33results about How to "Increase effective volume" patented technology

The utility model belongs to the technical field of biodegradation treatment devices, and particularly relates to a closestool with an opening and closing baffle, which is provided with a closestool outer shell and a closestool seat ring, a closestool stirring cabin is arranged in the closestool outer shell, the closestool seat ring is hinged above the closestool stirring cabin, and the closestool is characterized in that at least one stirring shaft is arranged in the closestool stirring cabin; an opening and closing baffle mechanism used for blocking the closestool stirring cabin is arranged at an opening of the closestool stirring cabin, when a user sits on the closestool seat ring, the opening and closing baffle mechanism is opened, and when the user stands up, the opening and closing baffle mechanism is closed; the device has the beneficial effects that the device can still be used under the condition of power failure, the impression experience of use can be improved, the degradation efficiency is improved and the like.

The invention relates to the technical field of engines, in particular to a methanol engine fuel cabin which comprises a fuel cabin body and a mounting plate located at the upper end in the fuel cabin body, at least two circles of strip-shaped through holes evenly distributed along the circumference are formed in the mounting plate, and sliding parts are arranged in the strip-shaped through holes in a sliding mode. A vibration rod of which the bottom end extends to the bottom surface of the fuel cabin body is fixedly arranged on the sliding part in a penetrating manner; an ultrasonic generator for driving the vibrating rods to vibrate at high frequency is fixedly arranged at the center of the mounting plate in a penetrating manner; a transmission piece for connecting the top of the ultrasonic generator with the top ends of the vibrating rods is arranged between the top of the ultrasonic generator and the top ends of the vibrating rods; the top of the ultrasonic generator is further provided with a first driving mechanism used for driving the multiple vibration rods to move in the radial direction of the mounting plate. According to the fuel cabin, the vibration rod and the ultrasonic generator are arranged, methanol fuel is always kept in a uniform mixing state through the vibration rod which vibrates at high frequency, precipitation and layering are avoided, natural circulation flowing of the methanol fuel in the cabin is promoted, and the uniformity of the fuel is kept.

The present invention provides a transport vehicle body with a lifting platform, comprising: a vehicle body having a base frame and a bottom plate laid on the base frame; a lifting platform that can be lifted and lowered in the vehicle body; a plurality of lifting drive devices that are used to drive the lifting platform to rise and fall; and a plurality of support structures that are supported between the base frame and the lifting platform. By providing a plurality of support structures that are supported between the base frame and the lifting platform, the support for the lifting platform is increased, which is beneficial to improving the stability of the lifting platform after it is raised and ensuring the reliability of use; and by installing the support structure on the base frame, the force performance is guaranteed and a stable supporting force can be provided. And the lower mounting seat is arranged on the base frame, and a port is opened on the bottom plate; so that when the lifting platform is in a grounded state, the lifting platform can land on the bottom plate, which is beneficial to increase the effective volume in the vehicle body.

This utility model discloses a sealed food storage container, including a container body, a lid that fits with the container body, and a flexible sealing ring. The lid is a downward-opening cover structure. An annular groove with the opening facing downwards is provided around the outer edge of the container body's opening. The upper part of the sealing ring is embedded in the annular groove, while the lower part of the sealing ring protrudes outside the annular groove, sealing with the inner wall of the lid when the lid is placed on the container body's opening. This sealed food storage container achieves a seal while preventing the sealing ring from contacting the food inside the container, thus effectively preventing food stains from remaining on the sealing ring and preventing contamination of the food inside the container. Therefore, frequent disassembly and cleaning of the sealing ring is unnecessary, reducing the user's maintenance burden. Furthermore, since the edge of the lid and the sealing ring are not located within the internal space of the container body, the container body can achieve a larger effective volume with the same external dimensions, fully accommodating food and improving its internal space utilization.

