34results about How to "Continuous and stable heating" patented technology

The invention relates to a device for making use of natural energy sources, in particular to a wind-light complementation heat collecting system provided with energy storage devices, which comprises a wind power generation apparatus, a solar heating device, a control device, a heat exchange water tank and a heat radiator connected with the heat exchange water tank, wherein an electric heater is arranged in the heat exchange water tank, the wind power generation apparatus is electrically connected with the electric heater in the heat exchange water tank, and the solar heating device is connected with the heat exchange water tank through a pipeline; and the device is characterized in that energy storage devices are arranged in both the solar heating device and the wind power generation apparatus. The device has the following advantages that: a sodium sulfate decahydrate phase change energy storage material is adopted to make a heat accumulator for storing a large quantity of heat energy for supplying heat continuously and stably under a condition without sunlight and wind. The complete set of system is controlled by a PLC, the centralized control capability is high, and the high reliability of an intelligent system is high.

The invention relates to a self-heating natural gas hydrate preventing device used for preventing the generation of natural gas hydrate, which can maintain the safety production of a gas well and improve the collection ratio of gas reservoir. The technical scheme is as follows: the device consists of a generating system, an electric heating system and a fixing system in a pipeline; impellers are concentrically arranged on a rotating shaft, partition plates are arranged between the adjacent impellers for division, the rotating shaft is connected with a generator and a overspeed protection device, and a gas inlet is arranged below the partition plates; a lead led out from the generating system is connected with an overheat protection device and a heating resistance wire screen, and a gas outlet is installed above the heating resistance wire screen; and a shell is installed outside the generating system and the electric heating system, a fishing head is installed at the top end of the shell, a sealing rubber ring is arranged in a gap between the shell and the wall of a shaft oil pipe, and an upper slip and a lower slip are installed between the device and the shaft oil pipe. The self-heating natural gas hydrate preventing device works by depending on stratum gas, heats continuously and stably, has obvious effects on increasing yield and saving energy, conducts the fishing operation by adopting steel wires, is convenient to operate and manage and can be applicable to production wells of natural gas.

The invention belongs to the technical field of oily sludge treatment and particularly relates to a pyrolysis desorption reaction kettle and treatment equipment including the same for oily sludge of an offshore platform. The pyrolysis desorption reaction kettle comprises a body (1), wherein a material inlet (11), a material outlet (12) and a pyrolysis gas outlet (13) are formed in the body (1), a material conveying mechanism is arranged in the body (1), and the pyrolysis desorption reaction kettle is vertically distributed; and the material conveying mechanism comprises a disc dryer (2) and a single-shaft double-helix stirrer (3), the disc dryer (2) for generating a transverse centrifuging effect to materials is arranged in an upper space in the pyrolysis desorption reaction kettle, and the single-shaft double-helix stirrer (3) for generating a vertical rolling effect to the materials is arranged in a lower space in the pyrolysis desorption reaction kettle. According to the treatment equipment including the pyrolysis desorption reaction kettle for the oily sludge of the offshore platform, the occupied area of the equipment is reduced, and meanwhile, the treatment efficiency of the oily sludge is improved.

Disclosed is an air source heat pump water heating unit capable of achieving continuous heating. The air source heat pump water heating unit capable of achieving continuous heating comprises a water-cooling condenser (7), two compressors (1 and 3), two air-cooling type evaporators (12 and 14) and two throttling valve assemblies (11 and 10), and further comprises three one-way valves (4, 5 and 9) and two four-way reversing valves (8 and 13). Each compressor, the corresponding evaporator and the corresponding throttling valve assembly are combined to form an evaporation and compression set in an interlocking control mode, alternative defrosting operation is achieved by the two evaporation and compression sets through organic switchover of the four-way reversing valves, and therefore the heating process can be continuous and stable, operation is reliable, and the defrosting energy consumption is low.

