CN115887966A - Multi-level combined type firewall structure for rail transit - Google Patents
Multi-level combined type firewall structure for rail transit Download PDFInfo
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- CN115887966A CN115887966A CN202211144283.8A CN202211144283A CN115887966A CN 115887966 A CN115887966 A CN 115887966A CN 202211144283 A CN202211144283 A CN 202211144283A CN 115887966 A CN115887966 A CN 115887966A
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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 rail transit multi-level composite fireproof wall structure which comprises a tunnel wall body and fireproof structures in the tunnel wall body, wherein one side of each fireproof structure is provided with a fireproof partition structure, the fireproof partition structures are used for connecting the edges of the two fireproof structures, each fireproof partition structure comprises an arc-shaped frame, a connecting clamping groove, a positioning hole, fireproof cloth, a counterweight underframe and a supporting elastic plate, and the positioning holes are arranged in the fan-shaped direction on the upper surface of the arc-shaped frame. The fire protection device has the advantages that the fire protection cloth is used for isolating flames, and has the functions of isolating fire and preventing the fire from spreading, the flames and smoke gas have upward combustion tendency, and the distance is arranged between the fire protection cloth and the ground, so that rescuers can observe the fire condition, and the smoke gas in the device is blocked, so that the device has the functions of isolating the fire, facilitating the rescuers to observe the fire condition and blocking the spreading of the smoke gas.
Description
Technical Field
The invention relates to the technical field of fireproof walls, in particular to a rail transit multi-level composite type fireproof wall structure.
Background
The rail transit is a type of transportation means or transportation system in which an operating vehicle needs to travel on a specific rail, and the most typical rail transit is a railway system consisting of a traditional train and a standard railway.
However, during underground transportation, the traffic environment of the underground tunnel is narrow, if a fire occurs, the fire is difficult to isolate, meanwhile, the flame can burn nearby objects, so that rapid dense smoke in the track is diffused, the dense smoke is formed by mixing fine particles generated by burning plastics or other materials in the air, and the fine particles can cause great harm to the human body after being sucked into the human body.
Disclosure of Invention
The invention provides a rail transit multi-level composite firewall structure, which has the beneficial effect of quickly purifying particles in smoke, and solves the problems that when underground transportation is carried out in the background art, the underground traffic environment is narrow, if a fire occurs, the fire is difficult to isolate, meanwhile, flame can burn nearby objects, so that dense smoke in a rail is rapidly diffused, the dense smoke is formed by mixing fine particles generated by burning plastics or other materials in the air, and the fine particles can cause great harm to a human body after being sucked into the human body.
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 fire resistive construction in tunnel wall body and the tunnel wall body, fire resistive construction's one side is installed the fire prevention and is cut off the structure, the fire prevention cuts off the structure and is used for being connected two fire resistive construction's edge, the fire prevention cuts off the structure and includes arc frame, connecting groove, locating hole, fire prevention cloth, counter weight chassis and support diving board, the upper surface of arc frame is fan-shaped direction and arranges and is equipped with the locating hole, the bilateral symmetry of arc frame is equipped with connecting groove, the lower extreme of arc frame is connected with the fire prevention cloth, the counter weight chassis is installed to the lower extreme symmetry of fire prevention cloth, two it installs the counter weight chassis to support between the diving board, the counter weight chassis is used for supporting the outwards expansion of support diving board.
The invention is an alternative of the rail transit multi-level composite firewall structure, wherein: the lower extreme of arc frame one side is equipped with the support casing, the internally mounted of support casing has the couple frame, it is used for the card in the inboard of couple frame to support the diving board, the internally mounted of couple frame has the interlock wax, the couple frame is used for installing in the wax inside of interlock, the outside of couple frame is equipped with the block tongue, the block tongue is used for increasing the frictional force of couple frame and the wax of interlock, the heat-conducting plate is installed to the inside one side of support casing, the heat-conducting plate is used for increasing the wax and external heat conductivility of interlock.
The invention is an alternative of the rail transit multi-level composite firewall structure, wherein: fireproof structure includes fireproof wall body, suction cavity, suction port, suction pipeline and air exhauster, fireproof wall body's inside is equipped with the suction cavity, the suction cavity is the arc structure and sets up in preventing hot wall body, the lower extreme of suction cavity is equipped with the suction port that is located fireproof wall body lower extreme, fireproof wall body top is equipped with the suction pipeline, the air exhauster is installed to the one end of suction pipeline, the suction pipeline be used for with suction cavity intercommunication, fireproof wall body's both sides are equipped with fixed jack, it is fixed to be used for bolt grafting between fixed jack and the locating hole, fireproof wall body's both sides are used for imbedding in the connecting slot.
