19results about How to "Avoid hypoxia" patented technology

The application discloses an aeration dynamic balance digital control method and system for coping with flow state distortion, relates to the technical field of sewage treatment, and comprises the following steps: constructing a sewage treatment aerobic tank multi-point dissolved oxygen and flow state synchronous monitoring system, continuously collecting spatial distribution data of dissolved oxygen, water flow velocity and density in the tank, and generating a flow state distribution graph reflecting the flow state distribution characteristics in the tank; based on the flow state distribution graph, the collected water flow velocity gradient and dissolved oxygen difference are subjected to collaborative feature extraction, and an abnormal area with flow state distortion is identified. Through multi-point monitoring and dynamic weighted control, the application realizes real-time identification of the flow state of the aerobic tank and accurate regulation of the air quantity, maintains the balance of the dissolved oxygen distribution, improves the oxygen transfer efficiency and the operation stability; by introducing a fluid correction factor and a time sequence prediction model, a control closed loop with self-learning and energy-saving optimization capabilities is established, and the intelligence and economy of the aeration process are improved.

The invention discloses a rice blast-resistant rice crossbreeding device and method, and relates to the technical field of rice crossbreeding, the rice blast-resistant rice crossbreeding device comprises a cylinder, a fixing ring is fixedly connected in the cylinder, a plurality of supporting rings are arranged in the fixing ring, and a through groove is formed in the inner wall of the top of each supporting ring; the outer sides of the supporting rings are fixedly connected with middle plates, the two ends of each middle plate are fixedly connected with the two adjacent supporting rings correspondingly, and supporting assemblies are arranged in the supporting rings. According to the rice blast-resistant rice crossbreeding device and method, air in the conical barrel can be continuously exchanged with the outside through holes among the supporting rings, sufficient oxygen is provided for seed germination and root growth, breeding of anaerobic microorganisms is effectively inhibited, the risk of seed rotting and root rotting is reduced, and meanwhile, the yield of the rice blast-resistant rice is increased. A stable distance is formed between the bottom of the conical barrel and the water liquid level through the supporting structure of the upper and lower double circular plates, and seeds can be concentrated in the conical barrel and stably make contact with water.

The invention discloses a gas control device for a coal face, and belongs to the technical field of gas control. Comprising a supply mechanism used for supplying air to a device placement position, and a detection mechanism and a collection mechanism are arranged on the supply mechanism; by arranging the detection mechanism, when the detector detects that the concentration of gas around the device rises to a preset safety early warning value, the collection mechanism is automatically started, accumulated gas is forcibly discharged into the gas collection pipe, and advanced treatment and quick response to gas hidden dangers are achieved; air supply, gas extraction and dust filtration are integrated into a single device, a supply mechanism can supplement fresh air to the deep position of a working face, and oxygen deficit is prevented; the collecting mechanism can actively extract high-concentration gas from the source of the coal mining machine, and dust is filtered before the gas enters a conveying pipeline; and the detection mechanism is used for monitoring the gas concentration around the device placement point in real time and treating locally accumulated gas.

This utility model provides a modular turtle rearing box, relating to the field of aquaculture technology. It includes a rearing box with a rubber pad on its inner wall and a transport assembly inside. The transport assembly includes a water tank welded to the inner edge of the rearing box, a drainage pipe connected to the bottom of the water tank, and a protective cover connected to the top slot of a cross-shaped partition. By setting up the water tank and drainage pipe, sufficient and evenly draining water is ensured during transportation, keeping the turtles in a humid environment. The cross-shaped partition divides the device into four compartments, allowing one turtle to be placed in each compartment, thus separating the turtles and preventing accidental collisions or attacks during transport. The protective cover seals the device, preventing the turtles from climbing out and suffering unnecessary damage during transport. A feeding trough facilitates easy and quick refeeding.

The utility model discloses a layered structure of soilless culture, it includes planting pot, is equipped with planting matrix and water absorption rope in the planting pot, plants are planted in the planting matrix, and the water supply liquid is transported to the planting matrix through the water absorption rope, the planting matrix is divided and has a plurality of areas, and plants are planted in the planting layer, and the water absorption rope is arranged in the water saturation layer. The utility model realizes efficient water supply, and the water supply liquid is accurately transported to the water saturation layer through the water absorption rope, and in combination with layered design, the water saturation layer, planting layer and moisture retaining layer realize water gradient distribution, satisfy the demand of different growth stages of plants, avoid root waterlogging or drought, and the water saturation layer, planting layer and moisture retaining layer combination, give consideration to water conservation, ventilation and nutrient supply.

