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25results about How to "Full delivery" patented technology

Self-supporting plate-fin energy-saving heat exchanger

The application relates to the technical field of heat exchangers, and discloses a self-supporting plate-fin energy-saving heat exchanger which comprises an outer frame, a heat exchange cavity is formed in the inner part of the outer frame, and a plurality of pairs of positioning frames are vertically arranged in the heat exchange cavity. The wave-shaped positioning frames generate longitudinal vortexes when fluid flows through the wave crests and wave troughs, the fluid boundary layer on the surface of the heat exchange pipes is destroyed, and the thermal resistance is reduced; adjacent V-shaped heat dissipation fins make the fluid accelerate and collide at the included angle, secondary turbulent flow is formed, the contact area is enlarged from the micro level, and the heat diffusion is accelerated; the double effects of macro vortex flow and micro turbulent flow greatly improve the heat exchange efficiency compared with the conventional structure, the heat transfer can be realized more quickly and more fully under the same working condition; meanwhile, the heat dissipation fins have the angle-adjusting function, the angle of the fins is adjusted, the dynamic switching of energy saving and high efficiency is realized, and the equipment can flexibly adapt to complex working conditions with different flow rates and temperature differences.
Owner:陈羽

A solid waste material briquetting apparatus for pre-testing

PendingCN122645658AImprove density uniformityReduce transmission attenuation amplitudeCompression moldingWaste material
The application discloses a kind of solid waste material compression molding equipment before test, it is related to solid waste compression technology field, including main body, the front of main body is sequentially provided with upper die punch, female die and lower die punch from top to bottom, the upper die punch and lower die punch can be slidably matched in the cavity of female die, feeding unit is arranged between the main body and the upper die punch, and the discharge end of the feeding unit is arranged in the upper die punch.The application makes the female die in the compression process in floating state, when the upper die punch is pressed down, the friction between the powder and the inner wall of female die can drive the female die to descend synchronously, the floating effect makes the lower die punch relatively enter the female die cavity deeper position and generate reverse pressure, significantly improve the density uniformity of briquetting in vertical direction.
Owner:MAANSHAN JUDING NEW MATERIAL TECH CO LTD

Method for cultivating high-starch potatoes by grafting

The invention discloses a method for cultivating high-starch potatoes through grafting, and relates to the technical field of potato cultivation. The method comprises the following specific steps: (1) cultivating a high-starch potato stock and a common potato scion; (2) grafting the rootstock and the scion; (3) grafted plant treatment; (4) domestication treatment: carrying out stress treatment on the grafted seedlings for 10-15 days, then transferring the grafted seedlings outdoors for culture, and harvesting tubers; and (5) screening of high-starch germplasm: selecting tubers with high starch content for planting, repeatedly domesticating for 2-3 generations, and harvesting tubers to obtain the high-starch potato germplasm. According to the method, the high-starch potato seedlings and the common potato seedlings are grafted, aeroponic culture management is performed after grafting, domestication treatment is performed, the starch content of the grafted potatoes can be increased, and after multi-generation domestication, the high-starch potato germplasm is obtained through breeding. According to the method, the variety breeding process is shortened, and the problem that the high-starch potato germplasm is not created by adopting a grafting method at present is solved.
Owner:GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI

Skid-mounted electric conduction oil boiler

PendingCN122062378AReduce the flow cross-sectional areaShorten the average heat transfer distanceStorage heatersControl of fluid heatersHeat resistanceHeating furnace
The invention relates to the technical field of industrial heating furnaces, and discloses a skid-mounted electric conduction oil boiler which comprises a bottom frame, a first shell is fixedly connected to the top of the bottom frame, a support is fixedly connected to the inner wall of the first shell, and a heating assembly is fixedly connected to the inner wall of the support. The circulation sectional area of an oil way is reduced, heat conduction oil flows through the annular channel closer to the heating pipe in a concentrated mode, and therefore the average heat transfer distance from the surface of the heating pipe to most oil liquid is shortened, and the problems that in traditional large-space heating, due to the fact that the distance between the oil liquid and a heat source is too long, heat resistance is increased, and heating efficiency is low are effectively solved. And meanwhile, the two internal threaded rings are utilized to guide oil liquid to spirally advance, so that a laminar flow boundary layer which is not beneficial to heat transfer is destroyed, an effective path of the oil liquid in a high-temperature heating area is prolonged, the retention time of the oil liquid in the high-temperature heating area is prolonged, and the overall heat efficiency of the heating device is improved.
Owner:QINGDAO JUNPENG PETROCHEMICAL EQUIP MFG CO LTD

