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 provides a novel automatic screw feeding device. The novel automatic screw feeding device comprises a hopper, and a hopper upper cover arranged above the hopper, wherein a rotatable filter plate is arranged in the upper opening of the hopper; the filter plate is provided with a plurality of circular holes; rotatable circular baffle plates are arranged inside the filter plate; the inner diameters of the circular baffle plates are greater than the inner diameters of the circular holes; the bottom of the hopper is connected with a vibrating motor and a damped rotation type level gage respectively; the lower opening of the hopper is connected with a screw charging device; the screw charging device comprises a speed reducing motor, a screw rod and a discharging guide sleeve which are connected in sequence. The novel automatic screw feeding device has the beneficial effects that operation is simple and convenient through PLC (Programmable Logic Controller) automatic control; by arranging the filter plate, the falling speed of medical powder is controlled, and large blocks of medical powder are prevented from entering the hopper; by arranging the vibrating motor, the medical powder is prevented from coagulating; by arranging the damped rotation type level gage, the medical powder amount can be detected and controlled.

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 functional cosmetic additive, which comprises 3 to 5 portions of Chinese goldthread, 5 to 10 portions of radix scutellariae, 3 to 8 portions of phellodendron, 2 to 8 portions of rhobarb, 2.5 to 7.5 portions of cirsium japonicum, 2.5 to 7.5 portions of field thistle, 5 to 10 portions of vietnamese sophora root, 3 to 8 portions of Chinese soapberry, 3 to 6 portions of natural indigo refined by water, 2 to 5 portions of field mint and 0.5 to 1.5 portions of borneol; which are preliminarily crushed and mixed by the water, and are processed by a superfine grinding at high pressure into micron size, then filtered by a membrane, so as to get the additive. A prescription of the additive is made according to the rational compatibility of the characteristic of traditional Chinese medicine, which can be used for treating comprehensively a symptom of a skin allergy and fester caused by various reasons, and has good effects of antianaphylaxis and antiphlogosis. During the preparation course, the advanced technologies such as the superfine grinding and the membrane filtration are adopted simultaneously, which effectively prevents macromolecule material blocking the pore of the skin such as dust and bacterium, etc., from entering into the additive; therefore the additive is not capable of blocking the pore when in use within a cosmetic, which leads the cell of the skin normally breath and absorb nutriment substance without producing side effect, and has the good effect of the antianaphylaxis.

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 environmentally-friendly dust removing apparatus for workshop production. The environmentally-friendly dust removing apparatus comprises a base, wherein the outer wall of the top portion of the base is provided with universal wheels, an apparatus shell is welded on the outer wall of the top portion of the base, the outer wall of the top portion of the apparatus shell isprovided with a gas permeation hole and a threaded groove, the inner wall of the threaded groove is connected to a dust sucking pipe through threads, a dust sucking cover is welded on the outer wall of the bottom portion of the dust sucking pipe, the outer wall of the bottom portion of the dust sucking cover is provided with a first filtering screen, the inner wall of the bottom portion of the apparatus shell is provided with a separation plate, a connecting pipe is welded on the outer wall of one side of the separation plate, and the outer wall of the bottom portion of the connecting plate isconnected to a flange through threads. According to the present invention, with the environmentally-friendly dust removing apparatus, the collected dust can be discharged at one time so as to achievegood dust removal effect, the iron chips in the dust can be effectively recovered so as to avoid the waste and achieve energy saving and environmental protection, the whole workshop can be disinfected, and the floating dust floating in the workshop can be cleared so as to achieve a certain dust reduction effect.

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 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 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 drainage channel for road construction, and relates to the field of road construction. The drainage tank for road construction comprises a tank body, sealing plates are fixedly installed at the front end and the rear end of the tank body and seal the front end and the rear end of the tank body, three water through holes are formed in the bottom of each sealing plate, supports are arranged at the front end and the rear end of each sealing plate, and the sealing plates and the supports are fixed through nuts. A frame is arranged above the groove body, the left end and the right end of the bottom of the frame are in sliding connection with the left side and the right side of the upper end of the groove body respectively, and the front end and the rear end of the frame are limited by the two sealing plates. According to the drainage tank for road construction, by arranging the tank body, the water permeable column, the first isolation plate, the second isolation plate and the like, the effects of collecting rainwater and preventing a large amount of silt from entering can be achieved, and the problems that in the prior art, rainwater cannot be well collected, silt is difficult to block even if a water collecting device is adopted, and then blockage is caused are solved.

