42results about How to "Reasonable heating" patented technology

The invention provides a method for separating dimethyl carbonate and methanol through pressure-swing distillation of heat pump, and an apparatus thereof. In the dimethyl carbonate and methanol through pressure-swing distillation of the heat pump, an atmospheric azeotropic steam material obtained from the top of an atmospheric rectification tower is supercharged and heated by a heat pump compressor, and is introduced to a reboiler at the bottom of the atmospheric rectification tower as a heat source, so a liquid in the atmospheric rectification tower is heated, and the self-condensation of the atmospheric azeotropic steam material is completed. Compared with traditional atmospheric azeotropic steam material condensation through using cooling water and kettle liquid heating realized through an extra external heat source, the method in the invention properly improves the temperature and the pressure of an atmospheric azeotropic steam through the heat pump compressor to make the atmospheric azeotropic steam realize the kettle liquid heating and the reasonable and effective energy cycle as a heat source; and the cost generated by the pump heat compressor is far lower than the cost of traditional cooling water and the external heat source, so a good economic benefit is generated.

The invention relates to a garment and a preparation method thereof, in particular to a carbon heating garment taking carbon conductive yarns as a heating element and a preparation method thereof. The outside of the rear piece of the carbon heating garment is provided with a pocket which is positioned near the lumbar vertebrae of a human body; and the pocket is provided with a carbon heating sheet sewn and packed by nano bamboo charcoal knitted fabric, connecting wires and intelligent polymer lithium battery pack; the carbon heating sheet is connected with the anode and the cathode of the lithium battery pack by the connecting wires; and the carbon heating sheet is compounded by pressing and rolling carbon conductive fabric with an environment friendly polyurethane thin film or vinyl acetate thin film. The garment has the advantages of fast heating and temperature rise, no odor, no pollution and good effect, and the garment is an ideal warm garment with heat supply function.

The invention provides a heat treatment process for surface hardening and carbonitriding of hydraulic parts, which includes the following steps: a washing the hydraulic parts preparing for heat treatment to remove greasy dirt; b warming a carburizing multi-purpose furnace, and performing pre-carburizing treatment; c putting the hydraulic parts washed cleanly through the step a in the carburizing multi-purpose furnace, and performing strong carburizing; d adjusting carbon potential after the strong carburizing to perform diffusion; e putting the hydraulic parts after carbonitriding in the stepd in a quenching chamber of the carburizing multi-purpose furnace to be quenched, filtering oil and discharging from the furnace; and f washing the hydraulic parts of the step e, and putting the hydraulic parts in a tempering furnace to be tempered to obtain products.

The invention provides an electric kettle. The electric kettle comprises a kettle body and a base, wherein a first detecting device is mounted on the kettle body; a first control device and a first inductance coil are mounted in the base; magnetic fields produced by the first inductance coil can heat the kettle body to heat water. According to the electric kettle provided by the utility model, an electromagnetic heating mode is adopted, the first detecting device and the first control device are fitted, the strength of the magnetic fields produced by the first inductance coil are changed according to the temperature of the water in the kettle body, so that relatively strong magnetic fields are produced by the first inductance coil when the water is initially heated, the magnetic fields produced by the first inductance coil are controlled to be reduced when the water reaches a rated temperature, the water heating of the electric kettle is relatively reasonable, and the market competitiveness of products is increased. Besides, the kettle body and the base are connected in a non-mechanical manner, so that the electrical appliance hidden dangers of oxidization, corrosion, short-circuit, and the like due to a fact that the kettle body of a conventional electric kettle and the base are fixedly connected through a mechanical mode of the socket and the plug are solved, and the using reliability of the products is improved.

The invention discloses a clinical enteral nutrition temperature control device and a method thereof, include a receiving bag, infusion pipes and plugs. Between the output of the accommodating bag andthe infusion tube is connected a buffer bag with a double-layer design, the inner layer of the buffer bag is provided with an electromagnetic heating coil. As that out layer of the infusion pipe andthe out layer of the buffer bag are heat insulation layers. A detection tube is arranged at one end of that infusion tube close to the plug, the output of the cushion bag is connected with a one-way valve. A detection tube is connected with that plug through a one-way valve. A cooling pipe is provided on the infusion pipe at the front end of the detection pipe. A one-way valve is arranged on the pipeline of the detection pipe and the containing bag. A temperature control cabin with an internal controller and a water storage cabin is arranged on one side of that buffer bag. The output of the water storage tank is connected with the input of the cooling pipe through a third one-way valve, the input of the water storage tank is connected with the output of the cooling pipe through a pump. A flushing port is arranged on the upper part of the accommodating bag. And a temperature sensor is arranged in the infusion pipe and the detection pipe at the front end of the detection pipe in the buffer bag. The air condition improves that heat effect.

