1362 results about "Firewater" patented technology

The invention relates to the technical field of fire-fighting monitoring, in particular to a fire-fighting water system fault detection and early warning method and system based on the fire-fighting Internet of Things, and the method comprises the steps: 1, periodically collecting pressure data through pressure sensors disposed at a fire-fighting water pump outlet, a pipe network main pipe branch point and the most unfavorable tail end; 2, according to the current valve opening degree, the pump state and historical normal working condition data, theoretical pressure expected values and dynamic allowable deviation zones of all nodes are generated; 3, when actually measured pressure deviates from a theoretical pressure expected value and exceeds a dynamic allowable deviation band, marking abnormal nodes, reversely constructing a fault propagation tree along the topological model, and allocating weight factors for associated nodes according to fault types; and 4, triggering graded early warning based on the number of the abnormal nodes, the fault propagation path and the weight factor accumulated value. And the system can automatically take measures when a fault occurs through an equipment linkage function, so that the efficient operation of the fire fighting water system is guaranteed, and the efficiency and safety of fire emergency response are improved.

The invention, which relates to the technical field of fire safety, discloses a multi-modal intelligent identification method for fire-fighting hidden troubles based on a large model, comprising the following steps: S1, acquiring multi-source heterogeneous feature data through a sensor network deployed in a fire-fighting water pump room to obtain an initial feature set; s2, performing unified scale conversion on the initial feature set, calculating heterogeneous bridging parameters according to the environmental parameters and the equipment operation data, constructing a fusion feature vector, inputting the fusion feature vector into a preset neural network for feature weight adaptive adjustment, and outputting an adjusted weight vector; according to the fire-fighting hidden danger intelligent identification method based on the large-model multi-mode, intelligent closed loop from hidden danger identification to prevention and control decision making is realized, and the intelligent, dynamic and precise management level of a fire-fighting safety system is comprehensively improved.

When the intelligent fire-fighting unmanned aerial vehicle cluster system works, the method comprises the following steps that 1, an intelligent fire-fighting unmanned aerial vehicle cluster detects a fire scene and searches a water source near the fire scene, and an optimal route is searched between the water source and the fire scene to lay a pressurizing water pump and a fire hose; 2, the intelligent fire-fighting unmanned aerial vehicle cluster controls a fire-fighting nozzle to conduct fire extinguishing operation, and the positions of a pressurizing water pump and a fire hose are adjusted according to fire behavior changes of a fire scene; and 3, the intelligent fire-fighting unmanned aerial vehicle cluster performs handover control on a fire-fighting nozzle, a pressurizing water pump and a fire-fighting hose in turn, and fuel oil is supplemented to the pressurizing water pump until fire extinguishing operation is finished. A fire-fighting water supply channel can be laid between a water source and a fire scene at an ultra-fast speed, the fire extinguishing operation speed is high, manual intervention is not needed, and nearly infinite fire-fighting water can be continuously provided.

A rapid fire extinguishing device for a new energy automobile comprises a fire extinguishing cover device capable of horizontally stretching or rotationally stretching, the fire extinguishing cover device comprises a flame-retardant fabric, the inner side of the flame-retardant fabric is connected with a horizontal stretching framework or a rotary stretching framework in a wrapping mode, and the horizontal stretching framework or the rotary stretching framework is of a hollow pipeline structure. The hollow pipeline structure is connected with the fire-fighting water spray head and the fire-fighting water connector, a pressure relief skylight is formed in the surface of the flame-retardant fabric, a water blocking fence surrounding the new energy automobile is arranged at the bottom of the fire extinguishing cover device, and fire-fighting water sprayed by the fire-fighting water spray head is accumulated between the water blocking fence and the new energy automobile to form a water pool to soak the new energy automobile. According to the rapid fire extinguishing device for the new energy automobile, the whole automobile is rapidly wrapped with the fire extinguishing cover device on the basis of portability, air isolation is achieved, then multi-angle jet fire extinguishing is achieved through the telescopic framework, the soaking fire extinguishing performance on the automobile is achieved through the water blocking fence, and finally the explosion risk caused by gas accumulation is prevented through the pressure relief skylight.

