39results about How to "Blockage" patented technology

The invention discloses a micro spray head capable of being used for underground embedment, and belongs to the technical field of irrigation. The micro spray head comprises an earth borer, a water dispersing plate, a connecting rod, an inner pipe, an outer pipe, a spring, an upper fixing ring and a lower fixing ring, wherein the top of the earth borer is provided with a water outlet; the water dispersing plate is provided with a plurality of water dispersing flow passages of which the upper parts are communicated with the lower parts; the bottom of the outer pipe is connected with an underground embedment type sprinkling irrigation device; the bottom of the inner pipe is provided with a circle of limiting baffle plate; the center of the top of the inner pipe is provided with a flow guider; the upper fixing ring and the lower fixing ring are orderly arranged inside the outer pipe from top to bottom; the inner pipe is mounted in the outer pipe in an axial sliding sleeving manner; the spring is mounted on the inner pipe in a sleeving manner; the limiting baffle plate is located between the upper fixing ring and the lower fixing ring; the spring is located between the upper fixing ring and the limiting baffle plate; the connecting rod is arranged between the water dispersing plate and the inner pipe; the water dispersing plate is connected with the earth borer cooperatively; the earth borer is in contact with the outer pipe when being in a non-working state. The micro spray head provided by the invention is applicable to the underground embedment; a blockage cannot occur; the cultivation is not influenced; a frequent disassembly is not needed; the labor intensity is reduced.

The invention relates to a waste transfer truck, in particular to a waste transfer truck capable of cleaning dustbins. The provided waste transfer truck capable of cleaning dustbins can relieve the working intensity of workers, improve the working efficiency and improve the time utilization rate. The waste transfer truck capable of cleaning dustbins comprises a waste truck of which one side is provided with a dumping mechanism, an installation plate connected to one side of the top of the waste truck, a collecting trough connected to one side of the top of the installation plate, a cleaning mechanism connected between the collecting trough and the installation plate, and a moving mechanism connected to the interior of the collecting trough. According to the waste transfer truck capable ofcleaning dustbins, through cooperation of the cleaning mechanism and the moving mechanism, the waste transfer truck can automatically clean the dustbins without cleaning the dustbins manually, the time utilization rate is increased, and the working intensity is relieved.

The invention discloses an unmanned aerial vehicle motor auxiliary heat dissipation shell which comprises a shell, a mounting seat and a base, wherein a heat conduction disc is arranged on the inner side of the shell; a heat dissipation sheet penetrating to the outside of the shell is arranged on the heat conduction disc; a front end cover and a rear end cover are detachably mounted at two ends ofthe shell; a heat dissipation fan is mounted on the inner wall, facing the inner side of the shell, of the rear end cover; heat dissipation holes penetrating through the rear end cover are formed inthe periphery of the heat dissipation fan; the shell is fixed on the mounting seat; the base is arranged below the mounting seat; and the base is connected with the mounting seat through a damping column. The unmanned aerial vehicle motor auxiliary heat dissipation shell has the advantages of simple structure, convenience in use, good heat dissipation effect on the motor of the unmanned aerial vehicle and high heat dissipation efficiency, effectively avoids the phenomenon that the motor is burnt out due to overheating after long-time work, prolongs the service life of the motor, has a dampingeffect, reduces vibration hidden dangers generated when the motor works in a buffering mode, and improves the working stability of the motor.

The invention discloses a motor vehicle tail gas catalytic purifying device. The motor vehicle tail gas catalytic purifying device comprises a shell body and a catalyst carrier, wherein the shell body comprises a main body part, a gas inlet part and a gas outlet part, the gas inlet part and the gas outlet part are located on the two sides of the main body part, and the catalyst carrier is arranged in the main body part. The gas inlet part is internally provided with a gas guiding device. The gas guiding device comprises a deflector which is fixedly clamped in the gas inlet part, perpendicular to the gas inlet direction and provided with a plurality of gas guiding holes, and a gas flow stirring device which is fixed to the deflector. The gas flow stirring device comprises a driving device, a stirring rod and at least one pair of blades, wherein the driving device is fixedly arranged on the side, close to the gas inlet part, of the deflector; the stirring rod is connected with the driving device, penetrates through the deflector and extends to the side, away from the gas inlet part, of the deflector; and the blades are fixed to the end, away from the gas inlet part, of the stirring rod. According to the motor vehicle tail gas catalytic purifying device, through the combined action of the deflector and the gas flow stirring device, internal gas flowing is more uniform, and the time for internal gas to flow through the catalyst carrier is prolonged, so that catalytic reaction is more sufficient, thus, the conversion efficiency of the catalytic device is effectively improved, and the utilization rate of the catalytic device is effectively increased.

