67results about How to "Full exchange" patented technology

The invention discloses equipment and a method for preparing spray condensation microcapsules, and relates to the technical field of spray condensation microcapsule preparation, the equipment comprises a melting homogenizing kettle and a condensing tower, a spray head is arranged in the condensing tower, and a movable spray mechanism used for enabling the spray head to move circumferentially and swing back and forth at the same time is mounted on the condensing tower. Through the arrangement of the movable spraying mechanism, the spraying head can spray material liquid drops in the condensing tower in a back-and-forth swinging manner while moving circumferentially, so that the material liquid drops can be uniformly dispersed in a wider area and can be in contact with more cold air, local supercooling or superheating is avoided, and a more uniform cooling effect is obtained; meanwhile, through the matched arrangement of the spiral blades, cooling airflow can spirally flow and be uniformly distributed, the gas-liquid contact area is increased, the gas-liquid contact time is prolonged, gas-liquid exchange is more sufficient, finally, it can be ensured that each material liquid drop can be sufficiently cooled, and the embedding efficiency and the quality of microcapsules are effectively improved.

The present invention discloses a personalized customization of cell-cultured meat based on a porous scaffold material and a production method thereof. The method adopts a material suitable for cell growth and safe and edible, prepares a porous scaffold material with a suitable pore structure based on freeze-drying, and realizes personalized customization of cell-cultured meat by adjusting the cell inoculation parameters. The porous scaffold material constructed by the present invention has good biocompatibility and mechanical properties. Its high porosity, connectivity and suitable pore size structure are suitable for the intercellular information transmission and sufficient exchange of nutrients during cell culture, which is beneficial to the fate processes such as cell growth, proliferation, differentiation and maturation. In addition, the edible qualities such as texture, taste and nutritional value of cell-cultured meat can be improved by inoculating different types of cells and changing the cell inoculation ratio, thereby realizing personalized customization of cell-cultured meat. The porous scaffold material provided by the present invention has important guiding significance for the personalized development of the cell-cultured meat production industry.

The invention relates to an adhesion modified ionic conductive hydrogel for temperature and humidity sensing, a preparation method thereof and a storage device. The invention discloses adhesion-modified composite cross-linking ionic conductive hydrogel and a preparation method thereof, and relates to the technical field of polymer composite materials. The preparation method comprises the following steps: carrying out in-situ polymerization on polyvinyl alcohol, acrylamide, acrylic acid, cellulose, lithium chloride, a covalent cross-linking agent and an initiator at 50-60 DEG C by a one-pot method for 4-6 hours to obtain a precursor; carrying out low-temperature freeze-thaw cycle at-20 DEG C or below for 2-4 times; and carrying out polyol solvent exchange twice to obtain the polymer. Through in-situ polymerization covalent cross-linking and cellulose grafting, reversible physical cross-linking and secondary solvent exchange steps, the adhesive property of the hydrogel and the durability of the hydrogel in a low-temperature and natural dry environment can be improved on the basis of improving the mechanical property of the hydrogel, and the hydrogel can be used for assembling flexible stress-strain, temperature and humidity sensors and has wide application prospects. The invention also provides an adhesion modified ion conductive hydrogel storage device used for temperature and humidity sensing.

The invention discloses zero-valent iron shell reinforced microbial immobilized particles as well as preparation and application thereof, and belongs to the technical field of wastewater treatment. According to the preparation method, anaerobic digestion bacteria and a zero-valent iron reinforced material are embedded in porous organic gel formed by cross-linking polymerization of polyvinyl alcohol or sodium alginate in a layered manner, so that stress of an external poor water quality environment and the zero-valent iron material on microorganisms is reduced; in the prepared zero-valent iron shell reinforced microbial immobilized particle, the shell containing the zero-valent iron can protect microorganisms from being disturbed by external adverse environmental conditions, the environmental adaptability of the microorganisms is improved, and meanwhile the biological activity of the microorganisms in the porous inner core is reinforced; on the other hand, the biological toxicity of the zero-valent iron material to microorganisms is reduced, and the broad-spectrum applicability of the zero-valent iron is improved.

