18results about How to "Reduce inflow" patented technology

The present application relates to a laundry treating apparatus comprising: a cabinet having a front panel provided with an insertion opening, a back panel forming a rear surface, an upper panel forming an upper surface, and first and second side panels forming both side surfaces; an outer tub having an outer tub main body provided inside the tank and storing water, and an outer tub insertion opening provided in the outer tub main body and communicating with the insertion opening; a drum rotatably provided inside the outer tub and storing clothes; an air supply part, the chamber main body is positioned between the upper panel and the outer barrel main body; the filtering chamber and the heat exchange chamber are arranged in the chamber main body and are connected with each other; a chamber supply flow path for guiding air inside the outer tub main body to the filter chamber and an outer tub supply flow path for guiding air discharged from the heat exchange chamber to the outer tub main body; the filtering part is arranged in the filtering chamber and is used for filtering air; and a heat exchange unit which is provided in the heat exchange chamber and sequentially dehumidifies and heats the air supplied from the filter chamber. And at least two surfaces of the chamber main body are fixed on the box body and are positioned between the outer barrel main body and the upper panel.

The utility model discloses belong to rice processing technical field, concretely is a kind of rice grain screening device for rice processing, including screening box, the inner chamber of screening box is equipped with spherical filter box by rotating assembly, and several filter holes are equipped on spherical filter box, and the hard tube with valve is fixedly installed on the top of spherical filter box. The utility model is equipped with spherical filter box in screening box by rotating assembly, when rice grain is screened after completing rice processing, rice grain can be rolled in spherical filter box, vibration motor is not needed to be set, and the generation of noise is reduced to a certain extent.

This invention provides a test tube storage device, belonging to the field of test tube storage technology. It includes a storage box, with a storage cover rotatably connected to one side of the upper surface of the storage box. A storage base plate, test tube rack, fixing components, a cooling plate, and a cooling fan are inserted into the lower surface of the storage box. This invention utilizes a design where a desiccant packet is placed inside the heat dissipation base after the heat dissipation cover is opened. The desiccant packet absorbs water, reducing condensation from the cooling element flowing into the heat dissipation base and outwards. The heat dissipation element dissipates heat from the cooling element, and the cooling fan draws heat from the cooling element into the heat dissipation base and expels it outside. The cooling element cools one end, and the cooling fan draws air from the storage box into the top of the cooling element for further cooling. The cold air is then expelled from the outlet into the storage box, further cooling it. This method preserves samples stored in test tubes within the storage box, slowing down sample metabolism and degradation, effectively inhibiting microbial growth and reproduction, and extending sample preservation time.

The utility model belongs to the technical field of soy sauce production, and particularly relates to a soy sauce production sterilization device which comprises a container, a feeding hole is formed in the top end of the container; the top end of the container is fixedly connected with a motor; the output end of the motor is fixedly connected with stirring blades; a groove is formed in the side wall of the container; a plurality of groups of heating rods are fixedly connected to the bottom end of the groove; the side wall of the container is fixedly connected with a water injection pump; the side wall of the container is fixedly connected with a water suction pump; the water injection pump and the water suction pump are connected into the groove; a discharge hole is formed in the bottom end of the container; by means of the structure, liquid in the groove can be rapidly heated, after sterilization of raw materials in the container is completed, the water injection pump and the water suction pump are matched, the liquid with high heat in the groove can be rapidly discharged, cooling liquid is injected again, and accelerated circulation liquid is matched with the raw materials in the container, so that cooling can be rapidly conducted.

The utility model discloses medical catheter anti-blocking detection equipment which comprises a base, a positioning block is arranged on the base, a semicircular positioning groove corresponding to a medical catheter is formed in the positioning block, a fixing mechanism is arranged at one end of the positioning block, and a clamping mechanism is arranged at the other end of the positioning block. The end, provided with the clamping mechanism, of the positioning block is provided with a fixed catheter, a catheter opening of the fixed catheter is aligned with and connected with the positioning groove, the inner diameter of the fixed catheter is equal to that of the medical catheter, a movable rod is arranged in the fixed catheter, and the end, facing the positioning groove, of the movable rod is a detection end. The detection end is provided with a sensing device for detecting burrs on the inner wall of the medical catheter, the other end, away from the detection end, of the moving rod is connected with a driving mechanism, the inner wall of the medical catheter can be detected more accurately, and the situation that defective medical catheters flow into the market is reduced.

The utility model relates to substation technical field provides a small prefabricated substation with reinforcing structure, including bottom plate, embeds the hardened ground, be provided with air cavity in the bottom plate, is set up with a plurality of storage holes on the outside wall of bottom plate, is slidably installed with fastening unit in the storage hole, the upside of bottom plate is provided with a plurality of gas outlets, is provided with pressure limiting valve for maintaining the pressure intensity in air cavity in the gas outlet, the outer box body is set up on the bottom plate, the outer box body has the inner chamber of bottom opening, the outer wall of box body is provided with air inlet, is provided with filter plate at air inlet, the air injection spare is set up in the inner chamber, and the air in outer box body is drawn into the air cavity, and the fastening unit is under the pressure of air pressure and is in abutment with the hardened ground. The setting of pressure limiting valve makes the high pressure environment in air cavity, and the stable connection of bottom plate and hard ground is realized through high pressure air to push the piston positioning rod, and the wind resistance of prefabricated substation is effectively improved.