The invention discloses a thermoplastic flat continuous rolling production system and a production method, and belongs to the composite sheet material production device field. Continuous transition of heat sealing and cooling shaping can be ensured, continuous production of thermoplastic composite boards is achieved, and product quality and production efficiency of composite boards can be raised. The production system comprises an upstream feed device, a rolling shaping device and a downstream collection device. Continuous heat sealing and cooling shaping are achieved at the same time through rolling parallel sections formed by steel bands, and especially continuous and stable heating and pressing of the heat sealing process are achieved through interval arrangement of a heating device and a pinch roller. Continuous and stable cooling and shaping of cooling shaping are achieved through interval arrangement of a cooling device and a pinch roller. Heating and cooling shaping of composite boards are achieved indirectly through steel bands, when a heat sealing section is transferred to a cooling section, the contact relation of the steel band and the composite board is not changed, fluctuation of pressure of the steel band applied on the upper side and the lower side of the composite board is small, and product quality and production efficiency are ensured.

The invention discloses a heat supply system for hydrogen production by methanol reforming. The system comprises: a water vapor generation device for heating liquid water and separating out saturatedsteam; a methanol feeding device, wherein the methanol feeding device comprises a methanol tank and a methanol feeding pipeline which are connected in sequence, and an outlet of the methanol feeding pipeline is connected with a methanol inlet in the water vapor generation device; an oxygen inlet device, wherein the oxygen inlet device comprises an oxygen tank and an oxygen inlet pipeline, and an outlet of the oxygen inlet pipeline is connected with an air inlet in the water vapor generation device; a water inlet device, wherein the water inlet device comprises a water tank and a water inlet pipe with a water pump, and the water inlet pipe is connected with a fresh water inlet in the water vapor generation device; and a reforming reactor connected with a water vapor outlet in the water vapor generation device and circularly connected to the water vapor generation device through an evaporator. The invention further provides a heat supply method for hydrogen production by methanol reforming. The heat supply system and the heat supply method are uniform and constant in heat supply, and the reforming hydrogen production reaction efficiency can be improved.

The invention discloses a gas injection device for an automobile. The gas injection device comprises a gas inlet pipe and a hollow pipe, wherein a groove of which the section is a major arc is formed in the inner wall of the hollow pipe; injection holes are just opposite to the arc bottom of the groove; a plurality of electric heating tubes are arranged in the groove; a guide block is arranged at the bottoms of the electric heating tubes; a guide groove matched with the guide block is formed in the bottom of the groove; each electric heating tube comprises a tube body, an insulated material filling the inside of the tube body and an electric heating wire arranged inside the tube body; a binding post is connected to the tail end of each electric heating wire, penetrates through a small hole and is connected with a wiring plug board; a heat conducting board covers the opening end of the groove. The plurality of electric heating tubes are arranged in the arc groove; the side end of the groove is sealed by the wiring plug board, so that the heat dissipation can be reduced; meanwhile, the electric hating tubes are favorably taken and placed, i.e., a user can determine the number of the electric heating tubes in real time according to the supply amount of gas, so that stable operation for gas output flow is finished at the minimum heating cost.

The invention relates to a self-heating natural gas hydrate preventing device used for preventing the generation of natural gas hydrate, which can maintain the safety production of a gas well and improve the collection ratio of gas reservoir. The technical scheme is as follows: the device consists of a generating system, an electric heating system and a fixing system in a pipeline; impellers are concentrically arranged on a rotating shaft, partition plates are arranged between the adjacent impellers for division, the rotating shaft is connected with a generator and a overspeed protection device, and a gas inlet is arranged below the partition plates; a lead led out from the generating system is connected with an overheat protection device and a heating resistance wire screen, and a gas outlet is installed above the heating resistance wire screen; and a shell is installed outside the generating system and the electric heating system, a fishing head is installed at the top end of the shell, a sealing rubber ring is arranged in a gap between the shell and the wall of a shaft oil pipe, and an upper slip and a lower slip are installed between the device and the shaft oil pipe. The self-heating natural gas hydrate preventing device works by depending on stratum gas, heats continuously and stably, has obvious effects on increasing yield and saving energy, conducts the fishing operation by adopting steel wires, is convenient to operate and manage and can be applicable to production wells of natural gas.

