13results about How to "Heating safety" patented technology

The invention relates to the technical field of dehydration and regeneration methods of water-containing ethylene glycol rich liquor, in particular to an ethylene glycol dehydration and regeneration process and device adopting azeotropic distillation, in the ethylene glycol dehydration and regeneration process adopting azeotropic distillation, fuel gas is adopted as an entrainer of ethylene glycol rich liquor water, so that the boiling point of azeotrope in an ethylene glycol reboiler is reduced. Compared with an existing conventional ethylene glycol rich solution distillation regeneration process, under the condition that the same ethylene glycol barren solution regeneration concentration is achieved, the regeneration temperature is reduced by at least 30 DEG C, heating through a low-frequency electromagnetic heater can be achieved, and heating is safer and more reliable compared with heating through a traditional resistance heater; the regeneration energy consumption is reduced by about 10%, no regeneration tail gas is discharged, the VOCs discharge amount is zero, and the method has the advantage of environmental protection.

The utility model relates to experimental article heating field discloses a kind of assembled water bath pot support, including chassis, at least two struts are fixedly connected with the top end of the chassis, the moving block is connected with the struts by sliding group, the moving block right side outer wall is fixedly connected with top frame, the gear column is rotatably connected in the top frame, the gear column outer wall is engaged and is connected with outer ratchet, the outer ratchet is connected with card by rotating assembly, the sliding assembly includes two spherical balls in the moving block inner wall, the spherical ball inside is slidably connected with support rod, spring is set on the support rod outer wall, the support rod is fixedly connected in the moving block front and rear two sides outer wall.In the utility model, the height of top frame is flexibly adjusted by moving block etc., and is adapted to different bottle body;Gear transmission drives card to stably fix bottle body, eliminates the shaking hidden danger when boiling water heating, improves applicability and security.

The utility model discloses intelligent heating viscosity matching equipment which comprises a heat preservation shell, one side of the heat preservation shell is fixedly connected with a feeding port, the other side of the heat preservation shell is fixedly connected with a controller, the bottom of the controller is fixedly connected with a temperature controller, and the top of the heat preservation shell is fixedly connected with a top cover. A stirring mechanism and a tester are fixedly connected to the top of the top cover, a discharging port is fixedly connected to the bottom of the heat preservation shell, a temperature control hot core, the tester and a temperature controller are arranged, the risk that personnel make contact with the hot core is avoided by means of a closed heating environment, the temperature of a single multi-stage hot core is not too high, fluid heating is safer, and the temperature of the multi-stage hot core is not too high. Compared with the prior art, the multi-stage heating core heating device has the advantages that the overheating risk is avoided, the multi-stage heating core heating improves the heating efficiency, the full-automatic control system reduces the operation workload of personnel, the risks of man-made errors and the like are avoided, addition of part of diluents is replaced, pollution sources are reduced, and the closed heating prevents external flue gas from polluting the environment.

The application discloses a device and method for preventing pollution and blockage of a cold stage system of a scanning electron microscope, the device comprising a main low-temperature gas path system and a normal-temperature nitrogen branch, low-temperature nitrogen discharged from the main low-temperature gas path system is divided into two paths, and is respectively connected to a cold hydrazine and a cold stage and is independently controlled through a flow valve. In order to solve the problems that a sample is easily polluted and a gas path is easily blocked during temperature rising in the prior art, a normal-temperature nitrogen branch is additionally arranged on the cold stage gas path through a three-way valve. During a system temperature rising stage, the cold stage low-temperature gas path is closed and the normal-temperature nitrogen branch is opened, dry nitrogen is blown to the cold stage, the cold stage is rapidly heated under positive pressure protection, meanwhile, the cold hydrazine continuously obtains low-temperature nitrogen, and an ultralow temperature is maintained. The above-mentioned measures ensure that a large temperature difference (such as > 150 DEG C) always exists between the cold hydrazine and the cold stage, ensure that pollutants are preferentially captured by the cold hydrazine, effectively protect the surface of the sample to be clean, and fundamentally prevent the gas path from being blocked due to moisture backflow.

