98results about How to "Play the role of heating" patented technology

The invention provides an eye patch for relieving visual fatigue and belongs to the technical field of eye patches. The eye patch comprises a cover and Velcro fixing bands, multiple sandwiched layers I are arranged inside a cavity of the cover, heating pieces and medicine therapy bags are sequentially arranged in the direction of eyes of a human body inside the sandwiched layers I, a movable cover is arranged at the position, corresponding to the cavity, of the cover, a silica membrane is arranged on the face, making contact with the eyes, of the cover, protruding bubbles are arranged at the positions, corresponding to acupuncture points around the eyes, of the silica membrane, massage beads are arranged inside all the protruding bubbles and connected with a vibration motor which is connected with a power source, a temperature sensor and a microcontroller are arranged inside the cover, and the temperature sensor is sequentially connected with the microcontroller and the power source through wires. The compliableness and comfort level of the eye patch are improved, the effect of relieving visual fatigue is enhanced from the perspective of a short term and a long term, the good effects of relieving and treating visual fatigue are achieved through the combination of thermal therapy, medicine therapy and massage, safety is higher, structural design is reasonable, and using is convenient.

The invention relates to a solar hot air heating refrigeration hot water multipurpose device comprising a heat collecting module and a vacuum heat collecting pipe, wherein the outer layer of the heat collecting module is an insulating layer, a liner is arranged in the insulating layer, an inner core is arranged in the liner, the inner core is connected with a heat absorber through inner core holes symmetrically arranged at both sides of the inner core, the liner is hermetically connected with the vacuum heat collecting pipe through liner holes at both sides of the liner, the lower end of the inner core is closed, and the upper end of the inner core is connected with an induced air joint; the upper end of the liner is semi-closed, and the lower end of the liner is connected with a supply air joint; the induced air joint is connected with a draft fan, the draft fan is connected with a cold air outlet arranged in a room through an induced air pipeline, the supply air joint is connected with a blower, and the blower is connected with a hot air inlet arranged in the room through a supply air pipeline. The draft fan and the blower are used for circulating the air in the room, a heater arranged at a roof and the vacuum heat collecting pipe are used for heating the air, and the heated air heats up the room, thereby the device can perform a function of a radiator; meanwhile, the water in a hot water tank is also heated by a U-shaped circulating pipe, thereby the device can perform a function of a water heater.

An embodiment of this invention discloses a cold-booting auxiliary device for a diesel engine and a control method; because the cold-booting auxiliary method disclosed by this invention adjusts a heating time of a preheating plug according to an actual water temperature, the method disclosed by this invention realizes to adjust the heating time of the preheating plug according to change of an environment temperature and develops heating action at a stating stage and an idling warming-up stage, the temperature of a combustion chamber of an engine is increased, and combustion and tail gas emission of the engine can be improved obviously; simultaneously, an actual temperature and a position of a booting switch are detected so as to control a booting time and a diesel injection quantity of a diesel injection pump advancer, thus, a diesel supply advancing angle of the diesel engine is changed; when a water temperature is low, diesel injection of the diesel engine can be assisted so as to further improve cold-booting performance of the diesel engine; based on an above-mentioned method, the cold-booting auxiliary device disclosed by this invention improves the cold-booting performance of the diesel engine.

The invention mainly discloses a constant-temperature silkworm frame applied to bombyx mori cocooning. The constant-temperature silkworm frame comprises a bottom frame, a silkworm breeding frame, a feeding frame, a ventilating frame and a top board which are arranged from bottom to top. A first heating device is disposed in the silkworm breeding frame. The first heating device comprises a thermal insulation board, a heating plate, a warming plate and a temperature-sensitive plate. Side portions of the feeding frame are provided with feeding holes, and a feeding plate is disposed in each feeding hole. Front and back sides of the ventilating frame are uniformly provided with air vents. An upper portion of the right side of the ventilating frame is provided with a slot. The top board is inserted into the slot to cover the ventilating frame. The top board is provided with a second heating device and a power supply device. The second heating device comprises a heating lamp, a temperature-sensitive rod, a display screen and an adjusting button. The heating lamp is installed at a lower surface of the top board. The temperature-sensitive rod is movably connected to the top board via a movable plate. Temperature of a silkworm breeding environment is strictly controlled, a good survival environment is provided for silkworms, survival rates of the silkworms are improved, feeding is convenient, permeability is good, cultivation space is large, breeding efficiency is high, and the constant-temperature silkworm frame is suitable for large-scale silkworm breeding.

