109results about How to "Widely available" patented technology

The invention relates to chopstick spray-paint equipment, which comprises a rack, a spray-paint box, a conveyer belt and a chopstick dish, wherein the spray-paint box is arranged on the rack, and the conveyer belt penetrates through the spray-paint box; the chopstick dish is arranged on the conveyer belt; and inserting holes for fixing chopsticks are arranged on the chopstick dish. An electric cabinet for electrically controlling the chopstick spray-paint equipment is also arranged on the spray-paint equipment. The spray-paint box is provided with a front door A and a back door A along the conveying direction of the conveyer belt, and a spray gun for spraying paint is arranged in the spray-paint box. The degree of automation is high, and the chopstick spray-paint equipment replaces manually pulling paint operation and the long-time drying process. The chopstick spray-paint equipment is also provided with a drying box, so that the carrying back and forth among each working procedure and drying and putting area in the paint spraying and drying processes are saved, the labor strength is reduced, the manpower resource is greatly saved, the production rate is increased, the length of a chopstick mold is shortened, and the use ratio of raw materials of chopsticks is increased. Benzene volatile matters and others in the equipment are effectively removed. The spray-paint equipment has simple operation, compact structure and wide practical meaning and marketable value.

The present invention discloses a hollow hard capsule and its preparation method. It is made up by adopting prolanpolysaccharide as main body material and adding gelling agent, coagulant aids, surfactant and humectant through a certain preparation process. Said invention also provides the concrete steps of its preparation method.

High-mobility vertical trench DMOSFETs and methods for manufacturing are disclosed. A source region, a drain region or a channel region of a high-mobility vertical trench DMOSFET may comprise silicon germanium (SiGe) that increases the mobility of the charge carriers in the channel region. In some embodiments the channel region may be strained to increase channel charge carriers mobility.

This invention relates to a phone with CCD camera to input video data to computer. Procedures are that state signal of the phone connecting to the computer is selected USB CCD camera mode in selected mode. Video image from the phone is created into video signal, and then the video signal is compacted of motion jpeg type and converted into data package that accord with corresponding transmission protocol, and then transmitted to the computer. The phone with CCD camera can be used as the computerí»s video camera when it is connected to the computer, and the basic call function is maintained. It is plug and play type, and can save userí»s cost.

The present invention provides a composition containing fine particles of a hardly-soluble drug which is stable and is not affected by storage environment conditions, as well as a manufacturing method therefor. The present invention provides a fine particle-containing composition containing fine particles of the hardly-soluble drug, a surfactant and a cyclic oligosaccharide, wherein an average particle size of the fine particles is at least 50 nm but not more than 1000 nm. The present invention also provides a method for manufacturing a fine particle-containing composition, comprising (I) a mixing step in which the hardly-soluble drug, the surfactant and a poor solvent are mixed to obtain a liquid mixture, (II) a pulverization step in which the liquid mixture is pulverized with a wet disperser to obtain a dispersion of fine particles, (III) an addition step in which the cyclic oligosaccharide is added to the dispersion of fine particles, and (IV) a drying step in which the dispersion of fine particles containing the cyclic oligosaccharide is dried.

The invention discloses a helicopter taking off and landing vertically and flying horizontally and application thereof. The helicopter comprises a fuselage, rotor mechanisms, wing mechanisms, an undercarriage device, a power mechanism, a control mechanism and a transmission mechanism. The fuselage comprises a nose, a fuselage middle part and a tail. The rotor mechanisms comprise double rotating rotor mechanisms. Rotary double-rotor mechanisms are longitudinally arranged on the fuselage. The multiple wing mechanisms are perpendicularly arranged on the two sides of the fuselage middle part. As both the double rotating rotor mechanisms and the rotary double-rotor mechanisms are designed, both vertical taking-off and landing and rapid horizontal flying are achieved; as the rotor mechanisms are installed on the nose and the tail of the fuselage of the helicopter respectively and can rotate front and back around the center axis of the fuselage, the range of the helicopter is 5-6 times larger than that of an existing helicopter, flight safety is ensured, production and operation cost is reduced, the design can be applied to various aircrafts, and the significant technical effects of a large range, a high flight speed, a high safety coefficient and control easiness of the helicopter can be achieved.

