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203results about How to "Improve air quality" patented technology

Intelligent control method and system for laminar flow air supply unit special for operating room

ActiveCN119665408AMeet cleanliness requirementsimprove environmental qualityMechanical apparatusSpace heating and ventilation safety systemsData setData stream
The invention relates to the technical field of intelligent control, and discloses an intelligent control method and system for a laminar flow air supply unit special for an operating room, and the method comprises the steps: constructing a three-dimensional space topology model of the operating room, collecting the spatial position data of medical staff and equipment in real time in an operation process, and forming a spatial-temporal trajectory data set; analyzing the spatial-temporal trajectory data set to generate a pollution source distribution thermodynamic diagram; acquiring an environment state data flow and a personnel state data flow of the operating room, and predicting a dynamic heat and humidity load demand curve of the operating room in a future time period through a pre-trained heat and humidity load demand prediction model; based on the dynamic heat and humidity load demand curve, the operating room three-dimensional space topology model and the pollution source distribution thermodynamic diagram, a dynamic air supply control strategy is generated, and a laminar flow air supply unit is controlled to conduct intelligent air supply; the heat and humidity load demand of the operating room can be accurately predicted, the air supply strategy is dynamically optimized, and the air supply energy consumption is remarkably reduced while the cleanliness of the operating room is guaranteed.
Owner:SHENZHEN XIANG NAN HIGH TECH PURIFICATION EQUIP

Existing anchoring and shotcreting side slope ecological restoration technology and method with shrub planting as core

The invention discloses an existing anchoring and shotcreting side slope ecological restoration technology and method with shrub planting as the core, a side slope vegetation hole environment improving device and a hole filling layered structure design are included, and the side slope vegetation hole environment improving device is mainly composed of a conical threaded drill bit, a connecting rod, a motor, a metal connecting hose, a pressure storage tank and an air compressor. The motor provides power for penetration of the gas injection needle head, and the air compressor provides power for injection of the plant nutrient solution; the vegetation hole layered structure comprises a bottom water retention layer, a base fertilizer layer, a nutrient soil layer and a surface covering layer; environment improvement is conducted on the vertical and horizontal directions of the planting holes through an environment improvement device, local dominant shrubs are planted in the planting holes, and local dominant vine plants are planted at the top of the slope to comprehensively and ecologically protect the slope; comprising the following steps: step 1, investigating and surveying plant communities and analyzing slope stability; step 2, slope vegetation hole environment improvement; 3, planting hole construction; and 4, slope top vine plant ecological slope protection construction is carried out.
Owner:CHONGQING JIANGYUAN ENG TECH CONSULTING CO LTD

Intelligent ventilation system for efficient mining of mine

The invention relates to the field of mine mining, and discloses a mine efficient mining intelligent ventilation system which comprises an intelligent monitoring module, the intelligent monitoring module is installed in a mine, environment information in the mine is collected, and the collected information is transmitted to a central control module; the intelligent monitoring module is connected with a central control module, and the central control module is the core of the whole system, receives parameter information transmitted by the intelligent monitoring module, and controls the ventilation equipment module to start according to the parameter information. According to the air purification module, various treatment modes including multi-stage filtration, oxygen supplement, catalytic oxidation, chemical spraying, adsorbent purification, catalytic combustion and the like are adopted for different harmful gases. Therefore, the system can effectively remove various pollutants in mine air, air quality is improved, and health and safety of workers are guaranteed.
Owner:MCC NORTH (DALIAN) ENG TECH CO LTD