The invention relates to a blow-in method for long-term shutdown maintenance of a metallic silicon ore heating furnace. In a production process of metallic silicon, before an ore heating smelting electric furnace is maintained, the ore heating smelting electric furnace is required to be shut down firstly, and the ore heating smelting electric furnace is required to be blown in after being maintained. The operation method which can directly blow in without prepurging in each shutdown solves the problem that consumption of manpower, material and financial resource during prepurging and blow-in of every shutdown maintenance process is high; and furnace condition adjusting time is reduced, and fluctuation of product quality when blow-in is carried out again for production, thus the aims of low-cost blow-in, smooth transition and high and stable yield are realized.

The invention discloses a special film blowing device for multi-layer co-extrusion of environment-friendly rich mineral paper, and belongs to the technical field of novel material equipment manufacturing. The special film blowing device is formed by connecting a main extruder, an inner-layer auxiliary extruder, an outer-layer auxiliary extruder, a rotary die head and a control system, wherein the rotary die head is formed by connecting an outer die nozzle, an inner die nozzle, an outer die body, an outer core, a middle core, an inner core, a spreader plate and a sprue spreader; the outer core, the middle core and the inner core are sequentially and rotationally connected into the outer die body from outside to inside to form an outer-layer runner, a middle-layer runner and an inner-layer runner; the discharging end of the outer die body is connected with the outer die nozzle and the inner die nozzle to form a discharging runner; and the feeding end of the outer die body is connected with the spreader plate and the sprue spreader to convey feeding materials. The device is specially used for co-extrusion film blowing production of multi-layer environment-friendly rich mineral paper; one main extruder and two auxiliary extruders are matched with the three-layer rotary die head for co-extrusion and then film blowing forming, and the rich mineral paper with different functions is compositely produced in cooperation with the design of the three layers of runners; and moreover, the production efficiency is high, and the application range is wide.

The invention relates to an energy-saving ecological distillation oil baking device, which comprises steamers, a cooler and a boiler, wherein the top of each steamer is provided with a distillation pipe connected with an inner core of the cooler, the cooler consists of an outer barrel and the inner core, the inner core is composed of an upper cavity disk, a lower cavity disk, an outer pipe and an inner pipe, the outer pipe is communicated with the upper cavity disk and the lower cavity disk, the inner pipe penetrates through the outer pipe, is isolated from the upper cavity disk and the lower cavity disk and is communicated with the outer barrel, the bottom of the lower cavity disk is provided with an oil-water pipe which extends out of the cooler, and the wall of the outer barrel is provided with a cold water inlet pipe and a hot water outlet pipe; and the boiler is shaped like a barrel, the barrel wall is provided with a wall cavity, the inside of the barrel is provided with a horizontal pipe which is communicated with the wall cavity, the lower end of the boiler is fixed on the hearth of the boiler, the upper end is provided with a chimney, the upper part of the wall cavity is provided with a steam pipe and a water adding pipe which are communicated with the bottoms of the steamers, a plurality of the steamers are arranged, a water seal tank is arranged at the connection position of each two adjacent steamers, and the boiler is provided with a water level display tube. The hearth and the boiler body are separated, the boiler is light in weight, materials can be saved, the assembly and disassembly of the boiler are convenient, the distillation waste residue is used as fuel, the waste residue generated from one steamer is enough to distil two steamers of fuel, the device is energy-saving and ecological, the steamers are sealed without steam leakage, the thermal efficiency and the oil yield of the material are high and the economic benefit is obviously increased.