The utility model discloses a sand mold structure of a common casting aluminum oxide product, which comprises a base, a lower sand mold is arranged at the top end of the base, an upper sand mold is arranged above the lower sand mold, and two sides of the bottom end of the upper sand mold are respectively provided with a piece placing groove. An arc-shaped magnetic attraction block and a rectangular magnetic attraction block are arranged at the top end of the lower sand mold body below the piece containing groove, the top end of the arc-shaped magnetic attraction block and the top end of the rectangular magnetic attraction block are attracted to the inner wall of the piece containing groove, and a sand mold core is installed at the top end of the lower sand mold body between the rectangular magnetic attraction block and the arc-shaped magnetic attraction block. Equally-spaced strip-shaped grooves are formed in the top of the lower sand mold body below the sand mold core, strip-shaped blocks are installed in the strip-shaped grooves in an inserted mode, and a sprue gate is formed in the center of the top of the upper sand mold body. According to the sand mold structure, the phenomenon that the sand mold core is corroded by dust is reduced, the purpose that the sand mold structure is easily and rapidly installed is achieved, the stability of the sand mold structure is ensured, and the convenience of the sand mold structure in use is improved.

The efficient dust removal and separation device comprises a main machine body, a dust removal and separation box is arranged on one side inside the main machine body, an upper box body is arranged at the upper end inside the main machine body on one side of the dust removal and separation box, and a lower box body is arranged inside the main machine body below the upper box body. A side box body is arranged in the main machine body on the side, away from the dust removal separation box, of the upper box body, a separation screen frame is arranged on the inner wall of one side of the upper box body, one end of the separation screen frame extends into the dust removal separation box, and an air exhaust cover is arranged on the outer wall of the side, away from the dust removal separation box, of the separation screen frame; an activated carbon filter screen is installed in the purification box, and an exhaust pipe is arranged on one side of the top end of the purification box. According to the down feather dust removal and separation device, the phenomenon that the exhaust fan is blocked is reduced, the down feather dust removal and separation effect is guaranteed when the dust removal and separation device is used, the phenomenon that the down feather is caked is reduced, and the down feather is easily subjected to dust removal and separation operation.

This application relates to a foundation pit support structure, specifically within the technical field of foundation pit support. It includes a plurality of adjacent and connected Larssen sheet piles, which abut against the inner wall of the foundation pit. A support mechanism is provided within the foundation pit. The support mechanism includes a support plate abutting against the inner wall of the Larssen sheet piles, and a top plate abutting at the connection points of adjacent Larssen sheet piles. The support mechanism also includes a support seat disposed within the foundation pit, with a top support assembly on the support seat. The support plate pushes the top plate against the Larssen sheet piles via the top support assembly. This application improves the support capacity of the sheet piles and reduces the potential for damage to the sheet piles.

The application relates to the technical field of anti-counterfeiting materials, in particular to a bio-based anti-counterfeiting filter paper and a preparation method thereof. The application provides a bio-based anti-counterfeiting filter paper which comprises a base material and an anti-counterfeiting dye layer compounded on the base material; the anti-counterfeiting dye layer is prepared from anti-counterfeiting dyes; the anti-counterfeiting dyes are prepared from raw materials including isocyanate, polyethylene glycol, 2,2-dimethylol propionic acid, ethylenediamine and hematoxylin. The bio-based anti-counterfeiting filter paper provided by the application is doped with special anti-counterfeiting dyes, provides unique spectral reflection information, and has the advantages of being difficult to replicate, non-toxic and long service life. Compared with the anti-counterfeiting filter paper currently in circulation, the bio-based anti-counterfeiting filter paper provided by the application can reduce the inflow of fake and inferior products into the market, reduce the use risk of customers, and protect the legal rights and interests of customers.

The utility model discloses an engine degassing device and engineering machinery, including engine, the engine is equipped with EGR, EGR is equipped with degassing port, and the degassing port is connected with one end of degassing pipe, and the other end of degassing pipe is connected with the first port of three -way valve, and the second port of three -way valve is connected with one end of first backwater pipe, and the other end of first backwater pipe is connected with radiator, and the engine is equipped with engine inlet pipe, and the radiator is connected with engine inlet pipe, and the third port of three -way valve is connected with one end of second backwater pipe, and the other end of second backwater pipe is connected with engine inlet pipe. The utility model discloses reasonable in structure design, the utility model increases a three -way valve, and three -way valve passes through the effect of shunting and three -way valve passes through the change of the second port's through -diameter or reduces the through -diameter of first backwater pipe, reduces the amount of coolant inflow radiator, reduces temperature loss.