Positive pressure type air purification system and method for limited space

The invention relates to a positive pressure type air purification system and method for a limited space, by constructing a relatively closed space and adopting an efficient multi-stage filtering technology, the system can quickly remove particulate matters, bacteria, viruses and harmful gases in air, and the air quality in the limited space is remarkably improved. The positive pressure control method ensures that external polluted air cannot enter, and the cleanliness of the working environment is further guaranteed. The intelligent control system achieves remote monitoring and automatic adjustment through the Internet of Things technology, the response speed and operation convenience of the system are improved, real-time data analysis and trend reports are provided, and a user is helped to better manage and maintain the system. In addition, proper working conditions are ensured through the temperature and humidity adjusting function, and therefore a healthy, safe and efficient working environment is provided for workers. According to the invention, the working conditions with strict requirements on the air cleanliness are met, and the user experience and the reliability of the system are greatly improved.
Owner:ELECTRIC POWER SCI & RES INST OF STATE GRID TIANJIN ELECTRIC POWER CO +2

A welding auxiliary positioning device for steel structure construction

ActiveCN119328411BRealize assisted positioningreduce harmWelding/cutting auxillary devicesDirt cleaning
The present invention belongs to the technical field of steel structure welding, and specifically relates to a welding auxiliary positioning device for steel structure construction, including a positioning mechanism, etc.; the positioning mechanism is provided with at least four groups, and the steel column is limited by all the positioning mechanisms in cooperation. The present invention realizes that by magnetically attracting four fixing plates to the outer surface of the lower steel column, and then manually pushing four plugs in sequence, the four plugs are all moved to the upper surface of the lower steel column, and the plugs are locked by the corresponding elastic member I, and the upper steel column is limited by all the limit blocks, so that the upper steel column and the lower steel column remain flush, by twisting all the bolts until all the limit blocks are against the surface of the upper steel column, and then the clamp I is installed on the four fixing plates, and the clamp I is locked, so that the two steel columns are tightly held and the two steel columns are kept flush, thereby realizing auxiliary positioning of the two steel columns.
Owner:CHINA METALLURGICAL ROAD & BRIDGE CONSTR CO LTD

Building roof greening and rainwater recycling irrigation system

The invention relates to the technical field of building roof greening, and discloses a building roof greening and rainwater recycling irrigation system which comprises a microcontroller, a greening module arranged on a building roof, a rainwater recycling module connected with the greening module and an irrigation module. The microcontroller is electrically connected with the greening module, the rainwater recycling module and the irrigation module; the greening module sequentially comprises a water collecting layer, a filtering layer, a protective layer, a pervious concrete layer, a nutrient soil layer and a vegetation layer from bottom to top. The rainwater recycling module comprises a water pumping pipe arranged at the top of the side wall of the water collecting layer and a rainwater recycling box connected with the water pumping pipe; the rainwater recycling box comprises a first filter box, a second filter box, a disinfection box and a clear water box which are sequentially arranged from top to bottom; the irrigation module comprises a first water suction pump connected with the clear water tank, a water outlet pipe connected with the first water suction pump, a water conveying pipe connected with the water outlet pipe, a drip irrigation pipe connected with the water conveying pipe and a water dropper. By means of the system, maximum utilization of rainwater resources and continuous improvement of the ecological environment are achieved.
Owner:杨欢欢

Alcohol-resistant automobile interior TPO (Thermoplastic Polyolefin) skin

The invention discloses an alcohol-resistant automobile interior TPO skin, and relates to the technical field of artificial leather. The alcohol-resistant automobile interior TPO skin comprises a coating, a TPO surface layer and a foaming layer from top to bottom, wherein the coating comprises a surface layer and a bottom coating; the surface layer is prepared from the following raw materials in a mass ratio: a matte water-based polycarbonate polyurethane emulsion, a bright water-based polycarbonate polyurethane emulsion, a curing agent, a slipping agent and a defoaming agent in a mass ratio of 3: 1: (0.24-0.48): (0.24-0.4): (0.012-0.016); the bottom coating comprises the following raw materials: waterborne polyurethane resin and a carbodiimide curing agent in a mass ratio of 100: (4-6). The alcohol-resistant automobile interior TPO skin has the effect of good alcohol resistance, and the problem that an existing automobile interior TPO skin is poor in alcohol resistance is solved.
Owner:GUANGDONG TIANAN POLYMER TECH CO LTD +1

Partitioned diversion control system and method for air outlet of air conditioner