The invention is an alternative of the rail transit multi-level composite firewall structure, wherein: the utility model discloses a fire wall body, including fire wall body, filtration, sealing washer and extension pipe, the one end of the inside of filtering the box is equipped with the filter chamber, the inside of filtering the box still is equipped with prepares the box, the inside of preparing box and filter chamber is the feed through state, the centre of filter chamber is equipped with the division board, the one end of suction pipeline 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 pipeline.
The invention is an alternative of the rail transit multi-level composite firewall structure, wherein: the upper end of filtering the box is equipped with the filtrate and washs the structure, the filtrate washs the structure and includes filtrate box, upper bracket and filtration frame, the internally mounted of filtrate box has filtration frame, the upper bracket is installed to filtration frame's upper end, the liquid suction pipe is installed to one side of filtering the box, liquid suction pipe and back flow are installed respectively to the both ends in the outside of filtering the box, the one end and the filter chamber intercommunication of liquid suction pipe, the other end and the upper end of filtrate box one side of liquid suction 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 with the inside of back flow to the liquid suction pipe.
As an alternative of the multi-level composite firewall structure for rail transit, the invention comprises the following components: the upper surface of fire wall body is equipped with gaseous return structure, gaseous return structure 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 the reposition of redundant personnel cavity, the upper end of blowout port is used for and the filter chamber intercommunication, the lower extreme of reposition of redundant personnel cavity is equipped with the air-out port that is located the return air casing, the air-out port runs through fire wall body's inside.
The invention is an alternative of the rail transit multi-level composite firewall structure, wherein: one side of fire wall body is equipped with sprays the structure, spray the structure including the casing of putting out a fire, storage box and the high-pressure pump body, the inside of the casing of putting out a fire 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 of the multi-level composite firewall structure for rail transit, the invention comprises the following components: the utility model discloses a fire extinguishing device, including fire extinguishing shell, connecting tube, movable sealing plug, liquid outlet notch, storage box, reserve box, the upper end of fire extinguishing shell is equipped with the connecting tube, the upper end of connecting tube be used for with prepare the inside intercommunication of box, the lower extreme of connecting tube is equipped with the extension inner tube that is located fire extinguishing shell inside, the internally mounted who extends the inner tube has movable sealing plug, the lower extreme that extends the inner tube is equipped with the liquid outlet notch, be equipped with the filter screen between storage box and the reserve box.
The invention is an alternative of the rail transit multi-level composite firewall structure, wherein: the inside of filtering frame is equipped with spacing inside groove, the side crosses the silver is installed at the both ends of the inside of spacing inside groove, two the side crosses to arrange to install the stack between the silver and filters the silver.
As an alternative of the multi-level composite firewall structure for rail transit, the invention comprises the following components: the improved filter structure is characterized in that a positioning hole is formed in one side of the stacked filter cotton sliver, an extending edge pin is arranged on the other side of the stacked filter cotton sliver and used for being embedded into the positioning hole, an upper sealing cover is mounted at the upper end of the filter frame and 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 firewall structure of track traffic, effect through fire prevention cloth, can in time fall, keep apart the condition of a fire, and all install the arc frame between per two firewall body, site work personnel can be according to the condition of a fire in the scene, keep apart flame through fire prevention cloth, and play the isolation of the intensity of a fire and prevent the effect that the intensity of a fire stretchs, and flame and flue gas all have ascending burning trend nature, be equipped with the distance between fire prevention cloth and the ground, then observe the intensity of a fire condition in order to can the rescue personnel, block the flue gas of inside simultaneously, thereby make the device possess the isolation of the intensity of a fire, and be convenient for the rescue personnel observe the intensity of a fire condition, and block stretching function of flue gas.
2. This multi-level combined type firewall structure of track traffic, cooperation through filtration inner structure, utilize the adsorption characteristic of water liquid, the operation is adsorbed to granule in the flue gas, make gas and water liquid separate, make gas when leaving water liquid, be detained the granule among water liquid, and when the conflagration breaing out, the combustion characteristic through the particulate matter, then can float among the tunnel top region, and what firewall body adopted is the arc structure, when corresponding with the tunnel inner structure, gather together the situation to the particulate matter formation, can adsorb the particulate matter that wafts overhead to the utmost, and improve the suction efficiency of particulate matter.