A waste heat recovery and utilization device for combined heat and power

The utility model discloses a kind of waste heat recovery and utilization equipment for cogeneration, and its technical scheme main points are including first pipe group;Second pipe group;Heat exchange pipe group, the heat exchange pipe group includes heat exchange gas pipe and heat exchange liquid pipe, heat exchange liquid pipe is sleeved in heat exchange gas pipe outside, the both ends of heat exchange liquid pipe are respectively fixedly connected on first liquid pipe and second liquid pipe, the both ends of heat exchange gas pipe are respectively fixedly connected on first air pipe and second air pipe;Shaft, shaft is arranged in heat exchange gas pipe and with heat exchange gas pipe coaxial, the both ends of shaft are respectively rotationally connected on first end plate and second end plate;And disturbance component;Through the setting of disturbance component, high-temperature flue gas in heat exchange gas pipe can be pushed to flow between heat exchange gas pipe axis and side wall, so that the smoke of everywhere can be fully transferred to liquid heat.
Owner:SHANDONG PUBLIC THERMAL POWER GRP CO LTD

Efficient energy-saving type steam device

The utility model relates to the technical field of steam devices, and discloses an efficient energy-saving steam device which comprises a heat preservation shell, a steam outlet pipe arranged at the top of the heat preservation shell, a heating assembly installed in the heat preservation shell and a control module connected with the heating assembly. The heating assembly comprises a heating device, a heat conduction copper sleeve wrapping the heating device, and a spiral copper sheet surrounding the heat conduction copper sleeve. And the heat conduction copper sleeve and the spiral copper sheet can obviously improve the heat exchange efficiency, so that the heat transfer is more sufficient, and the heat energy utilization rate is greatly improved. The design of the heating assembly effectively reduces the thermal resistance of the surface of the heating element, and further improves the heat transfer efficiency, thereby reducing the energy consumption. By optimizing the heating mode and the heat exchange structure, the energy consumption can be obviously reduced while the required temperature is reached, the operation cost is reduced, and the burden on the environment is relieved.
Owner:ZHUCHENG HEZHENG MACHINERY TECHNOLOGY CO LTD

Horizontal hot-air type organic heat carrier boiler

ActiveCN224479651Uextended flow pathExtend heat exchange timeThermodynamicsCombustor
The utility model relates to a boiler technical field, concretely is a horizontal hot -blast type organic heat carrier boiler, including the shell, one end of shell is installed with the burner, the inside of the shell is provided with the pipe body, the combustion head of burner is located in the inside of one end of pipe body, the both ends outside of shell are installed with the water inlet and outlet pipe seat respectively, the both ends of pipe body are connected with water inlet and outlet pipe seat, the pipe body includes three layers heat exchange coil pipe of inner layer, middle layer, outer layer, the inside of inner layer is first return, it is second return between middle layer and inner layer, it is third return between middle layer and outer layer, the flue gas passes through first return and turns back to pass through second return, again turns back to pass through third return, finally discharges. In the horizontal hot -blast type organic heat carrier boiler, adopt three layers heat exchange coil pipe's three return structure design, the inside of inner layer is first return, it is second return between middle layer and inner layer, it is third return between middle layer and outer layer, the flue gas discharges after passing through three return in proper order.
Owner:HENAN ZHIXIN BOILER TECH INNOVATION CO LTD