The invention discloses a hot air heating device for a continuous fiber band reinforced composite pipe, which comprises a high-pressure axial flow fan, a heating device shell, a heating core, a temperature measuring probe and an air outlet, the heating core is arranged in the heating device shell, and a connecting piece is arranged at the left end of the heating core and is used for fixing the heating core and connecting the high-pressure axial flow fan mounted at the rear end; the right end of the heating device shell is connected with an air outlet, a temperature measuring probe is arranged in the middle of the heating core and used for detecting the temperature of the heating core, and a temperature sensor is arranged at the air outlet of the heating device and used for detecting the temperature of the air outlet of the heating device. The device is reasonable in structure, easy to operate, capable of adjusting the air speed and temperature in real time, capable of continuously and safely heating an object and suitable for application and popularization.

The application provides a battery low-temperature uniform preheating method and device without external power supply, the method comprises two heating forms of mutual pulse heating and self-discharge pulse, different heating modes are selected according to different open-circuit voltages and temperature conditions through monitoring the voltage and temperature of the battery, so that the temperature of two batteries uniformly rises to not less than a preset temperature on the basis of minimizing the capacity loss of the battery, the cost is reduced, and the device is easy to be miniaturized. The application is especially suitable for efficient, safe and rapid starting when the battery temperature is not uniform, the controller and multiple sensors are arranged, the voltage and temperature conditions of the battery are monitored and controlled, the heating mode and the charging and discharging process of the battery are reasonably distributed, so that the heating strategy of the application can operate more stably, the reliability is improved, and the cost is saved.

The utility model discloses a kind of self-deflation module and milk warmer, feeding bottle, including collar and exhaust pipe fittings, the first end of the collar is used to connect with milk warmer, the tail end of the collar is used to connect with feeding bottle, the sidewall of the collar is provided with deflation port, the exhaust pipe fittings are equipped with exhaust passage, the exhaust pipe fittings have with the air inlet and exhaust port of the exhaust passage communication, the exhaust pipe fittings are connected with collar to make exhaust port and deflation port communication, the design can release the gas expanded in milk warming cavity, so that heating milk is safer and more reliable.

The utility model relates to the technical field of wax-water separation equipment, in particular to a micro-negative-pressure steam heating wax-water separator which comprises a separator shell, a steam generator is arranged on one side of the separator shell, the steam generator is provided with a water tank, the separator shell is provided with a deslagging drain pipe, and the deslagging drain pipe is provided with a water inlet pipe and a water outlet pipe. A deslagging and drainage pipe is arranged in the separator shell, the deslagging and drainage pipe is communicated with the separator shell, a deslagging and drainage valve is arranged on the deslagging and drainage pipe, the separator shell is provided with a wax temperature probe, the wax temperature probe is used for measuring the temperature of wax liquid in the separator shell, the separator shell is provided with a wax outlet pipe, and the wax outlet pipe is communicated with the separator shell. A pump inlet heat preservation valve is arranged on the wax outlet pipe, the wax outlet pipe is provided with an electric gear pump, a steam discharging pipe is arranged in the separator shell, liquid in the separator shell is evenly stirred through the stirring rod, the separation efficiency is improved, the steam discharging pipe uses high-temperature steam as a heat source, and wax liquid heating is safer and more reliable.

The invention discloses an integrated oil level sensor with a heater, and belongs to the technical field of oil level sensors. Comprising an integrated seat, a flow medium temporary storage module, a heating unit and an oil level sensing unit, the integrated seat comprises a cylinder seat embedded with an oil tank, a flange ring fixed with the oil tank is integrally manufactured outside the cylinder seat, a threaded sleeve is integrally manufactured in the center of the cylinder seat, the flow medium temporary storage module comprises a flow storage hopper, and the flow storage hopper is rotationally connected to the top of the inner side of the cylinder seat; the flow storage hopper is arranged outside the thread sleeve; the upper portions of the two sides of the flow storage hopper are oppositely connected with a liquid taking pipe and a pressure relief pipe in a screwed mode. The liquid taking pipe is connected with an oil return pipeline of the oil tank through a hose; the heating unit comprises a hollow annular plate, and a spiral pipe is fixed to the bottom of the annular plate; according to the integrated oil level sensor with the heater, low-temperature heating wax melting and backflow oil scouring can be carried out on the detection rod, and the cleanliness of the detection rod is guaranteed.