The invention discloses a novel cell-type coking furnace, wherein the coal is subjected to destructive distillation in charring chamber, most of the obtained coal gas enters horizontal gas channel, and is divided to adjacent blast chambers through the coal gas distribution hole, the rest is distributed to each blast chamber. The dedusted thermal waste gas can be used by exhaust-heat boiler to produce steam power generation.

The invention discloses an efficient heat exchanger for medium-deep geothermal energy, belongs to the technical field of terrestrial heat, and aims to solve the problems of high development and utilization cost, large heat loss in a heat exchange link, poor system stability and low continuous heat extraction capacity of a heat exchanger. The heat exchanger comprises an outer pipe, a central pipe and a flow control liquid separator, and the flow control liquid separator is arranged on the central pipe; the central pipe is coaxially arranged in the outer pipe, the outer pipe is divided into an upper section, a middle section and a lower section and sequentially comprises a heat preservation pipe, a conversion pipe and a heat exchange pipe from top to bottom, and the conversion pipe is in a circular truncated cone shape. On the basis of an original straight-up and straight-down inner and outer pipe structure, the outer pipe structure is divided into three sections, the operation flow state of a heat exchange medium is changed, and the heat taking capacity of a single well is improved; the upper heat preservation pipe is externally insulated and internally insulated, downward fluid passes through at a high flow speed, heat exchange between a heat exchange medium and a rock-soil body outside the pipe is prevented, and heat loss is reduced. And in the conversion pipe section and the heat exchange pipe section, the maximum heat exchange with geothermal energy in the stratum temperature increasing section is realized by changing the flow state characteristic of a heat exchange medium and increasing the heat exchange area.

The invention relates to the field of heat-bending molding technology for glass, especially to a heat-bending die capable of carrying out heat-bending molding on automotive glass, particularly to the automotive glass heat-bending die capable of carrying out heat-bending molding on coated glass with a surface nanometer coating. The automotive glass heat-bending die comprises a base, a molding frame and two antigravity mechanisms. An auxiliary heating device is additionally and correspondingly installed above each movable frame; and each auxiliary heating device comprises two first vertical rods, two rotation transmission rods, two second vertical rods, two fixed bases and a plurality of auxiliary heating elements. According to the invention, the additionally installed auxiliary heating elements are allowed to be synchronized with the heat-bending and softening process of the automotive glass, heat flux needed in heat-bending molding of the automotive glass can be guaranteed, and transition of the arc contour of the heat-bending molded automotive glass is allowed to be smoother; moreover, the nanometer coating of the coated glass can be protected and is prevented from damage by unstable heat flux during heat-bending molding of the automotive glass.

The invention discloses an electromagnetic heating device with a water cooling function. The electromagnetic heating device comprises an electromagnetic coil and a coil support. The electromagnetic coil is evenly wound on the outer surface of the coil support, the surface where the electromagnetic coil and the coil support are in contact with each other is evenly wrapped with a layer of heat conduction silica gel insulation sheet, and a magnetic tube is further arranged in the coil support. The magnetic tube is fixedly connected by a magnetic tube supporting pillar arranged on the coil support, the two ends of the magnetic tube supporting pillar are each provided with a special water hole, and the two ends of the magnetic tube supporting pillar are further in small clearance fit connection with a water inlet nozzle and a water outlet nozzle. The water inlet nozzle and the water outlet nozzle are connected with the coil support through threads. According to the electromagnetic heating device with the water cooling function, cooling water channels need to be formed in the water inlet nozzle and the water outlet nozzle, the water holes are formed in the magnetic tube supporting pillar, the purpose is that cooling water led in by the water inlet nozzle can be split, the inner surface and the outer surface of the electromagnetic coil and the magnetic tube or a magnetic ring can be cooled at the same time, and the electromagnetic coil and the magnetic tube can both maintain a low temperature.