3. This multi-level combined type firewall structure of track traffic, through spraying the structure and preparing the cooperation of box, vaporific shower nozzle can spray the operation to the flame bottom, put out a fire from the flame root, the scope of its burning reduces substantially, avoid the flame to scurry the region on the head and cause the influence, and prepare the effect of box, then spray the back at the inside liquid of storage box, fill, liquid inside the storage box supplements, the height that can also keep the liquid measure for the inside of filter chamber simultaneously, make it filter under suitable state.
Drawings
Fig. 1 is a schematic view of the installation position of the fire protection structure of the present invention.
Fig. 2 is a schematic view of the fireproof wall structure of the present invention.
FIG. 3 is a schematic cross-sectional view of the fireproof wall of the present invention.
FIG. 4 is a schematic view of the bottom structure of the fireproof wall of the present invention.
FIG. 5 is a schematic view of a filter frame according to the present invention.
FIG. 6 is a schematic view of the structure at A of FIG. 3 according to the present invention.
FIG. 7 is a schematic view of a fire partition structure 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-resistant structure; 21. a fireproof wall body; 22. a suction chamber; 23. a suction port; 24. a suction duct; 25. an exhaust fan; 3. a filter structure; 31. a filter box body; 32. a filter chamber; 33. a seal ring; 34. an extension pipe; 35. a separator plate; 4. a filtrate cleaning structure; 41. a filtrate tank body; 42. an upper bracket; 43. a filter frame; 44. limiting the inner groove; 45. cotton sliver passing through the side edges; 46. superposing and filtering cotton slivers; 47. positioning holes; 48. an extending edge pin; 49. an upper sealing cover; 5. a gas return structure; 51. an air return shell; 52. a flow dividing cavity; 53. an ejection port; 54. an air outlet port; 6. a spray structure; 61. a fire extinguishing housing; 62. a storage box body; 63. a high pressure pump body; 64. a mist spray head; 65. extending the inner tube; 66. a movable sealing plug; 67. a liquid outlet notch; 68. connecting a pipeline; 7. a fire 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 hanger frame; 79. occluding wax; 80. a latch; 81. a heat conducting plate; 8. a liquid pumping pipe; 9. a return pipe; 10. a suction pump body; 11. preparing a box body; 13. fixing the jack; 14. and (5) a filter screen.
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.
Example 1
Referring to fig. 1 to 8, a multi-level composite fire wall structure for rail transit includes a tunnel wall 1 and fire structures 2 in the tunnel wall 1, a fire partition structure 7 is installed on one side of the fire structures 2, the fire partition structure 7 is used for connecting edges of the two fire structures 2, the fire partition structure 7 includes an arc frame 71, connecting slots 72, positioning holes 73, fire-proof cloth 74, counterweight underframe 75 and supporting elastic plates 76, the positioning holes 73 are arranged in a fan-shaped direction on the upper surface of the arc frame 71, the connecting slots 72 are symmetrically arranged on two sides of the arc frame 71, the lower end of the arc frame 71 is connected with the fire-proof cloth 74, the counterweight underframe 75 is symmetrically installed on the lower end of the fire-proof cloth 74, the counterweight underframe 75 is installed between the two supporting elastic plates 76, and the counterweight underframe 75 is used for supporting the supporting elastic plates 76 to expand outward.
Install fire prevention partition structure 7 between per two fire resistive construction 2, when the condition of a fire takes place, can directly fall down fire prevention cloth 74, counter weight chassis 75 has certain weight simultaneously, with fire prevention cloth 74 whole drop downwards, and fire prevention cloth 74 soft body material, and fire prevention cloth 74 after falling to extreme position, can be thirty centimetres apart from ground, and support diving board 76 then can make two counter weight chassis 75 keep the state of expanding outward all the time, through the weight that falls of counter weight chassis 75, and the cooperation of support diving board 76, make fire prevention cloth 74 keep the state of expanding all the time, through the structural cooperation of fire prevention cloth 74 with counter weight chassis 75, when the conflagration takes place in the tunnel, through the effect of fire prevention cloth 74, can in time fall, isolate the condition of a fire, and all install arc frame 71 between per two fire wall 21, the on-the-spot staff can be according to the condition of a fire, isolate flame through fire prevention cloth 74, and play the isolation of the condition of a fire and prevent the condition of a fire from spreading, and flame and flue gas all have upwards combustibility, be equipped with the trend between fire prevention cloth 74 and ground, the distance is the rescue device that can be convenient for observing the condition of a fire, thereby the condition of a rescue, the condition of a fire, and the condition of a fire can be observed, thereby the condition of a rescue, the condition of a fire.