The invention relates to outdoor electronic equipment and a control method of a constant temperature working environment thereof. The outdoor electronic equipment comprises a shell, wherein an electronic module accommodation space is formed in the shell, a box body is arranged on the shell, a phase change material is filled in the box body and a heat conducting structure for heat transfer is formed between the box body and the electronic module accommodation space. The phase change of the phase change material is used for heating or absorbing heat, and the transfer of heat quantity is carried out between an advertising machine and a phase change material through the heat conducting structure, therefore the constant temperature can be provided to the electronic module accommodation space of the outdoor electronic equipment; furthermore, compared with an air conditioner, the energy consumption can be reduced greatly, the cost can be reduced, and the control method of the constant temperature working environment can be extensively applied to the outdoor electronic equipments.

The invention relates to the technical field of asphalt processing, and discloses an asphalt stirring flue gas purification device. The asphalt stirring flue gas purification device comprises a bottomplate, the upper surface of the bottom plate is fixedly connected with a stirring tank, a left side wall of the stirring tank is fixedly connected with a stirring motor, an electric heating plate isfixedly connected between the inner left wall and the inner right wall of the stirring tank, the output end of the stirring motor is fixedly connected with a rotating shaft, and the outer surface of the rotating shaft is fixedly connected with a set of stirring shafts, the stirring shafts are evenly distributed on an outer surface of the rotating shaft, and the upper surface of the bottom plate isfixedly connected with an air pump. The asphalt stirring flue gas purification device solves the problem that the flue gas generated during an asphalt processing process has a great influence on theenvironment, and the flue gas is easily inhaled into the lungs by the operator, flue gas not only has bad smell, but also contains the polycyclic aromatic hydrocarbon carcinogens and some hydrocarbonparticles in the benzene series, and forms a threat to the environment and the physical and mental health of people.

The invention provides intelligent high-speed hybrid equipment for multi-functional new material processing. The intelligent high-speed mixing equipment comprises a fixed base, a supporting column, afeeding hopper, a supporting rod, a supporting frame, a speed measuring hybrid stirring rod structure, a temperature measuring flow guide plate structure, a convenient feeding device, a heating bin structure, an intelligent control cabinet structure, a motor base, a filter screen plate, a discharging pipe, a solenoid valve, a telescopic pole, a hybrid kettle, a hoisting ring, a protective kettle lid and an observation mirror tube. The intelligent high-speed mixing equipment provided by the invention has the benefits that through the arrangement of a speed sensor, the rotating speed of a hybridstirring motor is favorably calculated, so that a basis is provided for the mixing speed of a new material, and the mixed operation process is conveniently controlled; through the arrangement of thestirring rod and stirring blades, the new raw material in the hybrid kettle is favorably mixed and stirred; through the arrangement of a rotating auger, the raw material in the feed hopper is favorably conveyed to the mixed kettle, so that the manual feeding time is saved, the functions of the hybrid equipment are increased, and the labor efficiency is improved.

The invention belongs to the technical field of agricultural machinery and in particular discloses a seedling transplanting device. The seedling transplanting device comprises a rack, an internal combustion engine, wheels, a holing mechanism and a seedling planting mechanism, wherein the holing mechanism comprises an air storage tank, a cylinder, a holing tube and a drill bit; the air storage tankis arranged on the rack; one end of the air storage tank is communicated with an air inlet pipe; the air inlet pipe is communicated with an exhaust outlet of the engine; the other end of the air storage tank is communicated with an air outlet pipe; the cylinder is arranged on the rack and connected with the holing tube; the holing tube is communicated with the air outlet pipe in a sliding manner;the drill bit is connected onto the holing tube; the interior of the drill bit is hollow, and a plurality of through holes are formed in the outer wall; the seedling planting mechanism comprises a first baffle, a second baffle, a seedling box, a motor and a conveyor belt mechanism; a travel switch is arranged on the first baffle; a spring is arranged on the second baffle; a wedge-shaped block isarranged on the spring; the conveyor belt mechanism is obliquely arranged on the rack; and the motor is electrically connected with the travel switch. The invention aims to solve the problems that soil is hard at a low air temperature in early spring in the north and holes are difficultly dug.

