38results about How to "Prevent deflagration" patented technology

The invention relates to the technical field of distribution boxes, in particular to an explosion-proof distribution box for dust, which comprises an outer box body and a box door, the air conditioner further comprises an inner box body, a fan, an air return port, a wire passing pipe and a heat dissipation structure, the inner box body is installed in the outer box body, a gap is formed between the outer wall of the inner box body and the inner wall of the outer box body, the heat dissipation structure is installed in the gap between the outer box body and the inner box body, an air inlet duct is formed in the upper wall of the inner box body, and the duct is communicated with the upper gap between the inner box body and the outer box body. The fan is installed in a duct of the inner box body, the lower wall of the inner box body is provided with a plurality of return air inlets, the duct and the return air inlets are communicated with a second cavity of the inner box body, the return air inlets are communicated with a lower gap between the inner box body and the outer box body, and the wire passing pipe penetrates through the outer box body and the side wall of the inner box body and is used for allowing a cable to penetrate through; an air inlet and an air outlet are not formed in the box body, so that detonation caused by contact between dust and electrical equipment in the box body is avoided, and the safety is improved.

The utility model relates to the technical field of switch cabinets, in particular to an anti-deflagration high-voltage switch cabinet which comprises a shell, a cabinet door is mounted on one side of the shell through hinges, the other side of the cabinet door is fixed on the shell through a lock catch, a controller is mounted on one side, close to the shell, of the cabinet door, the controller is connected with an external power supply through a wire, and a box body is mounted on one side of the shell. A gas collecting pipe is installed on the side face of the shell, a plurality of gas conveying pipes are installed on the side face of the gas collecting pipe, the tail ends of the gas conveying pipes penetrate through the box body and are connected with openings of the gas cylinders, and an exhaust pipe is installed at one end of the gas collecting pipe. Opening and closing of the electric control valve can be controlled through the controller, when the smoke sensor detects combustion of components in the shell, the controller can open the electric control valve, carbon dioxide gas in the gas cylinder is conveyed to the spray head through the gas conveying pipe, the gas collecting pipe and the exhaust pipe to be sprayed out, a fire source is extinguished, and deflagration is prevented.

The utility model discloses a hydrogen burner with a burning flow guide disc, which comprises a hydrogen burner main body, the bottom of the hydrogen burner main body is fixedly connected with a feeding channel used for feeding air into the hydrogen burner main body, and a flow guide disc body matched with the feeding channel is arranged in the feeding channel. According to the utility model, the flow guide disc body is arranged, so that hydrogen and combustion-supporting gas which are introduced from the hydrogen joint and the combustion-supporting gas joint can be mixed under the turbulent flow action of the flow guide teeth, and then are introduced into the hydrogen burner main body through the gas inlet cover for combustion, thereby ensuring that the hydrogen and the combustion-supporting gas are uniformly mixed; due to the fact that the flow guide disc body is provided with the fixing bolt and the threaded fixing base, too fast combustion caused by too high local hydrogen concentration can be effectively avoided, detonation generated during hydrogen combustion is avoided, meanwhile, the flow guide disc body can be conveniently disassembled and assembled through the fixing bolt and the threaded fixing base, the flow guide disc body can be conveniently maintained or replaced, and the practicability of the flow guide disc is improved.

The utility model provides a high-energy battery rod of an extended-range vehicle. The high-energy battery rod of the range extending vehicle comprises a shell, a positive pole lug is arranged at the bottom of the shell, a sealing sleeve is fixedly connected to the top of the shell in a sleeving mode, a negative pole lug is arranged in the sealing sleeve, and a positioning rod is fixedly connected to the interior of the shell in a sleeving mode. According to the high-energy battery rod of the range-extending vehicle provided by the utility model, the heat dissipation ring is arranged, so that when the battery rod works for a long time and charges and discharges frequently to generate relatively large heat, the heat conduction sheet can absorb the heat in the shell, and then the heat is transferred to the interior of the heat dissipation ring through the heat conduction column; at the moment, the heat dissipation ring can quickly discharge heat to the outside of the shell, so that the effect of discharging the heat in the shell is achieved, namely the effect of quickly discharging the heat in the battery rod is achieved, the problem that the working efficiency is greatly reduced when the temperature of the battery rod is too high is avoided, and the working efficiency of the battery rod is greatly improved.