The invention provides an energy-saving boiler and a thallium removal process for spodumene brine. Relates to the field of energy-saving boilers. The furnace body is fixedly mounted at the bottom of the inner wall of the isolation box through a bracket; and the top cover is fixedly mounted at the top of the furnace body. According to the energy-saving boiler and the spodumene brine thallium removal process provided by the invention, water is injected into the boiler body by arranging the water delivery pump, and external high-temperature flue gas sequentially flows through the plurality of heating pipes, so that layered and stepped uniform heating of the water body in the boiler body is realized, the heat energy utilization efficiency is remarkably improved, and the energy is saved; smoke flows step by step in the heating pipe and is finally discharged, the flow speed of the smoke is reduced, heat is fully exchanged, the smoke discharging temperature is reduced, meanwhile, the water suction pump continuously and stably outputs hot water at the constant temperature of 40 DEG C to the constant-temperature water bath, stability of the water supply temperature is guaranteed, operation is energy-saving, and the automation degree is high.

The utility model discloses a disc type intermittent immersion plant bioreactor, which relates to the field of plant tissue culture and comprises a box body, a cabin wall is arranged in the box body, the box body is divided into a culture cabin and a motor cabin which are mutually sealed, a bottom opening of the culture cabin is used for being externally connected with a water pipe and introducing or discharging a culture solution into or out of the culture cabin, and a culture disc is obliquely arranged in the culture cabin. The plants are uniformly arranged in the culture tray along the circumferential direction, so that at least one part of the plants is immersed in the culture solution; a motor is fixedly mounted in the motor cabin, and the shaft end of the motor penetrates through the cabin wall and then is connected with and drives the culture tray, so that each part of the plant is intermittently immersed into the culture solution. According to the utility model, the motor is utilized to drive the culture tray to uniformly rotate in the culture cabin (water receiving tray), so that each part of the plant is intermittently immersed in the culture solution, the whole reactor is driven and controlled only by the motor, the structure is simple, the control is efficient, and the requirements of most plants with medium and low immersion frequency and some plants with high immersion frequency can be met.

The utility model provides a double-heat-source heat pump air conditioning system. The utility model discloses a double-heat-source heat pump air-conditioning system. The air-conditioning system comprises a solar heating system, a cascade air-conditioning system, a geothermal source heating system and a user side energy supply system, wherein the solar heating system exchanges heat with the cascade air conditioning system, and the cascade air conditioning system exchanges heat with the user side energy supply system, so that heat obtained by the solar heating system is transferred to the user side energy supply system; and the geothermal source heating system exchanges heat with the cascade air conditioning system. The double-heat-source heat pump air-conditioning system can effectively improve the heat exchange efficiency of solar energy and a geothermal source, provides hot water with higher temperature for users, and meets the use requirements of the users.

The application relates to the technical field of waste heat recovery, and discloses a phosphorus trichloride reaction waste heat recycling device, which comprises a base, a reaction kettle and an energy storage box are fixedly installed at the top of the base, the reaction kettle is located at the left side of the energy storage box, a function box is fixedly installed at the top of the reaction kettle, the same piston cylinder is fixedly installed at the top of the energy storage box and the right side of the function box, a motor is fixedly installed on the top inner wall of the function box, a stirring mechanism is arranged in the reaction kettle, a feeding pipe is arranged at the left side of the reaction kettle, a jacket is arranged outside the reaction kettle, and an oil feeding pipe is arranged at the left side of the jacket. The application has the following advantages and effects: the piston mechanism is arranged, when the piston plate slides to the right, gas is pressed into water in the energy storage box through the breather pipe, the water is uniformly heated by the water disturbance in the process of the bubble rising and breaking in the water, and the purpose of avoiding the situation that the local water temperature is too high or too low can be achieved.

This invention discloses a river water ecological restoration and purification device, belonging to the field of river water purification technology. It includes a base plate with an air cushion installed at its bottom. Above the base plate, from front to back, are sequentially arranged an ice-breaking and salvage conveying component, a collection and separation component, a water purification component, and an oxygenation component. The collection and separation component contains a vibrating filter component. A drive component is located between the ice-breaking and salvage conveying component and the collection and separation component. A propeller is fixedly installed at the rear of the base plate, and a power component for unmanned operation is installed on the top of the base plate. This invention, through its integrated ice-breaking and salvage conveying component, collection and separation component, vibrating filter component, water purification component, and oxygenation component, highly integrates multiple functional modules such as ice breaking, salvage, conveying, solid-liquid separation, water purification, and oxygenation, filling the gap left by the inability of most cleaning equipment to be used in winter and achieving uninterrupted river ecological restoration.