The invention discloses an anti-frost type ball valve. The anti-frost type ball valve is characterized in that external low temperature of the ball valve is transferred into the ball valve to form temperature difference inside and outside the ball valve, so that water drops are formed at the joint, are gathered and are guided into an anti-frost ball through a water guide pipeline; then quick limeis arranged inside the anti-frost ball to generate heat when meeting water, the generated heat is conducted to a valve rod, thus freezing at the valve rod can be effectively prevented, and quick limecan be reasonably replaced and reserved through a slag pumping hole after complete reaction; and through the generated heat, on one hand, the valve rod is heated, on the other hand, the heat can be effectively conducted to lubricating oil, then the frozen lubricating oil is changed into liquid, and the liquid is guided to the valve rod along with the rotation of the lubricating balls so that the outer surface of the valve rod can be effectively lubricated and protected.

The invention discloses an electromobile handle with a high comfort degree. The electromobile handle with the high comfort degree comprises a shell; a casing pipe is fixedly connected to the left side of the inner wall of the shell, the right side of the casing pipe penetrates through the outer side of the shell, and the surface of the casing pipe is sleeved with a first heat-insulation plate; and at least three heating units are arranged in an inner cavity of the first heat-insulation plate and each comprises a protective shell, and the inner walls of the protective shells are fixedly connected with a second heat-insulation plate. According to the electromobile handle with the high comfort degree, through arrangement of the shell, the heating units, the protective shells, the second heat-insulation plate, heat conductive rods, a first through hole, heating rods, a heating pedestal, a damping pad, an outer ring, connecting shells, springs, a third through hole, an inner spring and a second through hole, the problem that an existing electromobile handle is low in comfort degree is solved, and the electromobile handle with the high comfort degree has the advantage of being high in comfort degree, brings convenience to a user for using and is high in usability and worthy of being popularized.

The invention discloses a hot water heat transfer toilet seat. The hot water heat transfer toilet seat comprises a toilet seat body and a U-shaped division plate. The toilet seat body is of a hollow structure, a water inlet pipe communicated with the interior of the toilet seat body is welded to the outer side wall of the toilet seat body, and a water outlet pipe communicated with the interior of the toilet seat body is welded to the inner side wall of the toilet seat body. The U-shaped division plate is installed in the toilet seat body, the height of the U-shaped division plate is equal to the thickness of the toilet seat body, one end of the U-shaped division plate is connected with the top end side wall of the toilet seat body in a meshed mode, and a gap with the length of 0.5-1 cm is reserved between the other end of the U-shaped division plate and the tail end of the toilet seat body. According to the hot water heat transfer toilet seat, the U-shaped division plate is additionally arranged in the toilet seat body of the hollow structure, and hot water flows back in the toilet seat body and then is drained into a toilet bowl, so that the toilet seat is warmed for a user, and water resources are fully utilized by using the used water for flushing the toilet bowl.

The invention discloses a cleaning device for a precision steel ball. The cleaning device comprises a base, and a cleaning box is arranged on the left side of the top of the base. A support is fixedlyconnected between the bottom of the cleaning box and the base, and the right side of the cleaning box is fixedly connected with a mounting plate. The top of the mounting plate is fixedly connected with an equipment box, and the right side of an inner cavity of the equipment box is fixedly connected with a motor. The left side of the output end of the motor is fixedly connected with a rotary rod.According to the cleaning device, the base, the cleaning box, the support, the mounting plate, the equipment box, the motor, the rotary rod, cleaning rods, a screen plate, supporting plates, a top plate, a water pump, a water conveying pipe, a water outlet pipe, spraying heads, a water inlet pipe, a filtering plate, a fan, a heating box, a heating pipe and an air outlet pipe are arranged, so thatthe problem that an existing cleaning device for the precision steel ball is unthorough in cleaning and has no drying function is solved; and the cleaning device for the precision steel ball has the advantages of being thorough in cleaning and having the drying function and is worthy of popularization.

The invention provides a water cooler on-line backwashing method, and relates to a water cooler washing method. The water cooler on-line backwashing method solves the problem that in the prior art, shutting down is brought to the production operation due to the fact that a water cooler needs to be regularly washed by stopping a system from running. The method includes the steps of firstly, simultaneously closing a circulating water feed valve on the water cooler and a circulating water return valve on the water cooler; secondly, emptying circulating water in the water cooler through a drain, feeding water accounting for 5% to 10% of the volume of a condenser pipe of the water cooler N hours later, then, keeping the circulating water return valve closed for 3min to 5min, keeping a backwashing water drainage gate valve open for 10s to 30s, and closing the backwashing water drainage gate valve and opening the circulating water return valve to conduct backwashing; thirdly, opening the backwashing water drainage gate valve, judging whether water flowing out of the gate valve is clean or not, if not, executing the third step, and if yes, ending the procedures, wherein the backwashing water drainage gate valve is arranged on the portion, between the water cooler and the water cooler circulating water feed valve, of a circulating water pipeline. The water cooler on-line backwashing method is suitable for washing the water cooler on line.