Example 2
In this embodiment, an improvement is made on the basis of embodiment 1, specifically, referring to fig. 1 to 8, a supporting casing 77 is disposed at a lower end of one side of an arc-shaped frame 71, a hook frame 78 is mounted inside the supporting casing 77, a supporting elastic plate 76 is used for being clamped inside the hook frame 78, an engagement wax 79 is mounted inside the hook frame 78, the hook frame 78 is used for being mounted inside the engagement wax 79, a latch 80 is disposed outside the hook frame 78, the latch 80 is used for increasing friction force between the hook frame 78 and the engagement wax 79, a heat conducting plate 81 is mounted at one side inside the supporting casing 77, and the heat conducting plate 81 is used for increasing heat conduction performance between the engagement wax 79 and an external connection.
When a fire occurs, the fire-proof cloth 74 needs to be manually dropped, but in this way, the danger is high, and the fire-proof cloth is easily damaged;
after a fire disaster occurs in the tunnel, the temperature can rise at the same time, the heat conducting plate 81 transmits the external temperature to the inside of the meshing wax 79, the meshing wax 79 is made of polyethylene wax, and after the certain temperature is reached, a melting state is formed, and when the heat conducting plate melts, the hook frame 78 falls off the inside of the meshing wax 79 and falls down, so that the fireproof cloth 74 falls down.
Example 3
The embodiment is an improvement made on the basis of embodiment 2, and specifically, please refer to fig. 1 to 8, where the fire protection structure 2 includes a fire protection wall 21, a suction cavity 22, a suction port 23, a suction pipeline 24 and an exhaust fan 25, the suction cavity 22 is disposed inside the fire protection wall 21, the suction cavity 22 is disposed in the fire protection wall 21 in an arc structure, the suction port 23 is disposed at the lower end of the fire protection wall 21 and is disposed at the lower end of the suction cavity 22, the suction pipeline 24 is disposed above the fire protection wall 21, the exhaust fan 25 is mounted at one end of the suction pipeline 24, the suction pipeline 24 is used for communicating with the suction cavity 22, fixing insertion holes 13 are disposed at two sides of the fire protection wall 21, the fixing insertion holes 13 are used for bolt insertion and fixation with positioning holes 73, and two sides of the fire protection wall 21 are used for being inserted into and connected with the clamping grooves 72.
Through the operation of air exhauster 25, drive the inside negative pressure state that forms of suction cavity 22 to form through a plurality of suction ports 23 and adsorb the flue gas, 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
In this embodiment, an improvement is made on the basis of embodiment 3, specifically, referring to fig. 1 to 8, a filtering structure 3 is installed above the fire wall 21, the filtering structure 3 includes a filtering box 31, a filtering chamber 32, a sealing ring 33 and an extension pipe 34, the filtering chamber 32 is installed at one end inside the filtering box 31, a preparation box 11 is also installed inside the filtering box 31, the preparation box 11 is in a communicated state with the inside of the filtering chamber 32, a partition plate 35 is installed in the middle of the filtering chamber 32, one end of the suction pipe 24 is used for extending to one side of the inner wall of the filtering chamber 32, the extension pipe 34 is installed at one end of the filtering chamber 32, the inside of the filtering chamber 32 is filled with a filtering liquid, and the sealing ring 33 is installed at one end of the suction pipe 24.
When the smoke is sucked into the filter chamber 32 through the extension pipe 34 by the suction pipe 24, the smoke is mixed and contacted with the filter liquid in the filter chamber 32, the smoke has certain viscosity by the liquid characteristic of the filter liquid, and the particles in the smoke are adhered to be adsorbed in the filter liquid, after the gas is discharged, the particles in the smoke are remained in the filter liquid to complete the filtering treatment of the smoke particles, the adsorption operation is performed on the particles in the smoke by utilizing the adsorption characteristic of the water through the matching of the internal structure of the filter structure 3, so that the gas is separated from the water, the particles are remained in the water when the gas leaves the water, and when a fire occurs, the particles float in the top end area of the tunnel by the combustion characteristic of the particles, the fireproof wall 21 adopts an arc-shaped structure, and forms a gathering potential on the particles while corresponding to the structure in the tunnel, thereby adsorbing the particles floating above to the utmost extent, and improving the suction efficiency of the particles.