A structure of an instant water heater including a heat exchange start-up device

ActiveCN224316399Ureduce lossefficient supplyWater heatersHeater RodHeat losses
This utility model belongs to the technical field of instant water heater structure, specifically an instant water heater structure with a heat exchange start-up device. It includes a rear shell, with a mounting bracket fixedly connected to the inner wall of the rear shell. A heat insulation cover is fixedly connected to the mounting bracket by bolts. A sleeve is installed inside the heat insulation cover, with a heating base fixedly connected to the top of the sleeve and a heating rod fixedly connected to the bottom of the heating base. A groove is formed inside the outer wall of the sleeve, with a connecting hole inside the groove. A bimetallic strip is fixedly connected to the top of the inner wall of the groove, and a slider is fixedly connected to the bottom of the bimetallic strip. A flow guide port is formed inside the slider. A preheating plate is installed inside the rear shell, with a preheating pipe inside the preheating plate. A support block is fixedly connected to the outer wall of the preheating plate. A heat-conducting pipe is fixedly connected to the outer wall of the sleeve, and a water inlet pipe is installed inside the preheating plate. This utility model, through the action of the bimetallic strip, heat-conducting pipe, and preheating pipe, improves heat exchange efficiency, reduces energy consumption, and minimizes heat loss, making hot water supply more efficient.
Owner:WEIHAI HENGDIAN TECHNOLOGY DEVELOPMENT CO LTD

Electrolysis device and scrubber

An electrolytic device and a scrubber, the electrolytic device is flat, comprising a shell and an electrolytic module; the shell is hollow inside to form a cavity, the shell is provided with a water inlet and a water outlet communicating with the cavity, the water inlet communicates with a water tank, the water outlet communicates with the surface of a cleaning roller through a pipeline, the water inlet and the water outlet are each a pipeline interface communicating with the shell; the pipeline interface of the water inlet and the pipeline interface of the water outlet are not on the same plane and are perpendicular to each other; the electrolytic module is arranged in the cavity; the pipeline interface of the water inlet communicates with the water tank through the shortest connection pipeline path, the pipeline interface of the water outlet is arranged on the peripheral wall of the shell, the pipeline interface of the water outlet extends from the peripheral wall of the electrolytic device shell to the cleaning roller along the shell side of the cleaning head parallel to the end face of the end of the water tank, and communicates with the surface of the cleaning roller through the shortest connection pipeline path, and the electrolytic device and the matched connection pipeline occupy a small volume. The scrubber comprises a water tank, a cleaning head and the electrolytic device arranged at the end of the water tank.
Owner:WUHAN DIISEA INTELLIGENCE TECH CO LTD

A MEMS hydrophone and method

PendingCN122259020AReduce net pressure differencereduce prestressTelevision system detailsVibration measurement in fluidHydrophoneEngineering
The application provides a MEMS hydrophone and method, and relates to the technical field of MEMS hydrophones.The MEMS hydrophone comprises a base, a sound-permeable shell and an acoustic sensing assembly.The sound-permeable shell and the base form a first cavity filled with hydraulic oil;the acoustic sensing assembly is located in the first cavity and comprises a shielding cover, a printed circuit board, a flexible membrane, a transition carrier plate and a MEMS chip.The shielding cover, the printed circuit board and the flexible membrane surround to form a second cavity, and the shielding cover is provided with a communication hole communicating the first cavity and the second cavity.The MEMS chip, the transition carrier plate and the flexible membrane surround to form a third cavity filled with gas.The application realizes front hydraulic pressure transmission through the hydraulic oil in the first cavity, realizes back gas pressure compensation through compression of the third cavity by the flexible membrane, forms a cooperative pressure balance mechanism, significantly reduces the net pressure difference and the prestress borne by the MEMS chip, effectively inhibits the problems of sensitivity attenuation, linearity deterioration and frequency response drift under a deep-water high hydrostatic pressure environment, and simultaneously improves the structural safety and long-term reliability.
Owner:OCEAN UNIV OF CHINA