The utility model relates to the technical field of printing, in particular to a plane optical element surface treatment device which comprises a tool platform, a plasma generator and a screen printing machine, the plasma generator and the screen printing machine are arranged on the tool platform, and a pair of parallel double guide rails is further arranged on the tool platform and located below a screen printing plate of the screen printing machine. A first workbench driven by a first sliding table module is arranged between upper guide rails of the double guide rails, a second workbench driven by a second sliding table module is arranged between side guide rails of the double guide rails, and the vertical height of the first workbench is larger than that of the second workbench. The plasma generator is used for plasma processing of optical elements on the working table before printing. According to the utility model, plasma printing and silk-screen printing are combined, and the diaphragm on which plasma printing is completed is directly printed, so that the diaphragm on which plasma printing is not completed is prevented from being directly printed, and defective products flowing into clients are reduced; and meanwhile, a double-station structure is utilized, plasma printing and silk-screen printing are circularly performed, and the operation efficiency is improved.

This utility model provides a low-voltage intelligent reactive power compensation control cabinet, comprising: a cabinet body, a main partition plate fixedly connected to the upper end of the cabinet body, a secondary partition plate fixedly connected to the lower end of the cabinet body, and a mounting plate fixedly connected to the middle of the cabinet body cavity by bolts. A temperature sensor is fixedly connected to the lower surface of the mounting plate. A guide plate and an air guide tube are fixedly connected to the upper surface of the main partition plate, and air outlets are opened on both sides of the cabinet body corresponding to the positions of the air guide tubes. A flow divider box is fixedly connected to the upper surface of the secondary partition plate, and air jet plates are symmetrically connected to both sides of the flow divider box. An air pump is fixedly connected to the lower surface of the secondary partition plate. This utility model, through the cooperation of the flow deflector plate, filter plate, air pump, flow divider box, and air jet plates, can enhance the airflow speed inside the control cabinet cavity, improve the heat dissipation effect inside the control cabinet, and also assist in filtering and drying the incoming external airflow, reducing the probability of accidental damage to the electrical components inside the control cabinet.

The invention provides a light-emitting diode screening method, which comprises the following steps of: providing a wafer which is provided with a plurality of light-emitting diode structures; testing each light emitting diode structure on the wafer through wafer-level electrostatic discharge; testing each light emitting diode structure on the wafer by wafer-level collapse voltage; testing the light emitting diode structures on the wafer according to wafer-level photoelectric characteristics; splitting the light emitting diode structures on the wafer to form a plurality of light emitting diode crystal grains; and excluding a part of the light emitting diode crystal grains with abnormity, wherein the abnormity comprises one of electrostatic discharge test abnormity, collapse voltage test abnormity, photoelectric characteristic test abnormity and appearance abnormity.

The utility model discloses a kind of kiln devices for processing non-ferrous metal industrial waste residue, including kiln body, and the side end of kiln body is opened with inlet, and guide cavity is slidably arranged in inlet, and the top surface and bottom surface of guide cavity are opened with guide slot, the top end of gear ring is meshed with rack, and the top end of rack is inserted into positioning hole and is slidably connected with it, and positioning hole is arranged in the side wall of top end rotating shaft, and guide rod is slidably arranged on the vertical rod of rack, and guide rod is fixed with cover body, realize the feeding of guide cavity and the flow of material in guide cavity into kiln body, in this process, by the setting of guide cavity and baffle, make that kiln inlet is not communicated with outside, reduce the outflow of heat, flue gas from kiln inlet, ensure the temperature inside kiln while preventing flue gas scalding staff, shorten the processing time of kiln to industrial waste residue.

The present application relates to the technical field of air conditioners, and in particular to an air conditioner anti-freezing control method, device, equipment and storage medium, the present application adjusts the communication state of the reversing device connecting the first water circuit and the second water circuit in the water module, so as to unfreeze each water circuit in the water module in batches, reduce the heat required for unfreezing, and according to the water temperature extreme value of the heat exchange device in the water module, determine which way to unfreeze the first water circuit or the second water circuit, improve the efficiency of unfreezing, avoid the technical problem that the multi-split air conditioner water module unfreezing affects the heating operation of the air conditioner indoor unit, reduce the inflow of refrigerant into the water module during unfreezing, improve the effect of the air conditioner indoor unit during heating, and improve the user experience.

The present application relates to sand grinding equipment field, especially point to a kind of separation wheel mechanism, the separation wheel mechanism includes separation wheel seat, the center position of the top of the separation wheel seat is discharge area, the top of the separation wheel seat is uniformly provided with a plurality of separation lugs around the discharge area, adjacent separation lugs form separation discharge channel communicated with the discharge area, the separation discharge channel is curve, and the separation discharge channel gradually expands from outside to inside, since the entrance of separation discharge channel is smaller, the outlet is larger, not only effectively reduce the probability of grinding medium from entrance into separation discharge channel, but also facilitate the slurry in separation discharge channel to flow to discharge area quickly, increase discharge rate.The present application also relates to a vertical sand mill without screen, by setting up main shaft discharge channel and baffle, further eliminate the possibility of grinding medium to discharge outward, realize the complete separation of grinding slurry and grinding medium.