The invention discloses a chemical reaction kettle for solid-liquid reaction, and particularly relates to the technical field of chemical equipment, the chemical reaction kettle comprises a kettle body, support legs are fixedly connected to two sides of the bottom end of the kettle body, a liquid outlet pipe is fixedly connected to the middle of the bottom end of the kettle body, and a water tank is fixedly connected to one side of the kettle body. The spraying mechanisms are arranged on the two sides of the interior of the kettle body, and a connecting base is fixedly connected to the top end of the kettle body. By arranging a material homogenizing plate, a feeding port, a fixed seat, a driving motor and a first connecting rotating shaft, when the reaction kettle is used, materials are poured in from the feeding port and enter the kettle body through the fixed seat, the driving motor is started, the driving motor drives the material homogenizing plate to rotate through the first connecting rotating shaft, and the material homogenizing plate is in a windmill shape and has the effect of uniformly conveying the materials; and the multiple sets of material uniformizing plates are arranged at equal intervals, the situation that too many materials are poured at a time, and a discharging opening formed in the bottom of the fixing base is blocked is avoided, and the use efficiency of equipment is improved.

The invention discloses an air pumping valve capable of preventing dust blockage. The air pumping valve capable of preventing the dust blockage comprises a pressing cap, a bolt, a movable rod, an air taking valve body, an ejecting rod and a rotation handle connected with the ejecting rod. The pressing cap is respectively connected with the bolt and the air taking valve, installation threads are arranged at the lower portion of the outer wall of the pressing cap, a bolt is provided with a through hole, the pressing cap is provided with an opening corresponding to the through hole, the movable rod is installed on the through hole and the opening and connected with the ejecting rod, a ventilation gap is arranged between the outer wall of the movable rod and the inner wall of the opening, the movable rod is provided with a flange, a first sealing ring is arranged between the flange and an inner cavity wall of the pressing cap, a spring is installed between the flange and the bolt, a ventilation groove is arranged on the movable rod, an air taking cavity communicated with an air taking pipe is arranged in the air taking valve body, and filter cotton is arranged at the lower end of the through hole. The air pumping valve capable of preventing the dust blockage is simple in structure, can prevent the dust from blocking a ventilation pipe through the filter cotton, enables the filter cotton to drop through the movable rod without damaging vacuum conditions after a sample is ground, and guarantees normal operation of air pumping.

The invention provides a broken fluff collecting device for a textile machine and belongs to the field of waste collection. The broken fluff collecting device for the textile machine comprises a loom,a loom gear, a first gear, a first shaft, a first synchronous wheel, a first synchronous belt, a first support, a first bearing, a second synchronous wheel, a second bearing, a second shaft, a coupling, an eccentric wheel, a second synchronous belt, a worm gear, a third bearing, a second support, a worm, a third support, a fourth bearing, a spring, a first bracket, a second bracket, a first collecting bracket, a third synchronous wheel, a loom bracket, an air suction pipe, a collecting box, a waste collecting barrel, a second collecting bracket, a first optical shaft, a second optical shaft,a third shaft, a liquid conveying pipe, a suction fan, a fifth bearing, a sixth bearing and seventh bearings. The loom gear on the loom is directly utilized as a power source of the device, the utilization rate of energy is increased, and by means of the characteristic that the eccentric wheel and the conveying belts drive the collecting brackets to swing, the fluff absorption range of the deviceis expanded.

The invention relates to an emergency valve which comprises a valve shell, an exhaust channel is formed in the valve shell, a main valve port is provided with a main valve element for controlling the opening section of the main valve port, the main valve element divides the exhaust channel into a high-pressure cavity communicated with a brake pipe, and the high-pressure cavity is communicated with an emergency chamber through a communication channel; the emergency chamber is provided with an exhaust valve capable of achieving communication and disconnection between an inner cavity of the emergency chamber and the atmosphere, a center rod of a piston assembly of the emergency valve is communicated with the exhaust valve when pushing the main valve element to be opened, so that the exhaust channel of the exhaust valve is communicated for exhausting, on the basis that high-pressure gas in the emergency chamber is exhausted into the high-pressure cavity through the communication channel, another discharge channel is provided for the high-pressure gas in the emergency chamber, so that the high-pressure gas in the emergency chamber can be discharged at a higher speed, and the emergency valve can be relieved to the initial state within a short time.

The invention provides a spray coating process for protecting a gas film hole of a gas turbine blade. The spray coating process comprises the following steps of protecting a tenon of the gas turbine blade; introducing air into the hollow gas turbine blade by an air compressor, and continuously spraying out gas from the gas film hole formed in the gas turbine blade; performing sand blasting treatment on the gas turbine blade; continuously introducing air to the gas turbine blade subjected to sand blasting, and then performing heating treatment on the treated gas turbine blade; and continuously introducing air into the hollow gas turbine blade by the air compressor, continuously spraying the gas out from the gas film hole formed in the gas turbine blade for spray coating; and after the spray coating is completed, performing drying and sintering treatment in sequence. According to the method, compressed air is sprayed out from the gas film hole of the gas turbine blade, and then sand blasting and spray coating are performed, so that the gas film hole is protected, and the occurrence of phenomena of blockage and shrinkage of the gas film hole is prevented.

