CN115887966B - Multi-layer composite firewall structure for rail transit - Google Patents
Multi-layer composite firewall structure for rail transit Download PDFInfo
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- CN115887966B CN115887966B CN202211144283.8A CN202211144283A CN115887966B CN 115887966 B CN115887966 B CN 115887966B CN 202211144283 A CN202211144283 A CN 202211144283A CN 115887966 B CN115887966 B CN 115887966B
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- 239000007788 liquid Substances 0.000 claims description 43
- 238000003860 storage Methods 0.000 claims description 21
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- 238000002360 preparation method Methods 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 9
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- 229910052709 silver Inorganic materials 0.000 claims description 8
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- 238000010285 flame spraying Methods 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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Abstract
The invention relates to the technical field of fireproof walls and discloses a multi-layer composite firewall structure for rail transit, which comprises a tunnel wall body and a fireproof structure in the tunnel wall body, wherein one side of the fireproof structure is provided with a fireproof partition structure which is used for connecting edges of the two fireproof structures, the fireproof partition structure comprises an arc-shaped frame, a connecting clamping groove, positioning holes, fireproof cloth, a counterweight underframe and a supporting spring plate, and the upper surface of the arc-shaped frame is provided with positioning holes in a fan-shaped direction. According to the fire-proof device, flames are isolated through the fire-proof cloth, the fire is isolated, the fire is prevented from spreading, the flames and smoke have upward combustion trend, and the distance between the fire-proof cloth and the ground is set so that fire conditions can be observed by rescue workers and the smoke in the fire-proof device is blocked, so that the fire-proof device has the fire-proof isolation function, and is convenient for the rescue workers to observe the fire conditions and block the spreading function of the smoke.
Description
Technical Field
The invention relates to the technical field of fireproof walls, in particular to a multi-layer composite firewall structure for rail transit.
Background
Rail traffic refers to a type of transportation means or transportation system in which an operating vehicle needs to travel on a specific track, and most typical rail traffic is a railway system consisting of a conventional train and a standard railway, and along with the diversified development of train and railway technologies, the rail traffic is of more and more types, and is widely used for not only long-distance land transportation but also underground personnel and cargo transportation.
However, during underground transportation, the underground tunnel transportation environment is narrow, if a fire condition occurs, the fire condition is difficult to isolate, meanwhile, the flame can burn nearby objects, so that dense smoke in the track is diffused rapidly, the dense smoke is fine particles generated by burning plastic or other materials and mixed in the air, and the fine particles are sucked into a human body to cause great harm to the human body.
Disclosure of Invention
The invention provides a multi-layer composite firewall structure for rail transit, which has the beneficial effect of quickly purifying particles in smoke, and solves the problems that the underground transportation environment is narrow, if a fire occurs, the fire is difficult to isolate, meanwhile, the flame can burn nearby objects, so that the smoke in the rail is diffused rapidly, the smoke is mixed in the air by fine particles generated by burning plastic or other materials, and the fine particles are sucked into the human body, so that the human body is greatly injured.
The invention provides the following technical scheme: the utility model provides a multi-level combined type of track traffic prevents hot wall structure, includes the fireproof structure in tunnel wall body and the tunnel wall body, fireproof partition structure is installed to one side of fireproof structure, fireproof partition structure is used for being connected two fireproof structure's edge, fireproof partition structure includes arc frame, connection draw-in groove, locating hole, fire prevention cloth, counter weight chassis and supports the springboard, the upper surface of arc frame is fan-shaped direction range and is equipped with the locating hole, the bilateral symmetry of arc frame is equipped with the connection draw-in groove, the lower extreme of arc frame is connected with fire prevention cloth, counter weight chassis is installed to the lower extreme symmetry of fire prevention cloth, two install counter weight chassis between the support springboard, counter weight chassis is used for supporting the outside expansion of support springboard.
As an alternative scheme of the multi-level compound firewall structure for rail transit, the invention comprises the following steps: the lower extreme of arc frame one side is equipped with the support casing, the internally mounted of support casing has the string hook frame, the support spring plate is used for the inboard at the string hook frame, the internally mounted of string hook frame has the interlock wax, the string hook frame is used for installing inside the interlock wax, the outside of string hook frame is equipped with the block tongue, the block tongue is used for increasing the frictional force of string hook frame and interlock wax, the heat-conducting plate is installed to one side of support casing inside, the heat-conducting plate is used for increasing the heat conduction performance of interlock wax and external.