The invention provides a fire hose sealing effect detection device for fire detection, and relates to the technical field of fire detection equipment. The fire hose sealing effect detection device for fire detection comprises a base, a water tank is arranged at the upper end of the base, two first vertical rods are symmetrically and fixedly connected to the interior of the water tank, a first movable plate is slidably connected between the two first vertical rods, and a pressing block is fixedly connected to the lower end of the first movable plate. And two second vertical rods are fixedly connected to the interior of the water tank, a second movable plate is slidably connected between the two second vertical rods, and a scraping plate is fixedly connected to the lower surfaces of the two second movable plates. Through the structure, impurities on the surface of the fire hose can be treated, and the detection effect of the airtightness of the fire hose is guaranteed.

The invention discloses a container ship magnetic type fire extinguishing robot system, which relates to the technical field of robots and comprises a fire hose module, a fire robot and a remote control terminal module. Stable movement of the fire extinguishing robot is realized through a magnetic adsorption technology, fire source positioning and fire extinguishing precision is improved by combining real-time acquisition and analysis of environmental data, the navigation positioning module ensures accurate navigation of the robot, the data analysis module identifies key factors, and the task scheduling and control module optimizes a fire extinguishing strategy. The operation risk is reduced and the fire extinguishing efficiency is improved, so that the response time of the system is effectively shortened, the limitation of traditional fire extinguishing equipment is solved, and the safety and reliability of fire extinguishing operation are improved.

The invention relates to the technical field of fire hose strength detection, in particular to a fire hose tensile strength detection device for fire detection and a method thereof.The fire hose tensile strength detection device comprises a base, a partition plate is integrally formed in the middle of the inner side of the base, a blocking groove is formed in one side of the partition plate, and the interior of the base is divided into a water storage cavity and a dry cavity by the partition plate; and a driving assembly is arranged in the dry cavity, and the top end of the driving assembly is movably connected with an eccentric adjusting assembly. According to the improved device and method for detecting the tensile strength of the fire hose for fire detection, through mutual cooperation of the driving assembly, the eccentric adjusting assembly and the water injection assembly, the tensile property of the fire hose under the conditions of no water injection and water injection can be detected; meanwhile, the detection comprehensiveness can be improved by changing the direction of the tensile force applied to the water hose in the detection process, and the radial extrusion assembly can simulate the situation that the water hose is externally treaded or impacted in actual use, so that the diversity of detection items is improved.

The invention belongs to the technical field of fire fighting, and particularly relates to a groove connection type fire pump adapter which comprises a main body, a hand wheel, a valve rod and a valve plate are arranged on the main body, a supporting piece comprises a fixing block connected with the main body, and a supporting plate abutting against the valve plate is rotationally connected to the fixing block. The bottom of the fixing block is provided with an annular part for containing the supporting plate to rotate downwards, the rotating piece rotates to drive the pushing block at the bottom to rotate synchronously and be embedded into the first clamping groove, meanwhile, the arc face abuts against the arc face on the rack, and therefore the whole rack is pushed to move backwards, and the meshed driving wheel is driven to be transmitted to the transmission wheel. The transmission wheel rotates synchronously and drives the supporting plate to rotate downwards, so that the aperture of the supporting piece abutting against the valve plate is enlarged, water entering from the connector of the main body flows into the bottom pipeline of the main body more smoothly, and meanwhile, under the condition that the water flow is not changed, the connector of the bottom pipeline is enlarged, and water flow entering is not too rapid. Inlet flow speed is reduced, and water flow is more stable.

Disclosed is a design method for a bridge main cable fire-fighting water curtain protection system, comprising the following steps: S1: a fire detector and spraying branch pipes are arranged along a bridge main cable, a plurality of water curtain nozzle groups for extinguishing fire of a bridge are arranged on the spraying branch pipes, the water curtain nozzle groups are connected to a water supply system, and the water supply system and the fire detector are electrically connected to a control system; S2: the arrangement distance and the spraying protection area of the water curtain nozzle groups are determined, water curtain spraying appearance curves under a set design pressure and flow rate are drawn on a vertical and horizontal coordinate grid diagram and on the basis of a provided water curtain nozzle spraying profile diagram, and it is ensured that the water curtain spraying appearance curves of two adjacent water curtain nozzles have an intersection point; and S3, each spraying branch pipe is connected to a corresponding water supply branch, each water supply branch is provided with a pressure reducing valve for controlling the water pressure of the corresponding spraying branch pipe, and the pressure reducing valve on each water supply branch needs to independently set an outlet pressure.

