35results about How to "Avoid temperature effects" patented technology

The invention relates to the technical field of heat recovery equipment, and discloses an energy-saving type waste heat recovery RTO waste gas treatment device in order to solve the problem that part of purified gas still has high heat due to the fact that cooling water does not make full contact with a heat exchange pipe. Through the arrangement of the upper baffle plate, the sliding plate and the barrel body, along with the gradual rising of the liquid level of cooling water, the sliding plate moves upwards, so that a space is formed between the upper side of the upper baffle plate and the inner wall of the barrel body, and due to the fact that the barrel body is obliquely arranged, the gradually rising liquid level of the cooling water extrudes out air in the barrel body; the contact area between the cooling water and the heat exchange tube is increased, so that more heat in the purified gas is absorbed by the cooling water, and the probability of heat waste is reduced.

The invention discloses a production device and a production method of a demulsifier, and relates to the technical field of demulsifier production. The production device of the demulsifier comprises a mixing kettle and a discharge valve arranged at the bottom of the mixing kettle, the top of the mixing kettle is rotationally connected with a stirring shaft, the stirring shaft penetrates into the mixing kettle, and the side wall of the stirring shaft is fixedly connected with a plurality of stirring blades. According to the production device and the production method of the demulsifier, caked solid raw materials can be crushed, meanwhile, the solid raw materials can be uniformly scattered on the surface of liquid, the mixing efficiency of the solid raw materials can be improved, and then the production efficiency of the demulsifier is guaranteed; when an alkaline solid raw material is fed, the reaction rate is convenient to control, the demulsifier is safer and more reliable, meanwhile, liquid near the reaction can be subjected to heat absorption cooling treatment, and the production effect of the demulsifier is ensured; the alkaline solid raw material can be preheated by utilizing the heat of the reaction, so that the reaction efficiency and effect can be improved.

The utility model relates to the technical field of glass bottles, in particular to a glass bottle convenient for label replacement, and aims to solve the technical problems that most glass bottles are difficult to separate from labels and glass bottles after glue is dried when the labels are fixed in a glue attaching manner, the labels are difficult to be completely taken down after being attached, and the labels cannot be replaced when the labels are mistakenly attached or need to be replaced. The original label can be taken down for a long time and is difficult to keep complete, and glue is easy to remain on a glass bottle, so that the appearance of the bottle body is influenced and the subsequent label fitting is influenced; according to the technical scheme, the glass bottle with the label convenient to replace comprises a sealing assembly, an anti-skid assembly, a magnetic attraction assembly, a label base assembly and a display assembly; compared with a traditional glass bottle, the situation that the label is fixed in a colloid attaching mode, and the label is difficult to replace, colloid attaching of the label and the glass bottle is changed into magnetic attaching in a magnetic attaching mode, glue is prevented from remaining on the glass bottle, and the label can be completely taken down and attached conveniently.

The application relates to the technical field of liquid chromatography tandem mass spectrometry all-in-one machines, in particular to a high-performance liquid chromatography tandem mass spectrometry all-in-one machine which comprises a bottle box, the top of the bottle box is used for placing a solvent bottle, a fixing clamping plate for limiting the solvent bottle is arranged on the bottle box, a side edge buckle slot is formed in the side edge of the bottle box, a refrigeration box is arranged in the side edge cooling box, an intelligent control screen is mounted on the surface of the refrigeration box, a pull-out box is connected to the side edge cooling box through a pull-out slot, and a box handle is arranged on the pull-out box. On the sample management, the refrigeration box in the side edge cooling box cooperates with the intelligent control screen to realize intelligent temperature control, the influence of manual operation on the refrigeration environment is avoided, the arc-shaped clamping groove, the rubber pad and the compression spring structure in the pull-out box can stably clamp a test tube, the sample pollution risk is reduced, the detection precision is improved, and meanwhile, the detachable connection design of the fixing clamping plate enhances the use flexibility of the equipment.

The invention discloses a micro-flow fluid medium flow temperature control system, a temperature control method and an electrolytic bath, and the system is characterized in that a multi-stage temperature control strategy is adopted on a fluid medium circulation loop, and a cooling device and double heaters are combined; the plurality of temperature measuring devices are respectively arranged at the outlet of the cooling device, the outlets of the double heaters and the inlet of the heated component; the system further comprises a PID controller, the PID controller is connected with the cooling device, the double heaters and the multiple temperature measuring devices, the PID controller adjusts power output of the heaters, the heat dissipation power and the heating power of outlets of the heaters and inlets of the heated parts are balanced, and the debugging efficiency and the system stability are improved.

