16results about How to "Improve the cooling effect" patented technology

The invention discloses a site construction method for a perlite heat insulation layer of an LNG storage tank, and relates to the technical field of LNG storage tanks, and the site construction method comprises the following steps: step 1, increasing the number of perlite filling ports at the top of the tank, reducing a repose angle to 22 degrees when a connecting pipe is poured, and reducing gaps and uneven density; step 2, drying and replacing the perlite filler so as to reduce the moisture and oxygen content of the perlite filler; 3, the dried and replaced perlite filler is fed into perlite filling openings for filling, perlite is fed into a storage tank in a gas driving mode in the perlite filling process, in order to guarantee the online perlite filling effect and filling safety, the number of the filling openings is increased, the filling quality of expanded perlite is improved, and the production cost is reduced. The conditions of gaps and non-uniform density are reduced, so that the cold insulation effect is improved, the evaporation rate of the LNG storage tank is reduced, and the LNG in the storage tank is kept in an ideal storage state.

The utility model discloses a flexible cold storage module for a cold storage and the cold storage comprising the cold storage module. The cold storage module comprises a cold storage bag and an installation assembly. The mounting assembly comprises a fixing piece capable of being fixed to a cold storage top plate and a hook used for connecting the fixing piece and the cold storage bag. The cold storage bag comprises a bag body, a containing cavity is formed in the bag body, the containing cavity is filled with phase change cold storage materials, and fixing holes matched with the hooks in the installation assembly are formed in the edge of the bag body. The cold storage comprises a goods shelf, the goods shelf is composed of stand columns and multiple layers of cross beams, a plurality of cold storage units are arranged between every two opposite cross beams located on the same layer, and a plurality of flexible cold storage modules are arranged on a top plate of the cold storage. The flexible phase change cold storage bags are arranged on the top plate of the refrigeration house through the fixing assemblies, and the space utilization rate of the refrigeration house is effectively increased. The flexible phase change cold storage bag can store cold energy and release the cold energy at a proper time, so that the internal temperature of the refrigeration house is stable, and the cold insulation effect of the refrigeration house is remarkably enhanced.

The utility model discloses a multi-layer spreading and cooling frame based on bean product processing, which comprises a supporting foot, a spreading and cooling acceleration unit is arranged on the top surface of the supporting foot, a liquid accumulation hopper is movably connected to the inner bottom end of the side surface of the spreading and cooling acceleration unit, and a fixing mechanism is arranged in the spreading and cooling acceleration unit; bean products needing to be cooled are placed in the fixing mechanism, the motor is started to drive the air suction fan to rotate, at the moment, the air suction fan sucks outside air, the outside air is conveyed into the layered air outlet through the air guide shell, and the filter shell can guarantee that the air sucked by the air suction fan is relatively clean; air flow is sprayed out from the interiors of the four layered air outlets, air guide shells on the left sides and the right sides of the layered air outlets ensure that the layered air outlets have enough air force, the air flow is sprayed to the surface of the fixing mechanism through guiding of air guide plates, the spreading and cooling effect of the bean products is accelerated through flowing of air, and meanwhile flowing of residual juice on the surfaces of the bean products is accelerated.

The application provides a method for presenting corresponding light effects according to audio input / output and an electronic device. The back of the electronic device is provided with a lamp strip and a transparent back cover. The transparent back cover entirely covers the back of the electronic device provided with the lamp strip. The lamp strip comprises a first lamp strip and a second lamp strip. The electronic device further comprises a sound receiving unit and a receiving unit. The method comprises the following steps: determining whether the current is in a voice input and / or voice output scene; when the current is in the voice input or voice output scene, acquiring a first audio signal collected by the sound receiving unit and a second audio signal received by the receiving unit in real time; controlling the first lamp strip to present corresponding light effects based on the first audio signal, and controlling the second lamp strip to present corresponding light effects based on the second audio signal. In the voice input or voice output scene such as conversation and use of a voice assistant, the current audio outputter and other messages can be displayed in real time through the light emitted by the lamp strip, thereby increasing the interesting and coolness of the electronic device.

The utility model discloses a cold storage box fixing assembly for a refrigeration house and the refrigeration house comprising the cold storage box fixing assembly. The fixing assembly comprises a cold storage box serial connection piece and a hoisting piece. The cold storage box serial connection piece comprises two serial connection rods, the hoisting piece is a long-rod bolt, and the screw rod end of the long-rod bolt can penetrate through the serial connection rods from bottom to top and is fixed to a top plate of the refrigeration house. Or the hoisting piece is an external member consisting of a hook and a hoisting line, the hook is fixed on the top plate of the refrigeration house, one end of the hoisting line is fixedly connected with the hook, and the other end is fixedly connected with the tandem rod. The refrigeration house comprises a goods shelf, the goods shelf is composed of stand columns and multiple layers of cross beams, and a plurality of cold storage units are arranged between every two opposite cross beams located on the same layer. The phase change cold storage boxes are arranged on the top plate of the refrigeration house through the fixing assemblies, and the space utilization rate of the refrigeration house is effectively increased. The phase-change cold storage box can store cold energy and release the cold energy at a proper time, so that the temperature in the refrigeration house is stable, and the cold insulation effect of the refrigeration house is remarkably enhanced.