The invention discloses an ultra-low temperature air source heat pump non-stop defrosting device which comprises an outdoor machine fin heat exchanger, a main way electronic expansion valve, a four-way valve and a pipeline. The outer side of the outdoor machine fin heat exchanger is provided with a defrosting auxiliary way in a connected manner, the defrosting auxiliary way comprises an outdoor machine fin heat exchanger, an intermediate heat exchanger, a defrosting auxiliary way electronic expansion valve, a defrosting compressor, a frosting sensor and a defrosting auxiliary way refrigerant liquid storage tank, and the frosting sensor is fixedly mounted on the surface of the outdoor machine fin heat exchanger; and the defrosting auxiliary way is additionally arranged, the ultra-low temperature air source heat pump non-stop defrosting effect is achieved, the main way four-way valve cannot be reversed when an ultra-low temperature air source heat pump conducts defrosting, an indoor place is in the heating state all the time to guarantee the stable indoor temperature, the defrosting compressor is started, frost is removed by the exhaust gas temperature and evaporates in the intermediate heat exchanger after passing through the expansion valve, the indoor comfort is improved, and the unit energy efficiency ratio is obviously improved after evaporation and temperature rising.

The invention discloses a special demulsification device for PVDF (polyvinylidene fluoride) emulsion, which comprises an external tank, agitating blades and an observation window, the external tank isconnected to an electromotor through a transmission mechanism mounted on the left side, an internal tank is arranged inside the external tank, a storage hopper is arranged on the top of the externaltank, a feed inlet is mounted on the right side of the storage hopper, the internal tank is connected to the transmission mechanism through a connecting shaft mounted inside the internal tank, the agitating blades are mounted on both sides of the connecting shaft, an exhaust nozzle is mounted at the left end of an air supply pipe, the observation window is located on the surface of the external tank, a scale bar is arranged by the right side of the observation window, and a control cabinet is mounted by the right side of the scale bar. The agitating blades of the special demulsification devicefor PVDF emulsion sufficiently stir emulsion and chemical agents, the design of a heating barrel plays the role of heating the internal tank, so that the overall speed of demulsification reaction iseffectively increased, and because the air supply pipe is downwardly inclined, the emulsion is prevented from getting into the air supply pipe to cause the damage of the heating barrel.

The invention discloses a waste packing barrel cleaning device. The waste packing barrel cleaning device comprises a cleaning pool, sedimentation pools, a circulating water pool, a circulating water pipeline and a heating pipeline, wherein the cleaning pool, the sedimentation pools and the circulating water pool communicate with one another in sequence; one end of the circulating water pipeline isconnected with the circulating water pool, the other end of the circulating water pipeline is connected with multiple branches, the multiple branches are arranged in the cleaning pool, each branch isprovided with a spray head, the circulating water pipeline is provided with a high-pressure pump, the spray heads are inserted into a waste packing barrel, and the waste packing barrel is inverted ona support; and circulating water in the circulating water pool is heated by steam in the heating pipeline and then spouted from the spray heads by the high-pressure pump to flush the inner wall of the waste packing barrel, the waste water generated after cleaning passes through the cleaning pool and the sedimentation pools and then flows back to the circulating water pool, and cyclic utilizationof the water is realized. The waste packing barrel cleaning device has no barrel brush or other cleaning units, abrasion of the barrel brush to the barrel wall is avoided, the barrel wall is directlyflushed with high-pressure hot water, and the waste water is easy to treat. The waste packing barrel cleaning device can be provided with the multiple branches, and the cleaning efficiency is greatlyincreased.