As an alternative scheme of the multi-level compound firewall structure for rail transit, the invention comprises the following steps: the fireproof structure comprises a fireproof wall body, a suction cavity, a suction port, a suction pipeline and an exhaust fan, wherein the suction cavity is arranged in the fireproof wall body and is in an arc-shaped structure, the suction port positioned at the lower end of the fireproof wall body is arranged at the lower end of the suction cavity, the suction pipeline is arranged above the fireproof wall body, the exhaust fan is arranged at one end of the suction pipeline, the suction pipeline is communicated with the suction cavity, fixed insertion holes are formed in two sides of the fireproof wall body, bolts are inserted and fixed between the fixed insertion holes and the positioning holes, and two sides of the fireproof wall body are embedded into the connecting clamping grooves.
As an alternative scheme of the multi-level compound firewall structure for rail transit, the invention comprises the following steps: the filter structure is installed to fire wall's top, the filter structure includes filter tank body, filter chamber, sealing washer and extension pipe, the one end of the inside of filter tank body is equipped with the filter chamber, the inside of filter tank body still is equipped with prepares the box, prepare the inside of box and filter chamber and be the intercommunication state, the centre of filter chamber is equipped with the division board, the one end of suction pipe is used for extending to one side of filter chamber inner wall, the one end of filter chamber is equipped with the extension pipe, the inside packing of filter chamber has the filtrate, the sealing washer is installed to the one end of suction pipe.
As an alternative scheme of the multi-level compound firewall structure for rail transit, the invention comprises the following steps: the upper end of the filtering box body is provided with a filtrate cleaning structure, the filtrate cleaning structure comprises a filtrate box body, an upper bracket and a filtering frame, the filtering frame is arranged in the filtrate box body, the upper bracket is arranged at the upper end of the filtering frame, a liquid suction pipe is arranged at one side of the filtering box body, the liquid suction pipe and a return pipe are respectively arranged at two ends of the outer side of the filtering box body, one end and the filter chamber intercommunication of drawing liquid pipe, the other end and the upper end of filtrate box one side of drawing liquid pipe are connected, the one end and the preparation box intercommunication of back flow, the other end and the lower extreme of filtrate box opposite side of back flow are connected, the suction pump body is all installed to the inside of drawing liquid pipe and back flow.
As an alternative scheme of the multi-level compound firewall structure for rail transit, the invention comprises the following steps: the upper surface of fire wall body is equipped with gaseous structure that returns, gaseous structure that returns includes return air casing, reposition of redundant personnel cavity, blowout port and air-out port, the blowout port is installed to the upper end of return air casing, the inside of return air casing is equipped with reposition of redundant personnel cavity, the upper end of blowout port is used for communicating with the filter chamber, the lower extreme of reposition of redundant personnel cavity is equipped with the air-out port that is located the return air casing, the inside that the air-out port runs through fire wall body.
As an alternative scheme of the multi-level compound firewall structure for rail transit, the invention comprises the following steps: one side of fire wall body is equipped with sprays the structure, spray the structure and put out a fire casing, storage box and high-pressure pump body including putting out a fire, the inside of putting out a fire the casing is equipped with the storage box, the internally mounted of storage box has the high-pressure pump body, the vaporific shower nozzle that is located the casing outside of putting out a fire is installed to one side of the high-pressure pump body.
As an alternative scheme of the multi-level compound firewall structure for rail transit, the invention comprises the following steps: the upper end of the fire extinguishing shell is provided with a connecting pipeline, the upper end of the connecting pipeline is used for being communicated with the interior of the preparation box body, the lower end of the connecting pipeline is provided with an extension inner pipe positioned in the fire extinguishing shell body, the interior of the extension inner pipe is provided with a movable sealing plug, the lower end of the extension inner pipe is provided with a liquid outlet notch, and a filter screen is arranged between the storage box body and the preparation box body.
As an alternative scheme of the multi-level compound firewall structure for rail transit, the invention comprises the following steps: the inside of filter frame is equipped with spacing inside groove, the silver is crossed to the side is installed at the both ends of the inside of spacing inside groove, two the side is crossed and is installed the stack and filter the silver between the silver.