The utility model discloses a culture bottle for indoor soil culture, and relates to the technical field of soil sample culture. A 150 cylindrical brown glass wide-mouth bottle is selected as the culture bottle, the brown glass can prevent light pollution, the culture effect and quality can be further guaranteed, the cylindrical culture bottle can be arranged in the culture box in the maximum volume mode, the bottom of each silicone tube extends into the bottom of the culture bottle, and therefore the culture effect and quality are improved. Through the arrangement, gas in the culture bottle can be fully exchanged; by arranging the three-way valve, the installation stability of the silica gel tube can be guaranteed, nitrogen blowing can be carried out on the interior of the silica gel tube to guarantee the CO2 background value of a culture bottle, repeated uncovering is not needed, sample pollution is avoided, and continuous sampling measurement of a soil sample culture experiment is facilitated; the purpose of rapid sampling can be achieved through the injector, and the cultivation effect and quality are guaranteed.

The application belongs to the field of quartz glass preparation and specifically discloses a homogenization treatment method for titanium-doped low-expansion quartz glass, a product and application, and the method comprises the following steps: processing a titanium-doped low-expansion quartz glass mother rod into a circular truncated cone blank; making the circular truncated cone blank pass through a furnace chamber while clamping both ends of the circular truncated cone blank, and the initial position of the furnace chamber is located at the large end of the circular truncated cone blank; heating the circular truncated cone blank to above the softening point through the furnace chamber, synchronously rotating both ends of the circular truncated cone blank during heating, and introducing oxygen into the furnace chamber; then making both ends of the circular truncated cone blank rotate asynchronously and making one end of the circular truncated cone blank perform a damped sinusoidal swing; and moving the furnace chamber along the axial direction of the circular truncated cone blank from the large end to the small end of the circular truncated cone blank to complete the homogenization treatment of the whole circular truncated cone blank. Through the application, the uniformity of the distribution of titanium elements in the titanium-doped low-expansion quartz glass can be effectively improved.

The utility model provides a flow guide device and an air conditioner with the flow guide device, the flow guide device is arranged at an air supply outlet of a fan, and the flow guide device comprises a flow guide plate and a surrounding plate; the coaming is installed on the fan, on the air supply path of the air supply outlet, the first end of the flow guide plate is connected with the fan, the second end of the flow guide plate inclines towards the central axis of the air supply outlet, the second end of the flow guide plate and the coaming define a flow guide air duct, and the flow guide air duct communicates with the air supply outlet. According to the utility model, the guide plate is arranged at the air supply outlet, so that air can uniformly cover each area of the evaporator when passing through the guide air duct, the problem of insufficient air quantity at the bottom of the original evaporator is effectively solved, and the air field distribution on the windward side of the evaporator is more uniform.

The invention relates to the technical field of elevators, in particular to a multifunctional elevator. The invention provides a multifunctional elevator which comprises an elevator car. An air inlet assembly comprises an air inlet, a first air duct and a fan. The air filtering assembly comprises a second air cylinder, the second air cylinder communicates with the first air cylinder, an air filtering piece is arranged in the second air cylinder and comprises a rotating plate, the rotating plate is arranged on the upper portion of the second air cylinder and connected with the second air cylinder in a sealed mode, a plurality of brush strips are fixed to one side of the rotating plate, and the brush strips are in interference fit with the inner wall of the second air cylinder. The rotating plate is connected with a first driving assembly, a connecting block is arranged in the middle of the rotating plate, and the brush strips radiate in the circumferential direction. The sterilization assembly comprises a third air duct, a valve is arranged between the third air duct and the second air duct, and an ultraviolet lamp is arranged in the third air duct; the exhaust assembly comprises a fourth air duct, and part of the fourth air duct extends into the lift car. The multifunctional elevator integrates the air purification function, and air in the lift car is kept clean and continuously renewed.