The invention relates to a method for increasing the extracting and drilling stability of a low-permeability soft coal seam. The method comprises the following steps of (1) sleeving the outer side ofa drill pipe with a telescopic trailing sleeve; (2) deeply drilling into the coal seam; (3) withdrawing the drill pipe and the telescopic trailing sleeve from a drilling cavity after drilling into thespecified depth; (4) putting an anti-collapse pipe in the drilling cavity to the bottom of the drilling cavity; (5) respectively fixing two flexible air bags to both ends of a hole sealing pipe, andconnecting the two flexible air bags through a ventilating pipe; (6) respectively fixing a grouting hose and a return hose to the upper and lower ends of the flexible air bag which is close to the drilling cavity; (7) sleeving the anti-collapse pipe with the hole sealing pipe, and inflating the two flexible air bags, so that the two flexible air bags are tightly abutted with the inner wall of thedrilling cavity; (8) grouting the sealed space between the two flexible air bags; and (9) removing a grouting device after grouting is completed, and tightening the grouting hose and the return hose.According to the method, the extracting and drilling stability is guaranteed, so that the problems of the low hole forming rate and the poor hole sealing effect of the soft coal seam are solved.

The invention discloses a polullan polysaccharide empty hard capsule and a preparation method thereof. The preparation method comprises the following steps: mainly adopting polullan polysaccharide, gel agent, plasticizer, emulsifying agent, latent solvent, water, and the like as raw materials; stirring and dissolving the raw materials in a heating-stirring tank which is vacuumized, heating to form glue, filtering, conveying glue solution into a capsule making machine for making a capsule and finally obtaining the polullan polysaccharide empty hard capsule. The empty hard capsule has the advantages of good quality stability, uneasy friability, stable breakdown index, difficult hydrolysis, no misty and yellowing appearance on the surface while in long-term deposition and can hold solids, oily liquid, semisolids and pasty materials; especially, as the water content of the capsule is lower than that of a gelatine capsule, the capsule is more suitable for being filled with moisture-absorption medicines and aldehydes-containing medicines and has wide market prospect and practical value.

Disclosed is a method of restoring a client device following failure of the client device, the client being connectable to a network comprising a server device. The method comprises saving to the server device a configuration state of the client device, the saved configuration state comprising client network interface configuration information, and a file of the client device. The method further comprises, following failure of the client computer, recording on a medium bootable on the client device program instructions for configuring the client device according to the saved configuration state, booting the client device from the bootable medium, configuring a network interface of the client device in accordance with the program instructions and the saved configuration state and restoring the file to the client device by copying over the network.

The invention provides a low cost method for rapid preparation of laminated structure graphene powder from a graphene suspension liquid. The method combines the advantages of freeze drying and conventional filtering methods for treatment of a graphene solution. The method includes: first freezing the graphene suspension liquid into a frozen block, then unfreezing the frozen block to regain the suspension liquid, finally filtering the suspension liquid to obtain a flocculent graphene filter cake, and then performing a conventional drying treatment, thus obtaining the fluffy flocculent graphene powder. Compared with the existing freeze drying method, the method also can maintain the micro-appearance of a graphene sample. And as freeze drying equipment is not adopted for drying, the preparation cost can be greatly reduced, the energy consumption is reduced, and the preparation efficiency is improved, so that the method provided in the invention has extensive practical value and industrial prospects.

A method for reducing the incidence of urinary tract infection in a patient having an indwelling catheter, through the use of a weak acidic solution to treat the catheter drainage bag used by the patient. More particularly, the method decreases catheter-associated bacteriuria in a catheterized patient by the steps of instilling a sterile acetic acid solution (e.g., distilled vinegar) into the catheter drainage bag, dispersing the solution in the bag, and then draining the solution from the bag prior to resuming flow of urine from the patient into the bag.

The invention discloses an umbrella-shaped detent hanger. An umbrella framework structure is used for reference, elastic rope yarns or springs are mounted to make surface frames have the unfolding trend, and a hanging fixed pulley is further arranged at the lower end of the structure. When the umbrella-shaped detent hanger is matched with a charging long bag for charging an upward or horizontal or downward gently inclined deep blind hole with the enlarged hole bottom, the umbrella-shaped detent hanger is clamped at the hole bottom, the charging long bag is dragged into the blast hole through a rope winds around the fixed pulley, breakage and deformation of a blasting charge can be avoided, accurate spacing charging and non-coupling charging are achieved, and the problems of charging and blockage of upward or horizontal or downward gently inclined deep blind holes are solved. The umbrella-shaped detent hanger is simple in structure and wide in available material source, and mass industrial production and usage are easy. The construction method provided by the invention is wide in application range and can be widely used for projects of demolition blasting, soil and rock blasting, controlled blasting and mine blasting, and the technical scheme with the high cost performance is provided for deep hole charging.

