33results about How to "Guaranteed atomization effect" patented technology

The invention relates to the technical field of aero-engine oil injection control, in particular to an oil injection system assembly for an aero-engine, which comprises an annular oil supply pipe, a main oil pipe, a connecting seat, an air pressure sensor, a mounting seat, a guide pipe, an oil injection head, an aperture adjusting assembly, an oil hole shielding assembly, an end cover, a round rod, a limiting seat and a hydraulic push rod, a penetrating hole is formed in the center of the side wall of the oil spraying head, oil spraying holes distributed in an annular array mode relative to the penetrating hole are further formed in the side wall of the oil spraying head, and the hole diameter adjusting assembly is rotationally connected with the oil spraying head through the penetrating hole. When the flight height of the meteorological monitoring unmanned aerial vehicle changes, the size of the oil injection holes and the opening and closing number of the oil injection holes are sequentially and correspondingly adjusted, and the problems that the monitoring height of the meteorological monitoring unmanned aerial vehicle is frequently increased, the amount of air entering a turbine engine is reduced, and oil injection efficiency is low in the adjusting process of an oil injection pump are solved. Residual aviation kerosene in the oil injection pipe cannot be fully combusted after being sprayed out, and a small amount of aviation kerosene is attached to the combustion chamber.

This utility model relates to a spray gun capable of multi-stage atomization, belonging to the technical field of multi-stage atomization spray guns. The multi-stage atomization spray gun includes: a spray pipe with a nozzle threadedly connected to its inner wall; and an anti-backflow mechanism, comprising two sealing gaskets slidably connected to the inner wall of the nozzle, and two mounting blocks fixedly connected to the inner wall of the nozzle, with the surface of the sealing gaskets slidably connected to the inner wall of the mounting blocks. Through the cooperation of springs, sealing gaskets, and mounting blocks, unidirectional limiting of the air holes within the nozzle is achieved, thereby preventing the solution inside the nozzle cavity from flowing into the air holes, ensuring the air intake of the nozzle cavity, and thus guaranteeing the atomization effect. The cooperation of a first sealing ring and a second sealing ring seals the connection between the nozzle and the spray pipe, preventing leakage at the connection and improving the atomization effect of the spray gun.

The utility model provides a multifunctional viewing platform which comprises a viewing platform body, a hexagonal water tower is arranged at the top of the viewing platform body, a roof is arranged at the top of the hexagonal water tower, a water storage cavity is formed in the hexagonal water tower, and a plurality of water storage ponds are arranged in the hexagonal water tower around the water storage cavity in an annular matrix mode. A plurality of water supply mechanisms for supplying water into the water storage tank are arranged in the water storage cavity; during use, the ultrasonic oscillator is started to atomize water in the water storage tank, and the atomized water overflows to the outside through the mist discharge port, so that the periphery of the viewing platform body is pervaded with water mist, and the functionality and the ornamental value of the viewing platform body are improved; the water level sensor sends a signal to the external controller, the external controller controls the water supply mechanism to supply water to the interior of the water storage pond after receiving the signal, damage caused by water-free operation of the ultrasonic oscillator is prevented, impurities in water are effectively removed through the arrangement of the water filtering layer, the water quality is improved, and the atomization effect is guaranteed.

The utility model discloses replaceable electronic atomization equipment, which belongs to the technical field of electronic cigarette design and manufacture, and adopts the technical scheme that the replaceable electronic atomization equipment comprises a lower shell, an upper shell is clamped at the top of the lower shell, a battery is arranged in the lower shell, a circuit control board is arranged at the top of the battery, an atomization component is arranged on the front side of the battery, and the atomization component is arranged in the upper shell. By arranging the atomization assembly, on one hand, by means of the design of a connecting sleeve, a connecting groove and a conveniently-detached sleeve connected through threads, an atomization bottle can be conveniently replaced, the resource utilization rate is greatly increased, and the problem of environmental pollution caused by the fact that the atomization bottle cannot be replaced is effectively solved; the atomization core is ingeniously matched with the power connection terminal and the connecting groove, stable electric connection is ensured, the atomization effect is ensured, meanwhile, the structure is simplified, the use complexity and the maintenance cost are reduced, and efficient and convenient use experience is brought to a user.