The invention discloses an efficient precise heat supply and heat control instrument, and relates to the technical field of energy conservation and emission reduction. The efficient precise heat supply and heat control instrument comprises a water inlet pipe segment, a water return pipe segment, a control center and a remote transmission circuit, wherein the control center comprises the remote transmission circuit, a microprocessor, a built-in screen, a communicating module and a built-in battery which are mounted inside the water inlet pipe segment; the remote transmission circuit is electrically connected with the microprocessor and connected with an external heat supply office server in a wireless communication manner through the communication module; and the built-in screen and the built-in battery are electrically connected with the microprocessor. The efficient precise heat supply and heat control instrument has the beneficial effects that the external heat supply office server,instruments, an ultrasonic flow velocity sensor, a temperature sensor and multi-level electronically-controlled valves are integrated through the modern control technology; the water inlet-outlet flowvelocity and the water inlet-outlet temperature are precisely acquired through the built-in microprocessor; the heat released in a heat supply medium for a householder with the need of heat supply per unit time is calculated by following a heat energy formula; the indoor temperature of the householder is calculated through the heat supply office server of the heat supply department; and the purpose of controlling the indoor temperature is fulfilled through the remote automatic control or the onsite manual control of the valves in the instruments.

The invention discloses a graphene composite material helicopter rotor anti-icing and deicing device and a manufacturing method; the graphene composite material helicopter rotor anti-icing and deicingdevice comprises a skin, an insulation heat transfer layer, a heating layer and an insulation heat insulation layer, and the skin, the insulation heat transfer layer, the heating layer and the insulation heat insulation layer are sequentially arranged from outside to inside along the chordwise direction; the skin, the insulation heat transfer layer, the heating layer and the insulation heat insulation layer are attached to form an outer edge body, the outer edge body is integrally heated and cured into a rotor front edge shape, and the outer edge body is installed on the rotor base body. Theheating layer comprises a plurality of bent linear heating components, and the bent linear heating components can cover the front edge of the heating rotor. By adopting the heating components and theheat transfer and insulation parts which are specially arranged, the heating efficiency of the rotor is improved, and the deicing efficiency of the rotor is favorably improved.

The invention provides a diversified heating method for a vacuum diffusion brazing furnace and belongs to the technical field of brazing. The diversified heating method for the vacuum diffusion brazing furnace adopts ternary heating modes: resistance heating, induction heating and furnace body temperature control. In the induction heating mode, an induction coil is adopted to heat. In the furnace body temperature control mode, a heating element in the furnace body is used to heat, so that beneficial effects are obtained. By performing heating treatment by adopting the brazing furnace, the heat conductivity is high, heat is quickly diffused, the heating speed can be remarkably improved, and the heat conductive efficiency is improved. Meanwhile, after annealing / diffusing, the performance index of a heated workpiece is higher.

The invention discloses an automation-technology-based generating set dehumidification device, which comprises a heater, a controller, an environmental temperature monitor, a generator temperature monitor, a delay timer, a temperature comparator and a logic controller, wherein the environmental temperature monitor is arranged outside a generating set, and is used for measuring the environmental temperature of a generator mounting position in real time; the generator temperature monitor is arranged in the generating set, and is used for measuring the temperature of a generator winding in real time; the temperature comparator is connected and matched with the environmental temperature monitor; the logic controller is connected and matched with the environmental temperature monitor and the generator temperature monitor respectively; and the controller is in signal connection with the delay timer, the temperature comparator and the logic controller, and is used for starting and stopping the heater according to a judgment result. According to the device, an automation technology is utilized, the environmental temperature and the temperature of the generator winding are monitored in real time, and the controller makes a judgment, and controls the heater to perform dehumidification and heating, so that a heating process is reasonable, the aim of dehumidification is fulfilled, electric energy is saved, and cost is lowered.

The invention provides a hot water supply tank structure and a heating control device and method of a hot water supply tank, and further provides a water supply heating device, a water supply heatingdevice master control system and a heating control method of the water supply heating device master control system. The hot water supply tank structure comprises a tank body, a top cover is arranged on the tank body, a plurality of heating body installing holes are sequentially formed in the top cover, a plurality of independent cavities are sequentially formed inside the tank body relative to theheating body installing holes, water through holes are sequentially and vertically formed between the multiple cavities at intervals, one side of the tank body is provided with a water inlet communicated with the first cavity, and the other side of the tank is provided with a water outlet communicated with the last cavity.