The utility model discloses an agricultural planting composting device, and relates to the technical field of composting devices. Comprising a bearing table, the top end of the bearing table is slidably connected with a composting box, a supporting piece is fixed to the top end of the bearing table, a discharging piece is fixed to the top end of the supporting piece and located above the composting box, a rotating shaft is rotationally connected between the inner walls of the two sides of the discharging piece, and a plurality of stirring rods are fixed to the outer wall of the rotating shaft; one side of the rotating shaft penetrates through the blanking piece and then a worm wheel is fixed on the outer wall. The motor is started and drives the lead screw to rotate, the lead screw rotates to drive the sliding block to move, and the sliding block moves to drive the composting box to move left and right, so that the stirring rod in the discharging piece can stir different positions of the composting box, and the situation that materials in some areas are not subjected to sufficient air exchange and humidity adjustment is avoided; in addition, the screw rod rotates to drive the worm to rotate, the worm rotates to drive the worm gear to rotate, the worm gear rotates to drive the rotating shaft to rotate, and the rotating shaft rotates to drive the multiple stirring rods to rotate.

This utility model discloses a sludge drying device, belonging to the field of sludge drying technology. It includes a shell, a conveyor belt, an evaporator-condenser assembly, a circulating fan, and a liquefaction heater. A drying chamber is formed in the middle area of ​​one side of the shell. Air ducts connect the upper and lower parts of the drying chamber. A conveyor belt is fixedly installed inside the drying chamber. The evaporator-condenser assembly and the circulating fan are sequentially fixedly installed on one side of the drying chamber. The air duct connected to the air outlet of the drying chamber leads to the evaporator-condenser assembly. The circulating fan is connected below the evaporator-condenser assembly. The output end of the circulating fan is connected to the liquefaction heater. The output end of the liquefaction heater leads to the air duct connected to the air inlet of the drying chamber, forming a closed hot air circulation loop for the drying chamber. Only a small amount of energy is needed to maintain the heat pump operation and compensate for heat loss. All volatile organic waste gas and water vapor generated during sludge drying are condensed and collected within the system to prevent secondary pollution and odor diffusion.

A PK polymerization solvent recovery system comprises a dehydrating tower, a heavy component removing tower and a solvent rectifying tower, an inlet is formed in the middle of the side wall of the dehydrating tower and connected with a crude solvent source, a tower top discharge port of the dehydrating tower flows back to the top of the dehydrating tower through a dehydrating tower condenser and a dehydrating tower return tank to discharge process water, and a bottom discharge port of the dehydrating tower supplies materials to the heavy component removing tower. A tower top discharge port of the heavy component removal tower is refluxed to the top of the heavy component removal tower through a heavy component removal tower condenser and a heavy component removal tower return tank, materials are supplied to the solvent rectifying tower, a tower top discharge port of the solvent rectifying tower is refluxed to the top of the solvent rectifying tower through a solvent rectifying tower condenser and a solvent rectifying tower return tank, and light components are discharged. And a tower bottom discharge port of the solvent rectifying tower is used for discharging the solvent. The device is simple in structure and convenient to operate, the solvent N-methyl pyrrolidone in the crude solvent and the residual catalyst palladium element can be effectively recycled, and the PK production cost is effectively reduced.

The application discloses a long-time high-temperature-resistant lead sulfide colloidal quantum dot film and a preparation method thereof, and comprises the following steps: obtaining first PbS quantum dot solids, wherein the surface ligand of the first PbS quantum dot solids is a first ligand; dissolving the first PbS quantum dot solids in a first non-polar solvent to form a first PbS quantum dot solution; adding a mercaptan ligand into the first PbS quantum dot solution; obtaining second PbS quantum dot solids, wherein the surface of the quantum dots is the mercaptan ligand; dissolving the quantum dots with the mercaptan ligand on the surface in a second non-polar solvent to obtain a second PbS quantum dot solution; and spin-coating the second PbS quantum dot solution on a substrate to prepare a PbS colloidal quantum dot film; and the mercaptan ligand is one or a combination of mercaptoethanol (ME) or butanethiol. According to the application, mercaptoethanol (ME) or butanethiol is used as the PbS quantum dot solid ligand, the high-temperature-resistant mercaptan ligand is used to replace the high-temperature-unstable metal halide ligand, and the long-time high-temperature stability of the PbS quantum dot film is greatly improved.