The invention discloses a manufacturing method of a continuous authigenic magnetic ceramic coating of a light-weight energy-saving ball mill, and belongs to the technical field of ore grinding. The manufacturing method of the continuous authigenic magnetic ceramic coating of the light-weight energy-saving ball mill comprises the following steps: paving a layer of magnetic lining plate on the inner wall of the ball mill to form a magnetic lining ball mill; iron, ceramic balls and steel balls are added into the magnetic lining ball mill to form a magnetic ceramic ball mill for initial ball loading, the magnetic ceramic ball mill is connected to a production process, and the waveform grid magnetic ceramic coating is naturally formed after an adsorption period of 3-6 months. The problems that an existing ball mill lining plate is short in service life and low in ball mill operation rate and ore grinding efficiency are solved, the wave-shaped grid magnetic ceramic coating is naturally formed through the adsorption effect of the magnetic lining plate, good abrasion resistance and corrosion resistance are achieved, no complex technology exists in the process, operation steps are simplified, and the production cost is reduced. And the plating layer can be continuously self-generated to counteract abrasion consumption, and the ultra-long service life is achieved

The utility model relates to refrigeration equipment which comprises a box body, a refrigeration chamber, an air valve assembly and a refrigeration system, the box body comprises an equipment chamber and a storage chamber, and the equipment chamber is located above the storage chamber; the refrigeration chamber is arranged in the equipment chamber, and a communication channel is arranged between the refrigeration chamber and the storage chamber; the air valve assembly is used for controlling opening and closing of the communication channel; the refrigerating system comprises a compressor, a first heat exchanger and a second heat exchanger which are sequentially connected through a refrigerating pipeline, the second heat exchanger is arranged in a refrigerating chamber, in the actual defrosting process, the air valve assembly closes a communicating channel, and an air supply piece beside the second heat exchanger (evaporator) is in a shut-off state; forced convection does not occur between the refrigeration chamber and the storage chamber, heat exchange between the refrigeration chamber and the storage chamber can be effectively isolated, temperature rise of the storage chamber in the defrosting process is reduced, additional refrigeration operation is not needed, and more energy is saved.

The invention discloses a hydraulic system for continuous working of a movable hydraulic clamp, which comprises an oil supply part and a clamping control part, and the oil supply part provides oil for the clamping control part. The oil supply part and the clamping control part can be selectively separated; the clamping control part comprises a clamp oil cylinder, a one-way valve, an energy accumulator and an oil receiving tank; the one-way valve is connected with the clamp oil cylinder through a second oil way, and a three-position four-way reversing valve and an oil cylinder reversing valve are installed on the second oil way. The one-way valve is connected with the energy accumulator through an oil path III; the one-way valve is connected with the oil receiving tank through a fourth oil way, and a liquid flow valve is installed on the fourth oil way. And the oil receiving tank and the one-way valve are respectively connected with the oil supply part through respective oil paths. Continuous multi-time clamping can be completed, and light and heavy clamping can be achieved for workpieces with different thicknesses and hardness.

The present invention relates to a battery module, and aims to provide a battery module that ensures a path for discharging gas to the outside in an abnormal situation and reduces the volume occupied by the path in normal times. The battery module (10) of the present invention includes: a battery stack (13); a battery cooling duct (11), in which air for cooling the battery stack (13) flows; and a gas exhaust duct (12), in which gas generated from the battery stack (13) flows. In addition, in the battery module (10), the middle part of the gas cooling duct (11) is built into the gas exhaust duct (12) in a reduced diameter state.

The application relates to the field of refrigerator refrigeration compressor motors, and is a refrigerator motor stator and a motor manufacturing process method, which comprises a stator core and a coil, the stator core is formed with a core slot, the coil is arranged in the core slot and covers the upper and lower two end faces of the stator core, the upper and lower two end faces of the stator core and the inner surface of the core slot are uniformly sprayed with an insulating material film, the film thickness is between 0.15-0.25 mm, and the part of the coil extending to the outside of the core slot is attached to the upper and lower end faces of the core. According to the application, the insulating paper in the wire slot is replaced by the sprayed insulating film, meanwhile, the upper and lower end faces of the stator core are also sprayed with the insulating film, the part of the coil extending to the outside of the wire slot can be closer to the upper and lower end faces of the stator core or attached to the end faces of the core, and therefore the length of the coil in the core is shortened.

