81 results about "Spray atomization" patented technology

The utility model belongs to the technical field of nozzles with spiral air passages, and discloses a nozzle with a spiral air passage, which comprises a nozzle and a spray cover, the nozzle comprises a mounting part, the mounting part is provided with a first cavity, the inner wall of the spray cover is provided with a second cavity, and the first cavity and the second cavity are bent. The first cavities and the second cavities jointly form a plurality of bent air channels. The bending degree of the air channels can be adjusted according to requirements, so that different air flow sizes are achieved, different spraying requirements are met, meanwhile, the number of the spiral air channels can be adjusted according to requirements, different air flow sizes are achieved, various spraying tasks can be flexibly adapted, and the spraying efficiency is improved. The bent air channel can effectively prolong the passing time of air in the air channel, so that the jetted air flow is more stable and continuous, the low-pressure atomization effect of the air brush is effectively improved, the stability of the air flow is improved, and the spraying atomization effect is better.

The utility model relates to an external mixing type nozzle, and belongs to the technical field of nozzles. Comprising a nozzle body, a lock cap in threaded connection to the outer surface of the nozzle body, an air cap abutting against the interior of the lock cap, a mounting plate slidably connected to the interior of the right side of the nozzle body, a filter screen fixed to the inner wall of the mounting plate, and two connecting plates fixed to the left side of the mounting plate. The first elastic block is fixed on the connecting plate; and the two second elastic blocks are fixed in the nozzle main body. Compared with an internal mixing denitration spray gun, the external mixing type spray gun is larger in flow controllable range and higher in spraying stability, under the condition that water flow is not changed, the higher the pressure of a gas path hole is, the better the atomization granularity is, the atomization angle is in a fan-shaped mist shape, the mist shape depends on the opening angle of a gas outlet hole, and the gas-water mixing position is located outside a spray nozzle opening; the external mixing nozzle is small in abrasion loss, long in service life, free of influence of air pressure and water pressure and suitable for users with sufficient on-site air consumption.

The utility model discloses a multifunctional sprayer which comprises a sleeve and a three-way pipe, the top of the sleeve is provided with the three-way pipe, the left end and the right end of the three-way pipe are provided with third pipe joints, the center of the three-way pipe is provided with a three-way valve, and a second pipe joint arranged at the top of the sleeve is in threaded connection with the bottom of the three-way pipe. By adjusting the telescopic unit, the height of the spray head can be flexibly adjusted according to actual requirements, so that the spray requirements of different terrains and crops are met; the design of the adjusting unit enables the water outlet of the spray head at the end part of the shunt pipe to be controllable, and a specific water outlet can be selectively opened or closed according to actual requirements; due to the flexibility, the spraying uniformity is ensured, pesticide waste and environmental pollution are avoided, and the spraying atomization and coverage range can be adjusted according to needs due to the design of the adjustable atomization nozzle; the adjustability ensures that the pesticide can uniformly cover a target area, and the spraying efficiency and effect are improved.

The utility model discloses a liquid spraying atomization system capable of preventing liquid dripping. The liquid spraying atomization system comprises a controller, a weighing barrel, a pressure sensor, a liquid adding pump, a nozzle distribution device, an air compressor, a first pipeline and a second pipeline. The nozzle distribution device is communicated with the weighing barrel through a first pipeline, and the liquid adding pump is arranged on the first pipeline; the pressure sensor is arranged on the first pipeline between the liquid adding pump and the nozzle distribution device, one end of the second pipeline is connected with the air compressor, the other end of the second pipeline is communicated with the first pipeline, and the communication position is located between the pressure sensor and the liquid adding pump. And the controller is used for controlling the air compressor to convey air into the nozzle distribution device to participate in atomization of the liquid additive. The liquid spraying and atomizing system is provided with the controller, the air compressor and the pressure sensor, so that the liquid spraying and atomizing system is uniform in spraying, and the situations that the liquid additive is wasted due to the fact that the liquid additive is accumulated in a pipeline and the adding effect is affected due to the fact that the liquid additive is not atomized and directly flows out are avoided when atomization and spraying of the liquid additive are finished.