The invention relates to a device for recycling a laminated glass waste material. The device comprises a left upright post, a right upright post, as well as an upper cross beam and a lower cross beam arranged between the left upright post and the right upright post, wherein the left half parts of the upper cross beam and the lower cross beam form heating sections, and the right half parts of the upper cross beam and the lower cross beam form disassembling sections; at the heating sections, electric heating plates are arranged on the lower surface of the upper cross beam and the upper surface of the lower cross beam respectively, a plurality of compressing devices for compressing laminated glass at the middle part are arranged on the upper cross beam and the lower cross beam respectively in the length direction, each compressing device comprises vertical sliding sleeves fixedly connected with the cross beams, a guide rod is arranged in each sliding sleeve, compression rollers are respectively arranged at the inner ends of the guide rods, flanges are further arranged on the outer walls of the inner ends of the guide rods, and a spring is arranged at the part between each flange and the corresponding sliding sleeve in a sleeving mode; at the disassembling sections, a first vertical cylinder and a second vertical cylinder are fixedly mounted on the upper cross beam in the length direction in sequence, upper pneumatic sucking discs are respectively mounted at the bottom ends of piston rods of the first cylinder and the second cylinder, and lower pneumatic sucking discs are respectively mounted at the positions, directly opposite to the upper pneumatic sucking discs, on the lower cross beam.

The invention discloses a combined heat supply measurement and control optimization system and a measurement and control method thereof. In the system, a compressive collecting controller, a sensor, a flow rate meter and a solar irradiance measurement meter are added; the comprehensive collecting controller collects data detected by the sensor, the flow rate meter and the solar irradiance measurement meter; the energy source ratio is calculated; and a heat supply energy source structure is output optimally, thus the solar, accumulated energy and conventional energy source heat supply amount can be adjusted automatically on the basis that the solar contribution rate is improved. The combined heat supply measurement and control optimization system and the measurement and control method thereof provided by the invention have the beneficial effects that the whole system can be ensured to supply heat continuously and stably, and energy sources can be saved.

The invention relates to the technical field of salt gradient solar pond thermal extraction, in particular to a self-circulation thermal extraction method and device for a salt gradient solar pond. The self-circulation thermal extraction method and device for the salt gradient solar pond are characterized in that one end of a circulation canal is connected with a lower troposphere of the salt gradient solar pond; hot brine under the driving of density contrast caused by temperature difference flows into a heat charge and discharge device arranged on the other end of the circulation canal; brine releases heat in the heat charge and discharge device so that temperature lowers and density increases; and therefore cool brine after the heat releasing flows back to the lower troposphere of the salt gradient solar pond along the bottom of the circulation canal, so that self-circulation thermal extraction is finished. The heat charge and discharge device is provided with a heat exchanger, a cold fluid inlet and a hot fluid outlet, wherein the cold fluid inlet is used for heat extraction for users and the hot fluid outlet is after heat exchange, and thus the heat in the hot charge and discharge device is constantly supplied to users.

The invention relates to a solar heat storage type water and ground double heat source heat pump system for aquaculture soil pond temperature control. Heating / refrigeration is realized based on a reverse Carnot cycle principle. The solar heat storage type water and ground double heat source heat pump system for aquaculture soil pond temperature control comprises a heat pump unit, a culture soil pond, an auxiliary heat storage pond and an underground heat source well, and also comprises a refrigerant loop, a water source loop and an underground water flow path which are formed in the system. Compared with the prior art, the solar heat storage type water and ground double heat source heat pump system for aquaculture soil pond temperature control has the following advantages: an idle pond stores heat to serve as a heat source of a water source heat pump, so heat supply quantity is large, energy efficiency is high and operation cost is low; and the defrosting problem of an air source heatpump is avoided, the whole culture period is stable in load, the installed capacity is small and the initial invest is low. The underground water with constant temperature serves as a heat source of the a ground source heat pump, so the solar heat storage type water and ground double heat source heat pump system for aquaculture soil pond temperature control is high in energy efficiency, wide in application range and stable in heat supply.

