21results about How to "Effective warm-up" patented technology

The present application discloses a modular fixed bed reactor, comprising a cylinder and an annular gap structure, wherein the cylinder is provided with an air inlet and an air outlet. The annular gap structure is arranged in the cylinder, and divides the inner cavity of the cylinder into an air inlet cavity connected to the air inlet and an air outlet cavity connected to the air outlet. The annular gap structure is provided with a connected reaction channel and a preheating channel, wherein the reaction channel is filled with a catalyst and connected to the air outlet cavity, and the preheating channel is connected to the air inlet cavity, wherein the annular gap structure has a first heat-conducting partition that simultaneously forms the reaction channel and the preheating channel, so that the heat generated by the catalytic reaction in the reaction channel can preheat the gas in the preheating channel through the first heat-conducting partition. The fixed bed reactor can not only effectively utilize the heat generated by the catalytic reaction, but also preheat the gas that has just entered in advance, thereby improving the reaction efficiency of the fixed bed reactor.

The invention discloses a waste heat recovery system for a gas-fired boiler, relates to the field of gas-fired boilers, and aims to solve the problems that in the prior art, water needs to be supplemented into the gas-fired boiler through an external water source due to circulating water loss during use of the gas-fired boiler, but the temperature of the external water source is low, water is directly supplemented into the gas-fired boiler, and the use cost of the gas-fired boiler is low. And hot water in the gas-fired boiler can be interfered. A heat exchange chamber is arranged in the gas-fired boiler body, a corrugated furnace pipe is fixedly arranged at the lower end in the heat exchange chamber, a smoke distribution box is fixedly connected to one side of the corrugated furnace pipe, and a plurality of first smoke heat exchange pipes are arranged in an array and fixedly connected between the upper end of one side of the smoke distribution box and the end face of one side of the heat exchange chamber. A plurality of second flue gas heat exchange pipes are arranged at the upper ends of the first flue gas heat exchange pipes in an array mode and fixedly connected between the end faces of the two sides in the heat exchange chamber, and a preheating water tank is fixedly connected to the end face of the other side of the gas-fired boiler body.

The utility model discloses a rotating disc type heat exchanger for ultralow-temperature denitration. The rotating disc type heat exchanger comprises a heat exchanger shell, a flue shell, a heat exchange disc, a rotating shaft, a bearing and a driving motor, the flue shell is fixed in the heat exchanger shell, the heat exchange disc is installed in the flue shell, air gaps are reserved between the heat exchange disc and an upper shell plate of the flue shell and between the heat exchange disc and a lower shell plate of the flue shell respectively, a flue gas access pipeline upper connector and a tail gas pipeline upper connector are symmetrically arranged on the flue shell, and the flue gas access pipeline upper connector is connected with the tail gas pipeline upper connector. A flue gas access pipeline lower connector and a tail gas pipeline lower connector are symmetrically arranged on the flue shell lower shell plate; honeycomb-shaped through holes are formed in a disc body of the heat exchange disc, a shaft sleeve is arranged in the middle of the heat exchange disc, the rotating shaft is fixedly installed in the shaft sleeve, bearings are installed at the two ends of the rotating shaft respectively, the bearings are fixed to the heat exchanger shell, and the top end of the rotating shaft penetrates through the bearing at the top and then is connected with the driving motor. Through the mode, the heat exchange efficiency can be obviously improved, and the heat loss of a system is reduced.

The invention relates to the field of agriculture, and discloses a testing device for testing drought resistance of peanuts, which comprises a mounting outer cabin, the mounting outer cabin is connected with a cabin door through a hinge, an observation mechanism is arranged on the mounting outer cabin, an observation window is arranged on the cabin door, a mounting inner cabin is arranged in the mounting outer cabin, and the mounting inner cabin is provided with a mounting hole. A partition plate, a planting assembly and a temperature adjusting mechanism are arranged in the mounting inner cabin, a drip irrigation mechanism is arranged on the inner wall of the mounting inner cabin, a water tank, a waste heat utilization mechanism and an illumination mechanism are arranged on the partition plate, and a processing mechanism and a residue preventing mechanism are arranged in the water tank. Extra heating energy consumption can be reduced through the waste heat utilization mechanism, energy waste is reduced, liquid and impurities left on the inner wall of the water tank are effectively scraped through the residue prevention mechanism, the situation that water quality and peanut growth are affected due to accumulation and deterioration is prevented, finally, the internal mechanisms are matched with one another to simulate a dynamic drought environment, and the accuracy of a test result is improved.