The invention discloses a video-ranging offshore platform crane heave compensation control system and method. The video-ranging offshore platform crane heave compensation control system comprises a control computer, an industrial camera and a direct-pump-controlled electrical-hydraulic heave compensation device, wherein the industrial camera as well as a servo motor driver, a rotating speed sensor, three pressure sensors and a built-in displacement sensor in the direct-pump-controlled electrical-hydraulic heave compensation device are respectively electrically connected with the control computer to carry out information and energy exchange; and the industrial camera and the direct-pump-controlled electrical-hydraulic heave compensation device are respectively arranged on an offshore platform crane base. Three-dimensional location information of a ship is detected through a video ranging method and is transmitted to the control computer to control the direct-pump-controlled electrical-hydraulic heave compensation device, and furthermore the intelligent heave motion compensation of an offshore platform crane is carried out; and the crane is not influenced by the heave motion of a ship body, a load is lifted to leave away from and be stably descended to a deck of a supply ship, and furthermore the intelligent heavy motion compensation realized through lifting and descending of the crane is carried out.

The invention provides a preparation method and application of a carbonized rice hull powder particle control and flooding agent. The preparation method comprises the following steps: (1) weighing a certain amount of rice hull and putting the rice hull into a carbonization tank; (2) putting the carbonization tank into a constant-temperature curing box, adjusting heating temperature to 200-270 DEG C, and carrying out carbonization treatment on the rice hull at the constant temperature for 2-3 h; and (3) taking out the carbonized rice hull, cooling the rice hull and finally crushing and screening so as to obtain the carbonized rice hull powder particle control and flooding agent. According to the preparation method of the carbonized rice hull powder particle control and flooding agent, rice hull is commercially available in quantity, and the carbonization processing is simple and easy to operate. The preparation method belongs to refuse reclamation and is low-cost. In comparison with other control and flooding agents, the prepared carbonized rice hull powder particle control and flooding agent is nontoxic and harmless and is green and environment-friendly. After the carbonized rice hull powder particle control and flooding agent is blended with an aqueous solution of partially hydrolyzed polyacrylamide polymers according to a certain mass ratio, the profile control plugging rate of deep-bed formation large-pores can reach 90% and above.

The invention discloses an automatic egg cell capturing and culturing device. The automatic egg cell capturing and culturing device comprises a culture solution supply mechanism which is arranged on a bracket and is linked by an electric motor, wherein the culture solution supply mechanism is connected with the motor through the bracket; the electric motor is connected with a rotary wheel disc connected by a bearing; injectors which penetrate through the disc surface are annularly and uniformly distributed on the rotary wheel disc; a cell capturing mechanism is arranged below the culture solution supply mechanism and comprises a base formed by a rectangular frame; a double-layer hole film embedded on the base is arranged on an enclosure of the rectangular frame; a waste liquid removal mechanism is arranged below the cell capturing mechanism and comprises a flask connected to the lower side of a three-neck container; a control mechanism comprises a control board which is respectively connected with a micro pump, the electric motor and a motor through wires. According to the device, batch capture of egg cells and liquid transfer culture automation are realized, and a technical scheme which is low in cost and easy to operate is provided for realizing in-vitro culture of egg cells, fertilization and early culture of embryos.

The invention relates to a medical test tube rack which comprises a locating plate, locating pipes and clamping parts. An annular groove is formed in the outer side wall of each locating pipe, and long-strip-shaped strip clamping holes are vertically and symmetrically formed in the portion, below each groove, of the side wall; each clamping part is provided with a circular buckle matched with the corresponding groove, strip clamping buckles which correspond to the strip clamping holes and are used for clamping test tubes are arranged on the circular buckles, the tail ends of the strip clamping buckles are folded inwards and can clamp the test tubes, and the strip clamping buckles are provided with sawtooth-shaped protrusions. According to the medical test tube rack, by means of exquisite design of the locating pipes and the clamping parts, the clamping parts are provided with the strip clamping buckles corresponding to the strip clamping holes of the locating pipes, and the strip clamping buckles are provided with the sawtooth-shaped protrusions; by means of the flexible connection mode of the clamping parts and the locating pipes, clamping force to the test tubes can be guaranteed, the cost is low, replacement of the clamping parts is convenient, the application range is wide, and wide popularization significance is achieved.