The invention relates to the technical field of hermetia illucens, and discloses hermetia illucens breeding filtering equipment which comprises a spraying shell, an air inlet pump is arranged on one side wall of the spraying shell, the air outlet end of the air inlet pump communicates with the interior of the spraying shell through an air inlet pipe, a first transition pipe is vertically arranged at the top of the spraying shell, and a second transition pipe is arranged at the bottom of the spraying shell. The top end of the first transition pipe is provided with a horizontally-arranged second transition pipe through a connecting bent pipe, and the bottom of the second transition pipe communicates with a plurality of purification cylinders through connecting pipes. And odor and harmful gases generated in the breeding process of the hermetia illucens are effectively purified step by step. In the spraying shell, gas is subjected to preliminary filtration, spray atomization and multi-layer filtration, and harmful components such as ammonia gas, hydrogen sulfide and sulfur dioxide and suspended particles in the gas are removed through efficient physical adsorption, chemical reaction and particle capture.

The invention discloses a method for preparing high-purity LATP powder through a hydrothermal-spray coprecipitation method, and relates to the field of solid electrolyte preparation. The preparation method comprises the following steps: dissolving TiOSO, Al (NO). 9HO, LiNOO, HPO and a complexing aid according to a certain mass ratio, adjusting the pH value, spraying and atomizing to form a vaporific precursor, carrying out a hydrothermal reaction, washing, pre-sintering, carrying out main sintering, crushing and screening, and finally obtaining the LATP powder with high purity, micron / submicron particle size and good sintering activity. According to the invention, impurity phases can be obviously reduced, the powder densification and ionic conductivity are improved, and the practical application performance of the LATP solid electrolyte in an all-solid-state battery is improved.

The invention provides an integrated liquid nitrogen spray cooling test system which is mainly composed of a liquid nitrogen supply module, a heat source simulation module, a spray atomization module, a visual monitoring module, a temperature acquisition and control module and a spray cavity module. According to the system, temperature sensors arranged at multiple points are combined with a fuzzy PID control strategy, so that the temperature of the heat sink is accurately adjusted; and through the adjustability of the spraying height and the arrangement design of multiple nozzles, the spraying uniformity and the cooling efficiency are effectively improved. In addition, a low-temperature flowmeter and a low-temperature electromagnetic valve are integrated in the system, and real-time monitoring and fine control over the liquid nitrogen flow are achieved. Experimental results show that the system can realize stable operation under various spray parameter working conditions, has good heat exchange performance testing capability, and is suitable for cooling requirements under high heat flux density conditions. The test platform has the advantages of compact structure, high control precision, perfect monitoring means and the like, and provides reliable support for deep research and engineering application of a liquid nitrogen spray cooling technology.

The invention discloses a makeup fixing spray and a preparation process thereof. The makeup fixing spray comprises the following raw material components: 75-90% of water; 1%-10% of a humectant; 1%-5% of ethanol; 0.1%-1% of a thickening curing agent; 0.5%-3% of a film forming agent; 0.1%-2% of a curing hardness regulator; 0.5%-1.5% of a preservative (without any preservative); 0%-0.1% of a chelating agent; 0%-2% of an active matter; the spray atomization effect is good, the particle size is fine and uniform, the spray head is not blocked, the makeup fixing effect is good, and the moisture retention and film forming effects are good.

The invention relates to the technical field of coating and spraying, and discloses a quantifying device applied to a coating and spraying system, the quantifying device comprises a mounting plate, a spraying mechanism is fixedly connected to the front end of the mounting plate, a coating butt joint mechanism is fixedly connected to one side of the spraying mechanism, and a limiting mechanism is fixedly connected to the top of the front end of the mounting plate; a mounting mechanism is fixedly connected to the exterior of the limiting mechanism, an electromagnetic valve mechanism is fixedly connected to the right side of the front end of the mounting plate, an external interface mechanism is fixedly connected to the left side of the front end of the mounting plate, a connecting mechanism is fixedly connected to the bottom of the front end of the mounting plate, and the spraying mechanism comprises a paint pressure regulator. According to the spraying device, it is ensured that quantitatively sprayed coating is output with stable pressure and flow, the uniformity and efficiency of spraying operation are improved, the air pressure regulator adjusts air pressure to achieve optimization of spraying atomization, the high-pressure ferrule ball valve provides guarantee for safety maintenance of the system, and disassembly and maintenance of pipelines are facilitated.