Example 5
The present embodiment is an improvement made on the basis of embodiment 4, and specifically, please refer to fig. 1 to 8, a filtrate cleaning structure 4 is disposed at an upper end of the filtering tank 31, the filtrate cleaning structure 4 includes a filtering tank 41, an upper bracket 42 and a filtering frame 43, the filtering frame 43 is disposed inside the filtering tank 41, the upper bracket 42 is disposed at an upper end of the filtering frame 43, an extracting tube 8 is disposed at one side of the filtering tank 31, the extracting tube 8 and the return tube 9 are respectively disposed at two ends of an outer side of the filtering tank 31, one end of the extracting tube 8 is communicated with the filtering chamber 32, the other end of the extracting tube 8 is connected with an upper end of one side of the filtering tank 41, one end of the return tube 9 is communicated with the preparation tank 11, the other end of the return tube 9 is connected with a lower end of the other side of the filtering tank 41, and a suction pump body 10 is disposed inside the extracting tube 8 and the return tube 9.
The filtering liquid can affect the filtering performance of the filtering liquid after being used for a long time, so that the filtering effect of smoke particles is poor;
through the inside with the inside filtrate suction of filter chamber 32 to the inside of upper bracket 42, carry out hierarchical filtration processing through a plurality of filter frame 43 simultaneously for the inside coolant liquid of device filters the processing completely, is sent back to by back flow 9 again to prepare inside the box 11 simultaneously, uses continuously, and through the cooperation of device inner structure, realizes filtration processing to the filtrate, makes the inside filtrate of device can recycle, makes the inside filter effect of device, remains at the high efficiency state throughout.
Example 6
In this embodiment, an improvement is made on the basis of the embodiment 5, specifically, referring to fig. 1 to 8, a gas return structure 5 is arranged on the upper surface of the fire wall 21, the gas return structure 5 includes a return air housing 51, a flow dividing 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 housing 51, the flow dividing cavity 52 is arranged inside the return air housing 51, the upper end of the ejection port 53 is used for communicating with the filter cavity 32, the air outlet port 54 located in the return air housing 51 is arranged at the lower end of the flow dividing cavity 52, and the air outlet port 54 penetrates through the interior of the fire wall 21.
Through the cooperation of the internal structure of the gas return structure 5, the ejection port 53 is communicated with the inside of the filter chamber 32, and after the suction port 23 sucks the flue gas into the inside of the filter chamber 32 for filtering, the flue gas is sucked into the shunt chamber 52 through the ejection port 53 and finally sent out through the air outlet port 54, and the air mixed with particles is subjected to circulating filtration through the mechanism.
Example 7
The present embodiment is an improvement made on the basis of embodiment 6, and specifically, referring to fig. 1 to 8, a spraying structure 6 is disposed on one side of a fire wall 21, the spraying structure 6 includes a fire extinguishing casing 61, a storage box 62 and a high-pressure pump 63, the storage box 62 is disposed inside the fire extinguishing casing 61, the high-pressure pump 63 is disposed inside the storage box 62, and a mist nozzle 64 located outside the fire extinguishing casing 61 is disposed on one side of the high-pressure pump 63.
The inside of storage box 62 is filled with fire extinguishing agent, be vaporific blowout through high-pressure pump body 63 with fire extinguishing agent from vaporific shower nozzle 64 inside, and all install fire prevention cloth 74 between per two fire prevention wall 21, form solitary space with every fire prevention wall 21 through fire prevention cloth 74, through vaporific shower nozzle 64 and vaporific state, cover the intensity of a fire in current space, and the direction of spraying of vaporific shower nozzle 64 is the vertical direction, and directly cover the intensity of a fire of below, reduce the combustion degree of flame from the bottom of flame burning, and play the function of putting out by water to flame, reduce the stream of flame and scurry.