The present invention relates to a method for preparing a carbon fiber ceramic body and a porous ceramic heating element. The method for preparing a carbon fiber ceramic body comprises the following steps: adding ceramic powder, adhesive, and surfactant to silica sol to form a slurry and ball milling to form three slurries, respectively adding 5%, 10%, and 15% of chopped fibers and pore formers and water to the three slurries, and ball milling to form a first mixture, a second mixture, and a third mixture. The ceramic powder of the present invention can form a structural skeleton, the adhesive can bond the ceramic powder, and the pore former can form pores; the surfactant can enhance the dispersion of pores in the ceramic powder and the adhesive; the chopped fibers can enhance the strength of the carbon fiber ceramic body; the chopped fibers will produce carbon after being heated and decomposed, which can increase the thermal conductivity of the carbon fiber ceramic body; and the content of the chopped fibers in the first mixture, the second mixture, and the third mixture gradually increases, which can make the heat distribution of the carbon fiber ceramic body uniform.

The invention relates to the technical field of spraying type saturators, in particular to a saturator spraying device. Comprising an ammonium sulfate mother liquor inlet, an annular pipe, branch pipes and nozzles, the ammonium sulfate mother liquor inlet is connected with the annular pipe, the annular pipe surrounds and is fixedly connected to the exterior of the saturator body, and the annular pipe distributes ammonium sulfate mother liquor; the branch pipes are circumferentially and evenly distributed on the annular pipe, one ends of the branch pipes are connected with the annular pipe, the other ends of the branch pipes penetrate through the gas channel cover plate and extend into the gas channel, and the nozzles are fixedly connected to the other ends of the branch pipes. The annular pipe is used for distributing ammonium sulfate mother liquor, is good in stress and not prone to leakage, and is located outside the equipment, and leakage can be found.

The utility model discloses an ultramicro fog multi-airflow secondary atomizing nozzle, which relates to the technical field of atomizing nozzles, and comprises a spray pipe, the end part of the spray pipe is connected with a pressurizing nozzle, the spray pipe is internally connected with a water supply component, one side in the spray pipe, which is close to the pressurizing nozzle, is connected with a flow speed accelerator, and the flow speed accelerator is connected with the water supply component; multifunctional fan blades are connected to the flow speed accelerator in the circumferential direction of the flow speed accelerator, the end of the spray pipe is sleeved with the pressurizing nozzle, a variable-diameter pressurizing opening matched with the pressurizing nozzle is formed in the end of the spray pipe, and a smashing opening is formed in the pressurizing nozzle. Compared with the prior art, the ultra-micro-mist multi-airflow secondary atomization nozzle has the advantages that the ultra-micro-mist multi-airflow secondary atomization nozzle can be used for secondary atomization, has a pressurizing effect, ensures the spraying range and is good in atomization effect.

The utility model relates to a self-cooling rotary high-temperature-resistant double-fluid spray gun, which aims to solve the technical problem that the existing spray gun is easy to deform at high temperature, and adopts the technical scheme that the left end of an inner pipe of the spray gun is plugged by a first plug, and two ends of a compressed air rotary joint are sleeved on the inner pipe of the spray gun through bearings; spray gun inner pipe air inlet holes are formed in the side wall, right opposite to the compressed air inlet connector, of the spray gun inner pipe, the spray gun outer pipe is fixedly arranged on the spray gun inner pipe, a liquid phase fluid cavity is formed between the spray gun inner pipe and the spray gun outer pipe, the liquid phase fluid rotating connector is arranged on the spray gun outer pipe through a bearing in a sleeving mode, and spray gun outer pipe liquid inlet holes are evenly formed in the side wall of the spray gun outer pipe. The cooling air pipe is sleeved on the liquid phase fluid rotating joint, and the wind wheel is arranged on the spray gun outer pipe and adopts an eccentric structure; the air distribution and plate jet integrator is arranged at the right end of the spray gun inner pipe, the cutter is arranged at the right end of the spray gun outer pipe, and the nozzle is arranged at the right end of the cutter. The cooling air inlet adopts an eccentric structure, and the driving wind wheel drives the spray gun to rotate integrally, so that the problem of bending deformation of the spray gun can be counteracted.