The invention discloses a diesel gasification device and a cyclic quantitative control method. The controller firstly preheats the heating piece and then controls the air inlet valve to be opened, so that air enters the mixing cavity through the air inlet pipe and the heating net, and the pressure in the cavity is adjusted to a preset pressure threshold upper limit Ptar1; the controller calculates the target fuel injection quantity of the liquid fuel injector according to the air state in the mixing cavity and the target equivalence ratio and controls the liquid fuel injector to complete fuel injection; the controller controls an oil and gas injection valve to be opened, an oil and gas mixture is injected till the lower limit Ptar2 of a preset pressure threshold value is reached, and after injection is finished, the controller calculates the residual air amount and the residual fuel oil amount in a mixing cavity based on the pressure, temperature and oxygen concentration detection signals after injection; and the controller opens the air inlet valve to supplement air to the mixing cavity until the pressure in the cavity reaches the pressure threshold upper limit Ptar1, then the air inlet valve is closed, the air supplement amount is determined according to the pressure difference before and after air supplement, and the needed oil supplement amount is calculated in combination with the target equivalence ratio. According to the invention, spray crushing and atomization are realized no longer depending on ultrahigh injection pressure.

The utility model discloses a hermetia illucens breeding tail gas deodorization system which comprises a tail gas treatment room, the tail gas treatment room comprises a breeding area, a primary treatment area and a secondary treatment area, a plurality of hermetia illucens breeding devices are placed in the breeding area, the primary treatment area is provided with a plurality of layers of deodorization water curtains, and a plurality of honeycomb holes are formed in the deodorization water curtains. Honeycomb holes of the deodorization water curtains are arranged in a stacked and staggered mode, a liquid dropping device is arranged at the top ends of the deodorization water curtains, a fan device is arranged in the secondary treatment area, a filter screen is laid at the top end of the secondary treatment area, and a spraying atomization device is arranged below the filter screen. The deodorization water curtain can effectively delay the passing time of tail gas, so that the tail gas can fully react with a deodorization agent, meanwhile, most of dust attached in the tail gas can be blocked in the deodorization water curtain, and a spraying atomizer in the secondary treatment area can spray deodorization agent mist to secondarily purify the tail gas, so that the tail gas can be effectively purified. The deodorization effect is more obvious.

The utility model discloses a spraying device for cleaning greasy dirt of an aluminum coil, which comprises a rack, connecting plates are hinged on two sides of the rack, spraying components are clamped at the end parts of the two connecting plates, the spraying components are positioned above an aluminum foil and are perpendicular to the advancing direction of the aluminum foil, and a driving device for driving the corresponding connecting plate to swing is arranged on one side wall of the rack; the spraying assembly comprises a spraying pipe, a plurality of spraying heads are linearly arrayed on the lower portion of the spraying pipe in the length direction of the spraying pipe, the spraying pipe is communicated with a connector, the connector is communicated with a hose, and the hose is communicated with an external liquid supply system. According to the aluminum foil spraying device, spraying decontamination is adopted, no damage is caused to the surface of aluminum foil, the spraying atomization strength can be adjusted according to actual requirements, the spraying pipe is convenient and rapid to install, the spraying pipe can be rotated through the shifting rod, the angle of the spraying pipe can be changed, the spraying angle of the spraying head can be changed, and different use conditions can be met.

The utility model is suitable for the technical field of paint spraying, and provides a paint spraying atomization device which comprises a motor shell, a motor base and a motor base. The separation sleeve is fixed in the motor shell; the first fixing plate is fixed in the separation sleeve; the outer rotating cup is rotationally connected with the first fixing plate; the inner rotating cup is arranged in the outer rotating cup; the side surface through holes are formed in the peripheral side of the inner rotating cup; the paint supply pipe is rotationally connected with the outer rotating cup, and the paint supply pipe is fixedly communicated with the inner rotating cup; the paint supply pipe is connected with the outer rotating cup through a disordered rotating connecting mechanism, and the paint supply pipe is connected with a potential energy conversion mechanism for driving the paint supply pipe to rotate; the paint supply pipe is connected with a paint supply mechanism for supplying paint to the paint supply pipe; the atomizer has a good atomization effect.