Example 8
The present embodiment is an improvement made on the basis of embodiment 7, and specifically, referring to fig. 1 to 8, a connection pipe 68 is provided at an upper end of the fire extinguishing casing 61, the upper end of the connection pipe 68 is used for communicating with the inside of the preparation box 11, an extension inner pipe 65 located inside the fire extinguishing casing 61 is provided at a lower end of the connection pipe 68, a movable sealing plug 66 is installed inside the extension inner pipe 65, a liquid outlet slot 67 is provided at a lower end of the extension inner pipe 65, and a filter screen 14 is provided between the storage box 62 and the preparation box 11.
The amount of fire extinguishing agent liquid inside the storage box 62 provides a floating force for the movable sealing plug 66, form a sealed state while floating to the inside of the connecting pipe 68, when the amount of fire extinguishing agent liquid drops, force the movable sealing plug 66 to fall down simultaneously, make the liquid inside the connecting pipe 68 fall into the storage box 62, and then be sucked and sprayed by the high-pressure pump 63, the operation of putting out a fire, through the cooperation of the spraying structure 6 and the preparation box 11, the mist sprayer 64 can spray the flame bottom, put out a fire from the flame root, substantially reduce the range of its burning, avoid the influence of the potential upward channeling of flame area, and the effect of the preparation box 11, then after the liquid inside the storage box 62 is sprayed, fill, replenish the liquid inside the storage box 62, and simultaneously can also keep the height of the liquid amount for the inside of the filter chamber 32, make it filter under the appropriate state.
Example 9
The present embodiment is an improvement made on the basis of embodiment 8, specifically, please refer to fig. 1 to 8, a limiting inner groove 44 is arranged inside the filtering frame 43, side cotton slivers 45 are installed at two ends inside the limiting inner groove 44, and stacked filtering cotton slivers 46 are installed between the two side cotton slivers 45.
Through the range formula aggregate erection of locating hole 47 and stack filtration silver 46, carry out filtration processing to inside liquid to this structure can realize arranging the effect to the combination of device, and the later stage of being convenient for is replaced, and filters frame 43 and passes through plug-in type mounting means, can realize taking out filtering frame 43.
Example 10
The present embodiment is an improvement/explanation based on embodiment 9, and specifically, referring to fig. 1 to 8, a positioning hole 47 is provided on one side of the overlapped filter tampon 46, an extended side pin 48 is provided on the other side of the overlapped filter tampon 46, the extended side pin 48 is used for being embedded inside the positioning hole 47, an upper cover 49 is installed 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 superposes filtration silver 46, increase the laminating degree between two structures to and airtight state, avoid the gap between the two too big, influence the filter effect.
It should be noted that, in this document, 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. Also, 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 only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a multilayer combined type of track traffic prevents hot wall structure, includes fire resistive construction (2) in tunnel wall body (1) and tunnel wall body (1), its characterized in that: fire prevention partition structure (7) are installed to one side of fire resistive construction (2), fire prevention partition structure (7) are used for being connected the edge of two fire resistive construction (2), fire prevention partition structure (7) are including arc frame (71), connecting slot (72), locating hole (73), fire prevention cloth (74), counter weight chassis (75) and support diving board (76), the upper surface of arc frame (71) is fan-shaped direction and arranges and is equipped with locating hole (73), the bilateral symmetry of arc frame (71) is equipped with connecting slot (72), the lower extreme of arc frame (71) is connected with fire prevention cloth (74), counter weight chassis (75) are installed to the lower extreme symmetry of fire prevention cloth (74), two install counter weight chassis (75) between support diving board (76), counter weight chassis (75) are used for supporting and support diving board (76) and outwards expand.
2. The rail transit multi-level composite firewall structure of claim 1, wherein: 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), it is used for the card in the inboard of couple frame (78) to support elastic plate (76), 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), heat-conducting plate (81) are installed to the inside one side of support casing (77), heat-conducting plate (81) are used for increasing interlock wax (79) and external heat conductivility.
3. The rail transit multi-level composite firewall structure of claim 2, wherein: fireproof structure (2) is including fire wall body (21), suction cavity (22), suction port (23), suction pipeline (24) and air exhauster (25), the inside of fire wall body (21) is equipped with suction cavity (22), suction cavity (22) are the arc structure and set up in fire wall body (21), the lower extreme of suction cavity (22) is equipped with suction port (23) that are located fire wall body (21) lower extreme, fire wall body (21) top is equipped with suction pipeline (24), air exhauster (25) are installed to the one end of suction pipeline (24), suction pipeline (24) are used for and suction cavity (22) intercommunication, the both sides of fire wall body (21) are equipped with fixed jack (13), be used for the bolt grafting between fixed jack (13) and locating hole (73) to be fixed, the both sides of fire wall body (21) are used for imbedding in connecting slot (72).