The invention relates to the technical field of salt gradient solar pond thermal extraction, in particular to a self-circulation thermal extraction method and device for a salt gradient solar pond. The self-circulation thermal extraction method and device for the salt gradient solar pond are characterized in that one end of a circulation canal is connected with a lower troposphere of the salt gradient solar pond; hot brine under the driving of density contrast caused by temperature difference flows into a heat charge and discharge device arranged on the other end of the circulation canal; brine releases heat in the heat charge and discharge device so that temperature lowers and density increases; and therefore cool brine after the heat releasing flows back to the lower troposphere of the salt gradient solar pond along the bottom of the circulation canal, so that self-circulation thermal extraction is finished. The heat charge and discharge device is provided with a heat exchanger, a cold fluid inlet and a hot fluid outlet, wherein the cold fluid inlet is used for heat extraction for users and the hot fluid outlet is after heat exchange, and thus the heat in the hot charge and discharge device is constantly supplied to users.

The invention discloses an SCDD (Silicon Carbide Derived Diamond) and CDC (Carbide Derived Carbon) preparation device. The preparation device comprises a base (2) and a plunger (12), wherein the plunger (12) is arranged on the base (2) to form a vacuum protective chamber (30). The SCDD and CDC preparation device is characterized in that a reaction pipe (13) is arranged in the vacuum protective chamber (30), an operating platform (15) for placing a reaction test sample is arranged in the reaction pipe (13), a metal sleeve (11) is sleeved on a position outside the reaction pipe (3), corresponding to the operating platform (15) and an inductive heating coil (25) is sleeved on the metal sleeve (11); either one or two ends of the reaction pipe (13) are further sleeved with a cooling seat (10), the cooling seat (10) is connected with a cooling pipe (5) leading to the outer part of the vacuum protective chamber, and the cooling pipe (5) is used for connecting with a cooling device or a cold source. The SCDD and CDC preparation device is simple in structure, high in safety factor, adjustable in heating position, durable and stable to heat, unlikely to damage, convenient to install and maintain, and convenient for experimental recording and analysis; and the gas-solid reaction inside the device is complete, so that CDC and SCDD materials with better qualities can be prepared.

The invention discloses a two-stage fluidization and activation integrated furnace and method for preparing activated carbon through a physical method. The integrated furnace comprises a furnace body, and the furnace body comprises an upper fluidization area, a middle fluidization area and a lower fluidization area; an upper air electrode box is arranged at the upper part of the upper fluidization area, and a plurality of air caps communicated with the upper air electrode box are arranged in the upper fluidization area; a mixed gas electrode box is arranged in the middle fluidization area, a plurality of air caps are arranged on the upper portion of the mixed gas electrode box, an annular gas electrode box is arranged in the bottom in the furnace, and a gas outlet is formed in the upper portion of the annular gas electrode box and connected with the annular gas electrode box. According to the two-stage fluidization and activation integrated furnace for preparing the activated carbon through the physical method, fixed carbon in materials can be better protected, and invalid ablation of the fixed carbon is reduced. By utilizing the advantages of the fluidized bed, the activation integrated furnace disclosed by the invention has the advantages of high mass and heat transfer speed, uniform reaction, high activator utilization efficiency and energy conservation, the material temperature in the reaction material layer can be controlled, the yield of activated carbon is improved, and high-quality activated carbon can be prepared.

The invention relates to a heating system capable of storing energy by combining a photo-isomerized material and a thermal-isomerized material. The heating system comprises at least one heat exchanger, a solar energy storage heat exchange loop system and an off-peak electricity energy storage heat exchange loop system. The heat exchangers communicate with a cold / hot water pipeline of a heating pipeline of a user so as to form a water circulation loop. The solar energy storage heat exchange loop system and the off-peak electricity energy storage heat exchange loop system are arranged in parallel. The solar energy storage heat exchange loop system and the off-peak electricity energy storage heat exchange loop system are each in series connection with at least one heat exchanger. The heatingsystem can solve the problem of instability and discontinuity of energy by providing stored energy for the photo-isomerized material through solar energy and providing stored energy for the thermal-isomerized material through off-peak electric heating, wherein the photo-isomerized material and the thermal-isomerized material can be both stored at normal temperature, and the requirement for the heat preservation performance of equipment is low.