Flue gas heat energy recovery device with purification function

The utility model discloses a flue gas heat energy recovery device with a purification function, which relates to the technical field of flue gas waste heat purification and recovery and comprises a waste heat recovery frame, a purification cylinder for extracting flue gas is assembled at the top of the waste heat recovery frame, and the waste heat recovery frame comprises a frame body fixedly connected to the bottom of the purification cylinder. A bottom plate with the middle protruding is fixed in the frame body, and L-shaped plates fixed to the front inner wall and the rear inner wall of the waste heat recovery frame are arranged on the two sets of inclined tops of the bottom plate. The flow speed of the water body is reduced through the heat exchange assembly, heat in smoke is fully transferred into the water body in cooperation with the smoke flowing in the S-shaped track in the unit space, the indirect contact area of the smoke and the water body is increased through the arrangement of the flow dividing pipe, and under the limitation of the blocking piece, the heat in the smoke is fully transferred into the water body. And the time for storing the flue gas in each group of unit space is prolonged, so that the recovery efficiency of the waste heat in the flue gas can be improved.
Owner:GREE NEW ENERGY MANAGEMENT (LIAONING) CO LTD

Energy-saving natural gas internal combustion generator set

The application discloses an energy-saving natural gas internal combustion generator set, which is characterized by comprising a box shell, a generator set whole, an exhaust device, a filtering device and a preheating device; any side surface of the box shell in the width direction is provided with an air inlet, and the length direction side surface is provided with an air outlet; the exhaust device comprises an exhaust pipeline which extends upwards to the top of the box shell; the preheating device is arranged on the side surface of the box shell of the air inlet and is communicated with the air inlet; the preheating device comprises a plurality of heat exchange pipelines, and the gaps between the heat exchange pipelines are used for gas flow, so that the gas outside the box shell enters the box shell through the gaps; the preheating device further comprises an air inlet part and an air outlet part which are communicated with the two ends of the heat exchange pipelines; the air inlet part extends into the box shell and is communicated with the exhaust pipeline, and the air outlet part is communicated with the exhaust pipeline outside the box shell, so that the hot gas in the exhaust pipeline is introduced into the air channel and then is discharged into the exhaust pipeline through the air outlet part, thereby heating the cold gas flowing through the gaps and improving the temperature of the gas entering the box shell.
Owner:SICHUAN TUOFENG ENERGY TECHNOLOGY CO LTD

Slit device with dust removal function

The application discloses a slitting device with dust removal function, which comprises a machine body, a water spraying module, a slitting module and a dust removal module. The machine body is divided into upper and lower shells, and four guide wheels are arranged under the shells. The water spraying module is arranged at the front end of the machine body, a water tank is connected with a water guide pipe through a water pump, the slitting module is connected with a spring suspension at the middle part of the machine body, an oil return system is fixed on the outer wall of the suspension through a platform, an oil pump is connected with an oil tank and a reversing valve, the reversing valve is arranged at the bottom of the platform, the reversing valve is connected with an oil return cylinder and fixed on the side of the platform, the oil return cylinder is connected with the spring suspension, the two oil return cylinders of the oil return system are connected with each other, the oil return cylinder is connected with a clutch, the clutch is connected with an input and output shaft, centrifugal blocks are arranged on the output shaft, the input and output shafts are connected through bevel gears, and a belt drive is arranged between the engine and the bevel gears. The dust removal module is arranged at the end of the machine body, the engine is connected with dust removal blades of the dust removal module through a belt drive, the dust removal blades are fixed in a dust removal tank, and a filter screen is arranged on the dust removal port.
Owner:QINGDAO CIVIL ENG GRP CO LTD