The invention provides a double-circulation embedded layered heat exchanger which comprises a vertical heat exchange tube, sealing plates at two ends, a first inlet and outlet tube and a second inlet and outlet tube, and a fluid tube is arranged in the tube. The lower end of the barrel is provided with a first water outlet and a second water outlet, the upper end of the barrel is provided with a first water inlet, an outer circulating water pump is connected with the first water outlet and the first water inlet, and an inner circulating water pump is connected with the second water outlet and the first inlet pipe. The barrel body is internally divided into an evaporation chamber and a heat exchange chamber, the heat exchange pipe is arranged in the heat exchange chamber, the second inlet pipe is arranged in the evaporation chamber, and a steam outlet is formed in the side wall of the evaporation chamber. A steam-water separation structural member and a water level monitoring device are arranged in the evaporation chamber, a heat absorption chamber is arranged between the evaporation chamber and the water level monitoring device, and a heat absorption assembly is arranged in the heat absorption chamber at the upper end. The design improves the heat exchange efficiency through a unique structure.

The invention discloses a lead sulfide colloid quantum dot film resistant to high temperature for a long time and a preparation method thereof.The preparation method comprises the steps that a first PbS quantum dot solid is obtained, a surface ligand of the first PbS quantum dot solid is a first ligand, and the first PbS quantum dot solid is dissolved in a first non-polar solvent to form a first PbS quantum dot solution; adding a thiol ligand into the first PbS quantum dot solution; at the moment, the surface of the quantum dot is a thiol ligand; dissolving the quantum dots of which the surfaces are thiol ligands in a second non-polar solvent to obtain a second PbS quantum dot solution; spin-coating the second PbS quantum dot solution on a substrate to prepare a PbS colloidal quantum dot film; the thiol ligand is one or a combination of more of mercaptoethanol (ME) and butyl mercaptan. According to the embodiment of the invention, mercaptoethanol (ME) or butyl mercaptan is used as a PbS quantum dot solid ligand, and a high-temperature-resistant mercaptan ligand is used for replacing a high-temperature unstable metal halide ligand, so that the long-time high-temperature stability of the PbS quantum dot film is greatly improved.

The present invention discloses a highly efficient artificial wetland system in winter. The highly efficient artificial wetland system in winter of the present invention comprises a solar greenhouse, a geothermal heat pump, an air heat pump, an artificial wetland and a ventilation component; the solar greenhouse is arranged adjacent to the artificial wetland, one end of the geothermal heat pump is used for water inlet and the other end extends to the artificial wetland for water outlet, the main part of the geothermal heat pump is buried in the underground soil, both ends of the air heat pump are located in the solar greenhouse and the main part of the air heat pump is passed through the artificial wetland, one end of the ventilation component is located outdoors of the solar greenhouse and the other end extends to the underground part of the artificial wetland, part of the ventilation component is passed through the solar greenhouse, and the ventilation component is used to ventilate the artificial wetland. The highly efficient artificial wetland system in winter of the present invention has the advantages of simple and convenient operation, low operating cost, good water treatment effect and good benefits.

The utility model relates to the field of vehicles, in particular to an exhaust system of a vehicle and the vehicle, the exhaust system of the vehicle comprises a vehicle body exhaust device and a battery device, and the vehicle body exhaust device is provided with a first exhaust port; the battery device comprises a battery pack, a shell and a wind shielding part, the shell is provided with an inner cavity, an air inlet and a second exhaust port, the air inlet and the second exhaust port are communicated with the inner cavity, the battery pack is located in the inner cavity, the air inlet is communicated with the first exhaust port, the wind shielding part covers the second exhaust port, and one end of the wind shielding part is rotationally connected with the outer wall of the shell. The other end of the wind shielding part is away from the second exhaust port in the airflow direction. The structure of the vehicle body exhaust device and the structure of the power battery are optimized, certain positive pressure in the vehicle can be guaranteed, and waste gas in the vehicle can be utilized to a certain degree. Meanwhile, for the whole vehicle, the vehicle body exhaust device and the battery device are integrated, the space occupied by roof equipment is optimized, and the weight of the whole vehicle is reduced.