The invention discloses a method for calculating temperature field distribution of a sleeve with an inserting and connecting structure. The method includes the steps: S1 building a finite element model of the sleeve with the inserting and connecting structure, and dividing a body grid and a surface grid; S2 calculating contact resistance in the inserting and connecting structure, and inverting volume resistivity of the inserting and connecting structure; S3 calculating overall heating power of a guide rod and local heating power of the inserting and connecting structure; S4 calculating bulk temperature distribution of the sleeve, correcting an initial value of the resistivity in the step S2 according to a calculation result, performing repeated iteration, and repeating the step S2-S4 untila difference value of measuring points in two adjacent resistivity calculation results is smaller than a preset value. The method comprehensively considers different heat transfer modes in the sleeve, skin effect of current in the guide rod, contact resistance among joint positions of center conducting rods, watch strap touching fingers and guide rods, overall heat field distribution of sleeves with different connecting structures can be calculated, a heat designing cycle in the designing process of the sleeve is effectively shortened, and the designing cost of the in the designing process ofthe sleeve is effectively reduced.

The invention relates to dispersions of porous solids in liquids selected from deep eutectic solvents, liquid oligomers, bulky liquids, liquid polymers, silicone oils, halogenated oils, paraffin oils or triglyceride oils, as well as to their methods of preparation. In embodiments of the invention, the porous solids are metal organic framework materials (MOFs), zeolites, covalent organic frameworks (COFs), porous inorganic materials, Mobil Compositions of Matter (MCMs) or a porous carbon. The invention also relates to the use of porous materials to form dispersions, and to assemblages of such dispersions with a gas or gases. The dispersions can exhibit high gas capacities and selectivities.

The invention discloses a device capable of improving the traffic safety and the traffic efficiency, and belongs to the technical field of intelligent traffic. The device capable of improving the traffic safety and the traffic efficiency comprises a vehicle module; and the vehicle module comprises a DSRC module, a data processing module and a human-computer interaction interface, wherein the DSRCmodule is electrically connected with the data processing module, the data processing module is electrically connected with the human-computer interaction interface, and a DSRC module of road side equipment and DSRC modules of surrounding vehicles are electrically connected to the DSRC module. According to the device capable of improving the traffic safety and the traffic efficiency, not only is three-network fusion of an in-vehicle network (for achieving interconnection between a vehicle and a CAN), an out-vehicle network (for achieving interconnection between vehicles and between the vehicleand the road side equipment) and a vehicle cloud network (for achieving interconnection between the vehicle and other cloud platforms) achieved, but also the driving safety and intelligence are improved by processing and analyzing acquired data, the travel efficiency is greatly improved, and the wide social benefit and practical engineering value are achieved.

The present invention provides a data structure which does recording uniformly to the two-dimension or three-dimension pattern with a same form, a data structure with little data volume and excellent processing efficiency and a program that executes reading-and-writing to the data structure at the state that the computer is used for executing the graphic processing. The data structure is a facility which is used for recording the data of the processed pattern in the computer memory at the state that the computer is used for processing two-dimension or three-dimension graphic, wherein at the state that the point P has the abutting points Q, R, S, ... which are linked with a line, the data of the point includes the following components: (1) the address of the area where the data of the point P is recorded; (2) a pointer of the address which is recorded on the data area of the point P in sequence according to a regulation determined beforehand and points the area where the respective point data of a plurality of abutting points Q, R, S ... abutting to a same point P are recorded.

The invention belongs to the field of biomedical materials, and relates to a composite ceramic scaffold and a preparation method thereof, in particular to preparation of a multi-layer membrane modified porous two-phase ceramic scaffold and application of the multi-layer membrane modified porous two-phase ceramic scaffold as a bone defect repair material. The preparation method of the composite ceramic scaffold comprises the following steps that the porous ceramic scaffold is soaked in a solution A, a washing solution C, a solution B and a washing solution D in sequence to obtain a double-layermembrane, the above step is repeated to obtain a plurality of double-layer membranes at least once, the double-layer membranes are soaked in an aqueous solution of a cross-linking agent for cross-linking for 30 minutes to 24 hours, and the membranes are fully cleaned in a cleaning solution to obtain the cross-linked composite ceramic scaffold. By means of the enrichment and riveting functions ofthe multi-layer membranes of the composite ceramic scaffold, medicines act on wounds in situ, osteogenesis differentiation of stem cells is promoted, and the composite ceramic scaffold has a great promotion effect on bone regeneration of osteoporosis patients.