As an alternative scheme of the multi-level compound firewall structure for rail transit, the invention comprises the following steps: one side of the stacked filter cotton sliver is provided with a positioning hole, the other side of the stacked filter cotton sliver is provided with an extending edge pin, the extending edge pin is used for being embedded into the positioning hole, the upper end of the filter frame is provided with an upper sealing cover, and the upper sealing cover is used for being embedded into the upper surface of the filter frame.
The invention has the following beneficial effects:
1. this multi-level combined type of track traffic prevents wall structure through the effect of fire cloth, can in time drop, keep apart the condition of a fire, and all install the arc frame between every two fireproof wall bodies, on-the-spot staff can keep apart the flame according to on-the-spot condition of a fire through the fire cloth, and play the isolation of the condition of a fire and prevent the effect that the condition of a fire spread, and flame and flue gas all have ascending burning tendency nature, be equipped with the distance between fire cloth and the ground, then in order to can rescue personnel observe the condition of a fire, stop inside flue gas simultaneously, thereby make the device possess the isolation of the condition of a fire, and the rescue personnel of being convenient for observe the condition of a fire, and block the function of spreading of flue gas.
2. This multilayer combined type of track traffic prevents wall structure, through the cooperation of filtration inner structure, utilize the adsorption characteristic of water liquid, adsorb the operation to granule in the flue gas, make gas and water liquid separate, when making gas leave in the water liquid, with granule stagnate in the water liquid, and when the conflagration breaks out, through the combustion characteristic of granule, then can float in the tunnel top region, and the fire wall body adopts arc structure, when corresponding with the tunnel inner structure, form the situation of gathering together to the granule, can adsorb the granule that wafts in the top to the furthest, and improve the suction efficiency of granule.
3. This multilayer combined type of track traffic prevents wall structure through spraying the cooperation of structure and preparing the box, and vaporific shower nozzle can spray the operation to the flame bottom, puts out a fire from the flame root, reduces its combustion's scope by a wide margin, avoids the flame potential head to scurry the regional influence that causes, and prepares the effect of box, then is after the inside liquid of storage box sprays, fills the inside liquid of storage box, supplements the inside liquid of storage box, can also be for the inside height that keeps the liquid measure of filter chamber simultaneously, makes it filter under suitable state.
Drawings
Fig. 1 is a schematic view of the installation position of the fire-proof structure of the present invention.
Fig. 2 is a schematic view of the structure of the fireproof wall body of the present invention.
FIG. 3 is a schematic cross-sectional view of a fire-resistant wall according to the present invention.
Fig. 4 is a schematic view of the bottom structure of the fireproof wall body of the present invention.
FIG. 5 is a schematic view of a filter frame structure according to the present invention.
Fig. 6 is a schematic diagram of the structure of fig. 3 at a.
FIG. 7 is a schematic view of a fire-blocking partition according to the present invention.
Fig. 8 is a schematic view of the internal structure of the support housing of the present invention.
In the figure: 1. a tunnel wall; 2. a fire protection structure; 21. fireproof wall bodies; 22. a suction cavity; 23. a suction port; 24. a suction duct; 25. an exhaust fan; 3. a filtering structure; 31. a filter box; 32. a filter chamber; 33. a seal ring; 34. an extension tube; 35. a partition plate; 4. a filtrate cleaning structure; 41. a filtrate tank; 42. an upper bracket; 43. a filter frame; 44. limiting the inner groove; 45. the side edge is passed through cotton sliver; 46. stacking the filter cotton sliver; 47. positioning holes; 48. extending the edge pin; 49. an upper cover; 5. a gas return structure; 51. a return air housing; 52. a shunt cavity; 53. an ejection port; 54. an air outlet port; 6. a spraying structure; 61. a fire extinguishing housing; 62. a storage box; 63. a high pressure pump body; 64. a mist nozzle; 65. extending the inner tube; 66. a movable sealing plug; 67. a liquid outlet notch; 68. a connecting pipe; 7. a fire-resistant partition structure; 71. an arc-shaped frame; 72. a connecting clamping groove; 73. positioning holes; 74. fireproof cloth; 75. a counterweight chassis; 76. supporting the spring plate; 77. a support housing; 78. a hook rack; 79. biting wax; 80. a clamping tongue; 81. a heat conductive plate; 8. a liquid suction pipe; 9. a return pipe; 10. a suction pump body; 11. preparing a box body; 13. a fixed jack; 14. and (3) a filter screen.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-8, a multi-layer composite firewall structure for rail transit comprises a tunnel wall 1 and a fireproof structure 2 in the tunnel wall 1, wherein a fireproof partition structure 7 is installed on one side of the fireproof structure 2, the fireproof partition structure 7 is used for connecting edges of the two fireproof structures 2, the fireproof partition structure 7 comprises an arc-shaped frame 71, a connecting clamping groove 72, positioning holes 73, fireproof cloth 74, a counterweight underframe 75 and a supporting spring plate 76, the positioning holes 73 are arranged on the upper surface of the arc-shaped frame 71 in a fan-shaped direction, connecting clamping grooves 72 are symmetrically arranged on two sides of the arc-shaped frame 71, the fireproof cloth 74 is connected to the lower end of the arc-shaped frame 71, a counterweight underframe 75 is symmetrically installed at the lower end of the fireproof cloth 74, and the counterweight underframe 75 is installed between the two supporting spring plates 76 and is used for supporting the supporting spring plate 76 to be unfolded outwards.