The present invention provides an RC oscillator circuit and a monolithic integrated chip, the RC oscillator circuit comprises an oscillation module, a bias current generating module and a delay replica module; the oscillation module is used to generate a first clock signal and a second clock signal which are inversely phased to each other; the bias current generating module provides a first charging current and a second charging current to the oscillation module; the delay replica module generates a first delay signal at the falling edge of the first clock signal or the rising edge of the second clock signal, and generates a second delay signal at the rising edge of the first clock signal or the falling edge of the second clock signal; the bias current generating module amplifies the first charging current to twice the original value within the pulse width of the first delay signal, and maintains the same value at other times; and amplifies the second charging current to twice the original value within the pulse width of the second delay signal, and maintains the same value at other times. The present invention can eliminate the influence of the delay error of the comparator and improve the accuracy of the clock frequency.

The invention relates to the technical field of fireproof adhesive tape conveying, in particular to an automatic fireproof adhesive tape conveying and transferring device which comprises a conveying belt for automatically conveying fireproof adhesive tapes, a transferring platform for assisting in transferring of the fireproof adhesive tapes is arranged on one side of the conveying belt, and a cooling mechanism for assisting in cooling of the fireproof adhesive tapes is arranged on the transferring platform. The cooling mechanism comprises a draught fan located on the circulation platform, the air outlet end of the draught fan is connected with a first air supply pipe, a first support and a second support are installed on the two sides of the conveying belt correspondingly, and a transition air bellow communicated with the first air supply pipe is arranged on the first support. According to the automatic conveying and circulating device for the fireproof adhesive tape, the cooling mechanism is used for assisting the conveying belt in automatically conveying the fireproof adhesive tape, meanwhile, the fireproof adhesive tape is cooled, the winding mechanism is used for automatically winding the fireproof adhesive tape, the fireproof adhesive tape is closely connected, the production efficiency of the fireproof adhesive tape is improved, manpower is reduced, and the production cost is reduced. And the workload of workers is reduced.

The utility model relates to the technical field of reaction kettles, in particular to a butyronitrile latex polymerization reaction kettle convenient for accurate temperature control, which comprises a kettle body, a heating unit arranged in the kettle body and a stirring mechanism arranged in the kettle body, and the stirring mechanism comprises a rotating rod rotationally connected to the inner bottom wall of the kettle body. A stirring paddle is fixedly connected to the surface of the rotating rod, a motor is fixedly mounted on the upper surface of the kettle body, an output shaft of the motor is fixedly connected with a main bevel gear, a rotating opening is formed in the upper surface of the kettle body, and the upper end of the rotating rod extends out of the upper surface of the kettle body through the rotating opening and is fixedly connected with an auxiliary bevel gear. According to the utility model, through the sampling mechanism, under the action of the negative pressure pump, the collection bottle is subjected to negative pressure, and the collection bottle with negative pressure pumps raw materials in the kettle body into the collection bottle through the extraction pipe and the sampling hole channel, so that the purpose of sealed sampling is achieved, the kettle body is prevented from breaking a constant-temperature state due to temperature loss, and a guarantee is brought to a polymerization reaction of latex.

The utility model relates to the technical field of pigment mixing, in particular to an anti-fouling and uniform-coloring pigment mixing device. The device comprises a stirring barrel and a pre-mixing device installed above the stirring barrel, stirring blades are arranged in the stirring barrel, the pre-mixing device comprises a proportioning hopper and a mixer box body, a filling cavity is formed in the inner side wall of the stirring barrel and filled with replaceable filling liquid, a temperature sensor is installed in the stirring barrel, and the temperature sensor is connected with the mixer box body. A display screen electrically connected with the temperature sensor is mounted on the outer wall of the stirring barrel. The material mixing machine box body is used for preliminarily mixing the pigment, so that the pigment is preliminarily dispersed; the stirring blades in the stirring barrel fully stir the pigment, so that the pigment is fully mixed and uniformly colored; stirring blades in the stirring barrel continuously stir and rub with the pigment to generate heat; when an operator sees that the display screen displays that the temperature in the stirring barrel is too high, hot filling liquid in the filling cavity is replaced with cold filling liquid, so that the temperature in the stirring barrel is reduced, the tinting strength of pigments is prevented from being influenced by the too high temperature in the stirring barrel, and the product quality is improved.