The invention relates to a natural vegetable fiber reinforced geopolymer composite material and a preparation method thereof, belonging to the field of ornamental molding and environmental-friendly materials. The composite ornamental molding material comprises the following materials according to weight percentage, 30 to 70 percent of low-temperature calcination kaolinite clay grain diameter of which is 200 meshes, 5 to 40 percent of waste flax ultrashort fiber, 0 to 30 percent of fly ash of power plants or 0 to 30 percent of carbide slag degree of fineness of which is 150 meshes, 5 to 10 percent of booster, 4 to 5 percent of accelerant, NaHO water solution, hardener concentration of which is 12 percent, and 0 to 1 percent of paint, wherein the accelerant is industrial sodium silicate; and modulus M equals to 3.3. The composite ornamental molding material can replace the traditional ornamental molding materials like plaster, cement and clay, is suitable for manufacturing such products as ashlar artwork, embossed wall bricks, sculptures, floor bricks, and the like for architectural ornaments, and has low cost and better performance than traditional materials.

The invention provides an engineering rock mass mechanical parameter rapid automatic measuring device which is carried on TBM equipment and comprises a penetrometer, a real-time positioning sensing system, a displayer, a hydraulic loading system and a control system. The penetrometer comprises a conical pressure head, a jack, a bearing base, a pressure sensor and a displacement sensor. The penetrometer is in contact with a rock wall through the conical pressure head, and pressure and displacement data in the loading process are obtained through the pressure sensor and the displacement sensor.The penetrometer is connected to the hydraulic loading system to provide loading hydraulic pressure; and the penetrometer, the real-time positioning sensing system, the displayer and the hydraulic loading system are connected to the control system. Automatic testing can be achieved, the load-displacement information of the TBM tunnel surrounding rock can be rapidly and automatically measured and converted into rock mass mechanical parameters, rock mass characteristics within a certain range in front of the TBM tunnel face are predicted accordingly, and a theoretical basis is provided for tunnel supporting.

The invention discloses a preparation method of whole potato starch. The preparation method comprises the following steps: washing, peeling, dicing potatoes; carrying out color protection in deoxygenated water, wherein the temperature of the deoxygenated water is 17 DEG C to 21 DEG C and the color protection time is 20min to 30min; controlling the moisture for 30s to 90s and drying by a heat pump, wherein the temperature of a drying oven of the heat pump is 40 DEG C to 65 DEG C and the humidity is 20 percent to 45 percent; drying until the moisture content of the potato dices is 5 percent to 15 percent; crushing, sieving and packaging to obtain a whole potato starch finished product. According to the method disclosed by the invention, conditions that the colors of the potatoes are not uniform and become brown, caused by the fact that the temperature is high or the humidity elimination is not uniform when the potatoes are dried, are effectively avoided; compared with freezing and drying, more cost can be saved; the prepared whole potato starch finished product has uniform color and low moisture content; nutrient components are richer than that of other whole starch; the loss of other temperature-sensitive nutrient substances and water-soluble nutrient substances, such as vitamin C, is small and the drying effect is better than the quality of hot air-dried products.

The invention discloses a tunnel construction method for a side span non-filling type long and narrow shallow-bottom karst cave section, and relates to the field of underground engineering. The invention aims to provide a construction method for the side span karst cave section of a tunnel under the specific geological condition of a non-filling type long and narrow shallow-bottom karst cave. According to the technical scheme, the tunnel construction method for the side span non-filling type long and narrow shallow-bottom karst cave section comprises the steps that a karst cave cavity in the lower portion of a tunnel excavation face is backfilled with cave slag, a karst cave opening is reinforced after danger is eliminated, a tunnel arch outside the karst cave cavity is subjected to advance support, tunnel excavation is conducted in a segmented circulating excavation mode, steel frames are erected along the tunnel arch and the whole section of a side wall, the tunnel arch and the sidewall are supported through anchor rods of a construction system, surrounding rock around the karst cave wall at the bottom of the tunnel is reinforced, a reinforced concrete slab at the bottom of thetunnel is constructed, a karst cave drainage pipe is constructed, the tunnel side karst cave is backfilled with concrete, and finally a tunnel secondary reinforced concrete lining and a road surface are constructed. The tunnel construction method is suitable for the design and construction of the side span non-filling type long and narrow shallow-bottom karst cave section.