The utility model relates to the technical field of combustion equipment, in particular to a preheater adopting staged combustion. According to the technical scheme, the preheater adopting staged combustion comprises an air inlet pipe, a shell, an air return pipe and a guide plate, the guide plate is arranged in the shell, the air inlet pipe is arranged at one end of the shell, an air outlet pipe is arranged at the end, away from the air outlet pipe, of the shell, and a through hole is formed in the end, close to the air outlet pipe, of the shell in a penetrating mode; an annular gas distribution pipe is installed at the end, close to the gas inlet pipe, of the interior of the shell, a spray head is installed on the annular gas distribution pipe, the annular gas distribution pipe is communicated with the through hole through a gas return pipe, and an annular combustor and foamed ceramic are installed in the shell. According to the utility model, the utilization rate of heat in the tail gas after combustion can be increased, and the combustion of fuel can be more sufficient.

The utility model relates to the technical field of bridge steel structure welding, and discloses a bridge steel structure welding device which comprises a welding machine and a welding head installed on the welding machine. The welding device comprises a welding head, the welding head is sleeved with an air blowing part, a collecting cover arranged on the welding head in a sleeving mode is installed at the bottom of the air blowing part, the periphery of the collecting cover communicates with tubular air outlet parts, the multiple tubular air outlet parts communicate with air guide pipes, and the multiple air guide pipes communicate with the air blowing part. The utility model provides a bridge steel structure welding device which solves the problem that when workpieces are welded, heat generated in the welding process is difficult to be effectively used for preheating the next part of workpieces, and the heat can not be fully utilized.

The inner container structure comprises an inner container body, an inner container cavity and a water tank cavity are formed in the inner container body, the water tank cavity is located on the left side or the right side of the inner container cavity, and the inner container cavity and the water tank cavity are integrally formed. The rear side of the inner container is avoided on the left side or the right side of the inner container cavity of the dish-washing machine, so that the space of the rear side of the inner container is reduced, the depth of the dish-washing machine is reduced, in addition, the inner container cavity and the water tank cavity are integrally formed, production efficiency can be improved, and meanwhile the inner container cavity and the water tank cavity are integrally formed and separated only through the partition plate. Heat generated during cleaning of the inner container cavity can be effectively transmitted into the water tank cavity to preheat water, and energy conservation and environment protection are achieved.

The invention discloses a welding strip preheating device of a strip surfacing welding gun. The device comprises a strip surfacing machine head, flux hoppers, a welding strip and a contact tube, a preheating device is arranged below the strip surfacing machine head, the welding strip vertically and downwards enters a gap between a fixed heat insulation plate and an adjustable heat insulation plate of the preheating device along the contact tube of the strip surfacing machine head, and the flux hoppers are arranged on the two sides of the lower end of the preheating device; a connecting plate, a fixed thermal insulation plate, an adjustable thermal insulation plate and a cover plate of the preheating device are sequentially arranged in the transverse direction. And the connecting plate and the cover plate are fixedly connected with the strip surfacing machine head. The device has the beneficial effects that the structural design is reasonable, the operation is easy, the dry extension length of the welding strip can be effectively increased, the welding strip is effectively preheated by utilizing resistance heat of the dry extension part of the welding strip, the cladding speed of the welding strip in unit current is obviously improved, and the surfacing speed is improved; the purposes of reducing welding line energy, increasing the cooling speed of a surfacing layer, reducing the dilution rate of base metal and improving the mechanical properties and metallographic structures of the surfacing layer and a heat affected zone are achieved.