The invention discloses an air conditioner air outlet partition flow guide control system in the field of smart home, which comprises an air conditioner indoor unit, the bottom of the air outlet end of the air conditioner indoor unit separately communicates with a plurality of independent air outlets and corresponding temperature adjusting cavities, and the inner side wall of each air outlet is rotatably connected with a plurality of up-down swing plates and left-right swing plates. An image sensor, a pickup microphone and a control unit are integrated in the air conditioner indoor unit, the motor, the temperature sensor and the air speed sensor are all connected with the control unit, and the control unit is used for automatically adjusting the air supply temperature and the air speed of an air outlet close to a user according to identity information, position information, environment preference and the like of the user. The swinging angles of the up-down swinging plate and the left-right swinging plate are controlled. The intelligent air conditioner is scientific and reasonable, the multiple air outlets, the temperature adjusting cavity, the image sensor, the pickup microphone and the control unit are integrated, identification and tracking of identity information, user positions and environment preferences are achieved, and accurate regulation and control of air supply parameters are conducted.
Owner:CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY

A waste plastic crusher

The invention relates to the technical field of pulverizers, and discloses a waste plastic pulverizer, comprising a box body, a pulverizing roller, and a driving structure. Two or more pulverizing rollers are symmetrically and rotatably installed in the box body. The driving structure is arranged at both ends of the pulverizing rollers and drives the pulverizing rollers to rotate. A cooling chamber and a steam chamber are coaxially provided in the pulverizing roller. The diameter of the cooling chamber is larger than the diameter of the steam chamber. A filter ring that only allows water vapor to pass through is arranged between the cooling chamber and the steam chamber. Pure water is introduced into the cooling chamber. A plurality of nozzles connected to the steam chamber are also arranged on the surface of the pulverizing roller, and a safety valve is arranged on the nozzle. When the surface temperature of the pulverizing roller rises, the pure water in the cooling chamber absorbs heat and evaporates, so that the surface temperature of the pulverizing roller is reduced and maintained within a reasonable range, thereby avoiding equipment damage caused by overheating, and preventing local overheating of the plastic and melting, thereby ensuring the pulverizing quality, and preventing the plastic from being deformed or adhering to the equipment due to high temperature.
Owner:SHEXIAN SIFANG ENERGY RECYCLING CO LTD

Mine repairing device

The utility model relates to a mine repairing device in the technical field of mine repairing, and the mine repairing device comprises a metal net which is arranged on a side slope of a mine, and a gap is reserved between the metal net and the side slope; the base layer covers the side slope and the metal net; and the seed layer covers the substrate layer. According to the mine remediation device, the adhesive capacity of soil on the side slope of the mine can be improved, and the survival rate of green plants is increased.
Owner:BEIJING KUANGWUJU SYNTHESIZE GEOLOGY ENG CO

Dust purification device for fire extinguishing system reconstruction project

The utility model discloses a dust purification device for a fire-fighting system transformation project, and relates to the technical field of fire-fighting transformation. The device comprises a purifying box, a filtering box is arranged in the purifying box, a filtering mechanism is arranged in the filtering box, an air inlet mechanism is arranged on the purifying box and communicated with the filtering box, an air pump is fixedly installed on the side wall of the filtering box, and a communicating pipe is fixedly installed at the air outlet end of the air pump. And a humidifying mechanism is arranged at one end of the communicating pipe, a water supply mechanism is fixedly installed on the side wall of the bottom end of the purifying box, and the water supply mechanism communicates with the humidifying mechanism. According to the device, targeted dust falling can be conducted on an area, so that the air dust content of the position where constructors are located is reduced, the moisture content of air exhausted through the humidifying pipe can be increased, auxiliary dust falling can be further conducted, and therefore the air quality of the area where the constructors are located is improved.
Owner:JIANGSU PEIXIN CONSTRUCTION ENGINEERING CO LTD

