modified non-Newtonian fluid conveying assembly;
the material suction port of the first switching valve is connected with the first feeding cylinder, the first feeding cylinder is connected with the first propulsion oil cylinder, a sealing mounting seat is arranged between the first propulsion oil cylinder and the first feeding cylinder, a piston rod penetrates through the sealing mounting seat, and two ends of the piston rod are respectively connected with a piston in the first propulsion oil cylinder and a piston in the first feeding cylinder;
the suction port of the second distribution oil cylinder is connected with the second feeding cylinder, the second feeding cylinder is connected with the second propulsion oil cylinder, a sealing mounting seat is arranged between the second propulsion oil cylinder and the second feeding cylinder, a piston rod penetrates through the sealing mounting seat, and two ends of the piston rod are respectively connected with a piston in the second propulsion oil cylinder and a piston in the second feeding cylinder; the discharge ports of the first switching valve and the second switching valve are connected with a three-way pipe, the front end of the three-way pipe is provided with an electromagnetic directional valve, and the electromagnetic directional valve is respectively connected with two low-pressure water inlets of a high-pressure water generator through a water pipe; a k1 stroke controller and a k2 stroke controller are arranged at two ends of the first propulsion oil cylinder; a k3 stroke controller and a k4 stroke controller are arranged at two ends of the second propulsion oil cylinder; a k5 stroke controller and a k6 stroke controller are arranged at two ends of the first distribution oil cylinder; and a k7 stroke controller and a k8 stroke controller are arranged at two ends of the second distribution oil cylinder.
2. A pressurized fire extinguishing apparatus according to claim 1, wherein: a sealing sleeve is arranged between the piston and the high-pressure water outlet cylinder body; the movable plug is provided with a sealing component which is in sliding sealing fit with the inner wall of the main cylinder body of the generator.
3. A pressurized fire extinguishing apparatus according to claim 2, wherein: the cylinder end covers are fixedly connected through a locking screw assembly; at least one travel switch is arranged on the cylinder end cover.
4. A forced fire extinguishing apparatus according to any one of claims 1-3, characterized in that: the modified non-Newtonian fluid conveying assembly comprises a first box body, a second box body, a first electromagnetic valve and a second electromagnetic valve; the lower ends of the first box body and the second box body are in a cone barrel shape and are stored with modified non-Newtonian fluid fire extinguishing agents or other dry fire extinguishing powder materials, the cone barrel-shaped bottom of the first box body is provided with a first electromagnetic valve, the cone barrel-shaped bottom of the second box body is provided with a second electromagnetic valve, and the first box body and the second box body are arranged on the screw mounting seat in a bilateral symmetry manner; a screw mounting hole is formed in the screw mounting seat below the first box body, an output screw is mounted in the screw inner hole, the end part of the output screw is connected with the output shaft of the corresponding output motor through a coupler, and a Y-shaped sealing body, a bearing and a shaft sleeve seal are arranged between the output screw and the screw mounting seat; an output interface is arranged in the middle of the screw mounting seat and is connected with the modified non-Newtonian fluid inlet; and a part with the same structure as the part under the first box body is arranged under the second box body.
Priority Applications (1)
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| FR2936715A1 (en) * | 2008-10-03 | 2010-04-09 | Airbus France | Fluid ejecting device e.g. hydraulic oil extinguisher, for aircraft, has pressurization chamber provided with sock sealingly separating interior of pressurization chamber from side walls of tank |
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