Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

43 results about "Spray volume" patented technology

Clinical benefit has not been demonstrated regarding spray volume. Recommended Dymista dosing for children and adults is 1 spray (0.137 mL) per nostril, twice daily. 1. Spray volumes at the maximum recommended adult dose 1-3. Astelin ® (azelastine HCI) = 0.548 mL.

Device for treating odor in furfural production workshop

The invention relates to the technical field of gas-slag separation, and discloses a device for treating odor in a furfural production workshop, which comprises a spraying shell, an activated carbon filter layer mounted at the top of the spraying shell, a conical exhaust shell mounted at the top of the activated carbon filter layer, and an air inlet fixed on the side wall of the spraying shell, a spraying mechanism is arranged in the spraying shell, and the spraying mechanism is used for spraying purification liquid into the spraying shell; and the spraying amount real-time adjusting system is used for adjusting the flow of the spraying purification liquid in the spraying shell in real time. The gas-liquid synergism is dynamically evaluated and the spraying amount is adjusted through the spraying amount real-time adjusting system, the problems that a traditional device is lagged in adjustment and low in purification efficiency are solved by combining the activated carbon filtering layer and the multi-stage spraying structure, and the device has the advantages that the state change of waste gas and purification liquid is dynamically responded, the peculiar smell removal efficiency is improved, and the energy consumption and the maintenance frequency are reduced.
Owner:SHENXIAN WATER SOURCE NEW ENERGY TECH CO LTD

Fuel cell vehicle

A fuel cell vehicle includes a heat source discharging cooling water, a radiator dissipating heat from the cooling water and including areas including different temperatures, a first spray unit spraying a first spray liquid to an area including a high temperature among the areas, a second spray unit spraying a second spray liquid including a lower temperature than the first spray liquid to an area including a low temperature among the areas, a first valve connected to the storage unit and the first spray unit and configured to be opened or closed in response to a first control signal to supply the first spray liquid to the first spray unit, a second valve connected to the storage unit and the second spray unit and configured to be opened or closed in response to a second control signal to supply the second spray liquid to the second spray unit, and a controller configured for generating the first and second control signals to control the spray amount of the spray liquids and spraying operation.
Owner:HYUNDAI MOTOR CO LTD +1

Self-adaptive oil injection two-stage screw compressor

The invention discloses a two-stage screw compressor with a self-adaptive oil injection function. The two-stage screw compressor comprises a compressor body, a spraying device and a controller. The spraying device is mounted on the outer side of the compressor body; the compressor body is provided with a first-stage compression mechanism and a second-stage compression mechanism; the spraying device is located between the first-stage compression mechanism and the second-stage compression mechanism and used for spraying oil mist to a compression transition cavity between the first-stage compression mechanism and the second-stage compression mechanism. The spraying amount of the spraying device is adjustable; a temperature sensor is arranged in the compression transition cavity; and the controller controls the spraying device to change the spraying amount according to a signal fed back by the temperature sensor. The interstage working condition control is easier and more accurate, and the cooling effect is better.
Owner:HANGZHOU JIUYI MACHINERY

Lotion pump with adjustable spray volume

The present application provides a kind of emulsion pump of adjustable discharge, it is related to emulsion pump field, comprising: control assembly, the inner cavity assembly is arranged at the lower end position of the central axis of control assembly, the extension pipe is installed at the bottom of inner cavity assembly, the top of drive assembly is directly connected with external connection assembly, the lifting assembly is vertically slidably installed at the outer end of external connection pipe, the control sleeve is screwed on the outer end of lifting assembly, so as to realize the descent control of lifting assembly by rotating control sleeve, the drive assembly is pushed down by the descending lifting assembly, the sliding space of drive assembly in inner cavity assembly is reduced, the control assembly is rotated to control the emulsion extraction amount of drive assembly in inner cavity assembly, and the control assembly controls the adjustment float while being fixed by fixing device, which is beneficial to solve the problem that emulsion extraction amount cannot be accurately controlled by directly pressing emulsion pump manually, causing excessive waste and too little multiple pressing.
Owner:JIANGSU WELLJOIN PLASTIC PROD CO LTD