This application provides an anesthesia endoscopy mouth pad, relating to the field of medical devices. The anesthesia endoscopy mouth pad includes a mouth pad body and a strap; the mouth pad body includes an occlusal portion, a connecting portion, and a tongue depressor portion. The occlusal portion has a communicating channel, and one end of the occlusal portion is connected to the tongue depressor portion; the tongue depressor portion gradually curves away from the axis of the communicating channel from the proximal end to the distal end, and its width gradually decreases; the connecting portion surrounds the outer periphery of the occlusal portion and is connected to the outer wall of the end of the occlusal portion away from the tongue depressor portion, and the connecting portion is detachably connected to the strap. The anesthesia endoscopy mouth pad provided by this application solves the technical problem of poor effectiveness and decreased oxygen saturation in existing endoscopy techniques.

The utility model relates to moxa treatment technical field more specifically, relate to a kind of calabash moxa device, including base, set up on the base dust screen, set up on the dust screen calabash body, further include with the base sliding connection lifting piece, and for fixing the fixing assembly of lifting piece, dust screen is set on lifting piece, and fixing assembly is respectively connected with lifting piece and base. By setting dust screen on lifting piece, then the height of dust screen can be adjusted by lifting piece, and then the distance between moxa stick and patient skin is adjusted, so that medical staff can adjust moxa temperature according to different situation of different patients, improve moxa treatment effect.

The utility model provides an adjustable hammock and tent, the hammock comprises a hammock body, the end part of the hammock body is provided with at least one fixing ring; the end of the connecting rope is connected to the end of the hammock body, the middle of the connecting rope is connected with the fixing ring, two adjusting areas are defined by the connecting rope and the end of the hammock body, and at least two hanging rings are arranged on the connecting rope; the hammock comprises a hammock body and a fixing structure, the fixing structure is used for connecting the connecting rope with an external object so as to fix the hammock, the tent comprises the hammock, the tent can shield sun and rain for a user, and the hammock can enhance the strength and flatness of the hammock body and improve the comfort of the user on the hammock.

The application relates to the technical field of fruit tree seedling raising, in particular to a fruit tree seedling raising root-limiting container, which comprises a seedling raising container, a non-woven fabric planting inner cylinder and a moisturizing cover body. The seedling raising container is in a cylindrical shape, the bottom of the seedling raising container is provided with a circular-truncated-cone-shaped supporting part, the non-woven fabric planting inner cylinder is arranged in the inside of the seedling raising container and located on the supporting part, the moisturizing cover body is detachably arranged on the top opening of the seedling raising container, and the moisturizing cover body is provided with a seedling passage in the center. A flow guide groove is formed between the supporting part and the sidewall of the seedling raising container, and the supporting part and the sidewall of the flow guide groove are both provided with water seepage holes. The application combines the ventilation at the bottom of the seedling raising container and the moisturizing at the top of the seedling raising container, reduces soil water evaporation, improves water utilization rate, reduces water supplement frequency, guarantees the ventilation at the bottom of the non-woven fabric planting inner cylinder, avoids root system oxygen deficiency and reduces the risk of root rot.

The utility model discloses an anti-flying stone safety shed based on mine blasting, and belongs to the technical field of mine safety sheds, the anti-flying stone safety shed comprises a base, an anti-blasting shed body and a lifting platform, the anti-blasting shed body is fixedly connected to the upper surface of the base, the lifting platform is fixedly connected to the upper surface of the base, and a forward and reverse motor is fixedly connected to the interior of the lifting platform. The flying stone prevention safety shed based on mine blasting has the beneficial effects that by arranging the threaded column, the threaded pipe and the protection plate, when people need to protect the observation window, the flying stone prevention safety shed based on mine blasting can protect the observation window through the threaded column, the threaded pipe and the protection plate; people only need to control the forward and reverse motor to operate through the control switch so as to drive the threaded column to rotate, the protective plate is driven to move under the cooperation of the threaded column and the threaded pipe, and after the protective plate shields the observation window, people only need to control the forward and reverse motor to stop operating through the control switch so as to achieve the purpose of protecting the observation window.