This utility model relates to the field of reactor heating and insulation technology, and in particular to an electric heating device for a reactor. Specifically, it includes two mirror-symmetrically arranged heaters. Each heater has a heating shell with a cover-like structure, and through slots are formed on opposite sides of the heating shell. When the heaters are assembled, the through slots together form a channel that covers and accommodates all or at least part of the reactor. An insulation layer is provided inside the heating shell, and slots in the insulation layer form a heating zone communicating with the channel. An electric heating unit is installed within the heating zone. This utility model uses two mirror-symmetrically arranged, cover-like heating shells to form heaters, which can be used to cover and accommodate the reactor and use electric heating units to heat and insulate the reactor, achieving effective and safe heating of the reactor without any pollution to the gas inside the reactor.

The invention discloses an engine waste heat utilization system and method for a hybrid power system. The engine waste heat utilization system comprises a controller, and a first pump, an engine, a first circulation loop and a second circulation loop which are connected with the controller, the first pump is serially connected with the engine to form a pump circulation loop; the first circulation loop and the second circulation loop are both connected with the pump circulation loop in parallel. The controller controls the opening degree of the first circulation loop and the opening degree of the second circulation loop on the basis of the heating requirements of the cab and the power battery under the conditions of normal heating of the cab and safe heating of the power battery, so that high-temperature engine cooling liquid in the engine is injected into the first circulation loop and / or the second circulation loop. According to different current working conditions, the environmental working conditions of the hybrid power system are divided into a plurality of condition classifications for analysis, the waste heat utilization priority under each working condition is formulated, and the power battery is heated on the basis that cab heating and driver temperature comfort are not affected as far as possible.

The utility model relates to the technical field of heating equipment, in particular to a silica gel flame-retardant graphene heating wire constant-temperature water tank heater, which comprises a carrying water tank, an integrated heating wire is mounted at the bottom of an inner cavity of the carrying water tank, and the integrated heating wire comprises a carbon fiber heating wire, a graphene sheath and a flame-retardant silica gel sheath. And a mounting base plate is mounted on the left side of the top of the carrying water tank through screws. Through the arrangement of the homogenizing stirring mechanism and the integrated heating wires, the heating device has the advantages of safe temperature rise and temperature homogenization, the carbon fiber heating wires, the graphene sheath and the flame-retardant silica gel sheath are good in material, the heating requirement in the low-temperature environment can be met, meanwhile, the integrated heating wires are evenly distributed in the object carrying water tank, and the heating effect is good. The water temperature balance in the loading water tank is facilitated, the stirring blades can be matched for stirring and temperature homogenization, meanwhile, the stirring blades can also move left and right under the cooperation of the gear and the driving part, and the water temperature homogenization requirement of the loading water tank with the large specification is well met.

The invention discloses a mine annual heat supply load composite heat source heating system and a working method thereof. The system comprises a heating water tank, a photovoltaic direct current electromagnetic heating subsystem, an air compressor waste heat recovery heating subsystem, a bathing waste water waste heat recovery heating subsystem, a reheating circulation subsystem, a control subsystem and a water supply subsystem. The photovoltaic direct-current electromagnetic heating subsystem, the air compressor waste heat recovery heating subsystem, the bathing waste water waste heat recovery heating subsystem, the reheating circulation subsystem and the water supply subsystem are all connected with the heating water tank and the control module. Light heat storage is fused in a bath waste water waste heat recovery system and an air compressor waste heat recovery system to form an integrated heating and heat supply system, the defects that a hot water solar heat collector is multiple in pipeline, difficult to lay, prone to pipe explosion in winter, frequent in maintenance and the like are overcome, scattered and small amount of waste heat is efficiently utilized, and zero emission and zero pollution are achieved.