Electrical control method for unmanned aerial vehicle gas detector

The application discloses an electrical control method of a UAV gas detector and relates to the electrical control field. The actual pressure difference is calculated by acquiring the pressure of the sample gas side and the zero gas side. The target pressure difference is set according to the safety threshold and the switching direction of the two-position three-way electromagnetic valve. The actual pressure difference is regulated by the zero branch micro valve filling and discharging zero gas. The zero gas flow and the regulation duration are calculated. The external safety belt Boolean quantity is defined according to the preset pressure difference. The valve coil current of the two-position three-way electromagnetic valve is controlled according to the external safety belt Boolean quantity. The transition zone state Boolean quantity is defined according to the valve coil current. Then, the transition zone duration is calculated. The transition zone equivalent orifice area is acquired. The worst backflow volume and the worst backflow volume are calculated. The micro spray volume is calculated. The safety coefficient is preset, and the hedging micro spray flow is started. If the micro spray volume is insufficient, the minimum cleaning volume is calculated. The zero branch micro valve is used for quantitative cleaning, so that the zero gas branch is pure, and the detection accuracy and stability of the UAV gas detector are improved.
Owner:ANHUI XIANGYUAN TECH CO LTD

Nasal cavity sprayer convenient to adjust

ActiveCN224193872Uadjust the intensityadjust intensityMedical devicesMedical atomisersNebulizerNasal passages
The nasal cavity sprayer convenient to adjust comprises a bottle body, the top of the bottle body is in threaded connection with a cover plate used for blocking the top of the bottle body, the outer surface of the upper portion of the cover plate is fixedly connected with a supporting block, and a pressing mechanism is arranged on the right side of the upper portion of the supporting block; comprising a mounting sleeve fixedly connected to the outer surface of the upper portion of a supporting block, a pressing chamber is arranged in the mounting sleeve, a piston is arranged in the pressing chamber, two fixing blocks are fixedly connected to the left side of the upper portion of the supporting block, a limiting block is arranged between the two fixing blocks, and a spray head is arranged at the other end of the limiting block; and the limiting block rotates to drive the spray head to rotate, so that the spraying angle is adjusted. By means of the structure, the spraying angle can be adjusted, mist can be sprayed to different areas of the nasal cavity more accurately, and meanwhile different spraying amounts can be selected according to requirements.
Owner:TAIZHOU RENKANG BIOTECH

Fire extinguishing device blowing test system and method

The invention discloses a fire extinguishing device blow test system and method. The system comprises a supporting and weighing unit, an automatic control unit, a simulation blow pipeline unit and a data acquisition unit. Through programmed sequential control of the automatic control unit, multiple intermittent spraying tests of the fire extinguishing device are realized; the supporting and weighing unit monitors the weight change of the fire extinguishing device in real time, and the data acquisition unit acquires spraying pressure parameters; the simulation blow pipeline unit simulates pipeline arrangement of a real application scene. The system can systematically test the spraying time, the spraying pressure, the spraying amount and the multi-time spraying stability of the fire extinguishing device, is compatible with the fire extinguishing devices of various specifications of 10-120L, and is particularly suitable for comprehensive performance evaluation of the container valve starting type fire extinguishing device. The problems that an existing testing means is inaccurate in parameter collection, non-repeatable in testing and insufficient in safety are solved, and the method has the advantages of being comprehensive in testing, safe in operation and accurate and efficient in data.
Owner:LANJING (SHANGHAI) SAFETY TECH CO LTD

An adjustable medical disinfectant spray device

This invention relates to the field of disinfectant technology, specifically to a medical disinfectant spraying device with adjustable spray volume. The device includes a spray gun, with a flow control component fixedly connected to the inner wall of the spray gun. The spray gun includes a spray gun housing, with a handle fixedly connected to the bottom of the outer wall of the housing, and a nozzle fixedly connected to the front side of the housing. This invention, by incorporating a spray gun and a flow control component, achieves precise adjustment and efficient control of the medical disinfectant spray volume, meeting the needs of different scenarios. Through intelligent drive by an electric push rod, the entire device can flexibly switch between working and non-working states, ensuring simple and safe operation. Furthermore, the design fully considers sealing and durability, effectively preventing leakage, evaporation, and external contamination of the disinfectant, thus ensuring the long-term stability of the equipment. In addition, the ingenious design of the linkage mechanism improves the overall response speed.
Owner:XINGHUA MEDICAL & SANITARY PROD CO LTD