The invention relates to the technical field of non-ferrous metal smelting, and aims to provide a method for prolonging the service life of a reverberatory furnace, the reverberatory furnace comprises a furnace body, a flame nozzle is arranged on the side edge of the furnace body, and the method specifically comprises the following steps: 1) adjusting the diameter of the flame nozzle from 250 mm to 280 mm; (2) the horizontal included angle between the flame nozzle and the furnace body is adjusted from 9 degrees to 12 degrees; and the mounting height of the flame nozzle on the furnace body is adjusted from 2165mm to 1850mm. The flame nozzle is optimized and modified, so that scouring of reducing high-temperature flue gas to the furnace top is reduced, the service life of the reverberatory furnace top is prolonged, the flue gas is more effectively in contact with materials in the furnace, formation of furnace hearth caking is avoided, the effective volume of a molten pool is enlarged, meanwhile, the flue gas is directly in contact with the materials, and it is guaranteed that the reducing atmosphere in the furnace is fully used; and the high-temperature precipitation time is prolonged while the material melting time is shortened, and the lead content of matte is reduced.

This invention discloses a method for rapidly adjusting the furnace conditions of a lean-burn electric arc furnace, belonging to the field of pyrometallurgical nickel smelting technology. The method includes: measuring the height of the frozen layer inside the lean-burn electric arc furnace; when the frozen layer height is greater than 650 mm, simultaneously implementing coordinated control operations to reduce the slag oxidation depth (making the converter slag magnetic iron content <25%) and increase the reducing agent addition rate of the lean-burn electric arc furnace; after adjustment, measuring again, if the frozen layer height is less than 600 mm, restoring to normal process parameters; otherwise, repeating the adjustment until the target is met. This invention establishes a rapid response and upstream-downstream coordination mechanism based on the frozen layer as a criterion, which can effectively reduce the magnetic iron content in the slag, quickly eliminate excessively thick frozen layers, significantly improve slag fluidity, and ensure the stable and efficient operation of the lean-burn electric arc furnace system.

The invention provides a refrigerator and a temperature controller thereof, the temperature controller comprises a fixed main body, a purification cover body and a purification module, the purification cover body covers the front part of the fixed main body so as to define a first mounting cavity together with the fixed main body, a plurality of air holes are formed in the purification cover body, and the purification module is arranged in the first mounting cavity; and the air purifier is configured to purify peculiar smell molecules in air entering the first mounting cavity through the air holes. The temperature controller is integrated with the purification module, the functionality of the temperature controller is enriched, an independent purification module can be omitted, the effective volume of a storage chamber is increased, the number of modules is reduced, the installation efficiency is simplified, and the temperature controller is quite suitable for refrigerators with small volumes such as a single door, two doors and three doors.

The present invention discloses a refrigerator, the box of which is divided into a freezing chamber and a refrigerating chamber located at the top and arranged on the left and right, and a variable temperature chamber located at the bottom, an evaporator bin is arranged at the back of the freezing chamber, and a main circulation air duct cavity is arranged in front of the evaporator bin, characterized in that a centrifugal fan is arranged on the main circulation air duct cavity, an air duct sink cavity is arranged on the top side of the main circulation air duct cavity, an air outlet for supplying air to the refrigerating chamber is arranged on the side wall of the air duct sink cavity, the main circulation air duct cavity also includes a freezing chamber air duct and a variable temperature chamber air duct, and the cross-sectional area of ​​the variable temperature chamber air duct is larger than the cross-sectional area of ​​the freezing chamber air duct. The three compartments of the refrigerator of the present invention share one evaporator and one centrifugal fan to realize temperature control within the interval, and through reasonable air duct design, the product material cost is reduced, the effective volume of the refrigerator is increased, and the noise of the whole machine is reduced.

The utility model relates to the technical field of ore dressing and grinding, in particular to an ore grinding grading system which comprises a vertical spiral stirring mill, an overflow port of the vertical spiral stirring mill is communicated with one end of an overflow box through an overflow inclined pipe, and an overflow hole plate perpendicular to the flowing direction of mineral powder is arranged in the overflow box. The other end of the overflow box is communicated with a pump pool through a discharging device, an ore feeding pipe is arranged at the top end of the pump pool, the bottom of the pump pool is communicated with a swirler through a slurry pump, and a desilting opening in the bottom of the swirler is communicated with a feeding opening in the bottom of the vertical spiral stirring mill. The overflow liquid level of the vertical spiral stirring mill can be increased, the effective volume of the vertical spiral stirring mill can be increased, the filling rate of the vertical spiral stirring mill is increased, the ore grinding effect is improved, small-diameter lost round steel balls can be effectively prevented from entering subsequent process equipment of a system through blocking of the overflow pore plate, production operation is guaranteed, and the ore grinding effect is improved.