The fireproof partition structure 7 is arranged between every two fireproof structures 2, when a fire occurs, the fireproof cloth 74 can be directly dropped, meanwhile, the counterweight underframe 75 has a certain weight, the fireproof cloth 74 is wholly dropped downwards, the fireproof cloth 74 is made of soft materials, after the fireproof cloth 74 is dropped to the extreme position, the distance between the fireproof cloth and the ground is thirty centimeters, the supporting spring plate 76 can enable the two counterweight underframes 75 to be always kept in an outwards unfolded state, the fireproof cloth 74 is always kept in an unfolded state through the dropping gravity of the counterweight underframe 75 and the cooperation of the supporting spring plate 76, when the fire occurs in a tunnel through the structural cooperation of the fireproof cloth 74 and the counterweight underframe 75, through the effect of fire proof cloth 74, can in time fall, keep apart the condition of a fire, and all install arc frame 71 between every two fire wall bodies 21, on-the-spot staff can keep apart the flame according to on-the-spot condition of a fire through fire proof cloth 74, and play the isolation of the condition of a fire and prevent the effect that the condition of a fire spread, and flame and flue gas all have ascending combustion trend nature, be equipped with the distance between fire proof cloth 74 and the ground, then in order to can rescue personnel observe the condition of a fire, stop inside flue gas simultaneously, thereby make the device possess the isolation of the condition of a fire, and the rescue personnel of being convenient for observe the condition of a fire, and stop the function of spreading of flue gas.
Example 2
The embodiment is an improvement made on the basis of embodiment 1, specifically referring to fig. 1-8, a supporting housing 77 is provided at the lower end of one side of the arc-shaped frame 71, a hook frame 78 is installed in the supporting housing 77, a supporting spring plate 76 is used for being clamped at the inner side of the hook frame 78, a biting wax 79 is installed in the hook frame 78, the hook frame 78 is used for being installed in the biting wax 79, a clamping tongue 80 is provided at the outer side of the hook frame 78, the clamping tongue 80 is used for increasing friction force between the hook frame 78 and the biting wax 79, a heat conducting plate 81 is installed at one side of the inner side of the supporting housing 77, and the heat conducting plate 81 is used for increasing heat conducting performance between the biting wax 79 and external connection.
When a fire breaks out, the fire cloth 74 needs to be manually dropped, but in this way, the risk is high, and the injury to the human is easy to cause;
when fire breaks out in the tunnel, the temperature will rise along with it at the same time, and the heat-conducting plate 81 transmits the external temperature to inside the engagement wax 79, and the material of engagement wax 79 is polyethylene wax, through the inside material characteristic of engagement wax 79, after reaching certain temperature, form the state of melting, when melting, make hanger bracket 78 drop in the inside of engagement wax 79, and drop down, thereby make fire proof cloth 74 drop, through this structure, can guarantee that fire proof cloth 74 realizes the expansion action at corresponding high temperature, and need not manual intervention, drop by oneself, and block current region, realize the isolation function to the flue gas.