The present invention discloses a demulsifier production device and a production method, and relates to the technical field of demulsifier production. The demulsifier production device comprises a mixing kettle and a discharge valve arranged at the bottom of the mixing kettle; the top of the mixing kettle is rotatably connected with a stirring shaft, the stirring shaft penetrates into the mixing kettle, and a plurality of stirring blades are fixedly connected to the side wall. The demulsifier production device and production method can crush the agglomerated solid raw materials, and at the same time, can evenly sprinkle the solid raw materials on the surface of the liquid, can improve the mixing efficiency of the solid raw materials, and thus ensure the production efficiency of the demulsifier; when the alkaline solid raw materials are input, it is convenient to control the reaction rate, which is safer and more reliable, and at the same time, can endothermic cooling treatment can be performed on the liquid near the reaction to ensure the production effect of the demulsifier; the heat of the reaction can be used to preheat the alkaline solid raw materials, which can improve the efficiency and effect of the reaction.

The utility model discloses an electric power engineering distribution box with a protection structure, which relates to the field of electric power engineering equipment and comprises a heat insulation shell, a fan is mounted at one end of the outer wall of the heat insulation shell, an inner container shell is arranged in an inner cavity of the heat insulation shell, the heat insulation shell and the inner container shell are both of a rectangular cavity structure with an opening at one end, and the heat insulation shell and the inner container shell are arranged in the rectangular cavity structure. A heat dissipation cavity is formed between the heat insulation outer shell and the inner container shell. According to the utility model, through the arrangement of the heat insulation housing, the influence of external high temperature on the internal temperature of the distribution box is avoided, and meanwhile, the fan continuously blows the heat radiation fins on the outer side of the inner container housing to accelerate the flow rate of air around the heat radiation fins, so that the heat exchange rate of the inner side and the outer side of the inner container housing is accelerated, and the cooling effect is realized. In the heat dissipation process of the distribution box, dust and humid air do not interfere with electronic elements in the distribution box, and meanwhile it can be effectively guaranteed that the temperature in the inner container shell is kept within a safe temperature range.

The utility model relates to a car technical field especially, it is a kind of central hand box refrigeration structure, including central hand box, condenser pipe, semiconductor refrigeration module, shroud and heat dissipation pipeline, wherein, central hand box inside is equipped with refrigeration space;Condenser pipe is embedded in the lateral wall of refrigeration space, and its both ends are communicated with the refrigerant circulation pipeline of car air conditioning system by pipeline;Semiconductor refrigeration module cold end is embedded in the lateral wall of refrigeration space, and hot end is placed in the inside of shroud;Shroud is fixed in the inside of central hand box;One end of heat dissipation pipeline is communicated inside shroud, and the other end is communicated to engine cabin, and exhaust fan is embedded in the inside of heat dissipation pipeline;The utility model proposes a kind of central hand box refrigeration structure, it is additionally equipped with semiconductor refrigeration module as auxiliary cold source, can carry out cold supplement to refrigeration space under the condition that vehicle is temporarily extinguished, effectively inhibits the temperature rise in refrigeration space, and reduces temperature fluctuation, guarantees the continuity and stability of refrigeration effect.

The application relates to the technical field of refrigeration equipment, and provides a refrigerator, which comprises a refrigeration chamber, a compressor and a heat conduction piece. A drain pipe is connected to a water outlet of the refrigeration chamber. A first end of the heat conduction piece is connected to the drain pipe, and a second end of the heat conduction piece is arranged corresponding to the compressor. The heat conduction piece is adapted to deform when the temperature is lower than a first preset temperature, so that the second end abuts against the compressor. The heat conduction piece is adapted to deform when the temperature is higher than a second preset temperature, so that the second end is separated from the compressor. When the temperature in the drain pipe is reduced to a certain temperature and ice is formed, the heat conduction piece can deform so that the second end abuts against the compressor, and the heat generated in the working process of the compressor can be conducted to the drain pipe to melt the ice. After the ice is melted when the temperature in the drain pipe rises to a certain temperature, the heat conduction piece deforms and resets so that the second end is separated from the compressor, thereby avoiding the influence on the temperature in the refrigeration chamber.