The present application relates to an atomizing nozzle, comprising a shell, a resonator and a liquid outlet pipe. A deflector is arranged inside the shell, an annular gap is provided between the shell and the deflector, an annular resonance groove is provided between the resonator and the shell, a liquid inlet and a first connecting channel are also provided on the resonator, the liquid outlet pipe is arranged on the resonator, a second connecting channel is provided between the liquid outlet pipe and the resonator, and the liquid outlet pipe, the liquid inlet and the first connecting channel are interconnected through the second connecting channel; the atomizing nozzle of the present application can utilize its special structure so that gas with a relatively low air pressure can form a supersonic jet through the annular gap after being input into the shell, and the supersonic jet is suppressed when entering the annular resonance groove to generate a positive shock wave, so that the liquid entering the second connecting channel through the liquid inlet can be quickly atomized by the subsonic airflow with a periodic positive shock wave, so that the nozzle does not need to be used with a high-pressure water tank, saving the use cost and expanding the scope of use.

The steam turbine steam exhaust grading water spraying temperature reduction system comprises a pipeline, a valve and at least two nozzle sets, the nozzle sets are arranged on a low-pressure cylinder, the number of the nozzle sets is at least two, and the nozzle sets are arranged at different positions of the low-pressure cylinder, so that the nozzle sets work, and the corresponding low-pressure cylinder cooling areas are different; the working conditions of all the nozzle groups are matched with the maximum water spraying condition required by the corresponding steam turbine; each nozzle group is connected with an independent branch pipeline and an independent valve, the pipelines are used for supplying pressure fluid to the nozzle groups, the valves are used for controlling the opening and closing of the spraying states of the nozzle groups, and the working combination of the nozzle groups connected with the branch pipelines is realized through the opening and closing combination of the valves; according to the spraying control method of the steam turbine steam exhaust grading water spraying temperature reduction system, the multiple independent nozzle sets are arranged on the steam exhaust side of the low-pressure cylinder, and the different nozzle sets are combined for spraying according to the working condition needing cooling.

This application relates to a spray humidification device and a fuel cell system. The spray humidification device includes: a main shell having an evaporation chamber and a turbulence chamber, the evaporation chamber being divided into multiple independent spray chambers, which are connected to the turbulence chamber; multiple spray nozzles disposed on the main shell, each nozzle connected to a spray chamber and spraying liquid water into the spray chamber, the liquid water being capable of vaporizing into gaseous water; multiple turbulence plates spaced apart in the turbulence chamber, the turbulence plates being used to turbulent the unvaporized liquid water and gaseous water and air; and an output pipe disposed at one end of the main shell and connected to the turbulence chamber, the output pipe also being connected to the cathode inlet of the fuel cell stack, for inputting gaseous water and air into the cathode inlet. This ensures atomization effect and prevents liquid water accumulation, thereby preventing liquid water from entering the fuel cell stack and causing flooding, thus preventing fuel cell system malfunction.

The embodiments of the present application belong to the field of aerosol generating devices, and relate to an atomization output protection method, which continuously obtains atomization time parameters and obtains preset electrical parameters; if the atomization time parameters meet the first preset time threshold, the attenuation parameters are obtained; the actual electrical parameter values ​​are calculated according to the preset electrical parameters, the atomization time parameters, and the attenuation parameters; and the actual electrical parameter values ​​are output. The present application also provides an atomization output protection device, a computer device, and a storage medium. The present application calculates the actual electrical parameter values ​​according to the preset electrical parameters, the atomization time parameters, and the attenuation parameters, so that the actual electrical parameter values ​​that are continuously output are in an attenuated state, and at the same time, the attenuation changes of the actual electrical parameter values ​​are smoothed, which effectively protects the atomization component, effectively extends the service life of the atomization component, and also ensures the atomization effect of the atomization component on the aerosol substrate during long-term use.

The application provides an atomizing nozzle and a micro-lubrication system. The atomizing nozzle comprises: an air inlet part, the air inlet part comprising an air inlet cavity and an air inlet and an air outlet respectively located at opposite ends of the air inlet cavity and both in communication with the air inlet cavity; a sound attenuation part, the sound attenuation part comprising a containing cavity and a mounting opening and a spraying opening respectively located at opposite ends of the containing cavity and both in communication with the containing cavity, and the air inlet part having the air outlet is inserted into the containing cavity through the mounting opening; wherein, a turbulence structure is arranged in the containing cavity, so as to solve the problem that the atomizing nozzle of the micro-lubrication system in the prior art cannot reduce noise while not affecting the atomization effect.

