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CN-121971824-A - High-multiple foam generator and installation method thereof

CN121971824ACN 121971824 ACN121971824 ACN 121971824ACN-121971824-A

Abstract

The invention discloses a high-multiple foam generator and an installation method thereof, belongs to the technical field of fire-fighting equipment, and is mainly used for extinguishing fire. The invention aims to solve the technical problem of providing a high-multiple foam generator which comprises a machine body and a nozzle manifold, wherein the machine body comprises a guide cylinder and a foam generating cylinder which are hollow in the inside and are communicated with each other, the nozzle manifold is arranged at one end of the guide cylinder far away from the foam generating cylinder, a nozzle with an opening facing the inside of the guide cylinder is arranged on the nozzle manifold, a bottom supporting frame is arranged on the outer side wall of the guide cylinder, the bottom supporting frame comprises a vertical plate and a horizontal plate, the vertical plate and the horizontal plate are enclosed with the outer side wall of the guide cylinder to form a supporting cavity, an assembly hole is formed in the horizontal plate, an inwards folded funnel-shaped screen is arranged in the foam generating cylinder, and the tip part faces the guide cylinder. The method for installing the foam high-power generation device comprises the steps of installing the hanging belt, lifting the crane, positioning and installing equipment, wherein foam high-power generation can be realized without any external power supply or fan component, the weight is light, and the installation steps are simple.

Inventors

  • ZHOU GANG
  • Zhang Miaochen
  • XIA ZIHAN
  • CHEN XIUGUI
  • ZHANG ZHONGXIANG

Assignees

  • 中国电建集团山东电力建设有限公司

Dates

Publication Date
20260505
Application Date
20260320

Claims (10)