Heavy truck glass frosting system and control method

The invention discloses a heavy truck glass frosting system and a control method. The system comprises a frame, a spray gun unit, a three-dimensional adjusting unit, a water supply unit and a control unit. The method comprises the following steps: inputting windscreen area in the control unit, calculating total water spraying amount by the system according to preset water spraying amount per unit area, and calculating spraying time by combining liquid flow velocity; the nozzle is controlled to move uniformly along a preset track, and the angle is adjusted in real time to keep vertical injection; after jet static curing, the visual camera module takes an ice layer image to analyze uniformity, parameters are adjusted for re-spraying if the ice layer image is unqualified, and data are recorded if the ice layer image is qualified. Through cooperation of all the units, the glass curved surface is properly clamped, a uniform frost distribution layer is formed, and the frost distribution efficiency and consistency are effectively improved.
Owner:ZAIHE AUTOMOBILE TECHNOLOGY (SUZHOU) CO LTD

Aerosol for mosquito control

PendingJP2026137733AMosquito controlAerosol spray
The objective is to provide a mosquito control aerosol that can exert excellent control effects against mosquitoes over a long period of time, while also reducing the impact on humans and pets, and a mosquito control method using said mosquito control aerosol. [Solution] A mosquito control aerosol comprising an aerosol concentrate containing an insecticide component and an organic solvent, a pressure-resistant container equipped with a metered-dose spray valve containing a propellant, and a spray button equipped with a spray nozzle connected to the metered-dose spray valve, wherein the spray volume when the spray button is pressed once is 0.1 to 0.4 mL, and the spray force at a spray distance of 20 cm is adjusted to be 0.3 to 10.0 g·f at 25°C, and the aerosol concentrate is sprayed from the spray nozzle as adhesive particles X, at least a portion of which adhere to exposed parts in the treatment space.
Owner:DAINIHON JOCHUGIKU CO LTD

SAP stacked mass spray fireproofing encapsulation system with built-in horizontal components and its implementation method

This invention discloses an SAP (Super Plumbing Agent) stack spray fireproofing and sealing system with built-in horizontal components and its implementation method. The system includes distributed intelligent fireproofing units, a closed-loop pressurized fluid distribution network, and a water-absorbing and sealing unit. Unit collaboration is achieved through a wireless mesh network, intelligently triggering three-level spray modes—high spray volume, low spray volume, and asymmetric compensation—based on temperature / strain gradients to precisely suppress thermal warping deformation and provide full-coverage, adaptive dynamic fireproof protection for the horizontal components.
Owner:CHINA UNIV OF MINING & TECH +3

A water spray amount control method and system for a drum

PendingCN122331634AThermodynamicsStream flow
This invention relates to the field of sand spraying technology, and more particularly to a method and system for controlling the spray volume of a drum. The method includes the following steps: calculating the theoretical spray volume for each control cycle based on the inlet flow rate, inlet temperature, and target temperature; adjusting the final spray volume of the previous control cycle according to the deviation between the actual cooling gain and the desired cooling gain of the drum in the previous control cycle to obtain the economic spray volume for that control cycle; acquiring the theoretical and economic spray volumes of the control cycle in parallel, and weighting and fusing the theoretical and economic spray volumes according to a reliability weight to obtain the final spray volume for that control cycle; controlling the spray rate of the drum according to the final spray volume to achieve spray volume control of the drum, which can effectively improve the accuracy of the drum spray volume calculation, thereby effectively improving the efficiency of spray volume control.
Owner:SHANXI KANAIFU PIPE IND CO LTD