The invention relates to the technical field of medical devices, and discloses a medical humidifying sputum suction device which comprises a catheter body, a fixing assembly is arranged on the outer wall of the catheter body, a collecting box is fixedly connected to the outer wall of one end of the catheter body, and an adjusting assembly is arranged on the outer wall of the other end of the catheter body. A first sputum suction tube, a first infusion tube and a breathing tube are arranged on the inner wall of the catheter body, a switch valve is fixedly connected to the inner wall of the lower side of the collecting box, a second one-way valve is fixedly connected to the communicating position of the catheter body and the inner wall of the breathing tube, and a sealing ring is fixedly connected to the attaching position of the outer wall of the catheter body and the adjusting assembly. The fixing assembly, the collecting box and the adjusting assembly are installed on the outer wall of the catheter body, the first sputum suction tube, the first infusion tube and the breathing tube on the inner wall of the catheter body are in butt joint with the inner wall of the collecting box, and the breathing tube can stably supply oxygen while liquid can be effectively prevented from flowing back through cooperation of the first one-way valve and the switch valve.

This invention provides a grouped self-cleaning aeration and fluidization system, relating to the field of wastewater treatment aeration technology. It includes: a dissolved oxygen sensor, an intelligent control box, a blower, and grouped aeration modules. The intelligent control box includes a power distribution module, a control and protection module, a PLC control module, a cloud-based IoT gateway module, and a data acquisition module. The grouped aeration modules include multiple aeration units; each aeration unit includes multiple independent microporous hoses, hose fixing brackets, and butterfly valves. The dissolved oxygen sensor is connected to the PLC control module. The PLC control module, blower, and grouped aeration modules are connected sequentially. The PLC control module is connected to the butterfly valves. The PLC control module controls the opening and closing of the butterfly valves, performing self-cleaning and starting / stopping the grouped aeration modules. This invention can form directional water flow, achieving full-pool aeration and fluidization, preventing sludge accumulation at the bottom of the pool, and improving sludge suspension and oxygen transfer efficiency.

The present application relates to the technical field of cultivation equipment, in particular to a greenhouse strawberry A-frame cultivation system, which comprises an A-frame, and a plurality of groups of planting frames arranged on both sides of the A-frame, the lower surface of each planting frame is provided with a plurality of groups of penetrating air holes, the inner side of each planting frame is provided with a horizontally arranged liquid storage shell, and a plurality of groups of return springs are fixedly connected between the lower surface of the liquid storage shell and the inner side of the planting frame; through the return springs, the liquid storage shell and the piston column, the air holes are automatically closed during irrigation to prevent water leakage; after irrigation is completed, the return springs drive the piston column to separate from the air holes, the air circulation at the bottom is restored, soil oxygen deficiency and root decay are avoided, the traditional planting frame bottom is closed, which leads to insufficient ventilation, the present application realizes intelligent switching of closing during irrigation and ventilation during non-irrigation through mechanical linkage, the demand for ventilation and water retention can be balanced without manual intervention, and the root activity of strawberries is significantly improved.

This utility model belongs to the field of food fermentation technology, specifically a broken rice fermentation processing device, including a fermentation tank, and further including: a motor, fixed to the bottom of the fermentation tank; a turning component, disposed inside the fermentation tank and connected to the output end of the motor; a gas conveying component, disposed on the outside of the second fixed frame, with the gas conveying end disposed on the inside of the turning component; and a cover plate assembly, disposed on the inside of the top of the fermentation tank. This utility model provides a broken rice fermentation processing device that, through a motor-driven turning component, periodically turns the broken rice raw material inside the fermentation tank during the fermentation process, ensuring the uniformity of the fermentation process, avoiding incomplete or excessive fermentation in certain areas, and helping to release the gas generated during fermentation, maintaining gas circulation, preventing gas accumulation, avoiding oxygen deficiency or overheating, and ensuring a suitable fermentation environment.

The utility model discloses roe incubation promoting equipment which comprises an incubation box (1) with an opening in the top, a square fence (2) is arranged in the incubation box (1), the bottom of the fence (2) is fixed to a bottom plate of the incubation box (1), an incubation area (3) is formed on the inner side of the fence (2), an equipment installation area is formed on the outer side of the fence (2), and a plurality of inclined shading plates (4) are arranged in the fence (2). The light shielding plates (4) are arranged side by side in the horizontal direction to cover the whole hatching area (3), an ascending channel (5) for fish fries is formed between every two adjacent light shielding plates (4), and a light source (6) is arranged above the hatching area (3). The utility model has the advantages of can improve roe hatching success rate and fry survival rate.

The utility model provides a kind of yellow rice production device of wrong layer stirring, belong to the technical field of yellow rice production and processing equipment, including bearing mechanism, including stirring drum;Aeration mechanism, including annular pipeline fixedly installed in the stirring drum outside, pump machine fixedly installed in the end of annular pipeline, connecting pipe fixedly installed in the pump machine outside.The utility model realizes the dynamic coverage of whole liquid layer of mash by liftable mechanical stirring subassembly cooperation with turbulence turbine, and the multi-dimensional disturbance of upper layer is strengthened by stirring rod, and gas-liquid exchange is strengthened, and middle layer eliminates stirring blind area by the rotation of rotating shaft sleeve, and bottom layer is prevented from depositing by the strong vortex generated by turbulence turbine;Symmetrical arrangement of three groups of micropore aeration pipes ensures uniform distribution of oxygen, avoids upper layer anoxia, and adjustable rotating speed design driven by servo motor can optimize stirring intensity for different fermentation stages, fundamentally eliminates the stratification phenomenon caused by traditional device, and guarantees fermentation uniformity and product consistency.

The utility model relates to a microbial fermentation seed transferring device which comprises a seed tank, a fermentation tank; a main pipeline; a seed tank first air pipe; a seed tank second air pipe; a fermentation tank first air pipe; a fermentation tank second air pipe; before seed transferring, the first air pipe of the seed tank conveys air to the seed tank, and the first air pipe of the fermentation tank conveys air to the fermentation tank; in the seed transferring process, the second air pipe of the seed tank conveys air to the seed tank, the second air pipe of the fermentation tank conveys air to the fermentation tank, and seed liquid in the seed tank is conveyed to the fermentation tank through the main pipeline. According to the microbial fermentation seed transferring device disclosed by the utility model, the pipeline design of the microbial fermentation seed transferring device is optimized, so that the seed liquid is prevented from oxygen deficit in the main pipeline in the seed transferring process of the seed tank, the bubbling phenomenon generated in the seed transferring process of the fermentation tank can be avoided, and the reverse transmission can be started under the condition that the seed liquid is relatively thick; seeds are transplanted after the seed solution is diluted, so that the performance is more perfect, and the application is wider.

The utility model discloses a juvenile mussel cultivation system of family selection of philippine clam, relates to juvenile mussel cultivation technical field, including water supply main pipe, a plurality of cultivation cylinder subassembly, one end of water supply main pipe is used to communicate with pond inside, the lower part of each cultivation cylinder subassembly can communicate with water supply main pipe, and water supply main pipe is used to make pond water into each cultivation cylinder subassembly, the water in cultivation cylinder subassembly can overflow through the upper end of cultivation cylinder subassembly, the cultivation cylinder subassembly is used for cultivating philippine clam, and different family's philippine clam can be cultivated in different cultivation cylinder subassembly. The utility model can realize the separate cultivation of different kinds of family's philippine clam, and the circulation of water is convenient, and the growth of philippine clam is facilitated.

This utility model relates to a high-efficiency air outlet with an easily detachable diffuser plate for cleanrooms. It includes a high-efficiency air outlet plenum body, a plenum flange, and a diffuser plate body. The plenum flange is installed at the air outlet of the plenum body. At least two opposing temporary fixing mechanisms are installed on the diffuser plate body, and these temporary fixing mechanisms are detachably connected to the plenum flange. At least two opposing permanent locking mechanisms are also installed on the diffuser plate body, and these permanent locking mechanisms are adjacent to the temporary fixing mechanisms and are detachably connected to the plenum body. This utility model improves the efficiency of diffuser plate assembly and disassembly, reduces the risk of safety accidents, and thus ensures worker safety.