The present invention discloses a pure traditional Chinese medicinal black-bone chicken feed additive and a preparation method and an application thereof. The black-bone chicken feed additive comprises 70-130 parts of Chinese wolfberry fruits, 120-180 parts of Chinese yams, 80-120 parts of black beans, 130-170 parts of ryes, 30-80 parts of radix scrophulariae, 40-80 parts of black sesame seeds, 70-130 parts of radix aconiti kusnezoffii, 30-80 parts of radix rehmanniae preparata, 40-60 parts of radix astragali, 20-50 parts of seabuckthorn seeds and 120-180 parts of black rice. By being fed by the provided pure traditional Chinese medicinal black-bone chicken feed additive, the black-bone chickens have a survival rate up to 99%, a skin melanin content up to 0.47%, a muscle melanin content up to 0.41% and a liver melanin content up to 0.33%. The feed additive can enhance the immunity of the black-bone chickens, disease resistance and adaptability, improves the survival rate of the black-bone chickens, and has a wide range of practicability and development value for feed industries.

An earth plant-based compostable biodegradable composition for the formation of a bioplastic and method of producing said resin, the composition comprising: about 17.5 to 45% ethanol-based green polyethylene by weight, about 20 to 25% calcium carbonate by weight, about 2 to 12% hemp hurd or soy protein by weight, about 32 to 45% thermoplastic starch by weight, and about 0.5 to 1% biodegradation additive by weight to enable biodegradation and composting of the bioplastic; wherein the composition is produced by first mill grinding the ethanol-based green polyethylene, calcium carbonate, hemp hurd or soy protein, thermoplastic starch and the biodegradation additive into fine powders, then mechanically mixing the fine powders one by one into a final mixture for about 5-25 minutes at a time, dry and without heat, and then heating the final mixture to about 220- to 360-degrees Fahrenheit.

The invention relates to a Chinese medicinal material slicing device which comprises a transverse pushing path and is characterized in that a driving push plate is arranged at one end of the path and grating blades are arranged at the other end of the path; upper ends and lower ends of the grating blades are respectively articulated with a machine body through hinge pin shafts; and torsional springs which are sleeved on the hinge pin shafts to reset the blades are arranged on the machine body. By the addition of the offset torsional springs on the blades, the Chinese medicinal material slicing device can prolong the service life of the cutting blades and effectively solve the problem of difficulty of material falling and side bending of the blades as slices of Chinese medicinal materials and melon and fruit are clamped between two blades in the cutting process. Moreover, the device has the advantages of simple structure, convenience for operation, safety and sanitation in production as well as wide practical significance and market value.

The invention provides a distance and angle error automatic compensation method for a thermal imaging temperature measurement system, and the method comprises the steps: determining the abscissa, ordinate and polar coordinate of a measured target temperature measurement point in an image coordinate system according to an infrared thermal imaging image obtained by a thermal imager; combining the thermal imager installation height, the focus distance, the thermal imager lens focal length and the human body average height value, and calculating the distance value and the deflection angle value ofthe measured target through the geometrical relationship; and multiplying the originally measured temperature value by the corresponding calibration value by using a distance error calibration curvepre-stored in the thermal imager to obtain a product which is a compensated temperature value. The distance and angle error compensation method provided by the invention does not need to additionallyadd any hardware equipment, does not need additional acquisition action, can automatically adapt to the distance and deflection angle change of the measured target, has zero investment and zero lag, has extremely high cost performance, and has wider practicability and universality.

The invention provides an anti-blocking and purifying device for a sewer pipe of a kitchen sink and relates to an anti-blocking and purifying device. The anti-blocking and purifying device comprises a residue cleaning device, a sealed and heated cleaning switch, an instant heating device and a cleaning liquid spraying device; the residue cleaning device is mounted in the to-be-purified sewer pipe; the sealed and heated cleaning switch is mounted at the lower end of the to-be-purified sewer pipe; the cleaning liquid spraying device is mounted on one side of the lower end of the to-be-purified sewer pipe, and a spray nozzle of the cleaning liquid spraying device is communicated with an inner cavity of the to-be-purified sewer pipe; the instant heating device is connected between the to-be-purified sewer pipe and a purified sewer pipe; the output end of the sealed and heated cleaning switch is respectively connected with the input ends of the instant heating device and the cleaning liquid spraying device. The anti-blocking and purifying device provided by the invention is simple and practical in structure, can effectively clean residues and oil stains in the sewer pipe, prevent the blockage of the sewer pipe and better prevent odor backflow, and has the characteristics of being small in cleaning difficulty, low in cleaning cost, high in efficiency and the like, thereby having extensive promotion significances and practical values.