The invention discloses an automation-technology-based generating set dehumidification device, which comprises a heater, a controller, an environmental temperature monitor, a generator temperature monitor, a delay timer, a temperature comparator and a logic controller, wherein the environmental temperature monitor is arranged outside a generating set, and is used for measuring the environmental temperature of a generator mounting position in real time; the generator temperature monitor is arranged in the generating set, and is used for measuring the temperature of a generator winding in real time; the temperature comparator is connected and matched with the environmental temperature monitor; the logic controller is connected and matched with the environmental temperature monitor and the generator temperature monitor respectively; and the controller is in signal connection with the delay timer, the temperature comparator and the logic controller, and is used for starting and stopping the heater according to a judgment result. According to the device, an automation technology is utilized, the environmental temperature and the temperature of the generator winding are monitored in real time, and the controller makes a judgment, and controls the heater to perform dehumidification and heating, so that a heating process is reasonable, the aim of dehumidification is fulfilled, electric energy is saved, and cost is lowered.

The invention discloses a horizontal gas-solid reactor which mainly comprises a horizontal reactor barrel and a stirring device. The stirring device is arranged inside the horizontal reactor barrel, a heating sleeve and a heat-insulation layer are arranged at the bottom and the top of the horizontal reactor barrel, the stirring device comprises a stirring motor, a stirring shaft, barriers and lifting plates, the stirring motor is arranged on the outer side of the reactor barrel, the stirring shaft which penetrates the reactor barrel can be driven by the stirring motor to rotate, the barriers are uniformly arranged on the stirring shaft at intervals, each lifting plate is fixedly connected with the front end of the corresponding barrier, the directions of the lifting plates on the adjacent barriers are opposite to one another, 180-degree angles are formed in the directions of the lifting plates on the adjacent barriers, and each barrier is connected with the corresponding lifting plate on the barrier in a cross manner at 90-degree angles. The horizontal gas-solid reactor has the advantages that the horizontal gas-solid reactor is insensitive to the particle size distribution of solid particles, is free of requirements on the flow rates of raw gas, is good in controllability in reaction procedures and is high in operational stability and safety and low in energy consumption, excellent reaction effects can be realized, and the reaction efficiency can be improved.

The invention relates to a sludge magnetization dehydration treatment device, which belongs to the technical field of environmental geotechnical engineering. The magnetization dehydration treatment device is composed of a bracket, a magnetic force device, a telescopic heating charging device, a pipeline, a hopper, a chemical sprayer, a sensor, an outer circulation constant temperature water bath, a capillary water absorption time tester, and a sludge collector. The charging device and the variable distance magnetic device can realize the test of sludge dehydration performance with different magnetic field strength gradients; the external circulation constant temperature water bath can ensure that the sludge is heated evenly and the temperature control accuracy is high; the sensor, the chemical sprayer and the control system The connection can monitor data in real time and automatically regulate drug administration, which can improve work efficiency. The invention has reasonable design, simple structure and convenient manufacture, can determine the optimal combination parameters of sludge dehydration under the condition of multi-factor cooperative control, and has no secondary pollution in the sludge dehydration conditioning process, is easy to operate, consumes less energy, and has low cost.

The invention proposes a weed and leaf composting device, which comprises a base, a fermentation tank, and a heater, the fermentation tank is arranged upon the base, the heater is arranged inside thefermentation tank, the base comprises a collecting chamber and a supporting frame, the collecting chamber is connected to the fermentation tank through a pipeline, the fermentation tank is of a cylindrical structure, a feed inlet is arranged on the left side of the top of the fermentation tank, a discharge outlet is arranged on the right side of the bottom of the fermentation tank, an observationchamber is arranged on the sidewall of the fermentation tank, the observation chamber comprises a first isolating layer and a second isolating layer, one end of the heater is fixed at the center of the top of the fermentation tank by a bolt, and is connected to a fan arranged on the top of the fermentation tank through a flexible tube, the other end extends to the bottom of the fermentation tank,and the heater is also provided with air holes. The weed and leaf composting device disclosed by the invention has the characteristics of convenience in use and excellent thermal insulation property.

The invention provides a battery control method and device, electronic equipment and a storage medium. The battery control method comprises the following steps: acquiring predicted travel time, predicted driving time, predicted driving mileage and environment temperature of a vehicle; according to the predicted driving time, the predicted driving mileage and the environment temperature, the predicted driving correction mileage of the vehicle in the current environment is determined; according to the predicted driving correction mileage, the target temperature of the heating power battery is determined, and the target temperature is associated with the predicted driving correction mileage; and heating the power battery according to the target temperature and the predicted travel time. The power battery is heated through the method, the vehicle using requirement of a user for traveling is met, meanwhile, electric energy consumption of the power battery is reduced, and heating of the power battery is more reasonable.