The invention relates to the field of fans, in particular to a primary fan and a using method thereof.The primary fan comprises a base, a fan outer shell, fan blades and a driving motor, a motor support is fixedly installed on the base, the fan outer shell is fixedly installed on the base, and an air inlet and an air supply outlet are fixedly connected to the fan outer shell; an air supply pipeline is fixedly connected to an end opening of the air supply opening, a rotating shaft is rotationally installed on the side wall of the fan outer shell through a first-stage sealing bearing, and the fan blades are located in an inner cavity of the fan outer shell and fixedly connected to the inner side end of the rotating shaft; by arranging the primary fan composed of the base, the fan outer shell, the fan blades and the driving motor in a combined mode and arranging the preheating structure composed of the heat exchange pipelines in the air supply pipeline of the fan outer shell, gas fed into the burner is effectively preheated; therefore, the situation that low-temperature air enters the jet burner, the temperature in the jet burner is lowered, and the combustion effect is affected is effectively avoided.

The utility model discloses a kind of casting runner lower injection pipe heater devices, it is related to foundry technical field, including support and preheating device;Preheating device includes gas nozzle, jet pipe and fire collecting hood respectively fixed on support;Gas nozzle is fixed on support, and is connected with gas supply device, its gas outlet direction is vertically upwards;Jet pipe cover is located outside gas nozzle and vertically extends upwards, its bottom is provided with the air inlet of intercommunication outside, its top is provided with jet port;Fire collecting hood cover is located outside jet pipe and vertically extends upwards, its height is higher than the height of jet pipe, and its top heat port is located at the bottom of injection pipe.By support preheating device, the gas nozzle of preheating device, jet pipe and fire collecting hood cooperate, can effectively preheat casting runner lower injection pipe, avoid cold-state injection pipe to directly contact high-temperature molten metal to produce crack, spalling and other problems, prevent local cooling of molten metal to form cold separation or blockage, improve metal casting quality and production efficiency.

The application discloses a closed water inlet temperature adjusting device, which comprises an inlet preheating unit, a decontamination unit and a drying unit.The inlet preheating unit comprises an inlet heater shell, an inlet, a water inlet and a spraying assembly.The decontamination unit comprises a filter screen, a cleaning assembly, a decontamination assembly and a vibrating assembly.The spraying assembly can be used for spraying and heating the gas entering the inlet heater shell, and the drying unit can be used for drying the gas heated by the spraying assembly, so that the gas entering the gas turbine can be effectively preheated, and the efficiency of the gas turbine is improved.

This invention discloses a copper ash heat treatment stirring device and its stirring method, belonging to the field of copper ash recycling technology. The device includes a rotating platform with a fixed lifting support frame. The rotating platform can drive the lifting support frame to rotate. Multiple electric melting furnaces are symmetrically distributed around the rotating platform. A heating and stirring mechanism is installed on one side of the lifting support frame, and a preheating and stirring mechanism is installed on the other side. In this invention, when the heating and stirring mechanism heats and reduces the copper ash in the electric melting furnace, a large amount of high-temperature flue gas is generated inside the first insulation hood. The air pump of the heat recovery mechanism extracts this high-temperature flue gas, which is then transported through a flue gas collection cylinder and a heat transfer cylinder to the flue gas receiving and fixing seat of the preheating and stirring mechanism. The high-temperature flue gas is then introduced into the copper ash through a stirring air shaft and a flue gas stirring preheating plate, achieving preheating and drying, and fully utilizing the heat of the high-temperature flue gas that might otherwise be wasted.

The utility model relates to gas water heating equipment, which is characterized in that a pressurizing component is additionally arranged in the gas water heating equipment, and water in a water storage tank is directly conveyed into a water inlet pipe through a water pump. In the pressurization process, water in the cold water pipe flows out of the water inlet pipe, and the water pump can input water in the water storage tank into the water inlet pipe through the pressurization pipe so as to achieve pressurization. Due to the fact that water in the water storage tank is stored in advance, the water flow during bathing can be effectively increased and is not affected by external water pressure and water supply capacity, for example, the water pressure or the water supply capacity is insufficient, the pressurization effect is effectively improved, and the water use requirement of a user is met.