The present application relates to a kind of blast furnace slag heat recovery device and its use method, including recovery furnace, heat conducting mechanism and heat sending mechanism, the top of recovery furnace is provided with feed inlet, heat conducting mechanism is set in recovery furnace inside;When the heat energy remaining in the slag needs to be recovered in actual production use process, the slag can be poured into recovery furnace inside by feed inlet, and the slag reaches the temperature guide plate, and contacts with temperature guide column, then the flattening assembly can be run, so that the slag on the temperature guide plate is flattened by flattening assembly, so that the slag is fully contacted with temperature guide column, then temperature guide column absorbs the high temperature in collection chamber and slag, and heat sending mechanism is operated, so that heat sending mechanism removes the temperature under temperature guide column, and is discharged through heat exhaust port, and the hot air discharged from heat exhaust port is guided into the tuyere of blast furnace, so that the heat energy remaining in the slag can be recovered, avoid the heat energy of slag overflow to affect the temperature of surrounding, ensure the operating environment of worker, save resources.

The invention discloses an unmanned vending cabinet, which belongs to the technical field of unmanned vending cabinets, and comprises a base and a main body frame, an operation table is fixedly mounted at one end of the base, and a touch screen and an operation rocker are arranged on the operation table; a plurality of goods grooves and a discharging groove are formed in the upper end face of the base, a pre-storage groove is formed in one end of each goods groove, and an automatic goods supplementing mechanism is installed in each pre-storage groove. Compared with the prior art, the unmanned vending cabinet has the advantages that commodities are purchased in an operation grabbing mode, entertainment is enhanced, and the shopping experience of a user is improved; goods are temporarily stored in the pre-storage groove, and automatic replenishment is performed in the goods groove through the automatic replenishment mechanism in the pre-storage groove, so that the manual replenishment frequency can be greatly reduced, and the personnel cost is saved; manual replenishment can be completed through the replenishment channel on the premise that the cabinet door is not opened and cold air does not overflow, energy consumption is reduced, meanwhile, the interior of the cabinet is prevented from being polluted, and merchant operation and cost control are facilitated.

The invention discloses a movable organic liquid hydrogen storage tank. Comprising an outer box, a storage cavity is formed in the bottom of the outer box, a lead screw is rotationally connected into the storage cavity, a sliding block is in threaded connection with the lead screw, a connecting rod is rotationally connected to the bottom of the sliding block, a mounting plate is rotationally connected to the bottom end of the connecting rod, and trundles are arranged on the bottom face of the mounting plate. And the end part of the outer box is rotationally connected with a fixed frame. The hydrogen storage tank has the advantages that by arranging the outer box, the storage cavity, the lead screw, the sliding block, the connecting rod, the mounting plate, the trundles and other structures, when the hydrogen storage tank needs to be moved in a short distance, the lead screw is driven to rotate through the driving assembly, the lead screw drives the sliding block to horizontally move, and the sliding block drives the mounting plate to vertically move through the connecting rod; the mounting plate drives the trundles to move vertically to make contact with the ground and support the outer box, and then the outer box can be assisted in moving. And the hydrogen storage tank can be simply and quickly moved without calling external hoisting machinery, so that great convenience is provided for the use of the hydrogen storage tank.

The invention relates to the technical field of energy storage power supplies, in particular to a wide-temperature industrial mobile energy storage power supply which comprises a power supply shell, the power supply shell is of a hollow cavity structure, a circuit board is arranged in the cavity, and an energy storage power supply circuit is arranged on the circuit board. The energy storage power supply circuit at least comprises a power supply protection circuit, an on-off control circuit, a filter circuit, a voltage division circuit and a voltage stabilizing circuit, the power supply protection circuit is electrically connected with the on-off control circuit, the filter circuit and the voltage division circuit, and the voltage stabilizing circuit is electrically connected with the on-off control circuit, the filter circuit and the voltage division circuit. The automatic production line is simple in structure, reasonable in design, small in size, good in safety and large in temperature difference and needs to be moved without a power supply, power can be supplied to a high-precision inductor when a station moves, the discharge time of a capacitor can be adjusted, accuracy and stability are improved, manual operation is reduced, the workload of workers is reduced, and working efficiency is improved.