The invention discloses a combustion device for a smoke sprayer on a plant protection unmanned aerial vehicle, and relates to the technical field of smoke sprayers. The combustion device comprises a fuel tank and a combustion mechanism, the combustion mechanism comprises a combustion nozzle, a spray pipe, a metal pipe and an electronic igniter, the metal pipe surrounds the spray pipe in the axialdirection, and the metal pipe is provided with a bent part located right in front of the end of the spray pipe; and the fuel tank is in an inverted state with a downward opening, a first one-way valveis arranged at one end of a fixing connector, a pressure regulating valve is arranged at one end of the first one-way valve, and a second one-way valve is arranged at one end of the pressure regulating valve. According to the combustion device, electric energy of the unmanned aerial vehicle does not need to be continuously used, and the power and working efficiency of the unmanned aerial vehicleare improved; inverted vaporizing combustion is adopted, and the heating effect on a heating spiral pipe is guaranteed; and the pressure regulating valve can regulate the pressure to ensure that the pressure value of liquid fuel from the fuel tank is stable, and the pesticide spraying effect is improved.

The invention relates to a device used in a biomass pyrolysis liquefaction reaction process, in particular to a solid heat carrier heating device for biomass pyrolysis, which includes a fluidized bed burner and a heat carrier heater connected by pipelines, The fluidized bed burner includes a burner body, the burner body is connected to a biomass powder fuel feeder, and the heat carrier heater includes a heat carrier heating furnace, and the upper and lower ends of the heat carrier heating furnace are respectively connected to heat The carrier feeder and stocker, the heat carrier heating furnace is provided with a smoke inlet, and the flue gas purification chamber is connected to the smoke inlet through a smoke inlet pipe, and the smoke inlet pipe extends into the bottom of the heat carrier heating furnace. The high-temperature flue gas of the invention flows upward from the bottom, and performs forced convection heat exchange with the falling solid heat carrier in the heat carrier heating furnace, and has high heating efficiency.

The embodiment of the invention provides a connector, a clamping seat and a heating building material. The connector comprises an electric connecting part and a fixing part which are integrally formed; the electric connecting part comprises an insulating head and a contact piece, the contact piece is pre-embedded in the insulating head, and one end of the contact piece is exposed and is in electric contact with a connecting piece matched with the contact piece; the fixing part comprises a parent body and a power line, the parent body is fixedly connected with the insulating head, and one end of the power line penetrates through the parent body and the insulating head to be electrically connected with the other end of the contact piece; the parent body comprises a first limiting piece and a second limiting piece, a clamping groove is formed between the first limiting piece and the second limiting piece, and the clamping groove is in transverse sliding connection with a connecting piece matched with the clamping groove so as to limit the electric connecting part to move in the vertical direction. The connector is arranged on the clamping seat, one end of the connector is electrically connected with the heating building material, the other end of the connector is connected with a power source, so that heating floor is powered on for heating; and the clamping seat is used for limiting the heating building material, the heating building material is stably and continuously heated, and indoor heating is guaranteed.

The invention provides a waste water heat exchange device and an operation method thereof. A shell is provided with an outer wall plate and an inner wall plate, and a waste water space surrounded by the inner wall plate communicates with a waste water inlet and a waste water outlet; an annular interlayer space is formed between the outer wall plate and the inner wall plate and is divided into a working medium heat exchange channel and a solar heat exchange channel; the working medium heat exchange channel communicates with a working medium inlet and a working medium outlet so that a working medium can enter and exit; the solar heat exchange channel communicates with a solar inlet and a solar outlet so that a solar heat exchange medium can enter and exit; and a stirring deicer is also arranged in the waste water space, is connected with a power device and can stir in the wastewater space. The waste water heat exchange device can also be combined with a solar heating system and a heat pump system to supply heat to a tail end system in a combined mode.