The invention discloses an energy saving and emission reduction gas stove. The energy saving and emission reduction gas stove is matched with a pot body to form closed burning structure design, a burning device comprises a furnace body, a burning disc, a heat collection bearing ring, an ignition device and a combustion fan communicated with the bottom of the furnace body, and the combustion fan can effectively promote gas sufficient burning and improve the combustion efficiency; the heat collection bearing ring is in contact with a pot bottom so that the supporting effect on the pot bottom can be achieved; the transverse radiation direction of a flame can be changed so that longitudinal backflow and reutilization can be sequentially carried out, the good energy saving and emission reduction effects are achieved, and the heat using rate is greatly improved while gas is burnt again; meanwhile, after flameout, disappearing of heat on the burning disc and the heat collection bearing ring can be greatly retarded, and the good heat preservation effect is achieved; meanwhile, a waste heat conversion device greatly absorbs and uses high temperature waste gas heat, and the energy saving and emission reduction aims are effectively achieved; and the beneficial effects of guaranteeing indoor health and sanitation and being high in applicability are achieved, and the energy saving and emission reduction gas stove is suitable for application and popularization.

The invention provides a foaming agent, a tundish covering agent, and a preparation method and application thereof, and relates to the technical field of metal smelting. The foaming agent is mainly prepared from (a) a carbonate mineral and (b) a carbon-containing material; the tundish covering agent can have foaming capacity and can form foam slag by adding the foaming agent, so that the thermalload radiated to a tundish liner in a plasma heating process of a tundish is greatly reduced; the thermal efficiency is improved; meanwhile, the formed foam slag can wrap a plasma arc so as to reduceelectricity consumption and electrode loss, and improve the stability of the plasma stability; and a protecting effect can also be achieved on the tundish liner, so that the service life of a tundishbody is prolonged. In addition, the noise produced by the plasma arc can also be reduced by the formed foam slag; the dust and the arc light flash of a plasma arc can be reduced; the pollution to theenvironment can be reduced; and the operation environment of a worker can be improved.

The invention discloses a mould combining production line for PVC inner ring moulds of pet balls. The combining production line comprises a conveying mould mechanism, a pressing mould mechanism, a glue-spraying mechanism, a heating mechanism and a turnover mechanism, wherein the conveying mould mechanism comprises two corresponding crossbeams, a circularly conveying chain is disposed between the crossbeams, a left mould and a right mould are lain among the circularly conveying chain; the pressing mould mechanism comprises two pressing boards; the pressing boards are disposed at the bottom of guiding rods capable of moving up and down; the guiding rods are driven by eccentric wheels; the glue-spraying mechanism is disposed behind the pressing mould mechanism and comprises two glue-spraying rollers, corresponding glue-spraying grooves are disposed on the glue-spraying rollers; the heating mechanism comprises a tank body stretching across the crossbeams; resistance wires are distributed on the two side walls of the tank body; the turnover mechanism comprises an arc-shaped rod upper guiding rail and two parallel arc-shaped rod lower guiding rail stretching across the crossbeams; and a bearing rail is disposed below the crossbeam at the side of the right mould and is cooperated with rollers. The combining production line realizes automatic production of pressing mould, spraying glue, heating and softening colloid, and turning over the combining moulds of the PVC inner ring moulds of the pet balls, and is low in manual labor intensity and high in work efficiency.

The invention relates to a water flow heating body which comprises a heating pipeline, a bubble generation portion and a vortex portion. The bubble generation portion comprises baffles, an inner pipeand an air inlet pipe. The multiple baffles are arranged on the inner pipe in the axial direction. The edges of the baffles are fixedly connected with the inner wall of the heating pipeline. Multipleinclined holes are evenly formed in the surface of each baffle. The inner pipe communicates with the air inlet pipe. The end of the air inlet pipe penetrates through the heating pipeline to extend outwards. According to the heating body, through strong pushing force of a circulating water pump at the front end of the heating pipeline, water entering the heating pipeline obtains a certain accelerated speed; due to the fact that a negative pressure cavity is formed in the inner pipe, water and air are mixed through the air inlet pipe to form multiple micron-order bubbles, then the bubbles enterthe vortex portion to forma vortex, severe extrusion, friction and exploding happen between the bubbles and the pipe wall and between the bubbles, and therefore the function of heating is achieved; and in the process, no external power source is needed for heating the heating pipeline, to-be-heated fluid is subjected to high-speed extrusion and colliding through kinetic energy, the heat conversionefficiency is ensured, meanwhile, energy consumption is effectively reduced, and the operation cost is saved.