The invention belongs to the technical field of petrochemical engineering, and particularly relates to a temperature reducing device, an anti-surge system and a compressor. The nozzle body is provided with a containing cavity and a flow guide channel communicated with the containing cavity, the end, away from the flow guide channel, of the containing cavity is provided with an opening, and the end, away from the containing cavity, of the flow guide channel is communicated with a process refrigerant pipeline; the rotational flow valve element is arranged in the opening in a penetrating mode and arranged in the containing cavity in a sliding mode, and the rotational flow valve element can be switched between a first position and a second position; the valve rod penetrates through the valve seat and is connected with the rotational flow valve core; the adjusting piece is located outside the containing cavity and movably connected with the end, away from the rotational flow valve element, of the valve rod. The elastic piece is located outside the containing cavity and arranged on the valve rod in a sleeving mode, and the two ends of the elastic piece abut against the adjusting piece and the nozzle body respectively. According to the temperature reduction device, the anti-surge system and the compressor, efficient and fine atomization and refrigeration effects can be guaranteed, and the heat exchange efficiency is improved.

This invention relates to the technical field of waste incineration equipment, and provides a concentrated liquid return spray gun for nitrogen reduction in waste incinerators, comprising: a gun body having an inner and outer inlet pipe for concentrated liquid and an outer inlet pipe for compressed gas; a nozzle movably disposed at the outlet end of the inlet pipe for spraying concentrated liquid; and an atomizer movably disposed at the outlet end of the inlet pipe and located around the nozzle for atomizing the concentrated liquid for combustion in the waste incinerator; wherein, the nozzle can rotate forward around the gun body axis under the hydraulic propulsion of the concentrated liquid, and the atomizer can rotate counterclockwise around the gun body axis under the pneumatic propulsion of the compressed gas. The nozzle and atomizer of this invention, through relative forward and counterclockwise rotation, cause the concentrated liquid sprayed in a forward spiral to collide and cut with the compressed gas blown out in a counterclockwise spiral, thereby improving the atomization effect of the concentrated liquid and effectively solving problems such as difficulty in igniting waste, uneven feeding in the incinerator, and uneven combustion.

The utility model relates to an integrated glue spraying atomizing valve, including valve body subassembly, first solenoid valve and second solenoid valve, install valve rod cylinder, glue outlet channel, atomizing gas channel and valve rod in valve body subassembly inside, be connected with the glue inlet, first air inlet and second air inlet on valve body subassembly, still be provided with a plurality of air passages in valve body subassembly, first solenoid valve and second solenoid valve install on valve body subassembly, the air inlet of first solenoid valve is communicated with first air inlet through air passage, the outlet end is communicated with valve rod cylinder through air passage, the air inlet of second solenoid valve is communicated with second air inlet through air passage, the outlet end is communicated with atomizing gas channel through air passage. The integrated glue spraying atomizing valve sets up a plurality of air passages in valve body subassembly, so that first, second solenoid valve can be connected with first, second air inlet through air passage respectively, need not to set up the connecting air pipe additionally, to make the assembly connection of atomizing valve simple and convenient, atomizing valve realizes high frequency high speed response, guarantees atomizing effect.

The utility model discloses a vacuum unit for a waste oil recycling and rerefining process, and relates to the technical field of waste oil recycling. The oil filter comprises a base body and a vacuum tank arranged in the center of the upper end face of the base body, and further comprises a primary filter bin arranged on one side of the upper end face of the base body, and an oil inlet is connected to one side of the primary filter bin; the filtering and dismounting mechanism is arranged in the primary filtering bin; the heating bin is arranged on the upper end face of the base body and connected with the output end of the primary filtering bin, a connecting pump body is arranged at the upper end of the heating bin, and the upper end of the connecting pump body is connected with the vacuum tank. Dirt such as large particles in waste oil can be filtered by arranging the primary filtering bin, then the waste oil can be guided into the filtering pipe bins through the arranged first guiding pipe, the two filtering pipe bins are arranged, the check valve body can control the waste oil to enter any filtering pipe bin, and therefore the waste oil can be filtered conveniently. Therefore, the filtering pipe bin can be replaced while normal filtering of the equipment is not influenced.