The utility model discloses an energy -conserving and environment -friendly cement kiln bypass air release system, including cement kiln, kiln tail smoke chamber and grate cooler, and kiln tail smoke chamber is connected with quenching cooler, waste heat boiler and dust remover in proper order through pipeline, and the outlet of dust remover is connected with the high temperature area of grate cooler through pipeline and communicates, and the quenching cooler includes casing and inner tube, and the casing inner wall and the inner tube outer wall in cooling chamber are all provided with helical half -pipe, and a plurality of helical coils are concentrically arranged in the cooling chamber, and the airflow passageways of two adjacent helical coils are staggered, and the center of inner tube is provided with the center gas pipe of lower end block, and a plurality of air injection holes are arranged on the center gas pipe, and the upper part in the inner tube is provided with the spray mechanism, and a plurality of upper gas pipes are arranged on the ring plate between the helical half -pipe on the casing inner wall and the outermost helical coil. In conclusion, the utility model has the advantages of high smoke and cold air mixing efficiency, good quenching effect, reducing the smoke production, energy -conserving and environment -friendly.

A multi-nozzle desuperheater with steam-assisted atomization belongs to the field of industrial process control equipment technology. It solves the problems of uneven atomization and slow heat exchange between steam and desuperheating water in existing technologies. Key technical points: The desuperheater's middle section is a hollow cylinder, consisting of a middle section outer circumference, an orifice plate, and a nozzle chamber from the outside in. The orifice plate has connecting holes; the inlet pipe connects to the upper end of the middle section outer circumference, and the outlet pipe connects to the lower end. Three stop structures are arranged from top to bottom within the nozzle chamber. A cover plate seals the upper stop structure, the middle stop structure connects to the nozzle orifice plate, and the lower stop structure connects to the outlet orifice plate. Nozzle assemblies are installed on the nozzle orifice plate and the outlet orifice plate, forming an auxiliary steam flow channel between the outlet orifice plate and the nozzle assembly. This invention makes the desuperheating water atomized more uniformly, eliminates coverage blind spots, and the auxiliary steam further improves the atomization effect, ensuring low-load desuperheating performance. The design with no moving parts reduces maintenance frequency and provides higher reliability.

This utility model provides an air duct assembly, including a housing and a partition structure. The housing has an air duct cavity and a connecting interface communicating with the air duct cavity. The partition structure divides the air duct cavity into at least a first air path and a second air path. The housing has a first air outlet structure and a second air outlet structure communicating with the air duct cavity. The second air outlet structure is located on the side of the first air outlet structure opposite to the connecting interface. The cross-sectional area of ​​the first air path is greater than or less than the cross-sectional area of ​​the second air path, so that the air outlet area of ​​the first air outlet structure communicating with the air duct cavity is not less than the air outlet area of ​​the second air outlet structure communicating with the air duct cavity. By controlling the ratio of the cross-sectional areas between the first air path and the second air path, the air outlet area of ​​different air outlet structures communicating with the air duct cavity can be adjusted. Increasing the air outlet area of ​​the first air outlet structure communicating with the air duct cavity increases the cooling range that the first air outlet structure can cover and improves the cooling effect around the first air outlet structure.

The utility model provides a vacuum cup which comprises a cup body and a cup cover which are of a multi-layer composite structure, and the cup body is detachably connected with the cup cover. The cup body comprises a vacuum thermal insulation material and an inner container; the outer side face of the inner container is wrapped with a layer of vacuum heat preservation material. The vacuum heat preservation material is of a heat preservation structure in which the core material is packaged in a vacuum mode through a barrier film. According to the vacuum cup, the design of a traditional double-layer vacuum cup is changed, the vacuum heat preservation material is placed between the inner container and the outer layer, and the vacuum heat preservation material is fixed by injecting the foaming material. Besides, the vacuum heat preservation materials and the inner container are attached and assembled in the mode that the multiple vacuum heat preservation materials are spliced, the heat preservation performance and the cold preservation performance of the vacuum cup are greatly improved through the high heat preservation performance of the vacuum heat preservation materials, cost is reduced, and the heat preservation performance is good.

The present application relates to a kind of double-wall heat shields with baffle sandwich structure, double-wall heat shield is gas film orifice plate and impact orifice plate and turbulence baffle structure jointly constitutes the double-wall heat shield described;Turbulence baffle structure includes first helical baffle and second helical baffle vertically arranged on gas film orifice plate, and multiple separate turbulence spaces are enclosed by two baffle plates crossing each other;Gas film orifice is arranged at the multiple intersection points formed by the first helical baffle and the second helical baffle on the gas film orifice plate;The present application also provides the heat shield gas film forming method, airflow flows out through multiple fan-shaped holes to form gas film outflow and main flow gas mixing, and forms gas film cover layer on wall surface;The present application can not only strengthen the heat exchange inside heat shield, but also improve gas film cold efficiency, in addition, the impact orifice plate-gas film orifice plate double-wall structure with baffle turbulence fixed has good mechanical properties.