The invention belongs to the technical field of medical equipment and discloses a drip stand for recovery after surgery, which includes a bottle body placement device, a heating device, a telescopic frame, a power box and a base, and a spring is arranged inside the bottle body placement device. The bottom of the spring is connected with the pressure sensor. In the present invention, a bottle placement device is arranged on the top of the telescopic frame, and the internal spring and pressure sensor will gradually reduce the liquid inside the bottle, and the pressure will also gradually decrease. Once the pressure reaches the set value, the buzzer will send out an alarm , to remind the staff to replace and remove the needle. There is a heating device on the upper end of the telescopic frame. The heating device can heat the liquid inside the infusion tube. There is a slot at the lower end of the telescopic frame. The slot can be used to place a mobile phone, which is convenient. The patient watches the video during the IV drip to solve the boredom. There is an adjustment button on the side of the telescopic frame, which can adjust the height according to the patient's needs.

The invention discloses a fuel filter for an automatic oil pumping fuel filter assembly. The fuel filter comprises an installing base. An oil input pipe communicates with the top of the installing base. A filter shell is connected to the center of the bottom of the installing base in a threaded manner. A filter element is fixedly connected to the inner wall of the filter shell. By means of mutualcooperation among a supporting mechanism, a tank body, an oil storage tank, an oil filling pipe, a threaded cover, a heating mechanism, an oil pumping pipe, an oil pumping pump, an installing mechanism, a first oil output pipe, a second oil output pipe, a heating transverse pipe, a fixing mechanism, a first return pipe and a second return pipe, the advantage of heating fuel oil in the fuel filteris achieved. Thus the fuel filter can be used in low-temperature weather, fuel in the fuel filter can be effectively heated, the problem that the fuel filter cannot filter the fuel under the circumstance of low temperature is avoided, the loss of an engine is reduced, it is ensured that a car can be started normally, and the use requirement of users can be met.

The invention provides an oil extraction method utilizing circulated heating cavity gases. The method includes heating oil layer cavity gas which enters into a heating device, and extracting oil after injecting heated cavity gases into an oil layer. In this method, flue gas generated by the heating device is injected into the oil layer, and some cavity gases enter into the heating device to serve as fuel for the heating device to form a circulated heating system. By utilizing the method, the oil extraction cost is low, no water resource is needed, contaminated water processing cost is reduced, the pressure and temperature are adjustable, the oil-gas ratio of oil extraction is high, and the yield is high.

The invention discloses a process for conducting secondary heat energy utilization on tail gas of a stationery engine. A smoke inlet, a smoke chamber, a heat exchanger, an anechoic chamber and a smoke outlet which are sequentially connected are included. An air inflow pipe and a draught fan installed on the air inflow pipe are further included. The output end of the draught fan enters the heat exchanger, an opening is formed in the heat exchanger, and a hot air outflow pipe is installed on the opening. After the high-temperature tail gas of the engine is subjected to heat exchange, high-temperature hot air is used for conducting heating and heat preservation on drilling equipment and replaces a boiler. Compared with a water heating mode, the heating effect can be achieved, the draught fan is started for heat exchange and air supply only when the draught fan is needed, continuity and non-interruption of water heating are avoided, cost is far lower than that of water heating, and the purposes of reducing emissions and saving energy are achieved.

The invention relates to an indoor decoration heating plate. The heating plate comprises a connecting frame, a heating core plate, and a decoration panel; the heating core plate is installed in the middle of the connecting frame; the decoration panel is symmetrically arranged at the outer side of the heating core plate; the decoration panel is installed on the connecting frame; and a heat preservation layer is arranged between the decoration panel and the heating core plate. The indoor decoration heating plate can solve the problems that when an existing decorative plate is installed, the splicing effect is bad, connection is unstable, and shaking is likely to happen between the installed plates; the sealing effect between the plates is bad, so that the phenomenon of moisture regain or water seepage is likely to happen, long-time use of the plates is affected; meanwhile, when the existing decorative plate is used, the plate cannot be heated generally, so that the plate cannot effectively adapt to cold regions; and the when the existing plate is heated, a heating position is centralized, and the plate is prone to deformation and warping after being heated for a long time.