  1. 1. A high-multiple foam generator is characterized by comprising a machine body (1) and a nozzle manifold (2), wherein the machine body (1) comprises a guide cylinder (11) and a foam generating cylinder (12) which are hollow in the interior and are communicated with each other, The nozzle manifold (2) is arranged at one end of the guide cylinder (11) far away from the foam generating cylinder (12), the nozzle manifold (2) is provided with a nozzle (21) for spraying foam solution and sucking air, and the opening of the nozzle (21) faces into the guide cylinder (11); The bottom support frame (3) is further arranged on the outer side wall of the guide cylinder (11), the bottom support frame (3) comprises a vertical plate (31) and a horizontal plate (32), the horizontal plate (32) is transversely arranged on the outer side wall of the guide cylinder (11), the two ends of the horizontal plate (32) are respectively connected with the vertical plate (31) fixedly connected with the outer side wall of the guide cylinder (11), the horizontal plate (32) is further provided with an assembly hole (321) for installing the machine body (1), the vertical plate (31) and the horizontal plate (32) are enclosed with the outer side wall of the guide cylinder (11) to form a support cavity (33), and the bottom support frame (3) is at least provided with two parts along the length direction of the guide cylinder (11); the foam generating cylinder (12) is smaller than the diameter of one end connected with the guide cylinder (11) at the position, far away from the guide cylinder (11), of the foam generating cylinder (12), an inward folding screen structure for foam expansion is arranged in the foam generating cylinder (12), the screen structure comprises a funnel-shaped screen (121) folded towards the guide cylinder (11), the funnel-shaped screen (121) is at least folded in two layers, a tip part (122) of the funnel-shaped screen (121) is arranged in the foam generating cylinder (12) towards the guide cylinder (11), and the bottom of the funnel-shaped screen (121) is fixedly connected with one end, far away from the guide cylinder (11), of the foam generating cylinder (12).
  2. 2. The high-power foam generator as claimed in claim 1, further comprising a mating bracket (4) for connecting the two frames (1), wherein the mating bracket (4) comprises a frame-type frame (41) and a mating bolt (42), each side plate of the frame-type frame (41) is provided with a mating hole (411) corresponding to the mating hole (321) one by one, and the mating bolt (42) sequentially passes through the mating hole (321) and the mating hole (411) to connect the mating bracket (4) with the bottom supporting frame (3).
  3. 3. The high-multiple foam generator according to claim 1 or 2, further comprising a manifold support frame (5), wherein the manifold support frame (5) comprises a connecting rod (51) and a connecting bolt (52), one end of the connecting rod (51) is fixedly connected with the nozzle manifold (2), a mounting hole (511) is formed in the other end of the connecting rod, a connecting hole (111) corresponding to the mounting hole (511) is formed in the guide cylinder (11), and the connecting bolt (52) sequentially penetrates through the connecting hole (111) and the mounting hole (511) to fix the connecting rod (51) and the guide cylinder (11).
  4. 4. A high-power foam generator as claimed in claim 3, characterized in that at least 2 mounting holes (511) are provided along the length of the connecting rod (51).
  5. 5. A method for installing a high-power foam generator according to any one of claims 1to 4, comprising: the hanging strip (6) is installed, the hanging strip (6) sequentially penetrates through a supporting cavity (33) formed by the bottom supporting frame (3) and the guide cylinder (11) to connect the crane and the high-multiple foam generator to be installed, or the hanging strip (6) penetrates through the nozzle manifold (2) to connect the crane and the high-multiple foam generator to be installed; The other end of the hanging strip (6) is connected with the crane to drive the high-multiple foam generator to move; The high-multiple foam generator hoisted to the installation position is connected with a preset installation bracket (7) through bolts, the installation bracket (7) comprises a horizontal bracket (71), a vertical installation bolt (711) vertically downwards is arranged on the horizontal bracket (71), and the vertical installation bolt (711) passes through an assembly hole (321) to connect the machine body (1) and the installation bracket (7); And (3) after the installation is finished, checking the installation firmness of the nozzle manifold (2), the bottom support frame (3) and the screen structure, checking the tightness of the joint of the guide cylinder (11) and the foam generating cylinder (12), then performing idle test operation, starting the equipment, and checking the injection state of the nozzle (21).
  6. 6. The method for installing the high-power foam generator according to claim 5, further comprising installing a nozzle manifold (2) before installing the hanging strip (6), wherein a manifold supporting frame (5) is arranged between the nozzle manifold (2) and the guide cylinder (11), the manifold supporting frame (5) comprises a connecting rod (51) and a connecting bolt (52), one end of the connecting rod (51) is fixedly connected with the nozzle manifold (2), the other end of the connecting rod is provided with an installing hole (511), the guide cylinder (11) is provided with a connecting hole (111) corresponding to the installing hole (511), and the connecting bolt (52) sequentially penetrates through the connecting hole (111), the installing hole (511) to fix the connecting rod (51) and the guide cylinder (11) so as to install the nozzle manifold (2) on the guide cylinder (11).
  7. 7. A method of installing a high-power foam generator according to claim 6, wherein the manifold support (5) is mountable in the guide cylinder (11) in the direction of the foam generating cylinder (12) during packaging and transportation, and the nozzle manifold (2) is located in the guide cylinder (11).
  8. 8. The method for installing the high-multiple foam generator according to claim 5, wherein when two high-multiple foam generators are required to be installed in pairs, after the single machine assembly is completed, the two assembled high-multiple foam generators are laterally rolled to enable the bottom supporting frames (3) to be oppositely arranged, and a pairing bracket (4) is arranged between the two high-multiple foam generators for connection and fixation; The pairing support (4) comprises a frame-shaped frame (41) and assembling bolts (42), pairing holes (411) corresponding to the assembling holes (321) one by one are formed in each side plate of the frame-shaped frame (41), and the assembling bolts (42) sequentially penetrate through the assembling holes (321) and the pairing holes (411) to connect the pairing support (4) and the bottom support frame (3).
  9. 9. The method for installing the high-power foam generator according to claim 8, wherein the hanging strip (6) is bound on the frame (41) when the hanging strip (6) is installed, and the vertical installation bolts (711) penetrate through the matching holes (411) formed on the frame (41) to connect the frame (41) with the installation bracket (7) when the hanging strip is installed in a positioning mode.
  10. 10. The method for installing the high-power foam generator according to any one of claims 5 to 9, wherein the installing support (7) further comprises a vertical support (72), the vertical support (72) is vertically arranged below the horizontal support (71), a transverse installing bolt for connecting the vertical support (72) and the high-power foam generator is arranged on the vertical support (72), and the transverse installing bolt is arranged on the vertical support (72) in parallel to the horizontal support (71).