The invention relates to the technical field of commercial kitchenware, and specifically discloses a gas stove head with a built-in kindling. The kindling is arranged in a side wall of the stove head, and the internal structure of the stove head is redesigned, so that the gas enters the air inlet pipe through the gas port for mixing, and the mixed gas partially enters the kindling mixed gas air inlet pipe to provide fuel for the kindling. The kindling is arranged in the middle of the side wall of the stove head. When the stove head is ignited, the gas at the bottom is also ignited by the kindling, so as to prevent the explosion inside the stove head. The invention has a compact structure and a reasonable internal structure design, and the kindling will not be affected by the high-temperature flame in the combustion chamber and the oil and water debris that fall into it, so as to avoid the phenomenon that the air pressure inside and outside the stove head is unequal and the kindling burns unstably.

The invention discloses a control method, device and equipment for a gas device and a medium, the method comprises the steps that a heating signal is responded, a smoke exhaust fan is controlled to operate at a high gear within first preset time, the gears of the smoke exhaust fan comprise the low gear and the high gear, and the types of the heating signal comprise the low-gear heating signal and the high-gear heating signal; after the first preset time is up, the smoke exhaust fan is controlled to operate at a low gear, and meanwhile the ignition needle is controlled to start preheating; after the ignition needle reaches the preset temperature, the gas valve is controlled to operate at a low gear; and if it is detected that ignition succeeds, gear switching of a gas valve and a smoke exhaust fan is controlled based on the type of the heating signal. According to the technical scheme provided by the embodiment of the invention, the effects of preventing ignition deflagration and enabling fuel gas to be fully combusted can be achieved.

The present invention discloses a combined heat and power system based on HT‑PEMFC waste heat utilization, and relates to the technical field of combined heat and power. The fuel cell subsystem includes: an air intake unit inputs hydrogen and air; a high-temperature proton exchange membrane fuel cell is connected to the air intake unit; a hydrogen buffer buffers and stores unburned hydrogen; the hydrogen output by the hydrogen buffer is mixed with the gas output by the cathode to obtain a mixed gas; the hydrogen in the mixed gas undergoes catalytic combustion in the catalytic burner; a flame arrester blocks the flame and discharges the tail gas; the waste heat utilization subsystem includes: a heating unit uses the core coolant as a heat source to heat the external heating system; and a GOSWAMI circulation unit uses the core coolant as a low-temperature heat source to drive refrigeration. While realizing HT‑PEMFC power generation and heat supply, the present invention also realizes HT‑PEMFC waste heat recovery and utilization for refrigeration, thereby improving the efficiency of HT‑PEMFC waste heat recovery and recycling.

The invention discloses a multi-fuel generator set control method and device, electronic equipment and a medium, and is applied to the field of generators. The method comprises the steps of obtaining a rotating speed signal representing the rotating speed of a generator in real time; if the rotating speed signal represents that the rotating speed of the current generator is not zero, a fuel switching signal is obtained, and an electromagnetic valve corresponding to the fuel switching signal is controlled to be powered on so as to be connected with a fuel transmission channel; if the rotating speed signal represents that the current rotating speed of the generator is zero, a corresponding electromagnetic valve in the multi-fuel generator set is controlled to be powered off, so that a fuel conveying channel is cut off. Therefore, the valve at the pipeline for conveying the fuel is the electromagnetic valve, so that when the rotating speed of the generator is detected to be zero, the corresponding electromagnetic valve is controlled to be powered off, the purpose of instantly cutting off the fuel conveying channel is achieved, and meanwhile, the cutting-off speed of the fuel conveying channel can be further ensured by detecting the rotating speed of the motor in real time; and therefore, the phenomenon that the unburned fuel is sucked into the silencer to generate deflagration is avoided.

The utility model provides an exhaust structure and a water heater, the exhaust structure comprises a unit, a condenser assembly and a fan assembly, the unit comprises a unit interior and a unit periphery, and a compressor filled with combustible refrigerant and a pipeline structure connected with the compressor are arranged in the unit; the condenser assembly is arranged on one side of the periphery of the unit. The fan assembly is arranged on the other side of the periphery of the unit, communicates with the outside and is used for exhausting gas in the unit. When the fan assembly is started, airflow enters the unit from one side of the condenser assembly and is exhausted to the outside through the fan assembly. The air conditioner unit is provided with the condenser assembly and the fan assembly, the fan assembly exhausts air outwards, air flow enters from one side of the condenser assembly, a wind field is formed in the unit, leaked combustible refrigerants are discharged to the outside along with the wind field, the combustible refrigerants are prevented from being gathered in the unit, the concentration of the combustible refrigerants is prevented from reaching the combustible concentration standard, and the combustible refrigerants are prevented from leaking out. And the burning explosion phenomenon caused by contact between the combustible refrigerant and the ignition source switching device is avoided, and the safety performance of the equipment is improved.