Welding tool for assembling automobile door panel

The utility model relates to the technical field of automobile door panel processing, and discloses a welding tool for assembling an automobile door panel, which comprises a machine body, a fixed adjusting component and a protective component are arranged above the machine body, the fixed adjusting component comprises a rectangular frame, and a door panel body is placed on the upper surface of the rectangular frame. According to the welding tool for assembling the automobile door panel, through combination of an air cylinder and a rubber pad, stable clamping of a door panel body is achieved, the rubber pad protects the surface of the door panel from being damaged, the adaptability of equipment to door panels of different sizes is enhanced through a limiting rod and a swing piece, the height of a rectangular frame is adjusted through a traction rope, and the door panel is accurately positioned; the welding assembly supports double-face welding, the efficiency is greatly improved, a protective curtain and a collecting frame are matched with a breathable grid plate, welding smoke is effectively extracted and filtered, the air quality is improved, the health of operators is guaranteed, residues are conveniently collected and discharged through the design of a scraper, impurity retention is avoided, the welding process is optimized through the overall structure, and the production efficiency, the environmental protection property and the safety are improved.
Owner:KUNSHAN ZENUO PRECISION MOULD CO LTD

Garbage incinerator front pushing platform with deodorization function

The utility model discloses a garbage incinerator front material pushing platform with a deodorization function, which relates to the technical field of spray deodorization, and comprises a liquid storage tank, the liquid storage tank is connected with a liquid inlet end of a liquid supply pump fixed on a base in a matching way through a connecting pipe, and the liquid storage tank is connected with the liquid inlet end of the liquid supply pump through a connecting pipe. Wherein the connecting pipe is further connected with a butterfly valve in series; the liquid outlet end of the liquid supply pump is connected with a liquid supply pipe, and the tail end of the liquid supply pipe is at least connected with one atomizing nozzle; according to the utility model, after liquid medicine in the liquid storage tank is used up, the make-up pump is started, an external water source enters the water inlet pipe and is pumped into the liquid storage tank, the medicine is added according to the proportion of water quantity and medicine quantity, and after the metering pump is started, the metering pump pumps out the medicine in the medicine tank through the medicine inlet pipe and conveys the medicine into the liquid storage tank through the medicine make-up pipe. Therefore, the addition of the medicament is realized; in this way, manual proportioning is omitted, and the requirement for spraying deodorization on the garbage incinerator pushing platform is met.
Owner:NANNING SANFENG ENERGY CO LTD

Air flow purification device of fully-mechanized face air return crossheading

ActiveCN224064403UEffectively control pollutionpollution controlHuman health protectionDust removalDust controlStructural engineering
The utility model belongs to the technical field of roadway dust removal, and relates to an air flow purification device of a fully-mechanized face air return crossheading, which comprises a frame type component, a lifting component, a lower rotating component, an upper rotating component and a spraying component, the frame type component is used for allowing an operation vehicle to pass through, and the lifting components are arranged on the two sides of the frame type component and used for achieving lifting of an upper structure in the frame type component; a spraying component is arranged in the middle of the upper structure of the frame type component and used for treating dust in an area where a vehicle passes through. The rotating lower part is hinged with one side of the lower structure of the frame type part, and the spraying part is arranged at the upper part of the rotating lower part; the rotating upper part is hinged to the side, close to the rotating lower part, of the upper structure in the frame type part, and a dust catching net is arranged between the rotating upper part and the frame type part. Sufficient passing space is provided for vehicles, obstruction of a traditional dust catching net to traffic is avoided, different roadway heights and environment conditions can be flexibly adapted, and the stability of the treatment effect is ensured.
Owner:SHAANXI COAL IND GRP SHENMU NINGTIAOTA MINING CO LTD +1