Wet wipe substrate premoistening apparatus

A pre-wetting device for wet wipe substrate includes two symmetrically arranged legs, an infusion pipe, and a protective liquid tank assembly. The infusion pipe is fixedly connected between the upper ends of the two legs, and a plurality of atomizing nozzles are evenly arranged on the infusion pipe. The protective liquid tank assembly includes a receiving liquid tank and two cylinders connected to both ends of the receiving liquid tank. The cylinders are fixed to the inner side of the upper end of the legs, and the end of the receiving liquid tank is fixedly connected to the outer end of the piston rod of the cylinder, so that the position of the receiving liquid tank corresponds to that of the atomizing nozzles. The wetting device is equipped with independent atomizing nozzles on the infusion pipe, and automatic control valves for precise flow control are installed on the atomizing nozzles to ensure that the spray volume of each atomizing nozzle is consistent, thereby improving the uniformity of spraying the substrate. Furthermore, the cylinders can drive the receiving liquid tank to move laterally, so that it can avoid the nozzles during the spraying operation and spray normally. When the operation is paused or completed, the receiving liquid tank quickly moves under the nozzles to catch the dripping liquid and avoid the phenomenon of local over-wetting of the substrate.
Owner:ZHENGZHOU ZHIHUI MASCH EQUIP CO LTD

Optimal selection method and experimental system for pressure type atomizing nozzles for mining spraying and dust-settling equipment

The invention relates to a pressure type atomizing nozzle optimal selection method for mining spraying and dust falling equipment and an experiment system, and belongs to the field of coal mine high-pressure spraying and dust falling. The experiment system comprises a simulation roadway, an axial flow fan, a wind speed sensor, a spraying device, a water container and a phase Doppler particle dynamic analyzer, and the spraying device comprises a nozzle and a spraying device body detachably connected with the nozzle. The positions of the nozzle and the water container are determined according to the distance L between the on-site nozzle and the dust source and the atomization angle of the nozzle under the working conditions of no wind and on-site maximum spraying pressure, so that the water container only collects the effective spraying amount of the nozzle. The optimal selection method for the nozzles comprises the steps of collecting field parameters, simulating corresponding working conditions in an experimental system, and screening the nozzles according to the step-by-step flow of range screening, effective water quantity screening, fog drop speed screening and particle size matching screening, so that the screened nozzles can be accurately matched with the actual working conditions in a well, and the spraying and dust falling effects are improved.
Owner:CHINA COAL TECH & ENG GRP CHONGQING RES INST CO LTD

Semiconductor coating path planning and pose presumption method for heating clothes

The invention discloses a semiconductor film coating path planning and pose presumption method for heating clothes, and relates to the technical field of adaptive control, a film coating area confirmed by a target detection method is divided into a plurality of units, and the center coordinate, the center normal vector and the curvature of each unit are calculated, and partial spraying parameters are preset; the thickness distribution of each unit is constructed based on a Gaussian attenuation model to describe the correlation between the spraying direction and the spraying amount of the spray gun in each unit and the thickness of any position, and the optimal spraying direction and the optimal spraying amount of each unit enabling the overall thickness distribution to meet the standard thickness are obtained through simulation iteration of an alternating direction multiplier method. And a reward function is designed by cooperatively considering the total movement amount and the total direction adjustment amount of the spray gun and the reasonable spraying distance of each unit so as to guide reinforcement learning to simulate and train the spray gun, an optimal spraying sequence and optimal spraying coordinates of each unit are generated, and self-adaptive path planning and spraying parameter presumption aiming at the geometrical characteristics of the coating area are realized.
Owner:信阳星原智能科技有限公司

Spray washing type multi-stage atomization dust removal device

The invention relates to the technical field of environmental protection, in particular to a spray-wash type multi-stage atomization dust removal device. Comprising a shell; the plurality of fixed frames are fixedly connected in the shell, the fixed frames are rotatably provided with rotating shells, the rotating shells are provided with through holes for mounting atomizing nozzles, the fixed frames are fixedly connected with three-way pipes, the three-way pipes are communicated with the adjacent rotating shells, and the shell is fixedly connected with a liquid injection shell communicated with the three-way pipes; the particulate matter sensor is fixedly connected to the air inlet pipeline; and the first driving motor is fixedly connected to the shell, an output shaft of the first driving motor is fixedly connected with a flow dividing shell rotating in the liquid injection shell, and the flow dividing shell is provided with a plurality of round holes. The dust concentration of the inlet air is monitored in real time through the particulate matter sensor, the waste of water resources under the low-load working condition is fundamentally avoided according to the monitoring adjustment and the spraying amount, and the remarkable energy-saving target is achieved.
Owner:TANGSHAN XINSHIYUAN ENVIRONMENTAL PROTECTION TECH CO LTD