The utility model provides a heat preservation box for cold chain distribution, and relates to the technical field of cold chain distribution, the heat preservation box comprises a box body, a heat preservation layer is attached to the inner surface of the box body, a cleaning layer is attached to the inner surface of the heat preservation layer, the cleaning layer is provided with a turnover edge, the turnover edge is provided with a first fastening screw, and the turnover edge is provided with a second fastening screw. The cleaning layer is fixed on the box body through the first fastening screws; a box cover is hinged to the box body, a second fastening screw is arranged on the lower surface of the box cover, an elastic net is fixed to the lower surface of the box cover through the second fastening screw, and a phase change cold storage agent is placed in the elastic net; a temperature sensor is arranged on the box body, the temperature sensor is electrically connected with a display screen arranged on the box cover, the temperature sensor detects the temperature of the box body in real time, and the temperature is displayed through the display screen in real time. The heat preservation box has the advantages of being light in weight, long in heat preservation time, capable of monitoring the temperature in the heat preservation box in real time and reminding delivery personnel when the temperature is too high and convenient to clean.

The present invention discloses a hybrid structure frame for a semi-trailer, wherein the plate beam frame at the traction pin adopts a double web structure, and the two longitudinal beams at the plate beam frame at the traction pin have the traction plates covering them as their lower wing plates, and a plurality of groove-shaped reinforcements are arranged between the two longitudinal beams, and the distance between the wing plates on the longitudinal beams or the upper cover plates on the traction pins and the traction plates is less than 90 mm; the through-type cross beams transversely penetrate the webs of the two longitudinal beams of the trapezoidal frame; the upper wing plates of the longitudinal beams at the plate beam frame part at the traction pin are wider than the upper wing plates of the trapezoidal frame part. The semi-trailer transport container of the present invention, which uses the plate beam frame with a total height of 88 mm of the plate beam structure at the traction pin as the skeleton, reduces the center of gravity height of the train by at least 100 mm, greatly reduces the total height of the train operation, and improves the driving stability and safety; in the transportation of large semi-trailer boxes and box-type semi-trailers, the effective volume is greatly increased, and the transportation efficiency is improved; and the transportation of international sea 40-foot standard containers is achieved without overheight.

This utility model relates to the technical field of refrigeration, and proposes a refrigeration unit and its refrigeration cabinet. The refrigeration unit includes a fixed assembly with a built-in refrigeration duct, and a compressor condenser assembly and a heat exchanger air supply assembly housed within the fixed assembly. The compressor condenser assembly is located outside the refrigeration duct, and the heat exchanger air supply assembly is located inside the refrigeration duct, thus integrating the compressor condenser assembly and the heat exchanger air supply assembly into a single, integrated refrigeration unit. By using the fixed assembly with the built-in refrigeration duct as an overall frame, the compressor condenser assembly and the heat exchanger air supply assembly are integrated within the fixed assembly. Compared to traditional separate installations, this integrated design significantly simplifies the installation process of the refrigeration unit and reduces installation complexity.

The invention relates to the technical field of refrigerators, and provides a large-volume refrigerator which comprises a refrigerator body, and an inner container is arranged in the refrigerator body. A heat insulation layer is arranged between the box body and the inner container; at least one layer of partition plate piece is arranged in the inner container; storage chambers are formed in the upper side and the lower side of the partition plate piece. An air inlet and an air return opening are formed in the partition plate piece; an evaporator chamber provided with an evaporator is arranged in the storage chamber on the lowermost layer; an air supply opening and an air return opening are formed in the side wall of the evaporator cavity. Therefore, the air inlet and the air return port are formed in the partition plate piece, refrigeration airflow circulation of all storage chambers of the refrigerator is achieved, an air duct structure on the rear wall of the inner container is replaced, the volume release is converted into the storage volume, the effective volume of the refrigerator and the depth of the storage chambers are increased, and the use performance and the experience feeling of customers are improved.