Public health space deodorization device

InactiveCN119640911Areduce flow rateSolve problems that are prone to discomfortLavatory sanitorySpecial buildingAromatherapyPublic health
The invention relates to the technical field of public health space deodorization, and discloses a public health space deodorization device which comprises an outer shell, a power source is installed at the upper left corner of the interior of the outer shell, an air supply barrel is connected to the upper right corner of the interior of the outer shell through a pipeline, and a guide plate is fixedly connected to the bottom of the air supply barrel. A first fan is arranged above the guide plate, a PTC ceramic heating body is fixedly connected to the lower side of the inner wall of the air supply barrel, and an air buffering barrel is fixedly connected to the middle of the inner wall of the air supply barrel. Air is heated through the PTC ceramic heating body, meanwhile, the flow velocity of the air is slowed down in cooperation with the flow dividing plate of the slow air barrel and the vortex barrel, the air evenly flows through the aromatherapy block, and therefore fragrance is effectively released, the air quality of the public health space is improved, and the aromatherapy block is stabilized and replaced in cooperation with the limiting plate; the long-term continuous emission of the fragrance is ensured, the later maintenance is convenient, and the problem that residual peculiar smell is difficult to cover, so that the air in the space is easy to feel uncomfortable is solved.
Owner:CHONGQING UNIV OF TRADITIONAL CHINESE MEDICINE

Medical clean room temperature and humidity control device

ActiveCN224623047Ulow costimprove air quality
This utility model relates to the field of medical engineering, and more particularly to a temperature and humidity control device for medical cleanrooms. This utility model provides a device that can regulate the temperature and humidity of a medical cleanroom while simultaneously performing secondary filtration of incoming air, reducing costs, improving air quality, enhancing work comfort and efficiency, reducing cross-infection, and is easy to use. The device includes a support frame, with two supports, left and right. This utility model utilizes a fan for ventilation, a hot / cold medium entering a connecting frame to regulate temperature, and air filtration through a filter or by rotating a plate to reset, allowing air to condense in a condenser or be humidified by a humidifier. This allows for simultaneous regulation of temperature and humidity in the medical cleanroom and secondary filtration of incoming air, reducing costs, improving air quality, enhancing work comfort and efficiency, reducing cross-infection, and providing ease of use.
Owner:SUZHOU SHENGSHI HUAWEI DECORATION DESIGN ENG CO LTD

Vehicle air conditioner cleaning system

The invention belongs to the technical field of vehicle air conditioner cleaning, and discloses a vehicle air conditioner cleaning system which comprises a conveying mechanism, a cleaning mechanism, a liquid supply mechanism and an identification mechanism. The cleaning mechanism can automatically adjust the cleaning track of the surface cleaning assembly and the spraying angle of the spraying assembly, precise cleaning is achieved, and adaptability is high; and the liquid supply mechanism continuously and stably supplies liquid to the cleaning mechanism, so that the surface cleaning assembly and the spraying assembly can comprehensively clean the air conditioner. The raising piece on the tray raises one side of the air conditioner, so that wastewater can be quickly discharged; the bottom of the tray is hollowed out to avoid shielding of the spraying assembly and guarantee no cleaning dead angle. The vehicle air conditioner cleaning system is high in cleaning capacity, capable of designing cleaning modes according to different types of vehicle air conditioners, high in cleaning efficiency and high in automation degree, cleaning waste water residues can be effectively removed, and the using effect of the cleaned vehicle air conditioner and the air quality in a compartment are ensured.
Owner:BEIJING RAILWAY INST OF MECHANICAL & ELECTRICAL ENG

Quantitative feeding mechanism for feed processing

The utility model relates to the technical field of feed processing, and discloses a quantitative feeding mechanism for feed processing, which comprises a support. The feeding bin is fixedly connected to the top of the support, and the hopper is fixedly connected to the top of the feeding bin; the motor I is arranged on the right side of the outer part of the feeding bin; the first rotating rod is fixedly connected to the output end of the first motor, the first rotating rod is rotationally connected to the interior of the feeding bin, and the second rotating rod is rotationally connected to the interior of the hopper; the first gear and the second gear are meshed with each other, and the first gear is fixedly connected to the left side of the outer portion of the first rotating rod. According to the feeding device, in the feed processing process, quantitative feeding of raw materials is facilitated, manual operation of operators is not needed, the situation of excessive feeding or small feeding is avoided, and therefore the quality of feed is improved.
Owner:NANCHONG TWINS FEED CO LTD