The present invention belongs to the technical field of liquefied gas deacidification, and specifically is a carbon four liquefied gas filtering and deacidification equipment for carbon four deep processing. It comprises a frame, the frame is fixedly connected with an acid removal tower, the acid removal tower is connected with an air inlet pipe, the acid removal tower is provided with an air outlet pipe, the inner side wall of the acid removal tower is provided with a heating plate, the acid removal tower is provided with a slag discharge pipe and a material injection pipe, the acid removal tower is fixedly connected with a blocking plate and a diverter plate, the lower side of the diverter plate is provided with uniformly distributed nozzles, the acid removal tower is fixedly connected with a temperature measuring rod, and the temperature measuring rod is provided with an expansion strip. The present invention monitors the temperature of the acid removal tower by cooperating with the temperature measuring rod and the expansion strip, so that the amount of liquefied gas entering the acid removal tower is immediately reduced after a violent reaction occurs in the acid removal tower, thereby reducing additional heat generation at the root, maintaining the stability of the temperature environment in the acid removal tower, preventing the occurrence of violent reactions in the acid removal tower, and improving the safety of the operation of the device.

The application belongs to the technical field of aero-engines, and discloses an aero-engine combustion chamber main combustion stage fuel nozzle and a fuel control method. The aero-engine combustion chamber main combustion stage fuel nozzle comprises a same center axis, a duty class fuel nozzle, a swirler and a main combustion stage fuel nozzle which are sequentially sleeved from inside to outside, and the outlet of the main combustion stage fuel nozzle is sleeved with a sleeve. The fuel control method ensures that the fuel jet flow of the duty class fuel nozzle is unchanged, the swirler rotates around the duty class fuel nozzle, the fuel jet flow of the main combustion stage fuel nozzle is adjusted, and then the total fuel jet flow of the aero-engine combustion chamber main combustion stage fuel nozzle is changed. The fuel control method of the aero-engine combustion chamber main combustion stage fuel nozzle realizes efficient fuel injection under different working conditions, guarantees the combustion efficiency and stability of the combustion chamber, controls the combustion temperature distribution of the main combustion zone, and reduces the pollutant emission of the combustion chamber.

A reducing agent injection quantity accurate control device based on an SCR system is characterized in that a reducing agent storage box (1) is communicated with a supply pump (2), the supply pump (2) is communicated with a reducing agent pressure stabilizing pipeline UR and a pressure stabilizing valve (33), a plurality of branches are led out of the reducing agent pressure stabilizing pipeline UR, each branch is provided with a flow meter (4), a reducing agent supply electromagnetic valve (10) and an injection regulating valve (5) and then connected with a spray gun (6), and the spray guns (6) are inserted into an exhaust pipeline (7); the compressed air pressure stabilizing pipeline AR is provided with pressure regulating valves (34) which are communicated with a plurality of branches led out of the reducing agent pressure stabilizing pipeline UR in a one-to-one correspondence mode, the compressed air pressure stabilizing pipeline AR is communicated with a compressed air electromagnetic valve (8) and a spray gun (6), and a spray gun purging electromagnetic valve (9) is further connected between the compressed air pressure stabilizing pipeline AR and the reducing agent pressure stabilizing pipeline UR. The device can ensure the pressure stability of the reducing agent and the auxiliary injection compressed air on the basis of effectively reducing the equipment cost, so that the injection precision and the atomization effect are ensured.

The embodiment of the invention provides an atomizing core, atomizing equipment and a preparation method of the atomizing core. The preparation method comprises the following steps: providing a substrate, and carrying out first laser preforming operation on the substrate to form a preformed runner array; second laser preforming operation is carried out in the substrate, so that at least one layer of preforming liquid storage channel is formed between the first surface and the second surface; forming operation is conducted on the preformed flow channel array to form a flow channel array, the flow channel array comprises a plurality of flow channels, and the flow channels penetrate from the first surface to the second surface; and forming operation is conducted on the at least one layer of preformed liquid storage channel, so that the at least one layer of preformed liquid storage channel forms at least one layer of liquid storage channel, and the at least one layer of liquid storage channel communicates with at least some of the multiple flow channels. According to the atomizing core prepared by the preparation method, the uniformity of oil supply to the heating body can be ensured, and the oil storage function of the atomizing core is enhanced, so that the atomizing stability is improved.