Low-grade heat source heat extraction device

The utility model relates to a low-grade heat source heat extraction device which comprises an outer heat preservation cylinder, an inner heat preservation cylinder is coaxially arranged in the outer heat preservation cylinder, a heat conduction cylinder is coaxially arranged in the inner heat preservation cylinder, and a heat conduction pipe is coaxially arranged in the heat conduction cylinder. A gap is reserved between the inner heat preservation barrel and the heat conduction barrel to form a first cold water flow channel, a gap is reserved between the heat conduction barrel and the heat conduction pipe to form a waste residue flow channel, a second cold water flow channel is formed in the heat conduction pipe, and a plurality of first heat conduction rings and second heat conduction rings are arranged in the waste residue flow channel and distributed in an up-down spaced and staggered mode. The outer ring surface of the first heat-conducting ring is fixedly sleeved with the inner side wall of the heat-conducting cylinder, the inner ring surface of the first heat-conducting ring is inverted conical, and a gap is reserved between the bottom end of the first heat-conducting ring and the heat-conducting pipe; the inner ring surface of the second heat-conducting ring is fixedly sleeved with the outer side wall of the heat-conducting pipe, and the outer ring surface of the second heat-conducting ring is right conical, and a gap is reserved between the bottom end of the second heat-conducting ring and the heat-conducting cylinder. According to the utility model, waste residues can be crushed firstly and then subjected to multiple diversion heat exchange, so that the heat transfer is more sufficient, and the extraction quality is higher.
Owner:HENAN JINGBAO COKING CO LTD

Self-lubricating anti-abrasion type roll shaft and shaft sleeve combined structure

ActiveCN224120559UUniform temperatureSmall thermal deformationBearing coolingAir cycleThermal deformation
The utility model belongs to the technical field of roll shafts, and particularly relates to a self-lubricating anti-abrasion type roll shaft sleeve combined structure which comprises a roll shaft body. The interior of the roll shaft body is hollow; a connecting rod is fixedly connected to the interior of the roll shaft body; the middle part of the connecting rod is rotationally connected with a plurality of connecting rings; the connecting rings are distributed in a linear array state; a plurality of fan blades are fixedly connected to the middle part of the connecting ring; the fan blades are distributed in a circumferential array state; a plurality of heat dissipation holes are formed in the end part of the roll shaft body; the heat dissipation holes are distributed in a circumferential array state; the end part of the roll shaft body is fixedly connected with two connecting shafts; through the structure, air circulation can be effectively formed, dissipation of heat in the roll shaft body is accelerated, the temperature of all parts of the roll shaft body is more uniform, thermal deformation caused by local overheating of the roll shaft body is reduced, and the inner surface area of the roll shaft body is increased through the hollow structure in the roll shaft body; and the heat can be more sufficiently transferred into the air.
Owner:TYRUS MACHINERY EQUIPMENT (JIANGSU) CO LTD

Hydrogen production device for pyrolysis of citric acid industrial sludge

The application relates to a hydrogen production device for pyrolysis of citric acid industrial sludge, and belongs to the field of chemical equipment. The device comprises a machine box, an upper feeding cavity, a pyrolysis cavity and a separation cavity are sequentially arranged in the machine box, a charging assembly for loading industrial sludge and a heat carrier is arranged in the machine box, conveying belts for driving the charging assembly to translate along the upper feeding cavity, the pyrolysis cavity and the separation cavity are arranged on the inner walls of the two sides of the machine box; the charging assembly comprises a folding and self-rotatable charging cylinder body, electric telescopic rods for driving the charging cylinder body to unfold or fold are arranged at the two ends of the charging cylinder body, and an electric heating plate is arranged in the pyrolysis cavity; a purification cavity is arranged above the pyrolysis cavity. The upper feeding cavity, the pyrolysis cavity and the separation cavity are arranged, heat transfer of the industrial sludge is carried out by using the heat carrier, the pyrolysis effect can be improved, the rotating of the charging cylinder body during movement can improve the mixing uniformity of the mixed material, the charging cylinder body can be unfolded or folded by the electric telescopic rods during pyrolysis, and local overheating of the mixed material to cause coking can be prevented.
Owner:RIZHAO JINHE BOYUAN BIOCHEM