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 provides a combined drainage device for steel ladle casting and relates to a drainage device for starting casting from a ladle nozzle. The combined drainage device is characterized in that a drainage plug comprises an upper sand cylinder, a lower sand cylinder, a fastening lath and an underneath drainage sand bag, wherein the upper sand cylinder is a round cylinder, and the diameter of the upper sand cylinder is larger than that of an upper opening of a nozzle; the lower sand cylinder is a cone-shaped basin, the diameter of the upper end of the lower sand cylinder is equal to the inner diameter of the upper opening of the nozzle, the lower sand cylinder is matched with a cone-shaped body of the nozzle, the diameters of flat sides of edge holes of the lower sand cylinder and the upper sand cylinder are the same, the upper sand cylinder is fixed on the lower sand cylinder, and drainage sand is arranged in the upper sand cylinder; the fastening lath is arranged at the lower part of the lower sand cylinder, the underneath drainage sand bag is filled into a cavity formed by the surrounding of the fastening lath, and the fastening lath is extruded to the inner wall of the nozzle. The combined drainage device has the advantages that the conception is novel, the manufacturing process is easy, and the manufacturing cost is low; the drainage sand is arranged in the underneath drainage sand bag and a cylinder formed by the upper sand cylinder and the lower sand cylinder, respectively, the mass transfer is little, and the combined drainage device is light, convenient and flexible; the drainage sand is filled into the nozzle, so that the molten steel is prevented from being solidified, the casting is benefited, the loss caused when the casting cannot be carried out is reduced, and the steel-making production is benefited.

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 preparation method of a molecular sieve membrane, which comprises the following steps: carrying out cyclodextrin modification on a roasted ZSM-5 molecular sieve membrane, andcontinuing to synthesize a NaA molecular sieve layer on the roasted ZSM-5 molecular sieve membrane. According to the method, the separation effect of ZSM-5 containing defect holes can be improved, and the hydrophilicity of the whole molecular sieve membrane is improved under the action of the hydrophilic NaA molecular sieve layer, so that the water capacity is integrally improved.

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 swimming pool safe water drainage device capable of preventing a person from being adsorbed during water drainage. The swimming pool safe water drainage device comprises a swimming pool inner wall (11); the swimming pool safe water drainage device is pre-arranged at the joint of the side wall and the bottom of the swimming pool; a drainage channel (15) is arranged between the swimming pool inner wall (11) and the swimming pool bottom (30); the swimming pool safe water drainage device is symmetrically distributed relative to a boundary position symmetry axis between the swimming pool bottom (30) and the swimming pool inner wall (11); the swimming pool bottom (30) and the swimming pool inner wall (11) are hinged to two intercepting rods (12) respectively; a rotating valve is fixedly connected between the swimming pool bottom (30) and the swimming pool inner wall (11); a triggering device is further arranged in the swimming pool bottom (30); and a water outlet of the swimming pool is pre-arranged at the junction of the inner wall and the bottom, and a protection device is triggered through sudden drop of water pressure in the swimming pool during centralized drainage, so that large foreign matters such as swimming rings, swimming suits and water toys and the like are prevented from entering the drainage channel to cause blockage, and safety accidents caused by human body inhalation can be prevented.

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.

The invention discloses a functional cosmetic additive, which comprises 3-5 parts of Coptis chinensis, 5-10 parts of Scutellaria baicalensis, 3-8 parts of Cortex Phellodendri, 2.5-7.5 parts of Dahuang, 2.5-7.5 parts of large thistle, 2.5-7.5 parts of small thistle, 5-5 parts of Shandougen 10. Mu Han Guo 3-8, water-flying Qingdai 3-6, peppermint 2-5, borneol 0.5-1.5 After preliminary crushing, mix with water, then ultra-finely pulverize to micron size under high pressure, and then pass Produced by membrane filtration. The entire prescription of additives is reasonably compatible according to the characteristics of traditional Chinese medicine, which can comprehensively treat the symptoms of skin allergies and ulcers caused by various reasons, and has good anti-allergic and anti-inflammatory effects. At the same time, in the preparation process, advanced ultra-fine grinding and membrane filtration technology are used to effectively prevent macromolecular substances such as dust and bacteria that can block the pores of skin cells from entering the additive, so the additive will not be gambled when it is added to cosmetics. Plugging pores can ensure that skin cells can breathe and absorb nutrients normally, without negative effects, and has a good anti-allergic effect.