The invention discloses a sampling device for synchronously monitoring greenhouse gases of different water layers of a reservoir, and relates to the technical field of water samplers, the sampling device comprises a connecting frame and a plurality of sampling units arranged on the connecting frame at intervals, each sampling unit comprises a bottle body with two open ends, and the two open ends of each bottle body are hinged to sealing covers; and the circumferential side of each sampling unit is provided with an opening and closing assembly for controlling the opening and closing of the sealing cover. Through arrangement of the opening and closing assembly, the retracting and releasing device, the clamping assembly and the like, all the sampling units are connected in series through one connecting rope, and an electromagnetic adsorption and release mechanism coordinated by the control unit is matched, so that the multiple sampling units can sequentially and accurately stay in different preset water layers in the one-time descending process; and the sealing covers in all the sampling units are uniformly controlled by the first strong electromagnet and can be synchronously powered off and closed after all the units are in place, so that synchronous collection of water samples at different depths is realized.

The utility model discloses a washing purification device for recycled aggregate, and relates to the technical field of recycled aggregate purification. The washing device comprises a washing tank, wherein a discharging mechanism, a stirring mechanism and a feeding mechanism are arranged on the washing tank; the discharging mechanism comprises a rectangular discharging opening formed in the middle axis of the bottom of the washing box in a communicating mode, trapezoidal sliding grooves are formed in the inner walls of the left side and the right side of the rectangular discharging opening correspondingly, filter plates are slidably installed on the inner walls of the two sliding grooves, and the front faces of the filter plates slidably extend out of the washing box. The front face of the filter plate is fixedly connected with a handle. By arranging the discharging mechanism, the problems that when aggregate is washed and purified, water and recycled aggregate are not completely separated, and impurities in the water are left on the surface or inside the recycled aggregate in the treatment process, so that the quality of the recycled aggregate is reduced, and the quality of the recycled aggregate is influenced are solved. And a large amount of impurities and pollutants are accumulated in the washing purification device.

The combustion chamber comprises a chamber body, the chamber body comprises a first cylindrical structure formed by connecting a plurality of outer side walls in a surrounding mode and a second cylindrical structure connected in the first cylindrical structure and formed by connecting a plurality of inner side walls in a surrounding mode; the plurality of inner side walls are respectively connected to the inner sides of the plurality of outer side walls; a plurality of rows of cooling cavities are formed between the adjacent outer side walls and the inner side walls in the vertical direction. A plurality of first airflow passages are formed in the height direction from the outer side of the outer side wall to the inner side of the inner side wall by flowing through the plurality of cooling cavities; cold air flows from the outer side of the outer side wall to the inner side of the inner side wall in the vertical direction through the first airflow channel from bottom to top and then flows out. The utility model aims to provide a combustion chamber and a gas water heater to solve the problems of poor cooling effect of the upper part of the combustion chamber and the like in the prior art.

The utility model aims to provide a cell culture system and a bioreactor. Wherein the culture equipment comprises a mixer used for mixing substances required by cell culture, the mixer comprises a mixing container and a mixing driving part, the mixing container provides a sealed mixing space and is communicated with the outside through a first interface and a second interface, and the mixing driving part can drive the substances to be mixed to move and mix; the bioreactor comprises a reaction container and a plurality of culture trays, the reaction container provides a closed space, and the plurality of culture trays are arranged in the closed space; the closed space is communicated with the outside through a third interface and a fourth interface, the third interface can be communicated with the second interface of the mixer, the fourth interface can be communicated with the first interface of the mixer, and perfusion culture in the bioreactor is provided.

The invention relates to the technical field of sewage treatment, in particular to an air fiber three-dimensional biological filler and a preparation method thereof. The air fiber three-dimensional biological filler provided by the invention comprises a fiber matrix layer of air fiber yarns, wherein the fiber matrix layer consists of a filler net cover and filler inner yarns; and the mass content of the POE plastic in the raw materials of the filler net sleeve and the filler inner wire is 1-10%. The air fiber three-dimensional biological filler provided by the invention has the characteristics of large surface area, difficulty in blockage, convenience in replacement and the like, can increase the biological attachment area, increase the biofilm formation amount, maintain good microbial activity, improve the toughness, processability and aging resistance, and has a better treatment effect.