A sound post speaker

ActiveCN224418930UImprove output efficiencyAcoustic transmissionTimbreAudio frequency
The utility model provides a kind of sound post speaker box, including shell and mesh cover, the shell is equipped with sealed installation cavity, the installation cavity is equipped with loudspeaker unit and two reverse phase pipes, two the reverse phase pipes are symmetrically equipped in the two ends of the loudspeaker unit along the length direction of the shell, the first passageway for the loudspeaker unit sound is passed out and two second passageways located at the two ends of the first passageway are set on the front side wall of the shell, one end of two the reverse phase pipes is located in the installation cavity, the other end is connected to two the second passageways respectively, so that the installation cavity is communicated with outside by two the reverse phase pipes, the mesh cover is connected on the front side wall of the shell.The utility model discloses a sound post speaker box, which can effectively expand the audio range, reduce the timbre distortion, more completely restore the sound effect, and improve the authenticity of the audience to obtain the sound.
Owner:NINGBO SOUNDKING ELECTRONICS CO LTD

A method for LDCT image reconstruction based on deep dual-domain joint guided learning

The application discloses a kind of LDCT image reconstruction methods based on depth double-domain joint guide learning, comprising: the projection domain data of low dose CT obtained clinically is first reconstructed and recovered in projection domain network, simultaneously, only the projection domain data of being operated as guide is projected into image domain reconstruction network, realize the reconstruction operation of low dose CT, in addition, double-domain network also adopts a new structure, can better fuse local and global information.The application realizes the high-quality reconstruction of low-dose CT, effectively utilizes the data of original projection domain.The application not only proposes a new domain guide strategy, uses original projection domain data to guide the reconstruction of image domain, but also designs a new network module for fusing global and local information, which enhances the reconstruction effect of traditional double-domain model.
Owner:SOUTHEAST UNIV

Efficient ABS resin pellet drying device based on hot air

ActiveCN224183456USolve the core problem of low drying efficiencyUniform and stable temperatureAir velocityControl engineering
The utility model discloses a hot air-based ABS (acrylonitrile butadiene styrene) resin pellet efficient drying device which comprises a treatment bin, a drying device is arranged in the treatment bin, a control device is arranged on one side of the treatment bin and comprises a fixed pipe, a control sleeve, a connecting pipe, a control panel, a control shaft, a control groove and a rotating shaft, and one end of the control panel is rotatably connected with the control sleeve through the rotating shaft; a control shaft arranged on the other side of the control panel is slidably located in a control groove, the control groove is formed in the connecting pipe, a reinforcing mechanism is arranged on the outer side of the fixing pipe and comprises a clamping rail, a clamping spring, a clamping block, a clamping groove, a clamping sleeve and a fixing block, the clamping rail is installed on one side of the control sleeve, the clamping spring is connected with the clamping block, and the clamping groove is connected with the clamping sleeve. The clamping block is arranged on the outer side of the clamping rail in a sliding mode through the clamping groove, the clamping sleeve is connected with the fixing pipe through threads, and the fixing block is installed on the outer side of the fixing pipe, and the three technical problems that natural drying efficiency is low, the hot air speed adjusting capacity is insufficient, and the stability of an air speed adjusting structure is poor are solved.
Owner:SHENZHEN YIHAO NEW MATERIALS CO LTD

Marine hot water boiler

This utility model relates to the field of boiler technology, specifically a marine hot water boiler, comprising a boiler body. An upper water chamber and a lower water chamber are respectively installed at the upper and lower ends of the boiler body, connected by several heating pipes. A high-temperature exhaust gas inlet is provided on one side of the boiler body, and an exhaust gas outlet is provided on the other side. Exhaust gas enters through the exhaust gas inlet, undergoes heat exchange with the water inside the heating pipes, and then exits through the exhaust gas outlet. In terms of heat exchange efficiency, the upper and lower water chambers inside the boiler body are connected by heating pipes, and the outer wall of the heating pipes is integrally formed with heat exchange fins. Additionally, a smoke deflector is installed within the flue gas passage. Exhaust gas enters through the high-temperature exhaust gas inlet, undergoes heat exchange with the water inside the heating pipes, the heat exchange fins increase the contact area between the heating pipes and the exhaust gas, and the smoke deflector extends the flow path of the exhaust gas within the boiler body, ensuring sufficient heat transfer between the exhaust gas and the water inside the heating pipes.
Owner:HENAN ZHIXIN BOILER TECH INNOVATION CO LTD