The invention provides a conveying structure for plastic packaging paper printing, and relates to the technical field of conveying structures.The conveying structure comprises a connecting base, a screw is mounted at one end of a screw mounting frame, one end of an abutting block is fixedly connected with a warming plate mounting frame, and a warming plate is fixedly mounted on the upper surface of the warming plate mounting frame; the heating plate is located below the paper body, the upper surface, close to the driving roller, of the paper body is provided with an edge warping prevention assembly, the edge warping prevention assembly comprises a connecting wheel and a pin rod, the lower surface of the connecting wheel is in rolling connection with the upper surface of the edge of the paper body, and the lower end of the pin rod abuts against the bottom wall of the abutting hole. Through the arrangement of the warming plate, the paper body is moderately heated in an auxiliary mode so that the paper body can be soft, the edge of the paper body is pressed in a rolling mode through the connecting wheel on the edge warping prevention assembly so that the paper body can be smooth as much as possible, warping edges are prevented from being pressed into creases by the driving roller, the next printing work is better guaranteed, and the paper clamping situation of the printing machine is reduced.

The invention relates to an outdoor multipurpose energy-saving furnace, which includes a furnace body and a barbecue box. The furnace body includes a bottom plate, an inner bottom plate, a left wall plate, a left inner wall plate, a rear wall plate, a rear Wall panels, right inner wall panels, right upper side wall panels, upper cover panels, support rods are arranged between the left inner wall panels and right inner wall panels, the first group of air intake holes are arranged on the front wall panels, and the bottom plate and the inner bottom panel are composed of The space is the bottom water tank, the front water tank partition and the front water tank partition are arranged between the front wall board and the front inner wall board, the front wall board, the front inner wall board, the front water tank partition board and the front water tank side partition board The room is the front water tank, the right side of the front water tank is provided with a water and steam outlet pipe, the lower side of the front water tank is provided with a front heating chamber, and the right side of the furnace body is respectively provided with a first heat flow channel, a second heat flow channel, The third heat flow channel: the present invention has the advantages of reasonable structure, various functions, convenient portability and good use effect.

The invention relates to a flue water reverse circulation recovery heat energy furnace which comprises a heating furnace, a heating box and a chimney. A roundabout water pipe is arranged in a roundabout winding manner; a flue path is a continuous folding line; a water inlet of the roundabout pipe is lower than a water outlet; the heating furnace comprises a furnace wall, a hearth and a heating furnace flue; a heat inlet channel is communicated with the heating furnace flue; the hearth is sleeved with a hearth spiral pipe; and the heating furnace flue is internally provided with a heat insulation box and a combustion supporting sleeve. According to the furnace, the roundabout water pipe is heated sufficiently; heat is made full use of; the dust is reduced; an environment is protected; the heating is reasonable; hot water is used when heated; and combustibles are sufficiently burnt.

The invention discloses a urea tank heating system which comprises an engine, a urea tank, a fuel tank and an SCR tank. The urea tank heating system is characterized by further comprising a solenoid valve, a fuel return opening of the engine is communicated with a fuel inlet of the solenoid valve, a first fuel outlet of the solenoid valve is communicated with a fuel inlet of the urea tank, a second fuel outlet of the solenoid valve is communicated with a fuel return opening of the fuel tank, and a fuel outlet of the urea tank is communicated with the fuel return opening of the fuel tank. According to the urea tank heating system, the urea tank is heated through engine return oil instead of engine cooling fluid, crystallized and solidified automotive urea is molten rapidly, and the discharge value can meet the requirement of the discharge standard rapidly. Meanwhile, as the engine return oil is used for heating, the heating effect of a fan heater can be improved. In addition, the pipeline of the urea tank heating system is redesigned, so that the pipeline structure is simplified, assembly efficiency is improved, and the heating effect of the urea tank is enhanced.