The utility model discloses a kind of boiler combustion pressure early warning devices, it is related to pressure early warning device technical field, including shell and display screen;Shell: top surface is hinged with shell cover, the front side of shell cover is fixed with display screen, the left and right sides of shell are evenly provided with heat dissipation hole, processor is fixed in the inside of shell, the bottom surface of shell is equipped with adjusting unit, the inside of adjusting unit is respectively installed with multispectral flame detector and pressure sensor;Wherein, it further includes controller, the boiler combustion pressure early warning device, flexible telescopic positioning of detector is realized by adjustable winding shaft structure, adapt to different monitoring needs;Protective unit is used to protect sensor cable, ensure stable operation under harsh environment in combination with heat dissipation hole and dust screen;Integrated pressure and flame double monitoring function, data are analyzed by processor and are linked with audible and visual alarm, wireless transmission module, realize local and remote double early warning.

The utility model discloses an anti-backfire gas combustion device, the anti-backfire gas combustion device comprises a combustion body, a nozzle and a sealing piece, the combustion body comprises a main chamber and a premixing chamber, the premixing chamber is communicated with the main chamber, the premixing chamber is suitable for introducing air, the nozzle is arranged in the premixing chamber and is provided with a spout, and the sealing piece is arranged on the nozzle. The nozzle is used for spraying marsh gas into the premixing chamber so that marsh gas and air can be premixed in the premixing chamber to form mixed gas, the mixed gas is combusted in the main chamber to form flames, the first end of the sealing part is pivotally connected with the nozzle so that the sealing part can rotate between a first position and a second position, and at the first position, the second position is opposite to the first position; in the first position, the closure closes the spout to prevent flame from flowing back into the nozzle, and in the second position, the closure is away from the spout to facilitate injection of biogas into the pre-mixing chamber. The anti-backfire gas combustion device provided by the utility model has the advantage of good safety.

This utility model discloses a dual-source multi-combustion system, comprising: a boiler, wherein an exhaust gas burner, a pulverized coal silo burner, and at least two air-coal burners are provided; a plurality of main combustion coal mills are connected to one or more air-coal burners; a plurality of pulverized coal storage mills are connected to the remaining air-coal burners in the boiler; a gas drying system is connected to the main combustion coal mills and the pulverized coal storage mills respectively, for drying and conveying the coal ground in the main combustion coal mills and the pulverized coal storage mills to form primary air-coal mixture; a plurality of fine powder separators are used to separate the primary air-coal mixture to form pulverized coal and exhaust gas; a plurality of exhaust gas fans are used to collect exhaust gas, and the outlets of the exhaust gas fans are connected to the exhaust gas burner and the pulverized coal storage mill respectively; a plurality of pulverized coal silos are used to collect the pulverized coal generated in the fine powder separators; a hot medium conveying system is used to convey the pulverized coal in the pulverized coal silos to the pulverized coal silo burners, and the gas drying system is also connected to the hot medium conveying system to preheat the pulverized coal conveyed to the pulverized coal silo burners.

A concentric sleeve is adopted as a premixer or a distributor, a water-cooling tube bundle and a gas injection tube bundle are welded alternately to form a combustion surface tube bundle, the concentric sleeve is communicated with the gas injection tube bundle, and gas injection holes are formed in the hearth side of the gas injection tube bundle. The inner layer of the concentric sleeve is communicated with the annular space, gas in the inner layer and air in the annular space are fully premixed, premixed gas enters the gas injection pipe bundle in the pipe length direction after turning by 90 degrees and is distributed, then the premixed gas is sprayed out of the gas injection holes for combustion, uniform ignition is conducted through a flat cable ignition spray pipe, a traditional large-size premixer and a distributor are abandoned, a large-area flow equalizing pore plate is not needed, and the cost is reduced. Gas is premixed, distributed and combusted evenly, resistance is low, flame rigidity is high, pollutant emission is low, the structure is compact, machining and transformation are easy, the burner is suitable for various furnace types such as corner pipes and cross flow pipes, a plurality of concentric sleeves can be arranged to be communicated with different gas spraying pipe bundles, different kinds of gas are sprayed in, and mixed blending combustion or independent blending combustion of various kinds of gas is achieved.