The invention discloses a solar heat collection system for a solar greenhouse available annually. The solar heat collection system for the solar greenhouse available annually comprises the greenhouse,a buried water pipe, a solar heat collection plate and a heat preservation water tank, wherein the greenhouse is composed of a heating chamber and a control chamber; the buried water pipe is buried in the heating chamber; the two ends of the buried water pipe are each connected with a water distributor; the solar heat collection plate is arranged on the top of the greenhouse and provided with theheat preservation water tank in a pipeline connection mode, and a first circulation pump is arranged between the heat preservation water tank and the solar heat collection plate in a pipe connectionmode; the heat preservation water tank and each water distributor communicate through a pipeline provided with a second circulation pump; the heat preservation water tank is provided with an electricheating wire, a temperature sensor and a temperature control cabinet; and the side wall of the heating chamber is further provided with an induced draft fan, a fan coil pipe and an air inlet. According to the solar heat collection system for the solar greenhouse available annually, cyclic heating on soil in winter is more uniform and stable; through position design of the solar heat collection plate and the heat preservation water tank, frost cracking of pipes in winter is avoided; and the system can be effectively utilized for sterilizing soil in summer, drying vegetables and the like, is efficient and saves energy.

The invention discloses a power system automatic control intelligent deicing device and a deicing method. The power system automatic control intelligent deicing device comprises a middle pipe, a shell, a neck bush, an icebreaking assembly, a pressing assembly, an anti-sticking roller and a motor, wherein the neck bush is fixedly installed at the left end of the middle pipe, the shell is installed on the outer side of the middle pipe in a sleeving mode, the icebreaking assembly is fixedly installed at the right end of the middle pipe, the middle pipe, the neck bush, the icebreaking assembly and the shell are divided into an upper part and a lower part which are symmetrical, the joint positions of the rear ends of the shell are connected through a hinge, the front ends of the shell are detachably connected, and self-adaptive openings are formed in the upper side wall and the lower side wall of the middle pipe. The power system automatic control intelligent deicing device is reasonable in structural design, flexible in structure and convenient to disassemble and assemble, a tensioner is matched with the pressing assembly, firm and stable contact between the anti-sticking roller and a cable can be guaranteed, idling transmission is prevented, ice can be tilted and broken off through the ice breaking assembly, automatic and continuous ice removing operation is achieved, the anti-sticking roller is arranged, equipment is prevented from being frozen on the cable in a low-temperature state, and therefore heating is continuous and stable.

The invention discloses a multifunctional food packaging box. The food packaging box comprises an outer packaging box body, a lining box body and a heat preservation pocket base; the lining box body is reversely buckled on the inner side of the outer packaging box body; a reinforcing ring is connected to the inner side surface of the lining box body in a glued mode; and an abutting disc is bondedto one end of the reinforcing ring. The food packaging box has the beneficial effects that the opening end of the lining box body extends into the outer packaging box body in an inverted buckling mode, the abutting disc in the lining box body is made to abut against food under the action of a tin foil layer, the sponge type reinforcing ring bearing the abutting disc can keep the abutting state andprovide enough buffering and elasticity at the same time, through cooperation with dual protection of the outer packaging box body and the lining box body, the stability and the integrity of the foodin the outer packaging box body are improved and guaranteed, and distribution of the food is facilitated; meanwhile, two lifting handles on the top surface of the outer packaging box body are pulledthrough rectangular grooves, so that abutting pieces on the inner side surfaces of the two lifting handles are both connected with the lining box body in a pressing mode, the portability of the outerpackaging box body is effectively improved while the stability of the lining box body is guaranteed, and carrying, use and distribution are facilitated.