This utility model belongs to the field of sealing structure technology, and in particular to a sealing structure for a sliding door. It includes a mating base with a U-shaped cross-section. A supporting base is fixedly mounted on the lower end face of the mating base, providing support and fixation. Two sealing blocks are disposed inside the mating base to seal the sliding door inserted within it. The two sealing blocks are located on opposite sides of the inner side of the mating base, their positions corresponding to each other. This utility model, through the arrangement of sealing blocks, a socket, a helical spring, and an airbag, can seal the sliding door in the closed state. This effectively blocks cold air escaping from the cold storage to the outside air, providing a quadruple insulation effect. This prevents cold air leakage from the cold storage, thereby improving the cold storage's insulation efficiency.

This utility model discloses a waste gas treatment device for a gas nitriding furnace, including a support leg, a spray tank fixedly connected to the support leg, a combustion chamber fixedly connected to one side of the support leg, a burner fixedly connected to the combustion chamber, an ignition burner fixedly connected to the combustion chamber, a connecting pipe 1 connecting to the waste gas outlet of the deep nitriding furnace, a three-way valve connected to the connecting pipe 1, a connecting pipe 2 connecting the three-way valve to the burner, a connecting pipe 3 connecting the three-way valve, a gas distribution plate fixedly connected to the spray tank, a connecting pipe 3 connecting to the gas distribution plate, and a water inlet pipe and a spray plate fixedly connected to the spray tank. Through the coordinated operation of the three-way valve and the pressure stabilizing valve, the treatment path is intelligently switched according to the ammonia concentration of the waste gas: at low concentrations, the waste gas enters the spray tower for neutralization; at high concentrations and when ignitable, it switches to the combustion chamber for complete decomposition. This design eliminates the risk of ammonia leakage due to ignition failure in the initial stage or during concentration fluctuations.

The utility model provides a cold insulation pipe with a multi-layer composite structure, which comprises an inner pipeline, a heat insulation layer pipe sleeved on the outer surface of the inner pipeline, a heat preservation layer pipe sleeved on the periphery of the heat insulation layer pipe, a damp-proof layer pipe sleeved on the outer surface of the heat preservation layer pipe, a protective layer pipe sleeved on the periphery of the damp-proof layer pipe, and a fixing component arranged in the protective layer pipe. The heat insulation layer pipe is made of aerogel felt. During use, heat invasion is blocked for polyurethane foam through the heat preservation layer pipe, then external impact can be prevented from damaging the internal structure through the protection layer pipe, detachable assembly is achieved through the fixing assembly arranged in the protection layer pipe, installation and maintenance are convenient, the damp-proof layer pipe can be pressed tightly during installation, radial constraining force can be provided, and the service life of the damp-proof layer pipe is prolonged. And displacement of the multi-layer structure due to thermal expansion and cold contraction or vibration is prevented.

This utility model discloses a cold-insulating tank, relating to the field of cryogenic storage tank technology. The cold-insulating tank includes an outer tank, an inner tank, and glass bricks. A first insulation zone is formed between the bottom of the outer tank and the bottom of the inner tank in a vertical direction. Multiple glass bricks are laid horizontally to form an insulation layer, and multiple insulation layers are vertically arranged within the first insulation zone. Gaps exist between two adjacent glass bricks within the same insulation layer, and the gaps between adjacent insulation layers are staggered. Within the same insulation layer, the width of the gap between two adjacent glass bricks is less than or equal to 2 mm, and the height difference between any two glass bricks in the vertical direction is less than or equal to 2 mm. The staggered distance between the gaps between adjacent insulation layers is greater than or equal to 100 mm. The technical solution provided by this utility model achieves a better cold-insulating effect by arranging the glass bricks in each insulation layer tightly and neatly, and by staggering the gaps within each insulation layer.

The utility model discloses a kind of microphone tube cold preservation containers, including sample box body, sample box body is by plastic material microfoaming injection molding, and multiple groups of airtight microbubble structure are formed in sample box body shell interior.The beneficial effect of the utility model is that sample box body selects low-temperature-resistant PPO special plastic and is microfoamed injection molding, and a large number of airtight microbubble structure is formed in inside, and the structure similar to "heat insulation cabin" is formed.The thermal conductivity of gas is far lower than solid material, and when heat passes through this microbubble structure, the conduction path is constantly broken by bubble, and the cold preservation effect is better, the liquid nitrogen holding time is effectively prolonged, so that biological samples can be safely and effectively protected;By setting guide rod hollow, further reduce container quality, can be applied to gaseous liquid nitrogen storage environment, and sample box guide rod and sample box outer wall can be optionally provided with counterweight, so that container can be kept stable when applied in liquid liquid nitrogen storage environment and will not float up.