The utility model relates to the technical field of fire fighting equipment, and discloses a fire hose quick connecting and sealing device which comprises a connecting male head, the outer side of the connecting male head is sleeved with a connecting female head, the outer side of the connecting female head is fixedly sleeved with a fixing seat, a cavity is formed in the fixing seat, and a piston mechanism is arranged in the cavity; a sealing seat is arranged on the inner wall of the female connector, a mounting groove is formed in the inner wall of the sealing seat, a sealing mechanism is arranged in the mounting groove, a groove is formed in the outer side of the male connector, and a limiting mechanism is arranged between the groove and the female connector. Compared with the prior art, the fire hose has the following advantages and effects that by arranging the sealing mechanism, a tiny gap between the connecting male head and the connecting female head can be effectively filled through the expanded sealing air bag, the purpose of preventing fire fighting water from leaking from the connecting part under the pressure effect is achieved, and therefore the sealing performance and reliability of the fire hose during water passing are guaranteed, and the service life of the fire hose is prolonged. And a powerful guarantee is provided for smooth fire-fighting operation.

The invention relates to the technical field of fire-fighting navigation systems, and discloses a high-precision Beidou navigation system based on fire-fighting water source positioning. A water source feature acquisition module of the system acquires fire hydrant and underground pipe network surface material reflectivity data through a multispectral imager, and generates a water source feature vector set; the Beidou signal enhancement module is used for carrying out error correction on the original Beidou satellite signal by adopting a carrier phase difference technology; the dynamic base station network is used for deploying a plurality of base station nodes in an urban building dense area, and each node synchronously receives Beidou signals, calculates atmospheric delay errors and transmits the atmospheric delay errors to the central processing module through a wireless ad hoc network; the three-dimensional terrain matching module is used for carrying out iterative alignment on the building contour data scanned by the laser radar and the urban GIS elevation data, and establishing a centimeter-level precision three-dimensional model of the surrounding environment of the fire-fighting water source; and the multi-source data fusion module is used for receiving all the data and outputting optimal positioning coordinates of the fire-fighting water source.

The invention provides a fire pool defect detection method and system. The method comprises the following steps: acquiring image data and angle data of a pool wall and pose data of a robot; performing image processing on the image data, and performing defect identification on an image processing result by using a convolutional neural network to obtain defect information; the defect information comprises the pixel offset of the defect position and the defect type; and performing coordinate calculation according to the pixel offset, the angle data and the pose data to obtain defect positioning. According to the invention, the robot is utilized to obtain the image data, angle data and pose data of the pool wall, and the convolutional neural network is combined to carry out defect identification and positioning, so that an automatic and high-precision detection process is realized. The problems of potential safety hazards, low efficiency, low accuracy and high operation cost caused by dependence on manual operation in a traditional fire pool defect inspection method are effectively solved.

The invention discloses a test device for detecting the pressure-bearing performance of a fire hose, and relates to the technical field of fire hose pressure-bearing detection.The test device comprises a main frame, the outer wall of one side of the main frame is fixedly connected with a side frame, and the top of the main frame is provided with a butt joint pipe used for fixedly and hermetically connecting a hose body; a fixing plate is arranged on the top of the main frame, and the butt joint pipe is fixedly connected with the fixing plate. According to the device, when a worker bends the water hose body to a certain angle and then stops bending, through the self-locking performance between a screw rod and a threaded sleeve, it can be guaranteed that the two fixing plates do not displace in the subsequent water hose body stamping process, and then it is guaranteed that the water hose body is always located at the set bending angle for pressure bearing detection; and the problems of unstable detection conditions and data deviation caused by the bending angle change due to the displacement of the fixed plate are avoided.