The utility model relates to the technical field of equipment transfer vehicles, and provides an equipment transfer vehicle suitable for fire scene complex terrain investigation, which comprises a box body, the rear side of the top of the box body is movably connected with a cover plate through a rotating shaft, and four corners of the bottom of the box body are fixedly connected with pulleys. Sliding rails are fixedly connected to the two sides of the bottom of an inner cavity of the box body, limiting holes are formed in the two sides of each sliding rail, sliding blocks are movably connected to inner cavities of the sliding rails, a connecting plate is fixedly connected between the tops of the two sliding blocks, and limiting blocks are fixedly connected to the two sides of the rear side of the top of the connecting plate. First teeth are arranged on the two sides of the bottom of the connecting plate, limiting assemblies are fixedly connected to the two sides of the bottom of the inner cavity of the box body, each limiting assembly comprises a clamping plate, and a positioning mechanism is fixedly connected to the front side of the top of the connecting plate. By means of the technical scheme, the problems that in the related technology, when an equipment transfer trolley transports equipment, the equipment is prone to jolting, and bumping is caused are solved.

The utility model discloses an efficient welding die for chip packaging, which relates to the technical field of welding dies and comprises a base station, two sliding grooves and two through grooves are formed in the top of the base station, the two through grooves are symmetrically formed in the two sides between the two sliding grooves, sliding blocks capable of sliding are arranged in the two sliding grooves and the two through grooves, and the sliding blocks are arranged in the two sliding grooves and the two through grooves. A mold positioning clamping seat is arranged at the top of the sliding block and is positioned at the top of the base table; a rotatable first two-way screw rod is arranged in the two sliding grooves, and the sliding blocks in the two sliding grooves are in threaded connection with the outer wall of the first two-way screw rod; a second two-way screw rod is arranged below the two through grooves, connecting seats fixedly connected with the bottom of the base table are arranged at the two ends of the second two-way screw rod, and the tops of the sliding blocks in the two through grooves extend to the position below the base table and are in threaded connection with the outer wall of the second two-way screw rod; the fixing device has positioning and fixing functions, is uniform in fixing force, is not easy to damage, and has a heat dissipation protection function.

The invention discloses a high-efficiency spiral food instant freezer which comprises a processing chamber, a condensation assembly arranged in the processing chamber and two spiral conveying pieces used in cooperation, the peripheries of the two spiral conveying pieces are jointly sleeved with an evaporator, and the invention relates to the technical field of quick freezing processing. According to the high-efficiency spiral food instant freezer and the using method thereof, through cooperation of the reciprocating driving assembly and the defrosting assembly, the surface of the spiral heat exchange pipe is wiped and defrosted in a reciprocating mode, in the defrosting process, the defrosting assembly is distributed in a step shape, it is guaranteed that frost wiped from the spiral heat exchange pipe can smoothly fall into the bottom of an inner cavity of a heat exchange cavity, and the defrosting efficiency is improved. The effect that falling frost and the spiral heat exchange pipe are effectively separated is achieved, under cooperation of the plugging assembly and the falling frost cleaning assembly, the falling frost at the bottom of the inner cavity of the heat exchange cavity is gathered and cleaned into the isolation cavity, the frost passing opening is plugged through the plugging assembly, and the influence of the gathered falling frost on the temperature of the heat exchange pipe is further avoided.

The invention relates to the technical field of silicon-manganese alloy processing, and discloses a dust removal device for a silicon-manganese alloy batching trolley, the dust removal device comprises a feeding trolley body, a plurality of weighing belt groups are mounted in the feeding trolley body, a partition plate is arranged in the feeding trolley body, and a transportation assembly convenient for the feeding trolley body to convey raw materials is mounted at the bottom of the feeding trolley body; at least one group of material conveying frames are hinged to the surface of the feeding trolley body, the feeding trolley body is connected with the material conveying frames through electric push rods, the interiors of the material conveying frames are communicated with the interior of the feeding trolley body, and a feeding block matched with the feeding port is fixedly connected to the side, away from the feeding trolley body, of each material conveying frame; and a detection cavity and an isolation cavity are formed in the feeding block. The dust removal process in the raw material discharging process and the high-temperature airflow spraying process in the furnace mouth opening process are separated, blocking is conducted through the air curtain, the problem that the temperature in the furnace is lowered due to dust removal is effectively solved, and the dust removal efficiency is improved to a certain degree.

