74results about How to "Large heating area" patented technology

The invention relates to a pipe electromagnetism heating device and an electromagnetism heating method. The pipe electromagnetism heating device is characterized in that a main heating tube and a center heating tube which are made of magnetic materials are adopted; and a plurality of groups of heating coils are wound at the periphery of the main heating tube at certain intervals, each group of heating coil is respectively connected with an electromagnetic controller used for providing high-frequency current, the two ends of the centre heating tube are sealed and fixedly arranged in the main heating tube, the central axis of the centre heating tube coincides with that of the main heating tube, and a layer of a metal flow-obstructing wire is wound at the periphery of the centre heating tube. Materials to be heated flow into a space between the main heating tube and the centre heating tube, the groups of heater coils are energized, the main heating tube and the central heating tube heat up simultaneously, and the materials to be heated flow between the main heating tube and the centre heating tube and are heated quickly and thoroughly. The pipe electromagnetism heating device can rapidly heat up the material flowing between the main heating pipe and the centre heating pipe based on the principle of electromagnetism heating and by being combined with a reasonable piping, and is simple in structure, easy to manufacture, install and replace, and applicable to the heating of liquid and solid-liquid mixtures.

The invention relates to a system device suitable for a thermal power plant and a nuclear power plant to supply heat to buildings. A thermal compensation system and a circulating water source heat pump system are connected in series on a conventional heating return water pipeline in turn, wherein the thermal compensation system introduces steam exhaust from a condenser in a power plant, and the circulating water source heat pump system introduces circulating cooling water; the circulating cooling water of the power plant is used as a low-temperature heat source and extraction stream of the power plant is used as a high-temperature heat source to form two heat sources of a heating system; and the thermal compensation system, the circulating water source heat pump system and a steam-water heat exchanger form a three-level heating mechanism of the heating system. The system device makes full use of the low-temperature heat energy in the circulating cooling water, thereby not only reducing the cost for cooling the circulating cooling water, but also reducing the extraction steam for the power plant to supply heat.

The invention discloses a steam generation device. High-temperature heat-conducting oil is conveyed in a pipeline so that heat exchange is fully conducted between heat in the pipeline and inputted soft water, therefore, water is heated to a heat transfer surface under natural convection to realize continuous boiling and saturated steam can be generated under a certain pressure and then outputted from a steam outlet.

The invention discloses a saccharifying wort cooker and a beer saccharifying device using the same. The saccharifying wort cooker is provided with a wort cooker body which is provided with a wort outlet from which the wort flows out; and a stirring device is arranged in the wort cooker body. The invention is characterized in that the bottom of the wort cooker body is a convex bottom projecting upwards; the convex bottom is provided with a steam heating jacket; a wort inlet pipe penetrates through the middle part of the convex bottom and an upward opening of the wort inlet pipe is arranged in the wort cooker; a wort distribution plate is turned up down side above the opening; a gap from which the wort flows out is left between the wort distribution plate and the opening; the bear saccharifying device is composed of the saccharifying wort cooker, a whirlpool tank, a centrifugal pump, a filter tank, a wort butter tank and a pipeline valve and the like. When the saccharifying wort cooker of the invention is used for boiling, the wort flows on the jacket in a thin-layer mode; the evaporation area is large, thus being beneficial to the evaporation of unfavorable taste matters; a heater is used in both saccharification and boiling, and the jacket is convenient for maintenance; and the saccharifying wort cooker is especially suitable for self-brewing beer in beer rooms.

The invention discloses an electric-heating warmer convenient to collect. The electric-heating warmer convenient to collect is characterized by comprising four oil-filled posts which are arranged in the form of a rectangle, an interlocking bar part arranged among the oil-filled posts, and a movable plate part arranged on the upper parts of the oil-filled posts, wherein by virtue of the interlocking bar part, the four oil-filled posts can be away from or close to one another in a diagonal line direction of the rectangle; four top plates are arranged on the tops of the four oil-filled posts; when the oil-filled posts are at a shortest distance, the four top plates are combined with one another to form a complete plate surface; meanwhile, the movable plate part is positioned below the top plates; and when the oil-filled posts are at a maximum distance, the movable plate part moves upwards, and is embedded into the four top plates to form another complete plate surface. According to the electric-heating warmer convenient to collect disclosed by the invention, the electric-heating warmer is convenient to collect while the size is reduced, and the warming area is increased while the size is increased; meanwhile, the formed two complete plate surfaces with different sizes can be used for placing to-be-heated or to-be-dried objects, and the warmer also can be used as a desk for use, so that the functions of the warmer are enriched.