The invention discloses a waste lithium battery black powder crushing and sorting device and a recovery process in the technical field of waste lithium battery black powder recovery, and the waste lithium battery black powder crushing and sorting device comprises a feeding unit, an electrode material dissociation unit and a sorting and enriching unit which are sequentially arranged along the material flow direction, comprising an active material collection system, a metal current collector separation system and an electrode active material purification system, and inert gas protection and temperature monitoring are introduced in the core link of crushing and dissociation, so that the risk of combustion explosion is eradicated fundamentally, the chemical stability of an electrode material is guaranteed, and the service life of the electrode material is prolonged. Secondly, shearing and crushing are adopted to optimize the dissociation effect, pneumatic separation, eddy current and magnetic separation multi-stage and precise separation technologies are combined, a returned material crushing closed circuit is innovatively introduced, the black powder collection rate and the separation purity and total recovery rate of copper and aluminum metal are greatly improved, and finally, the recovery rate of the copper and aluminum metal is increased. All the units are integrated into a continuous automatic system, and maximum utilization of resources is achieved.

The present invention discloses a gas cut-off valve and pressure reducing valve integrated control device, comprising a liquefied gas access pipeline, the liquefied gas access pipeline is connected to each stove, one end of the liquefied gas access pipeline is sequentially connected to a liquefied gas medium-pressure pressure reducing valve, a one-way check valve, an explosion-proof cut-off valve and a liquefied gas output pipeline, the liquefied gas output pipeline is respectively connected to a medium-pressure gas outlet pipe and a low-pressure gas outlet pipe through a branch pipe, the other end of the liquefied gas access pipeline is provided with a connector connected to a liquefied gas tank, the one-way check valve unidirectionally guides the liquefied gas access pipeline to the explosion-proof cut-off valve, a valve for controlling on and off is installed on the medium-pressure gas outlet pipe, and the valve for controlling on and off and a low-pressure pressure reducing valve are sequentially connected to the low-pressure gas outlet pipe. The device has a high degree of integration, is convenient to control, and has better safety.

The present invention belongs to the technical field of hydrogen stoves, and is particularly an anti-explosion and anti-flashback hydrogen stove. In view of the problem that the rapid combustion performance of hydrogen may easily cause flashback at the moment of turning off the fire, the following scheme is proposed, including a stove panel with a circular hole in the middle, a metal fixing seat embedded in the circular hole, a transition clamp ring with an annular structure embedded in the middle of the metal fixing seat, which is made of a material with good heat insulation and thermal expansion prevention, thereby avoiding a large expansion rate after heating and causing the device to loosen, a burner structure is clamped in the middle of the transition clamp ring, and an air inlet is reserved at the bottom of the burner structure. When the fire is turned off, the piston column loses the gas thrust from the bottom, and under the action of gravity, it will quickly fall down to expose the explosion-proof pipe and block the circuit of the C-shaped side branch pipe, so that the ignited residual gas can only be ejected from the explosion-proof pipe, thereby preventing the phenomenon of flashback.

The invention discloses a buoyancy type lifting device and a lifting method, a driving device of a cargo carrying plate comprises a first buoyancy plate and a second buoyancy plate, and the first buoyancy plate and the second buoyancy plate can ascend and descend under the action of buoyancy. When the cargo carrying plate needs to be controlled to ascend and descend, the first water conveying device and the second water conveying device work to drive the first buoyancy plate and the second buoyancy plate to ascend and descend, the first buoyancy plate and the second buoyancy plate can drive the cargo carrying plate to ascend and descend when ascending and descending, and therefore ascending and descending of articles are achieved; according to the invention, non-contact connection between the cargo carrying plate and the first buoyancy plate and between the cargo carrying plate and the second buoyancy plate can be realized, in addition, static electricity generated by electrical devices, mechanical transportation and the like is isolated, so that detonation of inflammable explosives is avoided, and the conveying safety is ensured.