The invention discloses a novel dry process cement kiln using an external decomposition furnace to reduce NOx emission technology, belonging to the technical field of cement production, including an original cement rotary kiln system and an external decomposition furnace system, wherein the original cement rotary kiln system includes an original decomposition furnace and a kiln tail smoke chamber, wherein the output end of the kiln tail smoke chamber is fixedly connected to the input end of the original decomposition furnace. The invention uses a pulverized coal burner installed on one side of the external decomposition furnace to facilitate mixing pulverized coal with high-temperature flue gas discharged from the inside of the cement rotary kiln, and burning to produce CO and H2 under the regulation of lack of oxygen, and uses CO and H2 as reducing agents to reduce NOx in the high-temperature flue gas generated by the cement rotary kiln, and uses a distributing valve installed to control the flue gas temperature in the external furnace by adjusting the amount of pulverized coal fed, and uses a decomposition furnace shrinkage gate valve installed to extend the contact time of pulverized coal with high-temperature flue gas under the condition of lack of oxygen, thereby improving the NOx reduction efficiency, reducing the NOx emission, and increasing the effective volume of the decomposition furnace.

The utility model discloses a water tank template with good distortion resistance, which comprises a main plate body, the peripheral side edge of the main plate body is provided with a frame extending towards the same side surface of the main plate body, and the main plate body is provided with a plurality of X-shaped reinforcing grooves or cross-shaped reinforcing grooves at intervals along the longitudinal length direction. The main plate body is further provided with a plurality of first transverse reinforcing grooves used for separating every two adjacent X-shaped reinforcing grooves or cross-shaped reinforcing grooves. The X-shaped reinforcing grooves or the cross-shaped reinforcing grooves and the first transverse reinforcing grooves which are alternately formed in the main plate body in the longitudinal length direction are staggered, complemented and reinforced, so that the stress balance performance, the external force impact resistance and the distortion resistance of the water tank template when the water tank template bears external water pressure or buried soil pressure are remarkably improved; the problem that a traditional water tank formwork is prone to local deformation when bearing water pressure or buried soil pressure is solved. The water tank formwork is formed by the same metal plate in a mold pressing and stretching mode, no welding joints exist on the whole, corrosion resistance is good, and the service life of the metal plate assembly type water tank can be greatly prolonged.

The utility model relates to refrigeration equipment, which comprises a box body, a refrigeration chamber and a refrigeration system, the box body comprises an equipment chamber and a storage chamber, the equipment chamber is positioned above the storage chamber, and the effective volume of the storage chamber is increased, so that the storage of more articles is facilitated; the refrigeration chamber is arranged in the equipment chamber, and a communication channel is arranged between the refrigeration chamber and the storage chamber; the refrigerating system comprises a compressor, a first heat exchanger and a second heat exchanger which are sequentially connected through a refrigerating pipeline, and the second heat exchanger is arranged in the refrigerating chamber; in the defrosting process, the temperature in the refrigeration chamber rises, the high-temperature airflow naturally floats upwards, and the low-temperature airflow in the storage cavity naturally sinks, so that heat exchange between the refrigeration chamber and the storage cavity can be effectively reduced, the temperature rise of the storage cavity in the defrosting process is reduced, additional refrigeration operation is not needed, and more energy is saved.

This utility model provides a door assembly and a steam oven including the same. The door assembly is used in the steam oven and includes a door and a water tank. The door is used to open or close the steam oven, and the water tank is installed on the door and located inside the steam oven. The door is made of a high-temperature resistant transparent material so that the user can observe the water level in the water tank from the outside of the steam oven. The transparent material of the door makes the water tank visible, reminding the user to add water before cooking, effectively avoiding interruptions in cooking due to lack of water. The integrated design of the door and water tank utilizes the heat that would otherwise be lost at the door, serving as preheating water and improving energy efficiency. At the same time, the high specific heat capacity of water can act as insulation, reducing the temperature of the outer surface of the door. In addition, the installation method of the water tank does not occupy the cooking cavity space of the steam oven, increasing the effective volume of the cooking cavity and making the whole machine more compact.