Example 3
The embodiment is an improvement made on the basis of embodiment 2, specifically referring to fig. 1-8, the fireproof structure 2 comprises a fireproof wall 21, a suction cavity 22, a suction port 23, a suction pipeline 24 and an exhaust fan 25, the suction cavity 22 is arranged in the fireproof wall 21 in an arc-shaped structure, the suction port 23 positioned at the lower end of the fireproof wall 21 is arranged at the lower end of the suction cavity 22, the suction pipeline 24 is arranged above the fireproof wall 21, the exhaust fan 25 is arranged at one end of the suction pipeline 24, the suction pipeline 24 is used for being communicated with the suction cavity 22, two sides of the fireproof wall 21 are provided with fixing jacks 13, the fixing jacks 13 are used for being inserted and fixed by bolts with positioning holes 73, and two sides of the fireproof wall 21 are used for being embedded into a connecting clamping groove 72.
Through the air exhauster 25 operation, drive the inside negative pressure state that forms of suction cavity 22 to form the absorption to the flue gas through a plurality of suction ports 23, and carry out the suction operation to the flue gas, avoid the flue gas to flow out and cause the injury to inside personnel, and make the device possess the collection and the suction function of flue gas.
Example 4
The embodiment is an improvement made on the basis of embodiment 3, specifically referring to fig. 1-8, a filtering structure 3 is installed above the fireproof wall 21, the filtering structure 3 includes a filtering box 31, a filtering cavity 32, a sealing ring 33 and an extension pipe 34, one end of the inside of the filtering box 31 is provided with the filtering cavity 32, the inside of the filtering box 31 is also provided with a preparation box 11, the preparation box 11 is in a communication state with the inside of the filtering cavity 32, a separation plate 35 is arranged in the middle of the filtering cavity 32, one end of the suction pipeline 24 is used for extending to one side of the inner wall of the filtering cavity 32, one end of the filtering cavity 32 is provided with the extension pipe 34, the inside of the filtering cavity 32 is filled with filtrate, and one end of the suction pipeline 24 is provided with the sealing ring 33.
When the smoke is pumped into the filter cavity 32 through the extension pipe 34 by the suction pipe 24, the smoke is mixed and contacted with the filtrate in the filter cavity 32, the smoke has certain viscosity due to the liquid characteristic of the filtrate, particles in the smoke are adhered to be adsorbed in the filtrate, after the gas is discharged, the particles remain in the filtrate to finish the filtering treatment of the smoke particles, the particles in the smoke are adsorbed by the cooperation of the inner structure of the filter structure 3, the gas is separated from the water and the liquid by utilizing the adsorption characteristic of the water and the adsorption operation of the water, so that the particles are retained in the water and the liquid when the gas leaves the water and float in the top end area of a tunnel due to the combustion characteristic of the particles when a fire disaster occurs, and the fireproof wall 21 adopts an arc-shaped structure corresponding to the structure in the tunnel and forms a gathering situation for the particles, so that the particles floating in the air can be adsorbed to the maximum degree and the suction efficiency of the particles is improved.
Example 5
The embodiment is an improvement made on the basis of embodiment 4, specifically, please refer to fig. 1-8, the upper end of the filtering box 31 is provided with a filtering liquid cleaning structure 4, the filtering liquid cleaning structure 4 comprises a filtering liquid box 41, an upper bracket 42 and a filtering frame 43, the filtering frame 43 is installed in the filtering liquid box 41, the upper bracket 42 is installed at the upper end of the filtering frame 43, the liquid suction pipe 8 is installed at one side of the filtering box 31, the liquid suction pipe 8 and the return pipe 9 are respectively installed at two ends of the outer side of the filtering box 31, one end of the liquid suction pipe 8 is communicated with the filtering cavity 32, the other end of the liquid suction pipe 8 is connected with the upper end of one side of the filtering liquid box 41, one end of the return pipe 9 is communicated with the preparation box 11, the other end of the return pipe 9 is connected with the lower end of the other side of the filtering liquid box 41, and the suction pump body 10 is installed in the liquid suction pipe 8 and the interior of the return pipe 9.
The long-time use of the filtrate can affect the filtering performance of the filtrate, so that the filtering effect of smoke particles is poor;
through the inside with the inside filtrate suction of filter chamber 32 upper bracket 42, carry out hierarchical filtration treatment through a plurality of filter frames 43 simultaneously for the inside coolant liquid of device filters the treatment completely, and it is inside to send back to preparation box 11 again simultaneously by back flow 9, lasts the use, through the cooperation of device inner structure, realizes the filtration treatment to the filtrate, makes the inside filtrate of device can recycle, makes the inside filter effect of device remain in the high efficiency state all the time.