The utility model belongs to the technical field of rectification equipment, and particularly relates to high-purity oxygen and poor krypton-xenon shared extraction equipment which comprises a rectification tower body, the top of the rectifying tower body is fixedly connected with an exhaust pipe; the rectifying tower body is communicated with the exhaust pipe; a plurality of first connecting rods are fixedly connected to the inner side wall of the end part, close to the rectifying tower body, of the exhaust pipe; the end part of the first connecting rod is fixedly connected with a first fixed seat; the top of the first fixing seat is fixedly connected with an electric heating tube; through the arrangement of the electric heating pipe, the exhaust pipe can be effectively preheated, and the phenomenon that the temperature of exhausted steam is high and the temperature of the exhaust pipe is low when the rectifying tower body carries out exhaust work, so that the phenomenon that the steam is condensed after being exhausted into the exhaust pipe is effectively reduced; and then the probability that redundant impurities are attached to the inner side wall of the exhaust pipe, and consequently the service life of the exhaust pipe is shortened is avoided, and the overall stability of the device is effectively improved.

The utility model belongs to the technical field of motor production equipment, and particularly relates to a motor stator welding device which comprises a machine body provided with a stator clamping mechanism. The welding mechanism is arranged on the machine body and located on the rear side of the stator clamping mechanism; the machine further comprises a preheating mechanism, the preheating mechanism is arranged on the machine body and located above the stator clamping mechanism, and the preheating mechanism can preheat the stator on the stator clamping mechanism; the cleaning mechanism is arranged on the machine body and located on the front side of the stator clamping mechanism, and the cleaning mechanism comprises a cleaning roller used for cleaning the surface of the stator; wherein the stator clamping mechanism can drive the stator to rotate, the cleaning mechanism can move in the horizontal direction, the preheating mechanism can move in the vertical direction, and compared with the prior art, the welding strength and stability of the motor stator are improved, and the welding quality and performance are improved.

This utility model relates to the field of food processing equipment and discloses an automatic pressure relief device for an empty cake baking box. It includes: a baking box body, with an inner baking liner inside; a door rotatably connected to one side of the outer wall of the baking box near the inner baking liner; and heating elements and baking racks installed inside the inner baking liner. It also includes a pressure relief mechanism, comprising an exhaust pipe connected to the internal space of the inner baking liner and an intake pipe connected to the outside air, each equipped with a first / second solenoid valve and an exhaust fan at the outlet. The control system uses a timing unit and a temperature sensor for coordinated control. This utility model achieves precise, unmanned pressure relief operation, replacing the traditional manual door opening method. It can automatically exhaust and cool according to a preset program, solving the problem of cakes bursting due to inaccurate manual operation, thus ensuring baking quality and significantly improving product yield and stability.

The utility model belongs to the field of melting equipment, and particularly relates to cable processing rubber particle melting equipment which comprises a base, a stirring barrel is fixedly installed on the top of the base, a heating plate is fixedly installed on the outer side of the stirring barrel, the bottom of the stirring barrel is communicated with a discharging valve, a cover plate is arranged on the top of the stirring barrel, and a rubber particle is arranged on the cover plate. One side of the top of the cover plate communicates with a feeding pipe, the top of the base is fixedly connected with a support, the top of the support is fixedly connected with an air cylinder, the output end of the air cylinder is fixedly connected with a connecting frame, the bottom of the connecting frame is fixedly connected with the cover plate, and the interior of the feeding pipe is rotationally connected with a fixing cylinder; the inner side of the fixed cylinder is fixedly connected with a hot melting mechanism; through the structural design of the hot melting mechanism, the hot melting device heats the hot melting net through the conductive inner ring and the conductive outer ring, and the rubber particles can be preheated when passing through the hot melting net, so that the melting of the rubber particles is accelerated, and the melting efficiency of the stirring barrel is improved.