Servo high-torque vibrating knife cutting device

The utility model relates to the technical field of vibration knife, and disclose a kind of servo high-torsional vibration knife cutting equipment, including pedestal, further include: install the adsorption device frame in pedestal top, the outer wall opposite side of two described adsorption device frame is fixedly connected with blast nozzle, the inside of two described adsorption device frame is equipped with air blower, by air blower cooperation blast nozzle, can effectively adsorb the dust generated by cutting, filter plate can preliminarily filter large particle waste dust to dust collecting groove, simultaneously, brush can clean dust on filter plate under the driving of screw rod, connecting piece etc., dust is collected by dust collecting groove, it is convenient to clean, guarantee the clean air around equipment, reduce the harm of dust to operator health, filter cartridge and fan in air outlet box, further purify air, discharge clean airflow, maintain good air quality in working environment, on cutting function, pneumatic cylinder can accurately control the down pressure degree of tool bit.
Owner:SHANDONG BANGZHENG MASCH EQUIP CO LTD

Sludge incineration treatment system

ActiveCN121993803ASolve the problem of low pressure and easy blockageensure stabilityIncinerator apparatusFluidized bedSulfidation
The invention relates to a sludge incineration treatment system, and belongs to the field of sludge treatment. Comprising a sludge feeding system, an incineration system, an ash delivery system and an ash circulation system. By means of the double-sleeve type ash feeding pipeline, the air feeding quality can be improved, the problem that the rear section of a traditional air feeding system is small in pressure and prone to blockage is solved, high-pressure blowing is matched, and the stability of a sludge feeding system is guaranteed. A wear-resistant protective sleeve is additionally arranged at the elbow of the ash conveying pipeline, so that normal operation of equipment is ensured. The sleeve type high-temperature protection pipe is additionally designed, so that the problem of pipeline breakage caused by thermal expansion is completely eradicated; through the design structure of the valve, the flashboard is prevented from being clamped due to the fact that ash residues are accumulated in the supporting plate or gaps. By designing a cooling water line of the cooler, the steam heat efficiency of the circulating fluidized bed boiler is ensured. And an ash circulating system is additionally arranged, carbon particles which are not completely combusted in ash are fed into the hearth again, and the fuel utilization rate is increased.
Owner:LUTAI TEXTILE

Moped battery negative grid surface treatment system

The invention relates to the technical field of battery production, in particular to a moped battery negative grid surface treatment system. Comprising a box body, the two ends of the box body are provided with a feeding port and a discharging port respectively, the feeding port and the discharging port are oppositely arranged, a clamping driving device is arranged in the box body, and a sand blasting treatment device is arranged at the upper end of the box body. When the battery negative grid is subjected to sand blasting treatment, the spray head can swing at multiple angles in the rotating process, and an included angle is formed between the sand blasting direction and the battery negative grid, so that effective sand blasting can be performed on the side surfaces of transverse ribs and longitudinal ribs of the battery negative grid during sand blasting, and the sand blasting area of the battery negative grid can be increased; and the adhesive force of the lead paste on the negative grid of the battery is improved.
Owner:TIANNENG GRP HENAN ENERGY TECH

Handheld sample information machine

The invention relates to the technical field of information acquisition devices, in particular to a handheld sample information machine which comprises an ink-jet printer body, a display screen and an ink-jet nozzle are mounted on the outer side of the ink-jet printer body, and a positioning assembly used for positioning the ink-jet position of a packaging carton is mounted on the outer side of the ink-jet printer body; the positioning assembly comprises a transverse frame with one end movably penetrating through the ink-jet printer body, the top of the transverse frame is provided with a ventilation groove penetrating through the transverse frame, one side of the transverse frame is open, one end of the transverse frame is provided with a sealing plug movably penetrating into the transverse frame, and one side of the ink-jet printer body is provided with a separation assembly used for separating the internal space of the transverse frame. The end, away from the sealing plug, of the transverse frame is fixedly connected with a spring, the partition assembly comprises a partition plate slidably connected with the inner wall of the transverse frame, and a sliding block is arranged on one side of the partition plate. The problems that the packaging carton in the moving process is difficult to position, and the dislocation degree of sample information code spraying is reduced are solved.
Owner:HUNAN LIANZHI BRIDGE & TUNNEL TECH