The invention relates to a thermosetting surgical knife device, mainly consisting of a main machine and a surgical knife assembly, wherein the surgical knife assembly is composed of a surgical knife blade and a surgical knife handle; the surgical knife blade is platelike; one side of the front end of the surgical knife blade is provided with a knife edge; the peripheral connected part of the knife edge is provided with a knife body which takes the shape of a multilayer plate; the substrate of the knife body is insulated; the knife body is composed of a heating piece, an insulated packaging layer and Teflon coating from inside to outside; an electrode is arranged at the rear part of the knife body, inserted into the front end of the surgical knife handle, and integrally fixedly connected with the same; an external heater and an external temperature sensor are attached to the exterior of the a surgical knife blade, and the external heater is a heating circuit; the heating piece is a looped heating strip; the knife blade surface adopts an external heating style that an external heating circuit is arranged at the outer part of the surgical knife blade surface, and controlled by an accurate control system composed of computer systems, so that the knife blade is warm but not electrified, and thereby the use safety of the surgical knife is ensured.

The invention relates to a heating tube forming process. A heating tube comprises a quartz glass tube, the inside of the quartz glass tube is coated with an electrode silver paste ring which is electrically connected with an electrode collar, a copper wire is welded onto the electrode collar, the head of the copper wire is welded onto a screw, the opening of an electrothermal film carrier is sealed through a seal cover in which a through hole is formed, and screw penetrates the through hole. The heating tube forming process comprises the steps of spraying a heating film, cleaning the glass tube, drying the glass tube, coating sliver paste, solidifying the sliver paste, welding electrodes, assembling the heating tube, testing the heating tube and capping a plastic connector. The film layer of the heating tube is stable within 5000 hours, and the heating tube is highly reliable; an electrothermal film covers the surface of the electrothermal film carrier, so that the heating surface of the electrothermal film is large, the heat transfer effect is good, the warming is fast, and the heat efficiency is high.

The embodiment of the invention provides a vacuum superconducting electric heater and a manufacturing method thereof. The vacuum superconducting electric heater comprises a heating rod and radiating fins, wherein each radiating fin is in a flaky shape; each radiating fin comprises two cover plates which are buckled together and in welding connection; and grooves on the two cover plates form heat conducting cavities after the two cover plates are buckled together. The manufacturing method comprises: making the cover plates by using a stamping process, and forming a plurality of grooves on the cover plates; buckling the two cover plates and welding the edges of the two cover plates to form a flaky radiating fin, wherein the plurality of grooves on the two cover plates form a plurality of heat conducting cavities after the two cover plates are buckled, and the plurality of heat conducting cavities in one radiating fin are communicated through a gap between the cover plates; and welding the interfaces of the radiating fins to connect the adjacent radiating fins. The radiating fins are arranged in a flaky shape, so that the heat dissipating areas of the radiating fins are increased and the heat dissipating efficiency is improved.

The invention discloses an electromagnetic type water heater and an electromagnetic resistance dual-core water heater, wherein the electromagnetic type water heater is formed by connecting a double-wall or sleeve or box-shaped magnetism-conductive water discharge body, a resonance coil and an integrated controller by virtue of power lines; and the electromagnetic resistance dual-core water heater is formed by connecting the water inlet of a resistance water heater and the water outlet of the electromagnetic type water heater, or placing the resistance water heater in the electromagnetic type water heater to be connected with and the integrated controller by virtue of power lines. For the electromagnetic type water heater and the electromagnetic resistance dual-core water heater, the magnetic energy in various directions of an electromagnetic field are scientifically utilized so that the energy efficiency is improved, and heat insulation is carried out on the resonance coil and the integrated controller by utilizing a heat insulation material and temperature difference of cold and hot water, and a dual-core simple and reliable technical structure in which a low-middle temperature zone is heated by electromagnetic energy and a mid-high temperature zone is subjected to resistance heating is adopted, thereby efficiently solving the problems that the resonance coil and the integrated controller are low in energy efficiency, low in hot water temperature, high in cost and the like, and can be easily damaged due to overheat. The electromagnetic type water heater and the electromagnetic resistance dual-core water heater have the obvious beneficial effects that the energy consumption is low, the cost is low, energy is saved, the hot water temperature is high, and more applications can be met.