The invention relates to the technical field of abalone peptide production, and discloses an abalone active peptide powder preparation device and a use method.The preparation device comprises a drying tower and an atomizer penetrating through the upper end, a heater is fixed to the drying tower, the output end of the heater is connected with a fan, and the output end of the heater is connected with an air inlet pipe; one end of the air inlet pipe is located in the drying tower, the lower end of the atomizer is fixedly connected with a spraying head, the output end of the drying tower is connected with a cyclone separator through a pipeline, and an annular cylinder is fixed to the outer side of one end of the air inlet pipe; the rotary cleaning part is rotationally arranged below the circular ring cylinder and is in contact with the inner wall of the drying tower; the water distribution part is arranged in the spraying adjusting part; through the synergistic effect of the electric rod and the combined spraying piece of the spraying adjusting part, spraying atomization of active peptide liquid is dynamically adjusted, flexible control over the particle size of active peptide powder is achieved, the brush body is driven to rotate through kinetic energy of hot air, and the flexibility, energy conservation and cost reduction of the preparation technology are improved.

The utility model discloses an automatic atomization spraying and adsorption purification device which comprises an automatic release agent spraying equipment room, a spraying atomization system, an adsorption purification device, an air blowing system, an air cylinder, a linear sliding rail and an atomizer. A spraying and atomizing system is arranged in the automatic release agent spraying equipment room, the spraying and atomizing system is fixedly connected with an air blowing system, the spraying and atomizing system is used for atomizing and spraying a mold, and the air blowing system is used for blowing away impurities on the surface of the mold; the spraying atomization system is composed of an air cylinder, a linear sliding rail and an atomizer, and the atomizer conducts atomization action through an electromagnetic valve after compressed gas is recognized by an inductor; and mist generated by atomization spraying is purified through the adsorption purification device. Manual spraying is transformed into automatic production, unmanned production is achieved, meanwhile, harmful substances are removed in time through the unmanned operation equipment room, the atomization system and the activated carbon purification system, and flammable and explosive risks are eradicated.

The invention discloses an efficient dust raising and removing device for building construction, and belongs to the technical field of environment-friendly equipment for building construction. The double-barrel assembly comprises a launching barrel, a dust falling barrel and a compensation air duct between the launching barrel and the dust falling barrel, a secondary wind power compression structure is arranged on the periphery of the launching barrel, and multifunctional fan blades driven by airflow and a sewage collecting tank are arranged in the dust falling barrel; the atomization assembly is of a front-end multi-head atomization and tail inclined spray atomization double-pipeline structure, and a wind power compressor base provides stable high-pressure airflow for the device. The air pressure and the spraying range are greatly improved through secondary wind power compression, all-directional capturing of flying dust is achieved through a double-atomization structure, the multifunctional fan blades have the airflow acceleration function and the barrel wall self-cleaning function, secondary pollution is avoided through cooperation with a sewage collecting structure, the orientation of the device can be adjusted by 360 degrees, and the flying dust treatment requirement of a complex building construction site is met.

The utility model relates to the field of hydrogen engines, in particular to a hydrogen engine air channel liquid spraying atomization device. A liquid nozzle and a hydrogen nozzle are arranged in an air inlet channel communicated with a combustion chamber in a hydrogen engine, the liquid nozzle is communicated with an external liquid supply device, the hydrogen nozzle is communicated with an external hydrogen supply device, and liquid is sprayed by the liquid nozzle to form a primary atomization area; the primary atomization area is in contact with high-pressure hydrogen sprayed out of the hydrogen nozzle to form a secondary mixing atomization area, a good atomization effect can be achieved by impacting liquid through gas, a gas-entrained spraying nozzle or a nozzle with ultrahigh spraying pressure and matched equipment of the nozzle are replaced, the requirement for the nozzle and the spraying environment during liquid atomization is greatly lowered, and the spraying efficiency is improved. And low-temperature and low-pressure injection can be realized.

The invention provides a modularized rotary spraying absorption device for papermaking white mud flue gas desulfurization and a use method, the modularized rotary spraying absorption device comprises a white mud pretreatment module, a rotary spraying desulfurization reaction module, a by-product sedimentation and recovery module and an intelligent control system, and through the integrated design of high-shear pulping, rotary spraying atomization, flow guide enhanced mass transfer, mud scraping separation and intelligent regulation and control, the desulfurization efficiency is improved; and high-efficiency desulfurization and by-product recycling by taking the papermaking white mud as the absorbent are realized. The system effectively solves the problems of dependence on high-quality limestone, complex system, easy blockage, high energy consumption and the like of the traditional desulfurization technology, has the advantages of compact structure, stable operation, high adaptability, convenience in modular deployment and the like, and is particularly suitable for medium and small-scale industrial flue gas desulfurization transformation and resource recycling scenes.

This invention discloses a high-temperature wind tunnel and testing method under shock wave thermal loading, relating to the technical field of high-temperature wind tunnel testing equipment. The method includes: a shock tube, a wind tunnel testing system, a pressure acquisition system, and an intake and exhaust system. It utilizes secondary shock wave reflection heating to obtain a high-temperature, high-pressure gas source, resulting in a higher total temperature of the heated gas source. The high-temperature wind tunnel achieves gas heating and pressurization entirely through shock wave flow, requiring no additional electricity or fuel gas, thus reducing the cost per test. The high-temperature wind tunnel test gas is premixed, enabling precise control of the test gas components and ensuring their purity. This invention can obtain high-temperature, high-pressure subsonic flow fields and even supersonic flow fields covering a wide range of operating conditions. It can be used for visual testing and diagnosis of fuel atomization and auto-ignition processes under high-temperature crosswinds, accurately characterizing physicochemical parameters such as fuel atomization characteristics, auto-ignition characteristics, and flame propagation characteristics, providing experimental data support for the combustion organization of engine combustion chamber atomization.

The invention discloses a low-temperature atomization system for directly preparing nucleic acid medicine inhalation dry powder. The low-temperature atomization system comprises an atomization system and a low-temperature drying system. The atomization system comprises a spray atomization device and a switching sealing structure. And the spray atomization device is connected with the low-temperature drying system through a switching sealing structure. The spray atomization device converts a liquid nucleic acid drug solution or suspension into droplets. And the spray atomization device comprises an atomization mesh. The low-temperature drying system comprises a cooling system; and the cooling system is used for removing the solvent or moisture in the liquid drops to form dry powder. The cooling system comprises a cooling tower and an external cooling device; the cooling tower comprises a tower cover, a tower body and a tower bottom, wherein the tower cover, the tower body and the tower bottom are connected in sequence. According to the invention, the damage of high temperature to medicine components can be avoided, and the uniformity and preparation efficiency of medicine particles can be improved.

The application discloses a downward spraying atomizing head, which comprises a shell, a spraying cavity and a screening cavity. The spraying cavity is arranged in the shell, and the screening cavity is arranged in the spraying cavity. An atomizing nozzle is arranged in the screening cavity. The cavity wall of the screening cavity is provided with screening holes. The spraying cavity is provided with an air outlet channel. The air outlet channel is inclined downward. A gap is left between the air outlet end of the air outlet channel and the inner wall of the shell. The shell is provided with an air outlet. The position of the air outlet corresponds to the air outlet channel. The bottom wall of the shell is provided with a first backflow hole. The application can recycle essential oil gathered on the inner wall of the spraying channel.

The utility model provides a liquid supplementing bottle and atomization equipment, and relates to the technical field of electronic atomization, the liquid supplementing bottle is assembled on an atomizer, the liquid supplementing bottle is provided with a liquid storage cavity, at least one pressure triggering type conduction structure and a liquid guide channel communicating the liquid storage cavity with the atomizer, and the pressure triggering type conduction structure controls the liquid guide channel to be opened or closed. When the liquid supplementing bottle is not assembled on the atomizer, the pressure triggering type conduction structure is closed; when the liquid supplementing bottle is assembled in the atomizer, at least part of the atomizer extends into the liquid storage cavity so as to press part of the atomized matrix into the pressure triggering type conduction structure and spray out the atomized matrix, and the sprayed-out atomized matrix enters the atomizer. The atomization equipment comprises an atomizer and a liquid supplementing bottle, the atomizer comprises a liquid guiding part, an atomization air channel and a heating part, the atomization air channel is arranged on the liquid guiding part, the heating part is contained in the atomization air channel and at least partially attached to the liquid guiding part, and at least partially the liquid guiding part extends into the liquid storage cavity. The core moistening efficiency is improved, the waiting time is shortened, the method is convenient for a user to use, and the user experience is improved.

The utility model discloses a mute compression type atomization machine which comprises an atomization control box, a compression assembly, a transmission assembly and a driving motor. The compression assembly achieves uniform compression of liquid through the interaction between the fixed rotary vane and the movable rotary disc, and the liquid is atomized through the atomization module. And the transmission assembly stably drives the eccentric motion of the dynamic rotating disc through the matching of the balls and the harmonic grooves, so that the impact and vibration are reduced, and the noise is reduced. By means of the design, the mute compression type atomizer can provide continuous and stable atomization output under the low noise level, and is widely suitable for application occasions needing efficient and low-noise atomization, such as air humidification, indoor spraying, atomization humidification and the like.

The utility model aims at disclosing a spraying device for hypochlorous acid in a feed factory, which comprises a spraying tower device, hypochlorous acid preparation equipment and a hypochlorous acid temporary storage tank, compared with the prior art, the spraying tower device adopts a hypochlorous acid spraying mode, and the hypochlorous acid has the effects of strong oxidizing property and chlorine-containing disinfectant, and also has the advantages that the hypochlorous acid preparation equipment can be used for preparing hypochlorous acid; the disinfectant also can be used for disinfecting skin and mucosa, can be reduced into water after being used, and is free of residues and pollution; hypochlorous acid preparation equipment is a subacid hypochlorous acid generator, the produced hypochlorous acid is high in purity and free of by-products such as sodium chloride and chlorate, and the hypochlorous acid belongs to a high-level disinfectant and can rapidly kill various bacteria, viruses, fungi and mycoplasmas; after the waste gas is sprayed by the hypochlorous acid of the spray tower device, a spraying pipeline is arranged in an exhaust outlet at the rear end, hypochlorous acid liquid with the concentration of 50ppm is sprayed and atomized through a high-pressure atomizing pump, so that odor molecules are in full contact with the hypochlorous acid liquid, the deodorization effect is doubly ensured, and finally, the waste gas is discharged into the atmosphere after being treated to reach the standard.

According to the movable standard maintenance shed and the intelligent temperature and humidity control method thereof, through the design of universal trundles and forklift insertion grooves of a base platform, in cooperation with an aluminum alloy truss or a steel telescopic modular heat preservation frame, the movable standard maintenance shed can be rapidly moved to a distributed work site, the frame stretches out and draws back and is covered with high-strength waterproof plastic cloth, and rapid unfolding and folding are achieved; scene requirements of slip-form construction, prefabricated parts and the like are met; the temperature and humidity adjusting unit integrates a plurality of devices such as a spraying atomization device and an ultrasonic humidifying device and is matched with a plurality of groups of distributed sensors of the intelligent control system, so that atomization particle size adjustment and temperature precision control can be realized; a stage identification model and a prediction algorithm of the controller realize advanced intervention adjustment; the remote communication module supports data transmission, the cloud end can monitor parameters in real time and remotely configure a threshold value, and manual intervention is reduced; the operation and maintenance efficiency is improved; the early strength and crack resistance of the concrete are improved through closed space and precise temperature and humidity control; the early performance stability requirement of the concrete in a complex construction environment is met.