The utility model belongs to the technical field of atomization, and particularly discloses an atomizer and a condensation type gas water heater, the atomizer comprises a shell, a piezoelectric ceramic piece and a flexible sealing sleeve, the shell is provided with atomization holes, the piezoelectric ceramic piece is provided with an acid-resistant protection piece, and the piezoelectric ceramic piece can transmit high-frequency vibration to the protection piece; the flexible sealing sleeve is arranged in the shell, one end of an opening of the flexible sealing sleeve is connected to the periphery of the atomization hole in a sealed mode, the outer periphery of the protection piece and the inner side wall of the flexible sealing sleeve form sealing, one face of the protection piece faces the atomization hole, and the other face of the protection piece faces the piezoelectric ceramic piece. The condensation type gas water heater adopts the atomizer, so that the piezoelectric ceramic piece in the atomizer can be prevented from being corroded in acidic condensate water in the condensation type gas water heater, the atomization effect is guaranteed, and the phenomena that the atomization effect is reduced or atomization fails and the like due to damage of the piezoelectric ceramic piece are reduced as much as possible.

This invention discloses a low-concentration dust generating device, including a mounting base. A dust-generating conical chamber, wider at the bottom and narrower at the top, is fixed on the mounting base. The upper end of the conical chamber is a dust outlet connected to a dust outlet pipe, which has several dust outlet nozzles. A dust-driving port connected to a compressed air source is located at the bottom of the conical chamber. An infusion tube is fixed to the bottom of the conical chamber, and its lower part is connected to the outlet of a syringe needle of an injection pump. The syringe needle contains a solution containing dust particles. The upper end of the infusion tube is an outlet extending vertically into the conical chamber. An ultrasonic atomizer is installed inside the conical chamber, with its atomizing head facing upwards and connected to the outlet of the infusion tube. This dust generating device can emit a lower concentration of dust airflow, making it suitable for simulating lower concentration dust environments.

The corn liquid atomizing nozzle belongs to grain processing equipment; a cylindrical nozzle core is installed in a cylindrical barrel nozzle shell, a liquid input channel is opened axially on the cylindrical nozzle core, an annular gap is provided between the cylinder at the lower end of the cylindrical nozzle core and the inner wall surface of the barrel cavity of the cylindrical barrel nozzle shell, a conical annular atomizing chamber is formed between the inverted cone at the lower end of the cylindrical nozzle core and the inverted conical inner wall surface at the bottom end of the cylindrical barrel nozzle shell cavity, a normal conical discharge port is provided on the bottom wall of the cylindrical barrel nozzle shell and is connected with the conical annular atomizing chamber, an annular gas-material mixing chamber is provided between the outer side of the normal conical boss of the cylindrical nozzle core and the inner wall surface of the cylindrical barrel nozzle shell, and a compressed gas inlet is provided on the side wall of the cylindrical barrel nozzle shell; the annular gas-material mixing chamber is respectively connected with the compressed gas inlet, the liquid input channel and the conical annular atomizing chamber; the nozzle has good atomization quality and is not easy to be blocked.

The present invention discloses a valve seat, wherein a vacuum groove is formed on the cavity wall of the first sealing cavity near the nozzle hole. By setting the vacuum groove, when a high-speed fluid medium rotates along the cavity wall of the first sealing cavity and flows toward the nozzle hole, the high-speed fluid medium drives the air in the vacuum groove to form a cyclone, thereby forming a negative pressure state. In the process of forming the cyclone, the air enters the nozzle hole together with the fluid medium, and finally forms a mist-like spray. In this process, the cyclonic turbulence of the air in the vacuum groove can carry away the residual part of the fluid medium on the inverted cone surface or spherical arc surface structure below the sphere after the sphere contacts and seals with the inverted cone surface or spherical arc surface structure, thereby avoiding residual fluid medium, and further reducing the blockage of the nozzle hole by impurities after hardening and drying, thereby affecting the atomization effect.

The invention provides a carburetor capable of preventing low-temperature failure and a control method thereof. The carburetor comprises a carburetor body with a gas passing channel, a constant-temperature control assembly and a rapid oil pumping assembly. The oil outlet end of the oil delivery pump is connected with the oil injection port through an oil path arranged on the carburetor body; the oil way is provided with a needle valve used for connecting and disconnecting the oil way, the needle valve is installed in a needle valve cavity located on the side portion of the carburetor body, a crow plate is installed on the needle valve, the needle valve cavity is communicated with the oil spraying opening, and an elastic membrane used for pushing the needle valve to connect and disconnect the oil way through the crow plate is arranged in the needle valve cavity. A gland covers the needle valve cavity and the elastic membrane; the constant-temperature control assembly comprises a controller, an electric heating body and a temperature sensor, wherein the electric heating body and the temperature sensor are arranged on the carburetor body. The rapid oil pumping assembly comprises an elastic pressing button arranged in a through hole in the gland in a penetrating mode. The starting speed of the engine in the low-temperature environment can be increased, and the fuel atomization effect of the carburetor in the low-temperature environment is improved.