The utility model relates to the technical field of snowflake salt tests, in particular to a snowflake salt brine water content basic experiment table which comprises a test bed plate. The device further comprises a snowflake salt brine storage tank, a water baffle, a sealing gasket, a sealing groove, an open groove, a grip, a rotating shaft, an inner screw head and an outer screw rod. According to the snowflake salt brine storage tank, the water baffles with the corresponding number are lifted upwards through the grips with the corresponding number until the inner screw head moves to the bottom end of the outer screw rod, then the inner screw head is rotated to enable the outer screw rod to be screwed into the inner screw head, and therefore the lifted water baffles are fixed, and the volume of the snowflake salt brine storage tank is increased; the inner screw heads with the corresponding number are rotated, so that the outer screw rods are screwed out from the interiors of the inner screw heads, at the moment, the water baffle falls down due to the gravity of the water baffle till a sealing gasket at the bottom of the water baffle is clamped into a sealing groove, the interior of the snowflake salt brine storage tank is partitioned through the water baffle, and the function of quantitative water storage is achieved.

A dehumidifier, which comprises a casing, a refrigeration system and a water tank; the casing is internally provided with a containing space, the top surface of the casing is downwardly extended to be provided with a receiving cavity, the receiving cavity is arranged above the containing space, the refrigeration system is arranged in the containing space, and the refrigeration system comprises a compressor, a condenser and an evaporator; the water tank is upwardly and downwardly arranged in the receiving cavity; the water tank comprises a tank body, a handle and a handle, the inside of the tank body is provided with a water storage cavity; a tank cover is arranged on the top surface of the tank body and covers the top of the water storage cavity; the handle is arranged on the tank cover; a gap area is arranged on the tank cover, and the handle is upwardly and downwardly arranged in the gap area; the upper end of the handle is exposed on the top surface of the tank cover, and the lower end of the handle is arranged in the water storage cavity. The water tank is upwardly and downwardly arranged in the receiving cavity of the casing, so that the problem that the user needs to squat to take the water tank in the related dehumidifier can be solved. The handle of the water tank can be upwardly and downwardly lifted, so that the overall occupied space of the dehumidifier is reduced.

The utility model provides a mobile energy storage container and a mobile energy storage vehicle. The mobile energy storage container comprises a frame and a container door assembly, a containing space is formed in the frame, and the frame comprises an upper side beam and a lower side beam which are located on the same side of the containing space. The box door assembly comprises a door frame and a door body, the door frame comprises an upper door beam, a lower door beam and two vertical beams, the upper end face of the upper door beam abuts against and is connected to the upper side beam, and the lower end face of the lower door beam abuts against and is connected to the lower side beam; the two vertical beams are located at the two ends of the upper door beam and the lower door beam respectively to support the upper door beam and the lower door beam. The door body is rotationally connected to the vertical beam so that the door frame can be covered with the door body. The outer surface of the door body is closer to the center of the frame than the outer surface of the upper side beam and the outer surface of the lower side beam, so that the movable energy storage container is reasonable in layout. The distance from the peripheral side wall of the mobile energy storage container to the center of the mobile energy storage container is effectively increased, the effective volume of the mobile energy storage container is increased, and the space utilization rate of the mobile energy storage container is increased.

The invention discloses wastewater treatment equipment for paper tube production and a treatment method of the wastewater treatment equipment, and relates to the technical field of .The wastewater treatment equipment comprises a barrel mechanism, a rotating mechanism, a switching mechanism, a vibrating mechanism and a discharging mechanism. To-be-treated liquid enters a barrel through a liquid inlet barrel, then liquid medicine is added, a first gear is driven by a motor to rotate, and the first gear is driven by a motor to rotate; a first gear drives a second gear to rotate and revolve along an inner gear ring, the second gear rotates to drive a meshing sleeve to rotate and move up and down along a first lead screw, and the meshing sleeve drives a first telescopic cylinder and a second telescopic cylinder to rotate telescopically, so that a driving shaft and a first connecting shaft are driven to move up and down; the driving shaft moves up and down and rotates to drive the stirring frames to fully stir and react liquid and liquid medicine in the barrel, the driving shaft moves downwards to enter the meshing barrel to drive the interval tooth frames to rotate, the interval tooth frames drive the meshing teeth to rotate along the rotating shafts to enable the rotating frames to be far away from each other, the filtering frames are opened, and therefore the liquid obtained after stirring reaction is filtered.