The utility model discloses a fire-fighting reel capable of adjusting belt releasing speed, which comprises a roller and a suspension support, the suspension support is fixedly connected with a rotary joint, the rotary end of the rotary joint is fixedly sleeved with the roller, and a fire-fighting water belt is wound on the roller. Then the elastic force of the spring is changed, so that the extrusion force of the limiting block on the fire hose can be adjusted, the magnitude of the force required for pulling the fire hose is changed, the release speed of the fire hose can be changed under the action of the same pulling force, and similarly, the release speed of the fire hose can be changed by adjusting the extrusion force of the limiting block on the fire hose; under the condition that the fire hose is pulled out at the same speed, more labor can be saved, when the fire hose is not used, the extrusion force of the limiting block on the fire hose is increased, water in the fire hose can be extruded out and the water outlet end of the fire hose can be fixed when the fire hose is taken up, and a child is prevented from pulling the fire hose to play with the fire hose.

The invention discloses a lithium battery fire extinguishing system, and belongs to the technical field of lithium battery fire extinguishing, the lithium battery fire extinguishing system comprises an energy storage cabin, the energy storage cabin is used for arranging a plurality of battery clusters, each battery cluster comprises a plurality of stacked battery modules, a fire water monitor is installed in the energy storage cabin, and the fire water monitor sprays a fire extinguishing medium to any battery cluster; a water collecting tank is arranged at the bottom of the battery cluster and is used for collecting the fire extinguishing medium flowing down from a plurality of battery modules of the battery cluster; a liquid supply assembly is arranged in the water collecting tank, filling openings are formed in the outer box body of the battery module, and the liquid supply assembly supplies the fire extinguishing medium in the water collecting tank into any filling opening through a pipeline assembly. The device has battery cluster external fire extinguishing and battery module internal fire extinguishing medium filling functions, realizes cyclic utilization from external fire suppression to internal cooling of the battery module after the fire extinguishing medium is sprayed, and improves economical efficiency and reliability; the system is low in complexity and easy to overhaul and maintain; the modification cost is low.

The invention relates to the technical field of water tank temperature monitoring, in particular to a monitoring system for a temperature detector to detect the temperature of a water tank, which comprises an intelligent temperature control core management module, a heating effect self-adaptive optimization module and a temperature abnormity sound-light alarm module, setting a heating time interval A according to a specific heat capacity and power formula; the heating effect self-adaptive optimization module adjusts a heating time interval A to a heating time interval B through a time adjustment method, and outputs a control instruction and the heating time interval B to a heating fan; if the indoor temperature value B is larger than the upper limit of the temperature threshold value, the heating completion time is set as the starting time of the detection time threshold value, and in the northeast cold region, the temperature between the fire water tanks is influenced by various factors such as the outside air temperature and the operation state of a heating fan, and the detection time threshold value is adjusted; and the temperature inspection intelligent scheduling unit closely fits the actual change condition of the indoor temperature.

The invention belongs to the technical field of ship equipment, and discloses a fire-fighting unmanned ship for a narrow water area and a control method thereof.The ship body comprises a single-bottom single-deck longitudinal framework structure and a main transverse watertight bulkhead which are connected with each other, and a dynamic stable propelling device is arranged on the ship body and comprises double electric propelling mechanisms and a bow lateral propelling mechanism; the intelligent fire fighting operation device is arranged on the boat body and comprises a multi-source sensing mechanism, a fire water monitor and a self-protection water mist mechanism, the multi-source sensing mechanism comprises a fire source positioning assembly used for positioning a fire source, and the fire water monitor and the self-protection water mist mechanism can spray water based on positioning information of the fire source positioning assembly. The double electric propulsion mechanisms and the bow lateral thrust mechanism can cooperatively act to counteract recoil generated during operation of the fire water monitor. Through the arrangement, the fire-fighting unmanned ship for the narrow water area can adapt to the environmental characteristics of the narrow water area, and the operation safety, stability and fire extinguishing precision are improved.

The invention relates to the technical field of intelligent fire fighting and fire prevention, in particular to an independent intelligent peripheral fire prevention system. The system comprises a fire monitoring and intelligent early warning system, an intelligent control center, a multi-layer three-dimensional protection system, a multi-water-source supply system and an independent power system. The monitoring and early warning system adopts a multi-mode sensor (temperature, smoke, infrared and visible light cameras, combustible gas detection and the like), and AI intelligent analysis is combined, so that automatic identification, early warning and response of fire behavior are realized. The intelligent control center is responsible for fire hazard grade evaluation and dynamic adjustment of the protection system. The multi-layer three-dimensional protection system comprises a high-pressure water curtain, an intelligent fire water monitor, an automatic spraying device and the like and is used for blocking an external fire source and accurately extinguishing fire. The multi-water-source supply system supports real-time recovery of municipal water sources, underground water storage ponds, rainwater collection systems, swimming pool water and fire fighting water, and has an intelligent switching function. The independent power system supports a municipal power grid, solar energy, a diesel generator and a standby battery pack so as to ensure that the system can still operate continuously under the condition that municipal power supply fails. The system can provide multiple fire protection guarantees of active detection, intelligent early warning, automatic protection and remote manual intervention, is especially suitable for high-fire risk scenes such as building periphery fire protection, forest fire prevention, high-risk material storage and open-air material stacking areas, and improves the independence, safety and reliability of a fire protection system.

The detachable fire water monitor comprises a fire water monitor body, adjusting assemblies are arranged at the two ends of the fire water monitor body through inserting mechanisms, the adjusting assemblies are fixedly arranged on a rotating plate, a base is arranged at the bottom end of the rotating plate through a rotating mechanism, and the rotating mechanism comprises a rotating rod rotationally arranged in the middle of the base. The rotating rod is fixedly connected with the bottom of the rotating plate, the rotating plate is further connected with the base through a guide assembly, and a handrail is fixedly arranged on the fire water monitor body. The fire water monitor has the beneficial effects that the fire water monitor body can be conveniently assembled, meanwhile, the inclination angle of the fire water monitor can be flexibly adjusted during use, fire water spraying is facilitated, the fire water monitor can be conveniently and independently disassembled when disassembling, overhauling or replacing is needed, convenience and rapidness are achieved, meanwhile, the fire water monitor is convenient to carry after being disassembled, and follow-up replacing or overhauling operation is facilitated.

The invention provides a management method for operation of a fire pump house. The method comprises the following steps: at least acquiring regional image information of a fire pump house; processing the fire-fighting water pump room area image information by adopting a fire-fighting water pump monitoring model to generate fire-fighting water pump room area monitoring information; and judging whether the fire-fighting water pump room area monitoring information accords with a preset condition, and generating a corresponding management strategy when the fire-fighting water pump room area monitoring information accords with the preset condition. Therefore, the management method ensures that the large model can correctly provide information through the professional knowledge base and the knowledge graph in the field of maintenance operation of the fire pump house. In addition, the detection rule is defined by using a natural language, so that the utilization rate of physical defense and civil defense can be improved to the greatest extent. And finally, multi-modal identification of a risk scene is realized by using computer vision and a large model, so that known risks can be effectively prevented, left risks can be found through anomaly identification, and a management system is continuously improved.

The invention provides a fire hose winding and unwinding device and method. The fire hose winding and unwinding device comprises a frame with a transmission system and at least one winding system installed on the frame, a handle is arranged on the frame, each winding system comprises a baffle disc, a rotating shaft, a sleeve shaft and a reel, one end of each rotating shaft is connected with the transmission system, one end of each sleeve shaft is sleeved in from the other end of the corresponding rotating shaft, and the reel is arranged on the frame. One end of the sleeve shaft is connected with the rotating shaft, the sleeve shaft is detachably connected with the rotating shaft, the transmission system drives the rotating shaft to rotate and enables the sleeve shaft to move along with the rotating shaft, the other end of the sleeve shaft is integrally connected with the reel, the blocking disc is integrally connected to the rotating shaft, and a take-up and pay-off space is formed between the blocking disc and the reel. In the moving process, winding and unwinding of the water hose can be achieved, manual winding is not needed, the difficulty of laying the water hose is reduced, and efficiency is improved.