Intelligent tunnel ventilation control system based on stepless speed regulation technology

ActiveCN224413929UAutomatic speed adjustmentReal-time monitoring of wind speed changesLoop controlControl communications
The utility model relates to a tunnel ventilation equipment technical field, concretely is an intelligent tunnel ventilation control system based on stepless speed regulation technology. Include: wind speed sensor for real -time monitoring the wind speed in the tunnel, main control unit for receiving the data of wind speed sensor, calculates the fan speed regulation amount, and generates control instruction, stepless speed regulation drive module is connected with main control unit, realizes the smooth stepless regulation of fan blade rotating speed through the adjustment fan input voltage or frequency, feedback module is used for real -time monitoring the actual rotating speed and operating condition of fan, and the data is fed back to main control unit, forms closed -loop control, communication module, communication module connects feedback module, is used for realizing remote control and data interaction, storage module is used for storing wind speed, rotating speed and control instruction historical data, user interface is used for providing operation interface, and the user sets target wind speed through touch -sensitive screen or remote control equipment.
Owner:SHANXI JINMEI GRP TECH RESEACH INST

Air handling device

ActiveCN224730791UGood air handling effectImprove air handling efficiency
The application discloses an air treatment device, which comprises a base, an air purification device and a first driving module and an ultrasonic module. The air purification device is rotatably arranged on the base, and an air suction port is formed on the air purification device. The first driving module is in power connection with the air purification device and is adapted to drive the air purification device to rotate relative to the base. The ultrasonic module is arranged on the air purification device and is used for detecting the position of a user when the air purification device rotates, so that at least part of the air suction port is directed towards the user. Thus, on the one hand, the position of the air suction port can be automatically adjusted without the participation of the user, improving the convenience of use. On the other hand, the air in the position of the user can be preferentially treated, so that the air quality in the position of the user can be improved faster, thereby improving the use experience, and the air treatment effect of the air treatment device is better and the air treatment efficiency is higher.
Owner:FOSHAN JINGWEI TECH CO LTD

A low-volume methane / VOCs co-recovery system, method and application

This invention relates to the field of organic waste gas recovery and resource utilization technology, and particularly to a low-volume methane / VOCs co-recovery system, method, and application in oil and gas development processes. The system includes a waste gas generating device, a waste gas collecting device, a waste gas conveying device, and an adsorption storage device connected in sequence. The adsorption storage device is filled with layered adsorption materials, which include a layered adsorption layer of heavy components, a layer of intermediate components, a layer of light components, and a protective bed, stacked sequentially. This invention, based on the adsorption storage concept and utilizing the inherent potential energy of the oil and gas development process, achieves efficient recovery of methane / VOCs from intermittent emission sources, reducing greenhouse gas methane and VOCs emissions and improving oil and gas product yields.
Owner:PETROCHINA CO LTD +1

Air conditioner indoor unit with air leakage prevention structure

The utility model belongs to the technical field of air conditioner indoor units, and particularly relates to an air conditioner indoor unit with an air leakage prevention structure, which comprises a mounting seat, a cavity arranged inside the mounting seat, a water outlet arranged below the cavity, an air leakage prevention component arranged above the mounting seat, a fan arranged inside the air leakage prevention component, and a stop block arranged below the fan. A clamping groove is formed in the air leakage prevention assembly, a limiting mechanism is arranged on one side of the clamping groove, a frame is arranged on one side of the limiting mechanism, a filter plate is arranged in the frame, a sliding hole is formed in the surface of the frame, a sliding groove is formed in the surface of one side of the frame, and a through groove is formed in the middle of the frame. According to the air conditioner indoor unit, the draught fan in the air conditioner indoor unit is placed in the air leakage prevention assembly, so that air passing through the evaporator can be effectively prevented from escaping in the shell of the indoor unit through the air leakage prevention assembly, and meanwhile noise generated when the indoor unit operates can be effectively reduced.
Owner:YINYUE ELECTROMECHANICAL TECH HEBEI CO LTD