The invention discloses an adjustable hypoxia training device for plateau hypoxia training, and relates to the technical field of hypoxia training.The adjustable hypoxia training device comprises an oxygen generator, the oxygen generator is fixedly installed in a cabin, the side, close to an air inlet hole, of the oxygen generator is fixedly connected with an air delivery pipe, a connecting hole is formed in the outer side of the air delivery pipe, and a V-shaped block is arranged on the outer side of the air delivery pipe; a limiting ring is fixedly connected to the inner side, close to the connecting hole, of the gas conveying pipe, a round hole is formed in the side edge of the V-shaped block, and a cylinder is fixedly connected to the side, close to the gas conveying pipe, of the V-shaped block. According to the adjustable hypoxia training equipment for plateau hypoxia training, a cylinder drives a V-shaped block to deform towards the side away from a gas conveying pipe, so that gas is exhausted in the inclined direction, lower-layer gas can generate upward power, the lower-layer gas can be mixed with middle-layer gas and upper-layer gas more easily, oxygen is prevented from being accumulated on the lower layer, and the working efficiency is improved. The concentration of oxygen in the cabin is distributed more uniformly in the vertical direction, and dead angles of waste gas in the cabin are reduced.

The invention discloses an industrial pipeline inner wall scale preventer, and relates to the technical field of pipeline scale prevention, the industrial pipeline inner wall scale preventer comprises a round pipe, a treatment mechanism and a pretreatment module, the treatment mechanism comprises a disc, a guide cone is fixedly mounted at the center of the outer side of the disc, and a bent flow channel is fixedly mounted on the side, away from the guide cone, of the disc; the bent flow channel is installed at the edge side of the outer side of the disc, a flow guide hopper is installed at the position, close to a liquid inlet hole of the bent flow channel, of the outer side of the disc, the pretreatment module comprises a first positioning sleeve, a conical device is fixedly installed at a liquid outlet of the first positioning sleeve through a connecting rod, and magnetic blades are fixedly installed at the conical surface of the outer side of the conical device; a supporting frame is fixedly installed between the conical surface of the inner side of the conical device and the bottom of the inner wall of the round pipe, and an auxiliary assembly is installed on the edge of the outer side of the conical device. The anti-scaling device for the inner wall of the industrial pipeline achieves the anti-scaling effect, pretreatment can be conducted, scaling of the inner wall of the pipeline is effectively prevented, the blocking condition is not prone to occurring, and safety and reliability are achieved.

The present invention discloses an adjustable hypoxic training device for plateau hypoxia training, the present invention relates to the field of hypoxic training technology, including an oxygen concentrator, the oxygen concentrator is fixedly installed inside a cabin, a gas pipe is fixedly connected to the side of the oxygen concentrator close to the air inlet, a connecting hole is provided on the outside of the gas pipe, a V-shaped block is provided on the outside of the gas pipe, a limiting ring is fixedly connected to the inside of the gas pipe close to the connecting hole, a circular hole is provided on the side of the V-shaped block, and a cylinder is fixedly connected to the side of the V-shaped block close to the gas pipe. The adjustable hypoxic training device for plateau hypoxia training drives the V-shaped block to deform toward a side away from the gas pipe through the cylinder, so that the gas is discharged in an inclined direction, the lower layer of gas will generate upward power, so that the lower layer of gas is more easily mixed with the gas in the middle layer and the upper layer, avoiding oxygen accumulation in the lower layer, making the oxygen concentration in the cabin more evenly distributed in the vertical direction, and reducing the dead corners of exhaust gas in the cabin.

The utility model discloses a desolventizing device for producing 2-ethyl anthraquinone. The desolventizing device comprises a reaction kettle, a preheating tank, a first desolventizing tank and a second desolventizing tank, a feed port and a discharge port of the preheating tank are respectively communicated with an organic phase outlet of the reaction kettle and a liquid inlet of the first desolventizing tank; a gas outlet of the first desolventizing tank is sequentially communicated with a condenser and a solvent recovery tank; a liquid outlet of the first desolventizing tank is communicated with a BE acid recovery tank; a feed port of the first desolventizing tank is communicated with a water phase outlet of the reaction kettle, a feed port of the second desolventizing tank is communicated with a water phase outlet of the reaction kettle, a gas outlet of the second desolventizing tank is communicated with a gas inlet of the preheating tank, a discharge port of the second desolventizing tank is communicated with an aluminum trichloride recovery tank, and gas inlets of the first desolventizing tank and the second desolventizing tank are communicated with a steam storage tank. The device can effectively recover the solvent, the aluminum trichloride and the BE acid, can realize the recycling of heat, reduces the energy consumption, and greatly reduces the production cost of the 2-ethyl anthraquinone.