The active fire prevention system comprises a fire extinguishing module, a side span emergency module and a middle span emergency module, the fire extinguishing module comprises a plurality of fire pools fixed to the top of a bridge tower, and a water supply main pipe connected with the bottom of the fire extinguishing module is laid in the extending direction of the main cable and fixed to the top of the main cable; spraying branch pipes and temperature sensing automatic closing type sprayers are arranged on the water supply main pipe at intervals. The side span emergency module comprises a first emergency water storage tank and a first pressurizing water pump which are fixed in a stiffening beam and are communicated with a side span water supply main pipe through a first emergency connecting pipe, and the mid-span emergency module comprises a second emergency water storage tank and two second pressurizing water pumps which are fixed in the middle of a mid-span stiffening beam; and the two second emergency connecting pipes are respectively communicated with water supply main pipes on two sides of the midspan. Real-time fireproof protection of the main cable is achieved through the fire extinguishing module, the temperature rise of the main cable is directly prevented from exceeding the critical temperature, the risk of structural failure is avoided, the emergency module continuously provides a water source and pressure when the water source is insufficient, and the fire extinguishing duration is prolonged.

The utility model discloses a fire-fighting sprinkler which comprises a sprinkler body, the sprinkler body is of a tubular structure, external threads are arranged on the peripheral face of the sprinkler body, a connecting piece is arranged at the bottom of the sprinkler body and fixedly connected with an annular plate through a plurality of connecting rods, and a plurality of first spoilers extending in the radial direction are fixedly connected to the peripheral face of the connecting piece. A connecting piece is arranged at the lower end of the spray head, a limiting ring is fixedly connected to the inner circumferential face of the lower end of the spray head, a sealing plug is arranged at the bottom end of the interior of the spray head, a thermosensitive glass ball is arranged between the connecting piece and the sealing plug, and a protection pipe is arranged on the outer side of the thermosensitive glass ball in a sleeved mode. The heat-sensitive glass ball is arranged above the connecting piece, after the heat-sensitive glass ball is heated and broken, the sealing plug falls under the action of pressure, fire fighting water is sprayed out, and the heat-sensitive glass ball is prevented from being damaged by external collision by arranging the telescopic protection tube outside the heat-sensitive glass ball.

The utility model discloses a fire hose winding device which comprises a base, universal wheels are arranged on the outer surface of the lower end of the base, and a control panel is fixedly installed on the outer surface of one side of the base. The outer surface of the upper end of the base is provided with a spiral clamping type quick fixing and winding device used for improving the fixing, dismounting and mounting convenience when a fire hose is wound, the spiral clamping type quick fixing and winding device comprises a fixing base and a fastening threaded sleeve, and the outer surface of the upper end of the fixing base is fixedly connected with a mounting side plate; and a driving motor is fixedly mounted on the outer surface of one side of the mounting side plate. According to the fire hose winding device, the spiral clamping type rapid fixing winding device is arranged, the structure is simple, the automation degree is high, automatic winding of a fire hose can be achieved, manual winding is not needed, the working efficiency is improved, the convenience of dismounting, mounting and fixing during winding of the fire hose can be improved, and the practicability is high. And the working efficiency is further improved.

The invention discloses an air pressure internal driving plug type fire hose self-drainage device which comprises a movable gas cylinder, one end of the movable gas cylinder is fixedly connected with a first hose connector, one side of the first hose connector is movably connected with a second hose connector, one side of the second hose connector is fixedly connected with a hose, and the other side of the second hose connector is fixedly connected with a water pump. One end of the water hose is movably connected with a collecting bag, and a movable plug is slidably mounted in an inner cavity of the water hose; one end of the movable gas cylinder is movably connected with a connecting pipe, and the connecting pipe is fixedly connected with the first water hose connector; gas in an inner cavity of the movable gas cylinder is released into an inner cavity of the water hose through the connecting pipe, the gas entering the inner cavity of the water hose can push the movable plug to slide in the inner cavity of the water hose, the sliding movable plug can extrude water in the inner cavity of the water hose, and finally the water and the movable plug are discharged together through one end of the water hose; and water discharged from the inner cavity of the water hose passes through the collecting bag and the moving plug and finally falls into the inner cavity of the collecting bag.