Example 6
The embodiment is an improvement made on the basis of embodiment 5, specifically referring to fig. 1-8, the upper surface of the fireproof wall 21 is provided with a gas return structure 5, the gas return structure 5 comprises a return air shell 51, a diversion cavity 52, an ejection port 53 and an air outlet port 54, the ejection port 53 is installed at the upper end of the return air shell 51, the diversion cavity 52 is arranged in the return air shell 51, the upper end of the ejection port 53 is used for being communicated with the filter cavity 32, the lower end of the diversion cavity 52 is provided with an air outlet port 54 located in the return air shell 51, and the air outlet port 54 penetrates through the inside of the fireproof wall 21.
Through the cooperation of the internal structure of the gas return structure 5, the ejection port 53 is in a communication state with the inside of the filter cavity 32, when the suction port 23 sucks the smoke into the filter cavity 32 for filtering, the smoke is sucked into the shunt cavity 52 through the ejection port 53, and finally the smoke is sent out through the air outlet port 54, and through the mechanism, the air mixed with particles is circularly filtered.
Example 7
The present embodiment is an improvement made on the basis of embodiment 6, specifically referring to fig. 1-8, a spraying structure 6 is disposed on one side of the fireproof wall 21, the spraying structure 6 includes a fire extinguishing shell 61, a storage box 62 and a high pressure pump 63, the storage box 62 is disposed in the fire extinguishing shell 61, the high pressure pump 63 is mounted in the storage box 62, and a mist spray head 64 located outside the fire extinguishing shell 61 is mounted on one side of the high pressure pump 63.
The inside of the storage box 62 is filled with fire extinguishing agent, the fire extinguishing agent is sprayed out in a mist form from the inside of the mist spray head 64 through the high-pressure pump body 63, fireproof cloth 74 is arranged between every two fireproof wall bodies 21, each fireproof wall body 21 forms an independent space through the fireproof cloth 74, the fire in the current space is covered through the mist spray head 64 and the mist state, the spraying direction of the mist spray head 64 is in the vertical direction, the fire in the lower part is directly covered, the burning degree of the flame is reduced from the burning bottom of the flame, the flame spraying and extinguishing function is played, and the channeling of the flame is reduced.
Example 8
The present embodiment is an improvement made on the basis of embodiment 7, specifically, referring to fig. 1-8, a connecting pipe 68 is provided at the upper end of the fire extinguishing shell 61, the upper end of the connecting pipe 68 is used for communicating with the interior of the preparation box 11, an extending inner pipe 65 located inside the fire extinguishing shell 61 is provided at the lower end of the connecting pipe 68, a movable sealing plug 66 is installed inside the extending inner pipe 65, a liquid outlet notch 67 is provided at the lower end of the extending inner pipe 65, and a filter screen 14 is provided between the storage box 62 and the preparation box 11.
The fire extinguishing agent liquid amount in the storage box body 62 provides floating acting force for the movable sealing plug 66, a sealing state is formed in the connecting pipeline 68 when the fire extinguishing agent liquid amount is floating, when the fire extinguishing agent liquid amount is reduced, the movable sealing plug 66 is forced to fall simultaneously, so that liquid in the connecting pipeline 68 falls into the storage box body 62, then the high-pressure pump body 63 is used for sucking and spraying, fire extinguishing operation is performed, the spray nozzle 64 can be used for spraying the bottom layer of flame, fire is extinguished from the root of the flame, the burning range of the flame is greatly reduced, the influence of the channeling area of the flame is avoided, the effect of the preparation box body 11 is that after the liquid in the storage box body 62 is sprayed, the liquid in the storage box body 62 is filled, the liquid in the filter cavity 32 can be maintained at the same time, and the liquid amount is kept at the height, so that the liquid can be filtered in a proper state.
Example 9
The present embodiment is an improvement made on the basis of embodiment 8, specifically, referring to fig. 1-8, a limiting inner groove 44 is provided in the filter frame 43, two side tampons 45 are mounted at two ends of the inner part of the limiting inner groove 44, and a stacked filter tampon 46 is arranged between the two side tampons 45.