The multi-cooking-cavity air fryer comprises a fryer body, the fryer body is provided with an inner container installation cavity, a first opening is formed in one side of the inner container installation cavity, the fryer body is provided with a door body, a plurality of inner containers are arranged in the inner container installation cavity, each inner container comprises a first inner container wall, a second inner container wall and a third inner container wall, and the first inner container wall, the second inner container wall and the third inner container wall are sequentially connected. The first inner container wall and the third inner container wall are oppositely arranged along the height or width direction of the inner container mounting cavity; when the door body closes the first opening, an independent cooking cavity is defined by the first inner container wall, the second inner container wall, the third inner container wall, the inner wall of the inner container mounting cavity and the door body; a hot air assembly is arranged in the pot body. According to the utility model, the plurality of cooking cavities are realized by arranging the plurality of inner containers, so that the cooking cavities are more independent, and the mutual influence between the cooking cavities can be effectively reduced, for example, the odor tainting between the cooking cavities can be avoided, and the temperature influence between the cooking cavities can be avoided.

The invention discloses a high-temperature roasting furnace for quartz sand processing, and relates to the technical field of quartz sand processing, the high-temperature roasting furnace comprises a furnace body, a fixing frame and a processing mechanism are installed on the left side of the furnace body, the processing mechanism comprises a processing cylinder, a blocking inclined plate, an extrusion roller and a rotating rod, and the processing cylinder is movably installed in the furnace body; and a rotating rod is movably mounted in an inner cavity of the processing cylinder. By means of the processing mechanism and the heating mechanism, materials in the furnace body can be heated, meanwhile, the materials can be driven to rotate and roll in different directions, the materials and hot air flow are fully mixed, the processing efficiency is improved, the materials can be extruded in an extrusion mode, the materials are crushed, and the processing efficiency is improved. And after crushing, the materials are more fully contacted with hot air flow, so that the processing efficiency is further improved.

The utility model discloses high-viscosity modified emulsified asphalt cold regeneration equipment which comprises a first fixed seat, the side surface of the first fixed seat is fixedly connected with a motor, the output end of the motor is fixedly connected with a first barrel, and the outside of the first barrel is in transmission connection with a conveying belt; and the upper surface of the rack is fixedly connected with a first stirring bin and a second stirring bin, the side surfaces of the second stirring bin are each fixedly connected with two second driving motors, and the output ends of the two second driving motors are fixedly connected with a stirring shaft. By means of the structure, asphalt is conveyed to the first stirring bin through the conveying mechanism to be mixed, the heating device is installed on the water pipe, the situation that the emulsified asphalt becomes sticky due to temperature reduction in the mixing process of the emulsified asphalt is prevented, a heat dissipation structure is additionally arranged on the stirring shaft, and the influence of the temperature is prevented; and the flowing speed and direction of the materials can be changed, so that the interaction between the materials is facilitated, and the mixing uniformity is improved.

The invention relates to the technical field of coal mills, and discloses a coal mill dynamic and static ring structure which comprises a dismounting mechanism, a fixing mechanism is arranged at the bottom of the dismounting mechanism, a cooling mechanism is arranged on the right side of the dismounting mechanism, and the bottom of the cooling mechanism is fixedly connected with the fixing mechanism; the dismounting mechanism comprises a coal grinding barrel, a static ring is arranged in the coal grinding barrel, an extension plate is fixedly connected to the bottom of the static ring, an insertion ring is fixedly connected to the bottom of the extension plate, a connecting ring is fixedly connected to the bottom of the inner wall of the coal grinding barrel, an insertion groove is formed in the connecting ring, and the insertion groove is matched with the insertion ring. According to the dynamic and static ring structure of the coal mill, the structure is fixed in the connecting ring at the bottom of the inner wall of the coal milling barrel through the inserting ring at the bottom of the extending plate at the bottom of the static ring, and the problems that a gap between the dynamic ring structure and the static ring structure is increased due to abrasion, and structure operation is affected are solved; and the internal movable and static rings are inconvenient to check or replace.