Optimization system for the operation of building wastewater deodorization equipment

This invention discloses an operation optimization system for building wastewater deodorization equipment, relating to the field of wastewater deodorization technology. It includes a data acquisition component configured to collect multi-dimensional operational data in real time; a dynamic parameter calculation component configured to calculate humidity correction coefficients, spatial gradient weights, and real-time deodorant spray volume based on the multi-dimensional operational data, and to perform environmental adaptation and precise regional allocation of the real-time deodorant spray volume; a corrosion assessment component configured to quantify the corrosion contribution of the deodorant to the equipment and the protective layer repair effect, and to calculate the cumulative corrosion increment; an optimization decision component configured to combine the cumulative corrosion increment with constraint parameters to generate a basic spray volume correction coefficient to dynamically adjust the rated basic spray volume of the wastewater deodorization equipment; and an execution feedback component configured to execute the optimized spray volume command. This invention achieves a three-way balance between achieving deodorization standards, minimizing energy consumption, and maximizing equipment lifespan through multi-parameter fusion control and closed-loop optimization.
Owner:四川宇阳环境工程有限公司

Hand washing machine

PCT designated stageWO2026028125A1DiagnosticsSurgeryLaundry washing machineHand parts
The invention relates to a hand washing machine comprising a container body (12), wherein the container body has an opening (14) for inserting the hands into a washing tank (20), and where the machine has a vibration pump (30) for supplying water to one or more hollow cone axial flow spray nozzles (34), said spray nozzles being directed towards the inside of said washing tank (20), wherein said machine comprises a motorized suction fan (60) that draws air from outside the machine into the washing tank (20) and through a hole (62) to create a spray volume of atomized water particles capable of remaining on the hands inserted into the washing tank (20), where said atomized water particles have a diameter of between 0.165 and 0.185 microns.
Owner:ACQUAMENTE SRL

Sprayer nozzle

To provide a spray port for spray of fruit colorant or the like, having an excellent even dispersion property of a chemical and capable of reducing a time required for dispersion.SOLUTION: A spray port has a plurality of spray nozzles 2 capable of evenly dispersing a mist-like chemical to a fruit with a high pressure. The spray nozzles are arranged at equal positions in a hollow tube having a ring shape, a polygonal shape, or a C-shape. The total spray amount from the spray port is within a range of 0.8 to 2 ml / s.SELECTED DRAWING: Figure 1
Owner:一谷 武史

Normal saline nasal cavity sprayer capable of improving utilization rate of liquid medicine

The invention provides a normal saline nasal cavity sprayer capable of improving the utilization rate of liquid medicine, which is applied to the technical field of nasal cavity sprayers, and is characterized by comprising a main bottle body, a cover body assembled on the main bottle body, a pump body assembled on the cover body and inserted into the main bottle body, and an atomizing nozzle assembled on the cover body in a pressing manner; a dosage adjusting assembly which is connected with the pump body and the atomizing nozzle and used for adjusting the spraying amount of the atomizing nozzle is arranged in the cover body. The dosage adjusting assembly comprises a pressing plate, an adjusting gear rotationally arranged in the pressing plate and a shifting gear rotationally connected to the pressing plate and connected with the adjusting gear in a meshed mode. An adjusting opening is formed in the side wall of the cover body, and the part of the shifting gear is exposed out of the adjusting opening; the sprayer has the technical effects that the spraying amount is dynamically adjusted through the dosage adjusting assembly, the sprayer is suitable for different disease stages and people, the liquid medicine utilization rate is increased, and waste is reduced; meanwhile, redundant liquid medicine can be recycled through the design of the collecting bottle, and use sanitation is kept.
Owner:HUBEI TAILIN PHARMACEUTICAL CO LTD