The invention discloses an adjustable pneumatic flame stabilizing and oil injection integrated device which comprises an adjustable oil injection rod and an actuating mechanism. An air cooling sleeve is arranged outside the oil conveying rod in a sleeving mode to form a double-layer pipe installation structure, and therefore the oil spraying atomization function is achieved through an air spraying hole and an oil spraying hole. The adjustable oil injection rod is matched with a corresponding actuating mechanism and can rotate along the radial axis, so that at different rotating angles, the air entraining cap in a specific shape is used for adjusting the amount of cold air entering the double-layer tubular structure, and the atomization requirement of the stress application working condition and the cooling requirement of the non-stress application working condition are met. The section shape of the air cooling sleeve is optimized, the flame stabilizing requirement of the stress application working condition is met in the high-resistance state of the high windward area, and the pneumatic requirement of the non-stress application working condition is met in the low-resistance state of the low windward area. Therefore, according to the adjustable characteristic and the optimized structural design, the multi-working-condition adaptability and the structural integration degree are both considered, and the requirements of a new generation of aero-engines can be better met.

The utility model discloses a fully mechanized coal mining face water filtering device which comprises a first main body pipeline, a second main body pipeline is arranged on one side of the first main body pipeline, a filter screen is arranged at the position, close to a joint port of the first main body pipeline and the second main body pipeline, of the first main body pipeline, and a motor is embedded in the center of the filter screen. A cleaning plate is vertically arranged at the output end of the motor, and a cleaning brush is arranged on the surface of the side, opposite to the filter screen, of the cleaning plate. According to the water filtering device for the fully mechanized coal mining face, the labor intensity of workers is reduced, the production cost coefficient is greatly reduced, after the device is used, impurities in water can be effectively filtered, a spray head is prevented from being blocked, the device is easy to machine, extremely low in production cost, very easy to install and good in using effect, the good filtering effect is achieved, and the water filtering device is suitable for popularization and application. Impurities in water are filtered through a filter screen in the filter, so that a good effect is achieved, the service life of the spray head is prolonged, and the spray atomization effect of each transfer point is improved.

A spray gun, comprising a spray gun body (100) and a liquid bottle (200). The spray gun body (100) comprises a handle (1), a transition part (2), and a gun body (3), which are connected in sequence from bottom to top. A muzzle (4) is disposed at a front end of the gun body (3), an electric air pump (5) is disposed in the interior of the handle (1), a circuit board (6) is disposed in the interior of the transition part (2), a storage battery (7) is disposed in the interior of the gun body (3), and an outwardly extending nozzle (8) is disposed in the muzzle (4). The handle (1) and the electric air pump (5) of the gun body (3) are each connected to the nozzle (8) by means of an airflow line (9), and the circuit board (6) is electrically connected to the storage battery (7) by means of a wire (11). The spray gun can generate twice as much air volume as a conventional single pump, which can effectively increase air pressure, and a spraying atomization effect is good.

This application discloses a wet-process phosphoric acid cooling and settling system, relating to the technical field of phosphoric acid production processes. It includes a mixer, a flocculant addition unit, a thickener, a cooling tower, a temporary storage tank, a spray atomization unit, an air-cooling unit, and a settling tank. The flocculant addition unit adds flocculant to the mixer. The thickener is used for initial precipitation and separation of the phosphoric acid mixed with flocculant. The temporary storage tank collects the supernatant from the thickener. The spray atomization unit guides the phosphoric acid from the temporary storage tank into the cooling tower, forming a mist-like droplet. The air-cooling unit cools the atomized phosphoric acid. The cooled phosphoric acid then enters the settling tank for secondary precipitation and separation. This application achieves efficient cooling and rapid precipitation of wet-process phosphoric acid, reducing subsequent salt precipitation and scaling, lowering the workload of cleaning sedimentation tanks, improving the quality of downstream products, and facilitating subsequent processing steps.

This utility model discloses a dyeing and printing drying and setting exhaust gas treatment device, which includes a pretreatment unit, an oxygen enhancement unit, and a catalytic absorption unit in sequence. The pretreatment unit is a cyclone separation structure with a spray atomization structure arranged inside. The oxygen enhancement unit has an ozone injection mechanism. The top of the catalytic absorption unit has a catalytic chamber and the bottom has an absorption chamber. The reduction chamber has a rotary air duct structure. An exhaust gas discharge pipe is arranged at the rear end of the catalytic absorption unit, and a negative pressure fan is arranged at the exhaust gas discharge pipe.