An electromagnetic heating device of conduction oil comprises a plurality of heating containers made of electromagnetic metal and communicated in sequence, the heating containers are arranged from top to bottom side by side, the interior of each heating container is of a hollow structure, an oil outlet is formed in the bottom of the left end of the heat container at the uppermost end, an oil inlet is formed in the top of the left end of each heating container arranged below the heat container at the uppermost end, the oil outlet is communicated with the oil inlet of the next heat container, an oil communicating pipe penetrating left and right is inserted in each heating container, the left end of each oil communicating pipe extends out of the corresponding heating container, the left ends of the oil communicating pipes of the heating containers below the heating container arranged at the uppermost end are communicated with the oil inlets of the corresponding heating containers below the oil communicating pipes, each heating container is covered with thermal-insulation cotton, the thermal-insulation cotton is wound by coils, the right sides of the heating containers are provided with an electromagnetic controller, and the electromagnetic controller is connected with the coil on each heating container. The conduction oil within the magnetic field induction range can be heated from inside to outside and the heating speed is high.

The invention provides an aluminum oxide ceramic heating tube and a preparation method thereof. The aluminum oxide ceramic heating tube comprises an aluminum oxide ceramic tube, a silica gel layer, anelectric heating tungsten wire or nickel wire and silver lead wires, wherein the silica gel layer is arranged on the outer surface of the aluminum oxide ceramic tube; the electric heating tungsten wire or nickel wire is arranged between the silica gel layer and the aluminum oxide ceramic tube; the silver lead wire are arranged at two ends of the electric heating tungsten wire or nickel wire; thealuminum oxide ceramic tube has the thickness of 0.3 to 0.5mm, the density which is no less than 3.9g / cm<3> and the resistance of 0.5 to 2ohm; the silica gel layer has the thickness of 1 to 2mm and can resist the temperature of 300 to 400 DEG C; the thickness of the electric heating tungsten wire or nickel wire is 0.03 to 0.05mm and the diameter of the silver lead wires is 0.1 to 0.2mm. The ultrathin aluminum oxide ceramic heating tube can be prepared through a ceramic extrusion molding technology and has the advantages of capability of being rapidly and uniformly heated, large heating area, small power consumption, long service life and good heat-preservation effect, so that the ultrathin aluminum oxide ceramic heating tube has a wide application prospect.

The invention discloses a food processor, which comprises a cup body and a machine head sleeved on the cup body. A motor is arranged in the machine head; the end part of a motor transmission shaft of the motor is provided with crushing blades; the lower end of the machine head is provided with a sanitary protective cover wrapping the motor and the motor transmission shaft; the lower part of the sanity protective cover is provided with a heating part made of a metal material; and a heating device which is in heat-conducting connection with the heating part is arranged in the sanitary protective cover. The food processor has the advantages that: the heater on the machine head is provided with the heating part made of the metal material, and the heating part is provided with a heating device in heat-conducting connection with the heating part, so the heat of the heating device can be dissipated to various parts of the heating part, the heating area is widened, and the problem of burning is solved; parts to be cleaned in the cup body are only the blades and the shaft, so the cleaning is convenient; a turbulator cup is not needed any more, so the cost is saved; and the heating part of the heater is made of the metal material, so the heating part is sanitary and is convenient to clean.

The invention discloses a cable thermal stripping and recycling device, which comprises a steam bin. A pressure reducing valve penetrates through the top of the steam bin. The right side of the pressure reducing valve is fixedly connected with a pressure gauge. The left side of the top of the pressure reducing valve is communicated with a steam heating pipe. A stripping bin is arranged at the topend of the steam heating pipe in a penetrating mode. One end of the steam heating pipe, located inside the stripping bin, is communicated with a heating spiral pipe. The inner wall of the heating spiral pipe is fixedly connected with a cable. The right end of the heating spiral pipe is communicated with a backflow pipe. The right end of the cable penetrates through the stripping bin and extends tothe outside of the stripping bin. The device relates to the technical field of electrical material recovery. According to the cable thermal stripping and recycling device, the insulating layer of thecable can be completely stripped through the spiral and uniform heating process. Therefore, a conductor and the insulating layer are separated efficiently. The pressure reducing valve can reduce theatmospheric pressure inside the steam bin and increase the flow rate of the steam. The steam or the liquid water with a certain heat quantity of heat can be recycled into the steam bin through the backflow pipe. Therefore, the energy consumption is reduced.

The invention discloses a die heating device which comprises combustion tube assemblies and gas tubes. The combustion tube assemblies are easily contained in an inner cavity of a die due to the sizes, the combustion tube assemblies comprise a plurality of transverse tubes and a plurality of vertical tubes, the transverse tubes are arranged at intervals from top to bottom, the transverse tubes are communicated through the vertical tubes, a closed shape is formed by each transverse tube, and a plurality of combustion spraying holes are formed in the peripheries of the tube walls of the transverse tubes and the vertical tubes. The gas tubes are communicated with the combustion tube assemblies, and gas valves are arranged on the gas tubes. By means of the die heating device, the die heating area is increased through the multiple combustion tube assemblies and the combustion spraying holes in the peripheries of combustion tubes, the die preheating efficiency is greatly improved, all parts of the die are evenly heated, and the die preheating quality is improved. A die preheating device is placed on the die in a balanced mode through a supporting piece, and even heating of the die is guaranteed.

The invention discloses a heating device of electric heating clothes. The heating device of the electric heating clothes comprises a battery pack and a heating body arranged in an interlayer of the clothes, wherein the heating body consists of a plurality of conductive films which are encapsulated in a sheet-shaped envelope and are connected in two copper flat wires in parallel; the conductive films are made from macromolecular composite materials; the battery pack comprises a battery core, a gear control switch and a power interface; the battery core is arranged in a battery box; the gear control switch is arranged on the battery box; the power interface is connected with the gear control switch; and the heating body is connected with the battery pack sequentially through a lead-out lead and a lead connecting plug. The heating device of the electric heating clothes can control the temperature uniformly and has the characteristics of wide heating surface, controllable resistance, flexibility, folding property, ageing resistance, no open fire, capacity of saving electricity, stable performance, reliable safety performance and the like. In addition, the lithium battery has low energy consumption and long service time. The heating device of the electric heating clothes can heat the clothes and achieves the effects of dispelling cold and keeping warm for a human body.

The invention discloses a multifunction food processing machine which comprises a machine head and a cup body. The machine head is provided with a circuit controller, a motor, a mincing knife and a heating component; the mincing knife and the heating component are inserted into the cup body. The machine of the invention is characterized in that a fluid director which can be heat-conductive with the heating component is fixed on the heating component and a plurality of diversion holes are arranged on the fluid director; the mincing knife is inserted into the fluid director. In the invention, the fluid director which can be heat-conductive is fixed on a heating tube of the machine head, therefore, the heat on the heating tube can be directly transferred to the fluid director, the heated area in the cup is increased and not all the heat concentrate on the heating tube; soybean milk, cereal and fruit juice can be prevented from being scorched; the mincing knife is wrapped in the fluid director, thus being quite safe.

The invention discloses a thermal insulation plate structure, including a pan support body, wherein, handles are provided on both sides of the pan support body, a heating plate is provided on the bottom side of the pan support body, and the heating plate is also in buckle connection with the handles; a U shaped cavity is provided below the heating plate, a mica plate heating component is fixed in the U shaped cavity, an the upper surface of the mica plate heating component faces to the interior surface of the heating plate; an inner fovea working chamber is provided at the upper side of the pan support body, the working chamber is inlayed with working pan members, and the working pan members are at least matched with a pan body; the pan support body can selectively be configured with a plurality of single pans or an integral pan, user can select to use one pan or simultaneously use a plurality of single pans based on the food weight or kinds, thereby improving the convenience of the actual operation; a Teflon material layer is sprayed on the inner cavity of the single pan for ensuring the long time thermal insulation of food without sticking the pan.

The invention relates to a device for making hot water, specifically to a pressure-bearing water tank for a heat pump water heater, comprising a tank body and more than one refrigerant pipe. A water outlet is arranged at the top end of the tank body. A water inlet is arranged at bottom of the tank body. The tank body is internally provided with a cylindrical body in an aerial way. The cylindrical body is provided with a column body axially. A plurality of positioning plates are arranged in a gap between the external wall of the column body and the internal wall of the cylindrical body and are spirally arranged along the gap at intervals. The refrigerant pipes coil by passing through the positioning plates along the gap, respectively. The inlets and the outlets of the refrigerant pipes are respectively connected with a general inlet and a general outlet on the wall of the tank body. Both of the upper end and the lower end of the cylindrical body are open. The structure of the invention is designed reasonably; water in the water tank can be heated circularly, and the heating area is increased so that water in the tank can be kept at high temperature which is more uniform, thereby improving plot ratio of the water tank.

A lithium battery pack thermal management device comprises a PTC heater, a heating air inlet fan and a battery pack box, wherein an air duct for air flow is arranged in the battery pack box, a hot airinlet is arranged on the battery pack box, and the hot air heated by the heating air inlet fan drives the PTC heater to enter the battery box along the hot air inlet and flow along the air duct. Theinvention has the advantages that when heating the battery, the battery is heated by hot air, the heating range is enlarged, the heating is more uniform, and the defect of partial overheating of the prior art is reduced; When the battery is cooled, the heat can be evenly dissipated and the heat dissipation effect is good through the flow of the cold air optimized by the wind speed in the air duct;But also simple in structure, convenient in realization and easy to popularize.

The invention discloses an on-site high-precision heat treatment device for steam turbine blades. The device comprises an infrared heater shell, an infrared reflecting-mounting base mounted in the infrared heater shell in a sleeved mode and an infrared heating tube mounted in the infrared reflecting-mounting base through an infrared lamp tube fixture, wherein two ends of the infrared reflecting-mounting base pass through an end limiting protection plate used for protecting the infrared heating tube; a heating space is formed between the infrared heating tube and the infrared reflecting-mounting base, the top of the infrared reflecting-mounting base is provided with a joint mounting hole and a cooling pipeline joint, and the cooling pipeline joint communicates with the heating space; and the side wall of the infrared reflecting-mounting base is provided with a plurality of cooling openings which communicate with the heating space, and gaps which communicate with the cooling openings areformed in middle portions of two side faces of the infrared heater shell and the infrared reflecting-mounting base. The device has the advantages of being large in heating area, high in heating precision, good in temperature uniformity and clean without contamination.

The invention relates to a flexible circuit board drilling method which includes the steps of firstly, parallelly and independently disposing a first drill bit and a second drill bit on a drilling machine; secondly, using the first drill bit to sequentially drill a first group of holes in a circuit board, and using the second drill bit to sequentially drill a second group of holes in the circuit board, wherein the first group of holes and the second group of holes are distributed in the up-down and left-right directions at intervals. The method has the advantages that a cover film is directly used for drilling by improving the drilling procedures, an ink printing procedure is not needed, product yield is increased, manpower and material cost is reduced correspondingly, delivery time is reduced, and probability of drill bit breaking is reduced.

The invention relates to a hot cover device and nucleic acid detection equipment. The hot cover device comprises a mounting base; a heat cover assembly which is rotatably connected to the mounting base in a matched mode around a rotating shaft extending in the first direction, wherein the heat cover assembly is provided with a heating cavity with an opening in one end; and a lifting driving part which is in transmission connection with the heat cover assembly and used for driving the heat cover assembly to linearly move in a reciprocating mode in the first direction. According to the heat cover device, the heat cover assembly is driven by the lifting driving part to reciprocate and lift in the first direction so that the heating cavity of the heat cover assembly wraps the tube cover of the reaction tube to perform wrapping type heating on the tube cover, and compared with the prior art, the heating area is increased, and thus the heating effect is remarkably improved, the evaporated liquid is effectively prevented from being condensed on the tube cover, and the accuracy of an experimental result is ensured.

The invention provides a helmet, comprising a helmet body. A flame-retardant acupuncture cotton strip is fixed in the helmet body and is spirally and evenly arranged on the inner wall of the helmet body from top to bottom; an electric heating wire is embedded in the flame-retardant acupuncture cotton strip; a spring cable is connected to the tail end of the electric heating wire and is positionedat the edge of the helmet body; the spring cable is used for being electrically connected to a control box; the front of the control box is provided with an operating panel; a control circuit board and a rechargeable lithium battery pack electrically connected with the control circuit board are arranged in the control box; the control circuit board is used for controlling heating state of the electric heating wire and is electrically connected with the operating panel; the operating panel is provided with a temperature adjusting switch and a power switch. The helmet has large overall heating area, the parts supply heat evenly, and good warmth retention is provided.

The invention discloses an auxiliary material adding, heating, gelatinizing and temperature controlling device for beer brewing. The auxiliary material adding, heating, gelatinizing and temperature controlling device comprises a reaction tank, and a stirring assembly and a temperature controlling assembly which are arranged in the reaction tank; the stirring assembly comprises a stirring frame which is arranged in the reaction tank and adapts to the section shape of the inner cavity of the reaction tank, and stirring scrapers are arranged on the stirring frame at intervals up and down; the temperature control assembly comprises a cooling jacket and a heating jacket which are arranged on the inner wall of the reaction tank up and down at intervals; the stirring frame arranged in the reaction tank body is provided with a stirring scrapers, and the stirring scrapers can be used for uniformly stirring materials in the reaction tank and also can be used for scraping paste adhered to the inner wall of the reaction tank body; in the whole process, accurate temperature control is achieved through the temperature control assembly, and due to the fact that the inner cavity of the reaction tank is arranged in the conical shape, the adding proportion of auxiliary materials can be accurately changed from a small proportion to a smaller proportion.

The invention discloses an energy-saving heating furnace. The energy-saving heating furnace comprises a base; a furnace body is fixed to the upper end of the base; a hopper-shaped shell is fixed to the lower end of the interior of the furnace body; a heating device is fixed to the middle of the hopper-shaped shell; a baffle fixed in the furnace body is arranged at the upper end of the hopper-shaped shell; the baffle is arranged horizontally and provided with a plurality of through holes; a plurality of heating sheets are arranged on the inner wall of the furnace body; branch heating sheets arearranged on the side faces of the heating sheets; two temperature sensors are arranged on the inner wall of the furnace body; a smoke outlet A is formed in the upper end of the furnace body, and a net is arranged in the smoke outlet A; the upper end of the smoke outlet A is connected with a pipe A; and the other end of the pipe A is connected with a smoke inlet in the lower end of a steam tank. As the hopper-shaped shell in the furnace, heat is gathered, and the effect of saving is achieved; and the heating area is enlarged by arranging the herringbone heating sheets, heat is utilized for generating steam to generate power, heat can be recycled, and thus the energy saving and emission reduction effects are achieved.

The invention provides a floor type heating system of an electric automobile. The system comprises a plurality of floor type heating assemblies, and the floor type heating assemblies are installed on a floor of an electric automobile; each floor type heating assembly comprises a bottom plate, an infrared reflecting film layer, a heating film layer and an electrode; the bottom plate can be placed on the floor of the electric automobile; an infrared reflecting film layer is arranged on the upper surface of the bottom plate and is used for reflecting infrared light; and a heating film layer is arranged on the upper surface of the infrared reflecting film layer, electrodes are arranged on the surface of the heating film layer, and any electrode is directly communicated with a power supply of the electric vehicle or is communicated with the power supply of the electric vehicle after being connected in parallel with electrodes of adjacent floor type heating assemblies. The electric vehicle is comfortable, healthy, energy-saving and environment-friendly, the floor block can serve as a heating unit, the heating temperature, the heating time and the heating position can be selected according to needs of passengers, electric energy consumption of the electric vehicle can be greatly reduced, the endurance mileage is increased, and the heating problem of the electric vehicle in winter can be effectively solved.

The invention relates to a novel anthracite heating stove which is characterized in that a fire grate is connected between a coal inlet and a combustion chamber, and the coal inlet is connected with a water-cooled stove arch through the fire grate and the peripheral wall of the combustion chamber; after added coal combusts, generated high-temperature flue gas is discharged from a chimney through transverse water pipes which are arranged in multilayer and staggered ways; a water space is arranged between an outer shell and an inner shell, wherein multilayer-arranged transverse water pipes are welded on the inner shell, and cold water enters into the outer shell from a water inlet pipe, is circulated through the transverse water pipes and then educed out from a water outlet pipe; the outer shell adopts a square-box type structure, and a pull rod is welded on the inner shell; concrete clapboards which are distributed in a staggered way with the multilayer-arranged transverse water pipes are connected into the multilayer-arranged transverse water pipes; an ash removing hole is arranged at the place of the multilayer-arranged transverse water pipes; an inspection port and a sewage drain port are arranged at the bottom of the heating stove; a refractory coating is coated all around the stove wall of the combustion chamber; a communicating pipe is specially welded on the inner shell; and the sewage drain port is connected with a base.

The invention provides a cooking utensil. The cooking utensil comprises a main engine, an inner container, a heat conduction shell and an electric heating part, wherein the main engine is provided with an outer container, the inner container is detachably installed in the outer container, the heat conduction shell is located in the outer container and is arranged at the outer side of the inner container in a sleeving mode, and the electric heating part is arranged on the heat conduction shell and is used for heating the heat conduction shell to make the temperature of the heat conduction shell rise and radiate heat to the inner container. According to the cooking utensil, the heat conduction shell is arranged at the outer side of the inner container in an encircle and sleeving mode, and in this way, the heating area of the inner container is increased; meanwhile, the heat on the heat conduction shell can be evenly transferred to the surface of the inner container corresponding to the heat conduction shell, thus the purpose that every corner of the surface of the inner container is uniformly heated is effectively guaranteed, and therefore the color and mouthfeel of food cooked in the inner container are improved.

The invention discloses a safe, quick and intelligent water heater. The safe, quick and intelligent water heater comprises a shell; a liner is fixedly connected into the shell; the side surface of the liner is fixedly connected with a first support plate; the first support plate is fixedly connected with a first motor; an output shaft of the first motor is fixedly connected with a first blade; the inner wall of the liner is fixedly connected with a first heating rod; the side surface of one end, far from the first support plate, of the liner is fixedly connected with a second support plate; the second support plate is fixedly connected with a second motor; and an output shaft of the second motor is fixedly connected with a second blade. The safe, quick and intelligent water heater is provided with dual heating rods for quickly heating; compared with a traditional single heating rod, the heating area is larger, and the efficiency is higher; and the blades are provided for accelerating flowing of water in the liner, so that the heating efficiency on the water by the heating rods inside is accelerated.

The invention discloses an OLED light source based mine laneway lighting device and an emergency indication system. The mine laneway lighting device comprises an OLED light source and a light source cavity shell, and is characterized in that the OLED light source is arranged in the light source cavity shell, an OLED heat dissipation plate fixedly connected with the light source cavity shell is arranged above the OLED light source, an adhesive explosion-proof surface is arranged at the joint of the light source cavity shell and the OLED light source, and an explosion-proof junction surface is arranged at the top of the light source cavity shell. The adopted OLED light source has the characteristics of low voltage, low temperature rise and the like, and has good energy-saving performance compared with a traditional illumination light source. The lighting device is a surface light source, emits soft light, does not have glare or ultraviolet rays, is more suitable for the underground coalmine environment compared with an OLED point light source, and facilitates improvement of the coal mine laneway illumination effect and environment. The lighting device is a surface light source, is soft in emitted light, free of glare and ultraviolet rays, and is more suitable for the underground environment of a coal mine compared with an OLED point light source.