Intelligent closestool capable of detecting body fat

The invention discloses an intelligent closestool capable of detecting body fat, which comprises a closestool body, the inner surface of the closestool body is fixedly connected with a urinal, the lower surface of the urinal is communicated with a blow-off pipe, the outer wall of the urinal is fixedly connected with a circle of drain pipe, and the side surface of the drain pipe is communicated with the urinal through a plurality of water supply ports; the side surface of the drainage pipe is communicated with a water supply pipe, the upper surface of the closestool body is fixedly connected with a water tank, and the upper surface of the closestool body is rotationally connected with a cushion, through the components, the cushion can be quickly recovered to a dry and comfortable state after being cleaned, a user does not feel uncomfortable due to the unclean cushion, and comfortable closestool experience is provided; the air in the toilet urinal can be filtered and then pumped out, the activated carbon filter plate can adsorb peculiar smell and harmful gas (such as ammonia gas and the like) in the air in the urinal, the peculiar smell in the toilet is effectively reduced, the air quality of the whole toilet is improved, and the comfort of a user is improved.
Owner:WENZHOU MURONGKE INTELLIGENT TECH CO LTD

A steel structure welding auxiliary equipment

The invention discloses a steel structure welding auxiliary equipment, comprising a welding mechanical arm, wherein a fume purification mechanism is arranged on the top of the welding mechanical arm, wherein the fume purification mechanism comprises a fume deflector, wherein a micro air pump is installed at one end of the fume deflector, wherein one end of the micro air pump is connected to a gas transmission pipeline, wherein a fume purification component is arranged at one end of the gas transmission pipeline away from the micro air pump, wherein the fume purification mechanism extracts welding fume through the deflector, the air pump and the gas transmission pipeline and transmits the welding fume to a heat exchange box and a gas decomposition tank, wherein the high-temperature welding fume is rapidly cooled in the heat exchange box and then transmitted to the gas decomposition tank through an exhaust pipe, wherein the cooled welding fume blows an impeller to rotate and drives a transmission gear, wherein the gear is meshed with a trapezoidal base block, thereby driving a conductive bump on a circuit connector to contact, thereby triggering an electric sprayer and a warning light to be powered on and operated, wherein the electric sprayer sprays purification liquid in a powered-on state to decompose and neutralize the welding fume.
Owner:CHINA RAILWAY CONSTRUCTION ENGINEERING GROUP

Mounting structure of air conditioner and air conditioner

The utility model provides an air conditioner mounting structure and an air conditioner, and belongs to the technical field of air conditioners. The air conditioner mounting structure comprises a mounting base and a sliding groove, the sliding groove is formed in the side wall of an air conditioner shell, the mounting base comprises a connecting piece, a supporting piece and a tensioning piece, the connecting piece is used for being arranged on the wall top, the supporting piece is arranged on the connecting piece, and the supporting piece is used for being inserted into the air conditioner shell through the sliding groove; the tensioning piece is configured to connect the supporting piece with the air conditioner shell and drive the air conditioner shell to move towards the wall top so as to adjust the gap between the air conditioner shell and the wall top. When the air conditioner is installed, the supporting piece of the installation base slides into the sliding groove in the side wall of the air conditioner shell, then the air conditioner shell is driven by the tensioning piece to move towards the wall top till the top wall of the air conditioner shell abuts against the wall top, and therefore no gap exists between the top wall of the air conditioner shell and the wall top. Therefore, a large amount of accumulated dust can be prevented from being formed between the top wall of the air conditioner shell and the wall top.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +2