29 results about "Spray volume" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

This utility model discloses a bridge deck concrete curing device with adjustable spray volume, comprising: a spray volume adjustment seat with an internal cavity, and an inlet pipe and a connecting pipe respectively provided on the spray volume adjustment seat; an adjustment gear and a drive gear disposed in the internal cavity, the adjustment gear and the drive gear meshing with each other, the adjustment gear having several holes of different diameters. During the adjustment of the spray volume, rotating the drive gear drives the meshing adjustment gear to rotate. This utility model has a simple structure. By controlling the forward and reverse rotation of the drive motor, the adjustment gear meshing with the drive gear is driven to rotate. When the holes on the adjustment gear coincide with the positions of the inlet pipe and the connecting pipe, water can be sprayed out sequentially through the inlet pipe, the holes, and the connecting pipe. The spray volume is adjusted according to the diameter of the hole located between the inlet pipe and the connecting pipe. When the hole located between the inlet pipe and the connecting pipe is a fully enclosed structure, the water flow is cut off and the spraying is stopped.

This application provides an automatic control method and system for online liquid spraying balance of a high-speed electric spindle, belonging to the field of spindle dynamic balancing technology. The method can determine whether a preset imbalance condition is met based on a first vibration signal acquired in real time from the high-speed spindle. If so, it determines the test liquid spraying volume and its corresponding spraying phase based on the corresponding initial imbalance vector, and performs a test liquid spraying operation on the high-speed spindle. Based on a second vibration signal acquired after the test liquid spraying operation, it determines the test weight imbalance vector to determine the corresponding counterweight vector. Based on a preset multi-phase optimization decomposition of the counterweight vector, it determines the online counterweight liquid spraying information, and performs counterweight liquid spraying control based on the online counterweight liquid spraying information and user confirmation information. Based on a third vibration signal acquired after the counterweight liquid spraying, when it is determined that the iterative balancing stage has begun, it updates the spindle response information using historical liquid spraying data and repeats the counterweight calculation and liquid spraying until the preset imbalance condition is no longer met.

The invention relates to the field of clinical treatment of the otorhinolaryngology department, and discloses a nasal cavity spraying device for the otorhinolaryngology department, the nasal cavity spraying device comprises a spraying assembly, an adjusting assembly and a fixing assembly, the adjusting assembly is connected with the spraying assembly, and the spraying assembly comprises a spraying outlet and is used for spraying medicine after the medicine is atomized; the adjusting assembly comprises an adjusting control mechanism, an adjusting mechanism and a spraying adjusting mechanism which are connected in sequence; the spray adjusting mechanism is located on the outer surface of the spray outlet and attached to the spray outlet. The adjusting mechanism is fixedly connected to the supporting rod, one end of the adjusting control mechanism is rotatably installed on the medicine bottle, and the other end is movably connected with the adjusting mechanism. When the adjusting control mechanism acts at the first position, the adjusting mechanism is driven to operate, the adjusting mechanism operates to drive the spraying adjusting mechanism to act, and the spraying angle and the spraying amount of the spraying outlet are controlled; when the adjusting control mechanism acts at the second position, the fixing assembly is driven to be fixed outside the nasal cavity. And the dosage and angle adjustment and position fixation are realized.

The utility model relates to the technical field of fluid machinery and engineering, and discloses a large-spraying-amount pressure pump which comprises a main body assembly and a pump head, a rotating shaft is inserted into the inner wall of the pump head, and a handle is arranged on the outer side of the rotating shaft in a sleeved mode. And the adjusting assembly is arranged at one end of the pump head and comprises an adjusting part, the adjusting part comprises a supporting disc, the supporting disc is arranged on one side of the pump head, a tooth groove is formed in the inner wall of the supporting disc, two fixing rings are arranged on the inner wall of the tooth groove, first teeth are arranged on the fixing rings, and moving plates are fixed to the other ends of the fixing rings. The pump head has the advantages that the liquid outlet of the pump head is provided with the press open type protection plate, so that dust, hair and other foreign matters can be isolated when the pump head is not used, liquid pollution and bacterium breeding are prevented, the protection plate can be automatically opened by pressing the pump head when the pump head is used, one-hand convenient operation is achieved, secondary pollution caused by manual disassembly of protection components is avoided, and the service life of the pump head is prolonged. And the service life of the pump head is prolonged.

The invention relates to a liquid feeding device and method, and belongs to the technical field of medical instruments.The liquid feeding device comprises a liquid feeding bottle, the liquid feeding bottle comprises a bottle body and a pressing pump head, a piston assembly is arranged in the bottle body, and a first elastic piece is arranged between the piston assembly and the bottle body; a quantitative adjusting mechanism, a locking mechanism and a linkage triggering mechanism are arranged on the bottle body, the linkage triggering mechanism comprises a first linkage assembly and a second linkage assembly which can make contact with each other or be separated from each other, the first linkage assembly is in transmission connection with the quantitative adjusting mechanism, and the quantitative adjusting mechanism is used for setting the liquid spraying amount in advance and controlling the movement stroke of the first linkage assembly. The second linkage assembly is in transmission connection with the piston assembly, and the piston assembly is used for controlling the movement stroke of the second linkage assembly. The device has the effect of continuously, quantitatively and accurately feeding liquid for multiple times.

The utility model relates to the technical field of spray pipes, and provides a dust suppression spray pipe for a rolling mill working roller shaft end, the dust suppression spray pipe comprises a mixing chamber, one end of the mixing chamber is provided with a first medium channel and a second medium channel, and the other end of the mixing chamber is provided with a fan-shaped nozzle. The dust suppression device has the characteristics of being simple in structure and high in practicability and is suitable for dust suppression of the working roll shaft end of the rolling mill, and during use, high-pressure airflow is fed into the mixing chamber through the first medium channel, and high-pressure liquid is fed into the mixing chamber through the second medium channel; high-pressure gas and high-pressure liquid are mixed in the mixing chamber and then sprayed out through the fan-shaped nozzles to form high-speed fan-shaped mist spray, so that the mist spray amount and the mist spray area can be increased, and the high-speed mist spray has good wrapping performance on rolling process dust of a rolling mill; and therefore, the problem of serious dust escape in the rolling process of the rolling mill in the metallurgical industry is perfectly solved.

The utility model relates to a rainfall simulation device applied to an isolating switch freezing condition test. The rainfall simulation device comprises a frame for accommodating a test object, a plurality of nozzles for spraying water to the inner space of the frame, a conveying pipeline for supplying water to the nozzles, and a water supply control mechanism for controlling water spraying conditions, the framework is a square integral framework, the conveying pipeline is fixed above the framework in a surrounding manner, at least four spray heads are fixed on the conveying pipeline, the spray heads are mounted on the conveying pipeline at equal intervals, and the inclination angles of the spray heads face the central area of the framework. The device is designed according to the requirements of the standard GB / T1985-2024, the overall structure is simple, the device is conveniently matched with an environment test box for use, the rainfall environment is simulated in an adjustable covering type spraying mode, the water spraying duration, the water temperature, the spraying speed and the spraying amount are controllably designed to meet the requirements of the test standard, the accuracy and the reliability of a test result are improved, and the test efficiency is improved. And the investment cost of laboratory equipment is greatly reduced.

The utility model discloses a portable aerosol can, and relates to the technical field of aerosol cans. The bottle comprises a bottle body, the top of the bottle body is in threaded connection with a bottle cap, a compression bin is formed in the bottle cap, a compression sliding block is slidably connected into the compression bin, one end of the compression sliding block is fixedly connected with a transmission rod, one end of the transmission rod penetrates through the compression bin and is fixedly connected with an adjusting sliding block, and one end of the transmission rod is sleeved with an adjusting spring. When the pressing plate is pressed to drive and push the compression sliding block to extrude the adjusting spring in the length direction of the compression bin, the adjusting sliding block is pushed through the transmission rod to be embedded into the bottle body, the adjusting sliding block relieves shielding of the flow dividing groove, and therefore the flow dividing groove communicates with the interior of the bottle body through the exhaust groove; meanwhile, an extrusion hole is communicated with a plurality of diversion grooves through the interior of the bottle cap, so that liquid in the bottle body is pushed by air pressure to penetrate through an exhaust groove, the diversion grooves, the extrusion hole, a discharging groove and a spray head to be sprayed out, and the spraying amount of the device is conveniently mastered.