The present invention provides a multi-burner top-mounted fluidized bed gasifier, comprising a shell and a burner portion, a gasification chamber, a cooling chamber and a slag water outlet which are connected and coaxially arranged from top to bottom; the burner portion and the slag water outlet are respectively located at the top and bottom of the shell, and the gasification chamber and the cooling chamber are respectively arranged in the shell; the burner portion comprises a burner seat and a burner assembly; the burner seat is arranged at the top of the gasification chamber; the burner assembly comprises a long-burning lamp burner and at least two pulverized coal process burners; the long-burning lamp burner is arranged at the center of the burner seat; at least two pulverized coal process burners are dispersed and arranged around the periphery of the long-burning lamp burner on the burner seat; a quenching ring pipe with the same inner diameter, an atomized water spray device and a downcomer are coaxially arranged in sequence from top to bottom in the cooling chamber, and the three are fixedly connected in sequence, and the outer lower part of the downcomer is coaxially sleeved with an upper duct and a cyclone dehydrator. The multi-burner top-mounted fluidized bed gasifier of the present invention can ensure that the gasification device can operate safely for a long period of time.

The utility model discloses a sandstone storage yard spray dust suppression rotating support which comprises a mounting plate, the lower side of the mounting plate is fixedly connected with two supporting blocks, the close sides of the two supporting blocks are fixedly connected with an external pipe, and the inner wall of the external pipe is rotationally matched with a water inlet pipe. By arranging the reset spring, the pressed piston, the push rod, the dust suppression assembly and the like, the water pressure can push the pressed piston to move downwards under the action of the water pressure, the dust suppression assembly is driven to act through the push rod, so that the atomization nozzle extends out of the protection groove to start spraying operation, and in the non-working state, when the internal water pressure disappears, the dust suppression assembly is driven to move through the push rod. The reset spring pushes the pressed piston to move upwards, the atomization nozzle in the dust suppression assembly can be driven to retract into the protection groove, dust and sundries can be prevented from blocking the atomization nozzle installed on the support, the atomization end of the atomization nozzle is protected, the follow-up atomization effect is guaranteed, and meanwhile the service life of the atomization nozzle is prolonged.

The present invention proposes a horizontal wet electrostatic precipitator spray online maintenance device, including a water inlet main pipe, a water inlet branch, a connecting hose, a nozzle pipe, a nozzle and a top plate, the water inlet main pipe is connected to the water inlet branch through a plurality of first valves, two of the water inlet branches form a group of water inlet units, the water inlet units are arranged in a longitudinal interval, each group of water inlet units is provided with an auxiliary water inlet branch, the auxiliary water inlet branch is located between the two water inlet branches, the water inlet main pipe is connected to the auxiliary water inlet branch through a plurality of second valves, a plurality of three-way connecting pipes are connected between the water inlet branch and the auxiliary water inlet branch, the water outlet end of the three-way connecting pipe is connected to the connecting hose, the water outlet end of the connecting hose is connected to the nozzle pipe, and the water outlet end of the nozzle pipe is connected to the nozzle. The on-site installation and adjustment are convenient, and the online maintenance and replacement of the nozzle and the online maintenance of the spray pipe contamination can be realized to ensure the dust removal efficiency.

The utility model discloses a water supply device for road dust suppression belongs to road dust suppression technical field, has solved the existing municipal water supply pressure low, cannot satisfy the problem of road dust suppression sprinkler use demand. The water supply device includes the pressurizing room, the pressurizing room is equipped with vertical pipeline booster pump, vertical pipeline booster pump one side is equipped with the non - negative pressure steady flow jar, vertical pipeline booster pump input and non - negative pressure steady flow jar output intercommunication, non - negative pressure steady flow jar input and municipal water supply pipe intercommunication, non - negative pressure steady flow jar is equipped with vacuum suppressor on, vertical pipeline booster pump output end is connected with the output pipe, the output pipe is connected with the water outlet pipe, the water outlet pipe is connected with the road's sprinkler, the output pipe is connected with the pressure tank of control water pressure. The utility model discloses a water supply device for road dust suppression provides stable water supply pressure for the sprinkler on the road, and effectively promotes the dust fall effect.