The utility model belongs to the technical field of safety improvement and transformation of coal-fired thermal power generating units, and discloses a carbon dioxide drying middle storage type coal pulverizing system which comprises a hearth, a pulverized coal bunker, an air preheater, a carbon dioxide storage tank and a pulverized coal separation unit. The carbon dioxide storage tank is connected with an inlet of an air preheater, an outlet of the air preheater is connected with a plurality of coal mills, the coal mills are all connected with a pulverized coal separation unit, the pulverized coal separation unit is connected with a pulverized coal bin, and the pulverized coal bin is connected with a hearth. The inert gas carbon dioxide is adopted as a drying medium of the coal pulverizing system, the possibility of detonation of the coal pulverizing system is completely eradicated, the temperature of the medium entering the coal pulverizing system can be increased by fully utilizing the upper limit of the heat exchange capacity of the boiler air preheater, the range of coal types which a corresponding power plant boiler can adapt to is greatly widened, and the energy consumption is reduced. And the safety and reliability of power plant operation and the degree of freedom of coal purchasing are powerfully improved.

The invention discloses a powder column coating agent and a coating method for an aerosol fire extinguishing agent. The powder column coating agent is prepared by mixing high temperature resistant silicone oil, an inorganic flame retardant and a platinum-containing catalyst. The powder column coating agent is tightly coated on the surface of the powder column of the aerosol fire extinguishing agent, so as to enhance the shock resistance of the powder column and reduce the damage rate caused by storage and transportation. Meanwhile, the powder column coating agent can also block the combustion heat, reduce the risk of leaping fire and deflagration of the powder column, reduce the heat insulation requirements for the fire extinguishing device and improve the safety of the operators; meanwhile, the powder column can be ensured to burn in an orderly manner and continuously generate a fire extinguishing aerosol for fire extinguishing, so as to avoid explosion accidents caused by the fire extinguishing device being unable to withstand the pressure caused by a large amount of gas generated by the deflagration, thereby improving the safety of fire extinguishing.

The invention discloses an explosion-proof voltage transformer cabinet, and relates to the technical field of voltage transformer cabinets. The invention comprises a switch door, on which a common password lock and a reinforced password lock are installed; and an upper pressure relief box is also included, in which an air bag which is only connected with the inside of a PT cabinet is installed, and in an initial state, the air bag is in a contracted state, and a push switch is also installed in the upper pressure relief box, and the push switch is electrically connected with the reinforced password lock. When the air pressure inside the PT cabinet rises, the air bag expands to a predetermined position inside the upper pressure relief box, and contacts the push switch to energize the reinforced password lock, and at this time, the reinforced password lock is in a working state; in the invention, the common password lock and the reinforced password lock are used to solve the problem of insufficient stability of the switch door of the PT cabinet during explosion, and the trouble in normal application can be avoided, and fire extinguishing can be automatically triggered at the same time, which can avoid deflagration on the one hand, and extinguish the fire as quickly as possible to reduce losses on the other hand.

The invention relates to the technical field of high-low voltage power distribution cabinets, in particular to a high-low voltage power distribution cabinet with a protection structure, which comprises a cabinet body, a cabinet door is rotatably mounted on the front side surface of the cabinet body, an inner frame is fixedly connected to the front inner wall of the inner cavity of the cabinet body, the side surface of the cabinet door is in contact with the side surface of the inner frame, and a closed groove is formed in the side surface of the cabinet body. A closed groove is formed in the top of the cabinet body, the closed groove penetrates through heat dissipation holes in the side face of the cabinet body, a nitrogen discharging mechanism is installed at the top of the cabinet body, and a sealing mechanism used for sealing the heat dissipation holes is installed at the top of the cabinet body. Therefore, the air in the dead angle area in the cabinet body is stirred, the air enters the flowing air flow to be pumped away, the more uniform air pumping effect is achieved, the effect of reducing the oxygen content in the cabinet body is achieved, the fire behavior in the cabinet is inhibited or extinguished in time, and fire expansion is avoided.

The invention provides an oil supply and return fuel oil system for a main combustion chamber ignition performance test and an adjusting method, and belongs to the technical field of aero-engine tests, the oil supply and return fuel oil system comprises an oil storage tank, a fuel oil degassing device, a fuel oil pump, a plurality of flow meters with different measuring ranges, an electric heater, a gas-heat heat exchanger, an electromagnetic three-way valve, an adjustable throttling device and a plurality of adjusting valves, an inlet of the fuel pump is connected with the oil storage tank through the fuel degassing device, one path of an outlet of the fuel pump is connected to an oil return opening of the oil storage tank through the oil return adjusting valve, and the other path of the outlet of the fuel pump is connected to the flow meters with different measuring ranges through the oil supply adjusting valve, the back ends of the plurality of flowmeters with different measuring ranges are gathered and then are respectively connected with a normal-temperature flow path, a low-temperature pipeline and a heating flow path which are respectively formed by a normal-temperature test valve, a low-temperature test valve and a heating test valve which are arranged in parallel, the three flow paths are connected to a first port of an electromagnetic three-way valve, and a second port of the electromagnetic three-way valve is connected to a test piece; and the third port is connected to an oil return port of the oil storage tank through an adjustable throttling device.

The utility model relates to the technical field of valves, in particular to a valve assembly of a hydrogen storage device, which comprises a valve casing, a cover plate is detachably mounted on the surface of the valve casing, filler is filled in the valve casing, a valve rod is rotatably connected in the cover plate, the valve rod penetrates through the filler, a mounting rod is slidably connected in the cover plate, and the valve rod penetrates through the mounting rod. A catalyst is fixedly connected to the lower end of the mounting rod, a spiral groove is formed in the surface of the cover plate, the inner wall of the spiral groove communicates with a plane groove, two clamping blocks are fixedly connected to the arc surface of the mounting rod, the clamping blocks are slidably connected with the plane groove, and the clamping blocks are matched with the spiral groove in size; and the upper end of the mounting rod is fixedly connected with a baffle plate. According to the hydrogen storage device, due to the arrangement of the catalyst, when hydrogen leaks from the gap between the filler and the valve rod, the catalyst can oxidize the leaked hydrogen, so that detonation caused by the hydrogen is prevented, and the safety of the hydrogen storage device is further improved.

The present invention relates to a hydration system for preparing acrylamide crystals, comprising a mycelium unit, the mycelium unit comprising a pair of mycelium storage tanks arranged in parallel; a hydration reaction unit, the hydration reaction unit comprising at least one hydration reaction kettle; an ultrafiltration unit, the ultrafiltration unit comprising a plurality of ultrafiltration membranes arranged in parallel; an aqueous solution metering unit, the aqueous solution metering unit comprising a pair of finished product storage tanks arranged in parallel and a finished product metering tank; a chemical cleaning unit, the chemical cleaning unit comprising a chemical cleaning tank; a recycled water unit, the recycled water unit comprising an underground tank and a recycled water storage tank. The advantages of the present invention are: by using the coordination among the mycelium unit, the hydration reaction unit, the ultrafiltration unit, the aqueous solution metering unit, the cleaning unit, and the recycled water unit, the waste liquid and waste generated in the entire reaction process can be recycled and treated, the discharge of toxic substances can be reduced, and the protection of the surrounding environment is beneficial.

This invention belongs to the field of aero-engines and discloses an explosion-proof igniter for aero-engines. It includes: an integrated housing, an upper ball seat, a lower ball seat, a hollow ball head, a baffle plate, a starting nozzle, and an ignition electrode. The integrated housing is cylindrical, with a blind hole on its lower end face, the bottom of which is spherical. The outer wall of the housing has external threads. A starting nozzle connector, an ignition electrode connector, and an oxygen supply pipe connector are respectively located on the upper side of the integrated housing. A starting nozzle and an ignition electrode are installed in the starting nozzle connector and the ignition electrode connector, respectively, and these connectors are connected to the bottom of the blind hole. The oxygen supply pipe connector connects to an oxygen supply line. The upper ball seat is cylindrical, with internal threads on its upper inner wall, and is connected to the integrated housing via these threads. The lower inner wall of the upper ball seat and the inner wall of the lower ball seat form a spherical surface that mates with the hollow ball head. An air intake groove is provided on the side wall of the upper ball seat. The baffle plate is welded inside the upper ball seat and located below the air intake groove.

A carbon dioxide BOG recirculation system for a marine engine integrates a shipborne carbon capture system, a carbon dioxide storage tank, an engine scavenging box, an oxygen concentration sensor and a control unit. The shipborne carbon capture system efficiently captures and recovers carbon dioxide in exhaust gas of the marine engine through the steps of pretreatment, absorption, desorption, compression, liquefaction storage and the like, and the carbon dioxide is liquefied and stored in a carbon dioxide storage tank. The stored carbon dioxide BOG is utilized, and the flow of the BOG introduced into the scavenging box of the engine is accurately adjusted through the pressure control valve, so that the oxygen concentration in the scavenging box is adjusted in real time, the combustion performance of the engine is optimized, the energy utilization efficiency is improved, and greenhouse gas emission is remarkably reduced; and an oxygen concentration sensor in the oxygen concentration control unit works cooperatively with the control unit, so that real-time monitoring and accurate regulation and control of the oxygen concentration are realized. The method not only accords with the development trend of global energy conservation and emission reduction and green shipping, but also helps to promote technical innovation and industrial upgrading of the shipping industry.

The application relates to a vacuum rapid-congealing continuous furnace safety door which comprises a door frame arranged at the bottom of a continuous furnace, a maintenance opening arranged at the bottom of the continuous furnace and located in the door frame, a rectangular frame arranged at the front end of the door frame, a door body hinged to one side of the door frame, a plurality of pressing devices arranged on the rectangular frame and used for pressing the door body on the rectangular frame, and an observation window arranged on the door body. The safety door structure provides a preset rapid channel for the bottom of the furnace body. When extreme working conditions such as molten crucible liquid leakage or cooling system water leakage occur, the bottom safety door can be quickly opened to drain water.

The utility model provides a device for adjusting a methane value in natural gas. The device comprises a natural gas separation unit and an on-line methane value allocation unit, the natural gas separation unit consists of a booster pump, a gasifier, a first pneumatic control assembly, a second pneumatic control assembly, an absorption tower consisting of a cold washing part and a gasification part, a third pneumatic control assembly, a deethanization tower, a reboiler and a fourth pneumatic control assembly; the on-line methane value adjusting unit is composed of a fifth pneumatic control assembly, a recuperator and an on-line component monitoring module; the input end of the booster pump is connected with liquefied natural gas provided by the outside through a valve; the booster pump is used for outputting the pressurized natural gas to the absorption tower in two paths; methane value natural gas produced by the gasification part is fed into the on-line methane value allocation unit, and natural gas produced by the cold washing part enters the deethanization tower; the tower top of the deethanization tower is used for feeding methane value natural gas into the on-line methane value allocation unit; according to the utility model, the methane value of the natural gas for the engine is increased, and the benefit is maximized.

The invention discloses an anti-explosion positive-voltage power distribution cabinet in the field of power distribution cabinets, and aims to solve the problem that in the prior art, a fire behavior in a power distribution cabinet body is not inhibited in time and explosion occurs, and the anti-explosion positive-voltage power distribution cabinet comprises the power distribution cabinet body which is internally provided with a monitoring mechanism, a fire extinguishing mechanism and an adjusting mechanism. The control module is electrically connected with the fire extinguishing mechanism and the adjusting mechanism; the fire extinguishing mechanism is connected with the adjusting mechanism, the position of a fire source is accurately obtained through the monitoring module, and accurate fire extinguishing is achieved according to control over the adjusting mechanism and the fire extinguishing mechanism through the control module. The internal environment of the power distribution cabinet body is monitored through the monitoring module, when a fire point appears, the fire extinguishing mechanism is controlled through the control module to extinguish fire, the position and angle of the fire extinguishing mechanism are adjusted by controlling the adjusting mechanism, accurate fire extinguishing is achieved, meanwhile, a warning signal is sent out through the output module, and the safety of the power distribution cabinet body is improved. And protection and maintenance preparation is provided for workers.

The invention relates to environmental protection equipment, in particular to a heat accumulating type combustion device capable of treating waste gas and waste water, which comprises a combustion chamber, a plurality of preheating chambers for preheating waste gas and a plurality of heat accumulating chambers for recovering temperature, the preheating chambers are communicated with the combustion chamber through preheating gas pipes, the combustion chamber is communicated with the heat accumulating chambers through discharge pipes, and the discharge pipes are communicated with the heat accumulating chambers. The heat storage chamber is connected with the preheating chamber through a first heat exchange pipeline, an exhaust pipe is arranged at an air outlet of the wastewater pretreatment device, and the other end of the exhaust pipe is communicated with an inner cavity of the preheating chamber; a plurality of nozzles are arranged on the inner wall of the combustion chamber, the other end of the water outlet pipe is communicated with the nozzles, and the wastewater pretreatment device is connected with the preheating chamber through a second heat exchange pipeline. According to the heat accumulating type combustion device capable of treating the waste gas and the waste water, the waste gas and the waste water can be efficiently treated at the same time.