Spray nozzle assembly with multiple discharge orifices and independent flow control

A spray nozzle assembly includes a nozzle body supporting a plurality of spray nozzles. The plurality of spray nozzles are divided into a plurality of different stages. The nozzle body includes a first fluid distribution passage that communicates with a first spray nozzle stage and a second fluid distribution passage that communicates with a second spray nozzle stage. A nozzle inlet includes a plurality of fluid inlets including a first fluid inlet that communicates with the first fluid distribution passage of the nozzle body and a second fluid inlet that communicates with the second fluid distribution passage of the nozzle body. Control of fluid flow through the first fluid distribution passage to the first spray nozzle stage and through the second fluid distribution passage to the second spray nozzle stage adjusts a total spray volume or a flow rate of the spray nozzle assembly.
Owner:SPRAYING SYSTEMS CO

A spraying and humidifying device for garbage biodegradation

This utility model discloses a spray humidification device for waste biodegradation, including a movable base on which a spray mechanism is mounted. The spray mechanism includes a support frame, a motor, a flow passage, a linkage frame, a rotating pipe, an adjustment mechanism, a diversion pipe, and a spray pipe. The adjustment mechanism includes a connecting sleeve, an adjusting sleeve, a mating sleeve, a screw, a connecting frame, baffles, a support plate, a control block, a control groove, and a limiting mechanism. The connecting sleeve is fixed to the top of the rotating pipe. The adjustment mechanism further enhances the precise control of the spray volume. By rotating the adjusting sleeve, the screw, the mating sleeve, and the connecting frame are moved, adjusting the elastic deformation of multiple baffles, adjusting the size of the water flow space, and precisely controlling the spray volume of water. This mechanism can flexibly adjust according to the actual humidity requirements of the waste pile, avoiding excessive or insufficient moisture, optimizing resource use, and improving the efficiency of biodegradation.
Owner:TIANJIN HIGH ENERGY ENVIRONMENTAL PROTECTION ENERGY CO LTD

High-stability waste gas spraying desulfurization tower

The invention relates to the technical field of atmospheric control and pollution treatment, in particular to a high-stability waste gas spraying desulfurization tower. Comprising a shell, the shell is fixedly connected and communicated with a liquid discharging pipe, one side of the shell is fixedly connected with a liquid inlet pipe, a main spraying shell is fixedly connected in the shell, the main spraying shell is fixedly connected and communicated with a plurality of main connecting pipes, a plurality of auxiliary spraying shells are fixedly connected in the shell, the auxiliary spraying shells are fixedly connected and communicated with a plurality of auxiliary connecting pipes, and the main connecting pipes are fixedly connected with the auxiliary connecting pipes. The lower side of the main connecting pipe and the lower side of the auxiliary connecting pipe are fixedly connected and communicated with atomizing nozzles. By arranging a plurality of auxiliary spraying shells, after the main connecting pipe is blocked, the circulation area of the auxiliary connecting pipe is adjusted, the spraying amount of the atomizing nozzles on the auxiliary connecting pipe is increased, the reduction of the spraying amount of the atomizing nozzles on the main connecting pipe is made up, the stability of the total spraying amount is maintained, the sufficiency and effectiveness of gas-liquid contact are ensured, and it is ensured that sulfur-containing waste gas is stably and efficiently treated; and finally discharged gas can continuously reach the standard.
Owner:WEIHAI LONGFENG SILICA GEL CO LTD

A uniform spray application control apparatus and method during a spray seeding operation