The invention relates to the technical field of recycling of waste heat on the top of a roasting sand furnace, recovery and discharging of dust after being cooled and the like and discloses a roastingsand furnace top high-temperature flue gas and micro powder recovery system which comprises a roasting furnace feeding machine and a roasting shaft furnace, and a roasting sand raw material feeding port is formed in the bottom of one side of the roasting furnace feeding machine. For the roasting sand furnace top high-temperature flue gas and the micro powder recovery system, with arrangement of the roasting sand raw material feeding port, the effect of feeding sands is achieved; through cooperative arrangement of a first motor, a first transmission rod and a first screw rod, the first motor is powered on in the using process so as to start to work, and then the first transmission rod drives the first screw rod to rotate, so that the sands conveniently spirally raise into the roasting shaft furnace; and through cooperative arrangement of the roasting shaft furnace and a first natural gas combustion machine, the first natural gas combustion machine is ignited in the using process, gravels fall into an inclined plate, and therefore high-temperature roasting can be conveniently conducted on the sands.

The invention discloses an engine tail gas afterheat exchange method. The engine tail gas afterheat exchange method comprises a smoke inlet, a smoke chamber, a heat exchanger, a silencing chamber and a smoke discharge port connected in sequence, and further comprises an intake pipe and a fan mounted on the intake pipe; an output end of the fan enters the heat exchanger; an opening is formed in the heat exchanger; and a hot air exhaust pipe is mounted on the opening. After the heat exchange is performed for high-temperature tail gas of an engine, well drilling equipment is heated and insulated by high-temperature hot air to replace use of a boiler; and compared with a water heating mode, the engine tail gas afterheat exchange method not only can achieve a heating effect, but also can start the fan for heat exchange and air supply when needed, so that the water heating continuity is prevented, the cost is far lower than that in water heating, and the purposes of emission reduction and energy conservation are achieved.

The invention provides a cleaning and drying device for textile products. The cleaning and drying device comprises a cleaning and drying integrated box, an electric door, a cleaning chamber, a dryingchamber, a supporting column, an immersion type cleaning driving hanging plate assembly, a textile product fixing frame assembly, a steam flow dividing guide pipe assembly, a rail, a transverse supporting plate, an air blower, a waste discharging pipe, a cleaning box, a manual door, an air collecting hood, an exhaust fan, a temperature sensor, a control box, an electric heating pipe, an air outletcover and a wind guide pipe. According to the cleaning and drying device, the textile products needing to be cleaned and dried are hung on hooks or fixed to protective pieces and connecting rods; thetextile product fixing frame assembly with the textile products is immersed into the cleaning box, a rotating motor is started to rotate, so that the cleaning effect is achieved, and after stirring and cleaning are completed, the textile product fixing frame assembly is lifted out to rotate, and thus the spin-drying effect is achieved; and the rail is specifically an annular rail, cleaning and drying operation can be conducted at the same time, and the cleaning and drying efficiency is improved.

The invention discloses a heat preservation box with temperature regulation and control. A heating piece is arranged in a box body, and a temperature sensor is arranged on one side of the heating piece; a supporting plate is arranged in the box body, and the supporting plate is connected with the inner wall of the box body; a controller is arranged on the inner wall of the box body, the temperature sensor is connected with the controller, and the controller is connected with the heating piece; and a battery is arranged in the box body. The interior of the box body is arranged to be of a hollowcavity structure so that an object can be placed in the hollow cavity structure, the heating piece is arranged in the box body, the temperature sensor is arranged on one side of the heating piece, the controller is arranged on the inner wall of the box body, the temperature sensor is connected with the controller, the controller is connected with the heating piece, the battery is arranged in thebox body. and a heating effect is achieved, so that substances in the heat preservation box are kept at constant temperature.

The invention relates to the technical field of leg rehabilitation nursing and specifically relates to a fully-wrapped flexible-fixing leg guard for the leg rehabilitation nursing. The leg nursing device at least comprises a leg shell, a fastening device and a foot plate. According to the fully-wrapped flexible-fixing leg guard for the leg rehabilitation nursing, by arranging the fastening device, one end of a fastening strap can be driven to be wound on a rotating rod through rotation of the rotating rod, the use length of the fastening strap is shortened conveniently, and thus, the effect of stabilizing a leg part is exerted; a rotating head is pressed downwards, a sliding block can be located in a sliding groove and slide upwards, a fastening block tooth block is inserted into a rotating head tooth groove, then, the rotating rod after rotation can be fixed; the foot plate and the fastening strap are arranged, so that feet of a patient can be fixed conveniently; a lower connecting belt is connected with an upper connecting belt in a bonding mode, the size of the foot plate can be adjusted; and the use length of the foot plate can be adjusted through sliding of a sliding rod, and the foot plate can be conveniently used by different patients.