4. The rail transit multi-level composite firewall structure of claim 3, wherein: filtration (3) are installed to the top of fire wall (21), filtration (3) are including filtering box (31), filter chamber (32), sealing washer (33) and extension (34), the one end of the inside of filtering box (31) is equipped with filter chamber (32), the inside of filtering box (31) still is equipped with prepares box (11), the inside of preparing box (11) and filter chamber (32) is the connected state, the centre of filter chamber (32) is equipped with division board (35), the one end of suction pipe (24) is used for extending to one side of filter chamber (32) inner wall, the one end of filter chamber (32) is equipped with extension (34), the inside packing of filter chamber (32) has the filtrate, sealing washer (33) are installed to the one end of suction pipe (24).
5. The rail transit multi-level composite firewall structure of claim 4, wherein: the upper end of filtering box (31) is equipped with filtrate and washs structure (4), filtrate washs structure (4) including filtering box (41), upper bracket (42) and filter frame (43), the internally mounted of filtering box (41) has filter frame (43), upper bracket (42) are installed to the upper end of filter frame (43), liquid suction pipe (8) are installed to one side of filtering box (31), liquid suction pipe (8) and back flow (9) are installed respectively to the both ends in the outside of filtering box (31), the one end and the rose chamber (32) intercommunication of liquid suction pipe (8), the other end and the upper end of filtering box (41) one side of liquid suction pipe (8) are connected, 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, the suction pump body (10) are all installed to liquid suction pipe (8) and the inside of back flow (9).
6. The rail transit multi-level composite firewall structure of claim 5, wherein: the upper surface of fire wall body (21) is equipped with gaseous return structure (5), gaseous return structure (5) are including return air casing (51), reposition of redundant personnel cavity (52), blowout port (53) and air-out port (54), blowout port (53) are installed to the upper end of return air casing (51), the inside of return air casing (51) is equipped with reposition of redundant personnel cavity (52), the upper end of blowout port (53) is used for communicateing with filter chamber (32), the lower extreme of reposition of redundant personnel cavity (52) is equipped with air-out port (54) that are located return air casing (51), air-out port (54) run through the inside of fire wall body (21).
7. The rail transit multi-level composite firewall structure of claim 6, wherein: one side of fire wall body (21) is equipped with spray structure (6), spray structure (6) including fire extinguishing housing (61), storage box (62) and high-pressure pump body (63), the inside of fire extinguishing housing (61) is equipped with storage box (62), the internally mounted of storage box (62) has high-pressure pump body (63), mist nozzle (64) that are located the fire extinguishing housing (61) outside are installed to one side of the high-pressure pump body (63).
8. The rail transit multi-level composite firewall structure of claim 7, wherein: the upper end of putting out a fire casing (61) is equipped with connecting tube (68), the upper end of connecting tube (68) be used for with prepare the inside intercommunication of box (11), the lower extreme of connecting tube (68) is equipped with the extension inner tube (65) that are located the inside of putting out a fire casing (61), the internally mounted who extends inner tube (65) has movable sealing plug (66), the lower extreme that extends inner tube (65) is equipped with out liquid notch (67), be equipped with filter screen (14) between storage box (62) and prepare box (11).
9. The rail transit multi-level composite firewall structure of claim 8, wherein: the filter frame (43) is internally provided with a limiting inner groove (44), two ends of the inside of the limiting inner groove (44) are provided with side edge cotton slivers (45), and overlapped filter cotton slivers (46) are arranged and installed between the two side edge cotton slivers (45).
10. The rail transit multi-level composite firewall structure of claim 9, wherein: one side of the overlapped filtering cotton sliver (46) is provided with a positioning hole (47), the other side of the overlapped filtering 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), the upper end of the filtering frame (43) is provided with an upper sealing cover (49), and the upper sealing cover (49) is used for being embedded on the upper surface of the filtering 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 true CN115887966A (en) | 2023-04-04 |
| CN115887966B CN115887966B (en) | 2024-01-30 |
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| CN116927342A (en) * | 2023-09-15 | 2023-10-24 | 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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| Publication number | Publication date |
|---|---|
| CN115887966B (en) | 2024-01-30 |
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