The invention discloses a sand substance wriggling and moving collector used for measuring the number of wriggling and moving sand grains in the sand flow. The sand substance wriggling and moving collector is in a cylindrical shape, the circle center of the surface of a top cover is provided with a sand inlet hole, a dense screen is arranged above the sand inlet hole and welded to the top cover through a brazing wire, the surface of the top cover is covered with a sand substance layer, a sand collecting funnel is arranged on the lower portion inside the top cover, the sand collecting funnel is communicated with the sand inlet hole, the center of the cylinder is provided with a sand collecting barrel, the center of the sand collecting barrel is provided with a sand collecting bottle, the sand collecting bottle is communicated with the sand collecting funnel, and small sand leakage holes are formed in the sand collecting bottle at equal intervals. The top cover of the collector is coated with glue substances, the sand substances in the study area are evenly scattered to the top cover coated with the glue substances, the roughness of the top cover is consistent with the grain size of the sand substances on the surface of drift sand in the study area, the original friction coefficient of the ground and the sand substances is kept, and the accuracy of measuring the wriggling and moving amount under different wind powers can be guaranteed. The sand substance wriggling and moving collector is simple in structure, easy to install, and capable of carrying out sampling easily and being widely applied to studying and monitoring the blown sand physics, the forestry and various sand prevention and desertification control projects.

The invention discloses a curing system for lime disinfection equipment, and belongs to the technical field of disinfection equipment. According to the technical scheme, the curing system for the limedisinfection equipment comprises a cylinder body a stirring part which has the axis coincident with that of the cylinder body and penetrates through the bottom wall of the cylinder body, a cylindrical curing filtering cylinder arranged in the stirring part, a plurality of scraping plates slidingly matched with the inner side of the cylinder wall of the curing filtering cylinder and a driving mechanism arranged at the outer side of the bottom wall of the cylinder body. The curing system for the lime disinfection equipment has the advantages that the operation efficiency is high, the heat concentration is reduced, the splashing risk is low, silting is reduced, the uniformity is high, running is stable, and the energy consumption is low.

The invention provides an anti-blocking lighter flame trap that is capable of preventing impurities from going therein to block a lighter valve.

The invention discloses a heat interchanger used on a pickling line of a cold calender, and a filtering device of the heat interchanger which is acid resistant is arranged between an output pipeline of acid sludge and the bottom of a venturi pipe. The heat interchanger can effectively resolve the problem that a ferric oxide powder ingot blocks a circular pipeline and avoid the phenomenon of the machine halt of a machine set and the damage of a circular pump which consequently happen; simultaneously as the filtering device is only composed of a filtering core, and an umbrella-shaped element and a supporting part which are respectively arranged in the upper and the lower end of the filtering core, the structure of the invention is comparatively simple and the installation of the invention is very convenient.

The invention discloses a pH electrode, which comprises a glass casing, wherein the front end of the glass casing is provided with a pH sensitive film; the back end of the glass casing is connected with an electrode lead-out line interface; an inner reference electrode and an outer reference electrode are arranged in the glass casing; one end of the inner reference electrode is connected with the pH sensitive film, and the other end is connected with an electrode lead-out wire interface; the outer reference electrode and the inner reference electrode are in parallel arrangement; an electrolyte cavity and an extending section are arranged on the glass casing; outer reference electrolyte is filled in the electrolyte cavity; the electrolyte cavity nears the back end of the glass casing; the extending section is positioned between the electrolyte cavity and the pH sensitive film; the length of the extending section is greater than the length of the electrolyte cavity. An electrolyte supplementing opening is formed in the glass casing. The pH electrode has the advantages that the structure is simple; the preparation is easy; the signal output shielding is effectively improved; the influence of external static electricity on the calibration result is improved.

The invention provides an anti-blocking device for a rainwater pipe and a using method. The device is arranged at a joint of a funnel and a rainwater pipe to prevent a plug from entering the inside ofthe rainwater pipe through a side wall elbow at the lower end of a parapet wall and the funnel. The anti-blocking device includes a net body. The net body is of a cylindrical shape, and the upper andlower ends of the net body are fixedly connected with a closed net respectively, the upper end of the side wall of the net body is fixedly connected with a snap ring in a circumferential direction, and the snap ring is annular, and the snap ring is enabled at the bottom of the funnel. The anti-blocking device has the advantages of simple structure, convenient operation and convenient cleaning, effectively blocks the garbage, and solves the problem that the garbage can easily fall into the current rainwater pipe and cause blockage.

The invention discloses an anti-blocking lighter flame hood with an asbestos screen. Impurities can be prevented from entering the flame hood and blocking an air valve of a lighter.

The invention discloses a communicating type seasonal river course irrigation water supplementing well which comprises a high-permeability layer, a plurality of vertical well pipes and a sieve pipe. The vertical well pipes are connected through the sieve pipe, so that water is taken nearby for irrigation through the different vertical well pipes. Through the communicating type seasonal river course irrigation water supplementing well, underground water supplements a water source in a non-flood season so that farmland irrigation can be ensured, and water resources supplement underground water in a wet season so that irrigation water in the non-flood season can be ensured and no surface land cannot occupied.