The utility model discloses a negative pressure formation and capacity grading all-in-one machine, which comprises a cabinet, a needle bed, a heating assembly and a heat dissipation fan, a formation storage location and a capacity grading storage location are arranged in the cabinet, the formation storage location is arranged above the capacity grading storage location, a heat insulation plate is arranged between the formation storage location and the capacity grading storage location, and the heat dissipation fan is arranged on the heat insulation plate. The needle beds are arranged in the formation storage location and the capacity grading storage location, the heating assembly is arranged at the upper end of the formation storage location, the heating assembly is communicated with the formation storage location, and the cooling fans are arranged on the two sides of the capacity grading storage location. According to the formation and capacity grading all-in-one machine, the heating assembly capable of circulating hot air is adopted, the temperature control efficiency is effectively improved, the temperature of the formation storage location can be prevented from influencing the temperature of the capacity grading storage location, and the formation and capacity grading efficiency is effectively improved.

This utility model discloses a fastening pin assembly for a kiln pressure gate, including a valve body, a pin slidably connected to the valve body, a valve plate inside the valve body, a receiving hole on the pin, a limiting rod inside the receiving hole, a sliding rod slidably connected inside the pin, an inclined block inside the limiting rod, the sliding rod cooperating with the inclined block, a pin groove on the valve plate, a limiting groove inside the pin groove, the limiting rod cooperating with the limiting groove, a first support frame and a second support frame on the valve body, a first pressure spring between the pin and the first support frame, and a second pressure spring between the second support frame and the sliding rod, and the second pressure spring is located within the first pressure spring. This device provides more stable and faster positioning and is convenient to use.

The utility model provides a reinforced commercial cabinet freezer defrosting structure which comprises a main body assembly, and the main body assembly comprises an air duct, a cover plate, a sliding groove and a first wind shield. A driving assembly is arranged at the top of the cover plate and comprises a driving box, a supporting plate, a motor, a lead screw, a sliding block and a second wind shield. The evaporator is used for refrigeration, cold air is generated to reduce the temperature in the cabinet freezer, when the surface of the evaporator is frosted, the fan stops working, the heater is used for heating and defrosting, the motor drives the lead screw to rotate in the defrosting process, the second wind shield moves downwards along the sliding groove, the evaporator is half-wrapped, and the defrosting effect is good. Meanwhile, the heater starts to heat, hot air rises to the top of the evaporator and gathers at the top of the evaporator to heat upper-layer air, so that frost on the surface of the upper-layer evaporator is removed, heat for heating the evaporator can be prevented from being transferred into the cabinet to affect food material preservation, heat of the heater is fully utilized, and heat waste is reduced.

The utility model discloses an automatic exhaust device for hydrogen production equipment, and belongs to the technical field of hydrogen production. The automatic exhaust device comprises a first pipeline, a second pipeline, a third pipeline and a pressurizing pipe which are communicated in sequence and are vertically arranged; a water inlet is formed in one end, opposite to the second pipeline, of the first pipeline, and a heating piece is inserted into the first pipeline so as to heat pure water; a waterproof ventilation valve communicated with the second pipeline is arranged at the top of the second pipeline; the third pipeline and the first pipeline are both positioned below the second pipeline; the height of the end, back on to the third pipeline, of the pressurizing pipe in the vertical direction is larger than that of the second pipeline. According to the automatic exhaust device for the hydrogen production equipment provided by the embodiment of the utility model, bubbles existing in pure water or bubbles generated in a subsequent heating process can be automatically eliminated in advance, so that the performance of the hydrogen production equipment is accurately evaluated.

The invention relates to the technical field of wire and cable manufacturing, in particular to a wire hardness testing device and a wire hardness testing method. The testing device comprises a supporting plate, the supporting plate is perpendicular to the horizontal plane, a testing assembly is arranged on the supporting plate, the testing assembly comprises a semicircular protractor arranged on the supporting plate, the semicircular protractor comprises a straight edge and an arc-shaped measuring edge, the straight edge is parallel to the horizontal plane, and the arc-shaped measuring edge is close to the bottom edge of the supporting plate; a first positioning piece is arranged in the middle of the straight edge and is used for fixing the middle of a to-be-detected wire; second positioning pieces are respectively arranged at two ends of the straight edge and are used for fixing and tensioning two ends of the to-be-tested wire rod; when the to-be-measured wire is processed by extreme conditions and is separated from the second positioning piece, the weights are hung at the two ends of the to-be-measured wire to enable the to-be-measured wire to droop, and the semicircular protractor displays the droop degree of the to-be-measured wire.