The utility model relates to the technical field of equipment for obtaining metal by an electrolytic method, in particular to a structure of an electrolytic bath. According to the technical scheme, the aluminum electrolysis cell anode scrap waste heat recovery device comprises a box body and is characterized in that a side door is arranged on one side of the box body, a connector connected with a pipeline is arranged on the other side of the box body, a long-strip-shaped window is formed in the top of the box body, a plurality of openings are distributed in one side of the window, and a supporting structure is arranged at the bottom of the box body. And an anode material is placed on the supporting structure. The utility model provides a residual anode waste heat recovery device for an aluminum electrolysis cell, which solves the problems that the cell condition is influenced due to long heating time of a new anode, the waste heat recovery efficiency is low, the energy consumption waste is serious and the use is inconvenient, and achieves the purposes of high waste heat recovery efficiency, energy conservation, low cost and convenience in use.

The utility model relates to the technical field of polyester knitted fabric processing, and discloses a cloth ironing machine for polyester knitted fabric, which comprises supporting legs, the tops of four groups of supporting legs are fixedly connected with a fixing plate, two sides of the top of the fixing plate are fixedly connected with two groups of cloth ironing machines, and one sides, close to each other, of the two groups of cloth ironing machines are provided with non-complete contact devices. Ironing plates which are arranged on the inner sides of the two sets of cloth ironing machines and are used for completely making contact with cloth are converted into non-complete-contact devices, the structure enables the ironing plates to make non-complete contact with the cloth, the non-complete-contact devices arranged above the fixing plates make non-complete-contact operation through the two sets of springs which separately do contraction and stretching movement, and therefore the non-complete-contact operation is achieved. During ironing operation, the contact area of the ironing plate and cloth is adjusted, so that the situation that the whole ironing plate is in direct contact with the cloth due to direct pressing of the ironing plate, and the cloth is damaged by the suddenly-heated ironing plate is avoided, the cloth can be effectively preheated, and the situation that the cloth is damaged is greatly reduced.

The invention relates to the technical field of dishwashers, and particularly provides a water inlet and outlet pipeline assembly, a control method and a dishwasher. The water inlet and outlet pipeline assembly comprises a water inlet pipeline, and the water inlet pipeline is provided with a water receiving end and a machine receiving end which are oppositely arranged; an electric control valve is arranged at the water receiving end; the water receiving end is further provided with a first temperature sensor. A second temperature sensor is arranged in the water inlet tank; a third temperature sensor is arranged at the pickup end; the water outlet pipeline is provided with a machine outlet end and a water flowing end which are oppositely arranged, the machine outlet end is used for being connected with a waste water pipeline in the dish-washing machine, the waste water pipeline is provided with a water drain valve, and the water flowing end is used for discharging waste water out of the dish-washing machine; the water inlet pipeline and the water outlet pipeline are sleeved with the heat conduction sleeve layer. The heat-insulating sleeve layer is sleeved on the heat-conducting sleeve layer; the control module is electrically connected with the first temperature sensor, the second temperature sensor and the third temperature sensor. The heat exchange function is integrated in the water inlet and outlet pipeline assembly, use of a large heat exchanger is avoided, and the size of the assembly is effectively reduced.

The invention relates to the technical field of tin soldering, and discloses an automatic tin soldering method which comprises a tin soldering equipment body, a tin soldering module for installing a solder tip is arranged on the tin soldering equipment body in a sliding mode, an air purification assembly is arranged below the tin soldering module, and a preheating assembly is arranged on one side of the tin soldering module. According to the tin soldering equipment, the motor body is started to drive the fan body to rotate, harmful gas generated by tin soldering can enter through the gas inlet pipe, the harmful gas can be automatically purified under filtration of the filter element body and the cloth bag dust removal conical barrel, harmful substances can be removed through the air purification assembly of the tin soldering equipment body, and the environment is protected. According to the tin soldering equipment, the risk that workers inhale the substances for a long time is reduced, the tin soldering equipment body can effectively absorb and filter smoke or dust generated in the welding process, the toxic and harmful gas and dust in the smoke or dust can be adsorbed and filtered, environmental pollution is prevented, and health of the workers and the surrounding environment is protected.