The utility model provides a battery energy storage container and battery energy storage equipment, the battery energy storage container comprises a box body and a fire extinguishing system, the box body is used for accommodating a battery pack, the fire extinguishing system comprises an aerosol fire extinguishing device and a water spray fire extinguishing device, the aerosol fire extinguishing device is arranged in the box body, and the water spray fire extinguishing device is arranged in the box body. The battery box is used for being positioned above the battery pack; the water spraying fire extinguishing device comprises a fire fighting pipeline and a spraying head, one end of the fire fighting pipeline is used for being connected with a fire fighting water source, the other end of the fire fighting pipeline is connected with the spraying head, and the spraying head is arranged in the box body and used for being located above the battery pack. The aerosol fire extinguishing device and the water spraying fire extinguishing device are integrated in the battery energy storage container, and the aerosol fire extinguishing device and the spraying head are both located above the battery pack, so that the cost is reduced, the occupied space is reduced, the maintenance difficulty is reduced, and the disaster prevention effect is improved.

The invention relates to the technical field of rubber products, in particular to a flame-retardant fire hose lining and a preparation method thereof.The preparation method comprises the steps that S1, modified chloroprene rubber, reinforcing filler, a plasticizer and an anti-aging agent are added into an internal mixer to be mixed for 2-3 h and cooled to the room temperature, and a vulcanizing-agent-free rubber compound is prepared; mixing the rubber compound without the vulcanizing agent, a cross-linking agent, the vulcanizing agent and a vulcanization accelerator on a double-roller open mill to prepare a rubber compound containing the vulcanizing agent; s2, molding the rubber compound containing the vulcanizing agent, and vulcanizing on a plate vulcanizing machine to obtain primary vulcanized rubber; and S3, carrying out secondary vulcanization on the primary vulcanized rubber to obtain the flame-retardant fire hose lining. The prepared flame-retardant fire hose lining has the advantages of favorable flame retardancy, high tensile strength, high elongation at break, stable mechanical properties, favorable aging resistance and favorable wear resistance, and can still maintain favorable toughness in a low-temperature environment, thereby obviously enhancing the overall performance and prolonging the service life of the fire hose.

The utility model discloses a fire pump adapter, and belongs to the technical field of fire pumps. A base is mounted at the bottom of the pump body, multiple sets of mounting nails are mounted on the base, pipe bodies are mounted at the two ends of the pump body, the pipe bodies are communicated with the pump body, mounting assemblies are mounted in the pipe bodies, joint assemblies are mounted in the mounting assemblies, and connecting pipes are fixedly connected to the tail ends of the pipe bodies. A fixing pipe corresponding to the connecting pipe is installed on one side of the connecting pipe in a matched mode, and a clamping assembly is installed on the fixing pipe. The joint component is mounted in the pipe body, the fire-fighting pipe is connected with the joint component through the inlet pipe body after being connected with the connecting pipe head, so that the fire-fighting pipe is tightly connected with the fire-fighting water pump, the clamping component is mounted on the fixed pipe, the mounting component is mounted in the pipe body, and the two components are matched, so that the pipelines cannot be misplaced during connection, and the fire-fighting water pump can be connected with the fire-fighting water pump. And meanwhile, a telescopic pipe on the joint assembly can be triggered to pop out, so that internal connection is tighter.

The utility model discloses a circulating heat supply system of a fire-fighting main pipeline in a tunnel, which comprises the fire-fighting main pipeline, a first water inlet and a second water inlet are arranged on the fire-fighting main pipeline, the fire-fighting main pipeline is connected with a fire hydrant through a branch pipeline, and the first water inlet and the second water inlet are arranged on the fire-fighting main pipeline. The circulating heat supply device is respectively communicated with the first water inlet and the second water inlet through a water inlet pipeline; the fire pool is connected with the water inlet pipeline. By arranging the circulating heat supply device, heat can be directly supplied to water flowing through the fire-fighting main pipeline, energy consumption is effectively reduced, on one hand, more energy is saved, on the other hand, the operation cost can be reduced, and economical efficiency is improved; through connection of the fire pools and switching of the valves, it can be guaranteed that water supply in the main fire pipeline is sufficient when a fire occurs, and then timeliness and reliability of fire extinguishing in the main fire pipeline are guaranteed.