This invention discloses a control ball valve and a fertilization device, comprising: a valve body having a valve core cavity inside, the valve body having an inlet, a first outlet, and at least one second outlet communicating with the valve core cavity; a valve core rotatably mounted within the valve core cavity; the valve core including a hemispherical shell and a side stop arm, the hemispherical shell having a water passage hole corresponding to the first outlet, and the side stop arm connected to the side of the hemispherical shell away from the water passage hole; by rotating the valve core, the overlap between the side stop arm and the second outlet can be adjusted to control the opening degree of the second outlet. Compared with existing ball core structures, this solution's valve core, while ensuring normal adjustment function, achieves material reduction through degumming, reducing valve core material consumption and lowering costs, while simultaneously increasing the effective volume within the valve core cavity and enhancing the pressure-holding effect.

The invention discloses a manufacturing method of a dumper sideboard. The manufacturing method comprises the steps that the dumper sideboard is manufactured; the dumper sideboard comprises a sideboard body made of NM450 materials, at least two wedge-shaped grooves protruding outwards are transversely formed in the inner side of the upper middle portion of the sideboard body, and the width of the groove bottom, protruding outwards, of each wedge-shaped groove is smaller than that of an opening. The lower portion of each wedge-shaped groove is connected with the upper portion of the next wedge-shaped groove, so that the two connecting positions are V-shaped grooves protruding inwards, the top ends of the sharp portions of the V-shaped grooves and the inner side of the side plate body are located on the same plane, and the middle V-shaped groove protruding inwards is formed in the maximum stress position when a carriage is in a full-load state. The lower parts of the two side plate bodies form inward transition sections connected with the bottom plate through at least two bending creases from the vertical surfaces to the horizontal surfaces at the bottoms; the preparation method comprises the following steps: S1, blanking; s2, pressing a reverse V-shaped groove; and S3, pressing creases. Compared with the prior art, the problems that an existing dumper carriage is large in weight and small in effective size can be solved.

The utility model relates to the field of electrical equipment, in particular to refrigeration equipment which comprises a box body, a fan assembly and an evaporator, the fan assembly is installed in the box body and comprises a fan shell and a centrifugal fan, an air inlet is formed in the front side of the fan shell, and an air outlet is formed in the lower side of the fan shell; the evaporator is located under the air outlet, a separation part is formed above the evaporator, and at least part of the separation part extends into the air outlet and is used for separating the air outlet into a front part and a rear part so that airflow output from the air outlet can be conveyed downwards in parallel along the two sides of the evaporator; after the centrifugal fan is started, airflow is output from the air outlet and conveyed along the surface of the evaporator from the front side and the rear side of the evaporator according to the target proportion; the heat exchange efficiency of the evaporator is improved, and the air volume ratio of the two sides of the evaporator is stable and uniform.

The utility model discloses an atomizer and an atomizing device, and belongs to the technical field of atomizing equipment. The atomizer comprises a suction nozzle and an atomization assembly. The atomization assembly is provided with a first liquid storage cavity, a collecting cavity and a first air pressure adjusting groove. The first air pressure adjusting groove communicates with the collecting cavity and the first liquid storage cavity, the collecting cavity communicates with the external space of the atomizer through the first air pressure adjusting groove and the first liquid storage cavity, and the first air pressure adjusting groove is formed in the cavity wall of the side, away from the suction nozzle, of the collecting cavity. According to the atomizer provided by the invention, the leaked atomization substrate can be temporarily stored in the collection cavity; the atomization assembly is provided with a first air pressure adjusting groove, so that the air pressure in the collecting cavity can be kept balanced with the external air pressure; the first air pressure adjusting groove is formed in the cavity wall of the side, away from the suction nozzle, of the collecting cavity, more leaked atomization matrixes can be stored in the collecting cavity, and therefore the risk of leakage of the atomization matrixes is reduced.