Organic rice cultivation black mulch extrusion molding device and method

PendingCN122275275Asmooth rotationeffective rotationAgricultural engineeringPlastic mulch
This invention relates to the field of black plastic film extrusion molding technology, and discloses a black plastic film extrusion molding device and method for organic rice cultivation. The device includes an extrusion cylinder, a rotating assembly installed at the left end of the cylinder, a spiral cutter holder connected to the right end and a control box connected to the left end of the rotating assembly, a drive motor connected to the outer end of the control box, a feed inlet at the upper left side of the extrusion cylinder, a black plastic film extrusion transfer structure installed at the right end of the cylinder, and a black plastic film output structure connected to the outer end of the black plastic film extrusion transfer structure. A cooling mechanism is provided at the outer end of the black plastic film output structure, and a winding structure is provided outside the cooling mechanism. This invention enables uniform feeding into subsequent extrusion stages, effectively guiding the extruded black plastic film from the extrusion cylinder to the black plastic film output structure, providing timely cooling of the freshly extruded black plastic film, and a multi-layered, all-around air outlet design that allows cool air to be evenly distributed onto the black plastic film, achieving automatic winding of the black plastic film and improving production efficiency.
Owner:XUANHAN HUALONG PLASTIC PROD CO LTD

Diversion gas stove

This utility model belongs to the field of fuel stove technology, specifically relating to a flow-guiding gas stove, including a frame, a furnace body inside the frame, a flow-guiding protrusion inside the furnace body, the outer wall of the flow-guiding protrusion fitting against the inner wall of the furnace body, two symmetrical flow-guiding ports on the flow-guiding protrusion, a pot body fitted on the top of the furnace body, the bottom of the pot body abutting against the inner edge of the flow-guiding protrusion, a smoke exhaust channel and a viewing hole on the furnace body, the height of the smoke exhaust channel being higher than the height of the flow-guiding protrusion, a burner penetrating through the bottom of the furnace body, an air supply pipe at the bottom of the burner, and a blower connected to the end of the air supply pipe furthest from the burner. This device can solve the problem of low thermal efficiency caused by excessive furnace clearance, improve heat utilization, and enhance combustion stability.
Owner:SHANDONG HUAJIE KITCHEN IND CO LTD

A coal seam roof fissure grouting plugging device

PendingCN122589398Asmooth liftfull delivery
The present application relates to coal mining grouting plugging technical field, concretely is a kind of coal seam roof fissure grouting plugging device, comprising: installation bottom plate, the upper surface of installation bottom plate is fixedly installed with first fixed plate, the upper surface of installation bottom plate is provided with lifting mechanism and transport mechanism, lifting mechanism includes second fixed plate fixedly installed on the upper surface of installation bottom plate, the upper surface of second fixed plate is fixedly installed with a pair of guide plates, a pair of guide plates is internally provided with a pair of guide grooves, a pair of guide rings shafts are slidably connected in the inside of a pair of guide grooves, the present application is set through the setting of feeding mechanism, support plate plays fixed support effect to material box, feeding port is convenient for adding grouting material, first servo motor drives first shaft, connecting rod and connecting shaft to rotate, in turn drive stirring vane to carry out uniform stirring to grouting material in material box, after stirring, material is transported to storage tank by guide pipe, realizes feeding and stirring integration.
Owner:HUAI-ZHEJIANG COAL & ELECTRICITY CO LTD GUBEI COAL MINE +1