PendingCN122349828AStream flowHydroseeding
This invention relates to the field of hydroseeding control technology, specifically to a uniform hydroseeding control device and method during hydroseeding operations. The method obtains the calibrated pipeline delay time and the initial containment thickness of the dynamically scanned independent sectors ahead; when the vehicle decelerates to trigger a threshold, it predicts the pipeline flow rate decay curve and calculates the excess mud volume; it uses deceleration and flow rate decrease rate to penalize and reduce the initial containment thickness of the effective sectors and deducts the foundation construction thickness to obtain the containment margin ratio to allocate the supplementary mud volume, and then combines this with the sliding consumption to obtain the target total spray volume for each sector; finally, starting from the current swing state of the spray gun, it performs area integration along the time axis on the flow rate decay curve, converting the total volume into the total time the spray gun has traveled, and accordingly controls the target angular velocity of the motor to perform variable-speed hydroseeding. This invention transforms fluid hysteresis error into spatial non-uniform velocity distribution, effectively avoiding mud slippage and loss, and ensuring uniformity of the cover soil.
Owner:LIAO (CHONGQING) AGRI TECH CO LTD

A method for protecting a urea nozzle

The present invention discloses a method for protecting a urea nozzle, comprising: obtaining an enable control signal for the urea nozzle; determining the fault state of the urea nozzle based on the enable control signal; obtaining a high-temperature protection signal for the urea nozzle when the urea nozzle is not faulty; controlling the urea nozzle to spray at a first preset spray volume based on the high-temperature protection signal; obtaining a crystallization corrosion signal for the urea nozzle when the urea nozzle is not faulty; and controlling the urea nozzle to spray at a first preset spray condition based on the crystallization corrosion signal. Using this method, when the urea nozzle is not faulty, the urea nozzle is protected from high temperature, crystallization, and corrosion, ensuring that the urea nozzle is not damaged and improving its reliability and service life.
Owner:FAW JIEFANG AUTOMOTIVE CO

Adaptive size bottle neck structure based on pressurized fire extinguishing bottle

This invention belongs to the field of pressurized fire extinguishing bottles, and specifically relates to an adaptive bottle opening structure based on pressurized fire extinguishing bottles, which can adaptively adjust the bottle opening size according to changes in internal pressure; it will greatly improve the spray effect of pressurized fire extinguishing bottles; it can automatically adjust the opening area of ​​the bottle opening according to the internal pressure, so that the spray volume remains stable as the internal pressure decreases; this invention forms a variable opening at the bottle opening through a shielding mechanism, thereby achieving stable spraying during use.
Owner:BEIJING BEIJI IND CO LTD

Saline water spray test box

The utility model discloses a saline water spray test box, which comprises a box body, a first spray chamber, a second spray chamber and a third spray chamber, the box body comprises a first box body and a second box body, a first box cover is arranged at the top of the first box body, a carrier is arranged in the first box body, and the first box body and the first box cover are closed to form the sealed spray chamber; the spraying mechanism is arranged in the box body and comprises a heating box, a spraying tower arranged at the top of the heating box and a salt mist spray head arranged on the spraying tower, the first box body is provided with a water tank, the heating box is arranged in the water tank, the second box body is provided with a salt water tank and a saturation barrel, the salt mist spray head is connected with the salt water tank through a water pipe, and the saturation barrel is connected with the salt water tank. The salt mist nozzle is connected with the saturation barrel through an air pipe, an adjustable tower cover is arranged at the top of the spray tower, and the adjustable tower cover can adjust the spraying amount. According to the utility model, different spraying amounts can be adjusted according to the requirements of different products, and the inspection of the products with different specifications can be met.
Owner:ZHAOQING GAOYAO HAORAN METAL PROD CO LTD

Spraying nozzle capable of adjusting spraying amount

The utility model relates to the field of spraying devices, in particular to a spraying nozzle capable of adjusting spraying quantity, which comprises a spraying mechanism, the spraying mechanism comprises a valve seat, a valve bolt, a valve rod and a valve head, a container is arranged at the bottom of the spraying mechanism, the container is a tank filled with propellants and spraying liquid, the valve seat is fixedly connected with the container, the valve bolt is rotatably connected with the inside of the valve seat, and the valve rod is fixedly connected with the valve seat. The valve rod is in sliding connection in the valve cock; by means of the spraying mechanism, the device can effectively control the spraying amount according to the pressing depth of the valve head.
Owner:JIANGSU VOCATIONAL & TECHNICAL UNIVERSITY OF ARCHITECTURE