The invention provides a heat treatment process for surface hardening and carbonitriding of hydraulic parts, which includes the following steps: a washing the hydraulic parts preparing for heat treatment to remove greasy dirt; b warming a carburizing multi-purpose furnace, and performing pre-carburizing treatment; c putting the hydraulic parts washed cleanly through the step a in the carburizing multi-purpose furnace, and performing strong carburizing; d adjusting carbon potential after the strong carburizing to perform diffusion; e putting the hydraulic parts after carbonitriding in the stepd in a quenching chamber of the carburizing multi-purpose furnace to be quenched, filtering oil and discharging from the furnace; and f washing the hydraulic parts of the step e, and putting the hydraulic parts in a tempering furnace to be tempered to obtain products.

The invention relates to the field of industrial catalyst application, in particular to a method and system for preventing carbonate poisoning by heating a catalyst in different blocks. The method and system mainly used for preventing catalyst carbonate poisoning. The method comprises the following steps: (1) dividing the whole sectional area of a catalyst box body into a plurality of blocks or dozens or hundreds of blocks; (2) adopting a heating device to independently and circularly heat the blocks one by one; and (3) heating the waste gas subjected to catalytic reaction to a temperature suitable for instant desorption of carbonate. According to the system, the heating device is arranged on a horizontal rail. The heating device comprises a power cam driven by a motor and a frame body, an arch-shaped suspension arm is arranged on the side face of the power cam shaft, and the arch-shaped suspension arm is connected with a heating barrel with the upper end and the lower end not closed. The catalyst is heated by blocks, time periods and areas, only one or more heaters are used, the power consumption is low, and economy and reasonability are achieved.

The invention specifically discloses an agricultural magnetic water-fertilizer irrigation apparatus, belonging to the field of agricultural plant protection. The agricultural magnetic water-fertilizer irrigation apparatus comprises a liquid feeding pump, an outer cooling water box, a circulating water box, a circulating pump, a heating zone, a magnetizing zone, a mixing box and an inner cooling water box, wherein the liquid feeding pump pumps irrigation water from water source to outer cooling water box; the irrigation water flows out from the outer cooling water box and successively passes through the circulating water box, the circulating pump, the heating zone, the magnetizing zone, the mixing box and the inner cooling water box; the irrigation water is mixed with chemical fertilizer in the mixing box so as to form water-fertilizer liquid; the inner cooling water box is located in the outer cooling water box; irrigation water in the outer cooling water box cools the water-fertilizer liquid; then the cooled water-fertilizer liquid flows into farmland via a water outlet; and the top of the mixing box is provided with a grinder used for grinding the chemical fertilizer. According to the invention, through grinding of the chemical fertilizer, a contact area of the chemical fertilizer and the irrigation water is increased, so the dissolving speed of the chemical fertilizer in water is increased; and thus, irrigation efficiency is improved.

The invention relates to a horizontal gas-solid reactor. The horizontal gas-solid reactor mainly comprises a horizontal reactor cylinder and a stirring device arranged in the horizontal reactor cylinder, wherein a heating sleeve and a thermal insulation layer are respectively arranged at the bottom and top of the horizontal reactor cylinder; and the stirring device comprises a stirring motor, a stirring shaft, baffles and shoveling plates, the stirring motor is used for driving the stirring shaft, penetrating into the reactor cylinder, from the outer side part of the reaction cylinder to rotate, the baffles are uniformly mounted on the stirring shaft at intervals, each shoveling plate is fixedly connected to the front end part of each baffle, the shoveling plates on the adjacent baffles are in opposite directions and form an angle of 180 DEG, and each baffle and the shoveling plate on the baffle are in 90-degree cross connection. The horizontal gas-solid reactor is insensitive to particle size distribution of solid particles and has no requirement on the flow speed of raw material gas, the controllability in a reaction process is good, the operational stability and safety are high, the energy consumption is low, the reaction effect is relatively good, and the reaction efficiency is improved.

The invention provides a slagging material for a baking oven of an arc furnace. The slagging material is prepared from, by weight, 300-400 parts of scarfing cinder, 100-220 parts of silica, 400-600 parts of dolomite and 50-150 parts of coke. The slagging material for the baking oven of the arc furnace has the advantages that the melting temperature of the slagging material is 1100-1400 DEG C, whenslag drying is carried out by adopting the slagging material, the warming interval of a brasque is 1100-1400 DEG C, the temperature difference between slag drying and electric braking can be reasonably filled, and the service life of the brasque is effectively prolonged.