Through the range formula composite installation of locating hole 47 and stack filter silver 46, carry out filtering treatment to inside liquid to this structure can realize the combination range effect to the device, is convenient for later stage and replaces, and filter frame 43 passes through the plug-in type mounting means, can realize taking out filter frame 43.
Example 10
This embodiment is an improvement/explanation based on embodiment 9, specifically, referring to fig. 1-8, one side of the stacked filter sliver 46 is provided with a positioning hole 47, the other side of the stacked filter sliver 46 is provided with an extending edge pin 48, the extending edge pin 48 is used for being embedded into the positioning hole 47, an upper cover 49 is mounted on the upper end of the filter frame 43, and the upper cover 49 is used for being embedded on the upper surface of the filter frame 43.
Through the cooperation of extension limit round pin 48 and locating hole 47, can strengthen the joint strength between two superimposed filter silver 46, increase the laminating degree between two structures to and airtight state, avoid too big in gap between the two, influence the filter effect.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (3)
1. The utility model provides a multilayer combined type of track traffic prevents hot wall structure, includes fireproof structure (2) in tunnel wall body (1) and tunnel wall body (1), its characterized in that: the fire-proof structure is characterized in that a fire-proof partition structure (7) is arranged on one side of the fire-proof structure (2), the fire-proof partition structure (7) is used for connecting edges of the two fire-proof structures (2), the fire-proof partition structure (7) comprises an arc-shaped frame (71), connecting clamping grooves (72), positioning holes (73), fire-proof cloth (74), a counterweight underframe (75) and supporting spring plates (76), the positioning holes (73) are arranged on the upper surface of the arc-shaped frame (71) in a fan-shaped direction, connecting clamping grooves (72) are symmetrically arranged on two sides of the arc-shaped frame (71), the lower end of the arc-shaped frame (71) is connected with the fire-proof cloth (74), the counterweight underframe (75) is symmetrically arranged on the lower end of the fire-proof cloth (74), the counterweight underframe (75) is arranged between the two supporting spring plates (76), and the counterweight underframe (75) is used for supporting the supporting spring plates (76) to spread outwards;
the lower extreme of arc frame (71) one side is equipped with support casing (77), the internally mounted of support casing (77) has couple frame (78), support spring plate (76) are used for the inboard of card at couple frame (78), the internally mounted of couple frame (78) has interlock wax (79), couple frame (78) are used for installing inside interlock wax (79), the outside of couple frame (78) is equipped with latch (80), latch (80) are used for increasing the frictional force of couple frame (78) and interlock wax (79), one side of support casing (77) inside is installed heat-conducting plate (81), heat-conducting plate (81) are used for increasing interlock wax (79) and external heat conduction performance;
the fireproof structure (2) comprises a fireproof wall body (21), a suction cavity (22), a suction port (23), a suction pipeline (24) and an exhaust fan (25), wherein the suction cavity (22) is arranged in the fireproof wall body (21), the suction cavity (22) is arranged in the fireproof wall body (21) in an arc-shaped structure, the suction port (23) arranged at the lower end of the fireproof wall body (21) is arranged at the lower end of the suction cavity (22), the suction pipeline (24) is arranged above the fireproof wall body (21), the exhaust fan (25) is arranged at one end of the suction pipeline (24), the suction pipeline (24) is used for being communicated with the suction cavity (22), fixing jacks (13) are arranged at two sides of the fireproof wall body (21), the fixing jacks (13) are fixedly connected with the positioning holes (73) in a bolt inserting mode, and two sides of the fireproof wall body (21) are used for being embedded into a connecting clamping groove (72);
the fire-proof wall is characterized in that a filtering structure (3) is arranged above the fire-proof wall body (21), the filtering structure (3) comprises a filtering box body (31), a filtering cavity (32), a sealing ring (33) and an extension pipe (34), one end of the inside of the filtering box body (31) is provided with the filtering cavity (32), a preparation box body (11) is further arranged inside the filtering box body (31), the preparation box body (11) and the inside of the filtering cavity (32) are in a communicating state, a separation plate (35) is arranged in the middle of the filtering cavity (32), one end of a suction pipeline (24) is used for extending to one side of the inner wall of the filtering cavity (32), one end of the filtering cavity (32) is provided with the extension pipe (34), filtrate is filled in the filtering cavity (32), and the sealing ring (33) is arranged at one end of the suction pipeline (24).