Description

High-multiple foam generator and installation method thereof Technical Field The invention relates to the technical field of fire-fighting equipment, in particular to a high-multiple foam generator and an installation method thereof. Background The high-multiple foam fire extinguishing system is a fire extinguishing technology for expanding foam solution into a large number of stable bubbles through a foaming device, and is widely applied to dangerous places such as hangars, warehouses, cable tunnels, underground storage tanks and the like where common combustible substances and hydrocarbon combustible liquids exist. The system can cover the combustion area by rapidly generating a large amount of foam, isolate air and cool combustion objects, thereby realizing high-efficiency fire extinguishment. With the continuous improvement of fire safety requirements, higher requirements are put on the performance, reliability and usability of the high-multiple foam generator. The existing high-multiple foam generator mainly adopts a fan driving mode to realize foam generation. For example, chinese patent CN110548239a discloses a medium-high multiple foam generating device, which comprises a centrifugal fan and a generator shell with a supporting plate, wherein an air pipe is arranged in the generator shell, a variable diameter section of the air pipe is connected with the centrifugal fan through flexible connection of the air pipe, an air distribution grid for uniform air flow is arranged in the variable diameter section of the air pipe, and the air distribution grid is composed of multiple layers of horizontal and vertical partition plates. The device generates air flow through a centrifugal fan, and the air flow is uniformly distributed through an air distribution grid and then is mixed with foam solution to form foam. However, the device requires the configuration of a centrifugal fan as a power source, resulting in a large overall weight of the apparatus, typically in excess of 50 kg, which is inconvenient for transportation and field installation. Meanwhile, the centrifugal fan is used as a moving part, and needs to be regularly maintained, so that the use cost and the maintenance difficulty are increased. In addition, the operation of the centrifugal fan requires additional electric power or hydraulic power, and the energy consumption is high. The high-multiple foam generator in the prior art generally has the following problems that firstly, a fan needs to be configured as a power source, so that the equipment is heavy and complex in structure and inconvenient to transport and install, secondly, the fan needs to be regularly maintained as a moving part, the use cost and the maintenance difficulty are increased, thirdly, the fan needs additional power to operate, the energy consumption is high, fourthly, the foaming net structure is a fixed single-layer or multi-layer partition plate, the foaming surface area is limited, the foaming multiple and the foaming efficiency are difficult to further promote, and thirdly, the installation flexibility of the equipment is limited by the position of the fan and is difficult to install in a complex scene. Therefore, there is a need for a high-power foam generator and method of installing the same that does not require fan driving, is structurally simplified, is lightweight, has high foaming efficiency, and is flexible to install. Disclosure of Invention The invention aims to solve the technical problem of providing a high-multiple foam generator and an installation method thereof, which are mainly used for extinguishing fire, so as to achieve the purposes of realizing 600-1000 times of high-power generation of foam without any external power supply or fan component, realizing the light weight of the foam generator and simplifying the installation steps. The invention discloses a high-multiple foam generator, which comprises a machine body and a nozzle manifold, wherein the machine body comprises a guide cylinder and a foam generating cylinder which are hollow in the interior and are communicated with each other, The nozzle manifold is arranged at one end of the guide cylinder far away from the foam generating cylinder, a nozzle for spraying foam solution and sucking air is arranged on the nozzle manifold, and an opening of the nozzle faces into the guide cylinder; The guide cylinder is characterized in that the outer side wall of the guide cylinder is also provided with a bottom support frame, the bottom support frame comprises a vertical plate and a horizontal plate, the horizontal plate is transversely arranged on the outer side wall of the guide cylinder, two ends of the horizontal plate are respectively connected with the vertical plate fixedly connected with the outer side wall of the guide cylinder, and the horizontal plate is also provided with an assembly hole for installing a machine body; The foam generating cylinder is provided with an inward folding screen struc