The utility model discloses a filter tank, including filtering box (31), filtering box (4), filtering box (41), upper bracket (42) and filtering frame (43), internally mounted of filtering box (41) has filtering frame (43), upper bracket (42) are installed to the upper end of filtering frame (43), suction pipe (8) are installed to one side of filtering box (31), suction pipe (8) and back flow (9) are installed respectively at the both ends in the outside of filtering box (31), the one end and the filter chamber (32) intercommunication of suction pipe (8), the other end and the upper end of filtering box (41) of suction pipe (8), the one end and the preparation box (11) intercommunication of back flow (9), the other end and the lower extreme of filtering box (41) opposite side of back flow (9) are connected, suction pump body (10) are all installed to the inside suction pipe (8) and back flow (9);
the upper surface of the fireproof wall body (21) is provided with a gas return structure (5), the gas return structure (5) comprises a return air shell (51), a diversion cavity (52), an ejection port (53) and an air outlet port (54), the ejection port (53) is arranged at the upper end of the return air shell (51), the diversion cavity (52) is arranged in the return air shell (51), the upper end of the ejection port (53) is communicated with the filter cavity (32), the lower end of the diversion cavity (52) is provided with the air outlet port (54) positioned in the return air shell (51), and the air outlet port (54) penetrates through the fireproof wall body (21);
a spraying structure (6) is arranged on one side of the fireproof wall body (21), the spraying structure (6) comprises a fire extinguishing shell (61), a storage box body (62) and a high-pressure pump body (63), the storage box body (62) is arranged in the fire extinguishing shell (61), the high-pressure pump body (63) is arranged in the storage box body (62), and a mist spray head (64) positioned on the outer side of the fire extinguishing shell (61) is arranged on one side of the high-pressure pump body (63);
the upper end of fire extinguishing casing (61) is equipped with connecting tube (68), the upper end of connecting tube (68) is used for the inside intercommunication with preparation box (11), the lower extreme of connecting tube (68) is equipped with and is located inside extension inner tube (65) of fire extinguishing casing (61), the internally mounted of extension inner tube (65) has movable sealing plug (66), the lower extreme of extension inner tube (65) is equipped with out liquid notch (67), be equipped with filter screen (14) between storage box (62) and preparation box (11).
2. The track traffic multi-level composite firewall structure of claim 1, wherein: the inside of filter frame (43) is equipped with spacing inside groove (44), limit inside groove (44)'s inside both ends are installed side and are crossed silver (45), two side cross silver (45) between the range and install stack filter silver (46).
3. The track traffic multi-level composite firewall structure of claim 2, wherein: one side of the stacked filter cotton sliver (46) is provided with a positioning hole (47), the other side of the stacked filter cotton sliver (46) is provided with an extending edge pin (48), the extending edge pin (48) is used for being embedded into the positioning hole (47), an upper sealing cover (49) is mounted at the upper end of the filter frame (43), and the upper sealing cover (49) is used for being embedded into the upper surface of the filter frame (43).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211144283.8A CN115887966B (en) | 2022-09-20 | 2022-09-20 | Multi-layer composite firewall structure for rail transit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211144283.8A CN115887966B (en) | 2022-09-20 | 2022-09-20 | Multi-layer composite firewall structure for rail transit |
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| CN115887966A CN115887966A (en) | 2023-04-04 |
| CN115887966B true CN115887966B (en) | 2024-01-30 |
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| CN202211144283.8A Active CN115887966B (en) | 2022-09-20 | 2022-09-20 | Multi-layer composite firewall structure for rail transit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116927342B (en) * | 2023-09-15 | 2023-11-28 | 呼伦贝尔安泰热电有限责任公司扎兰屯热电厂 | Fire wall structure installed in strip coal yard of thermal power plant |
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| CN216773862U (en) * | 2022-01-13 | 2022-06-17 | 许昌电气职业学院 | Switch board that inside has structure of putting out a fire |
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| CN207323882U (en) * | 2017-08-18 | 2018-05-08 | 天津市恒福科技发展有限公司 | A kind of gear cigarette structure on roof |
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| CN115887966A (en) | 2023-04-04 |
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