36results about How to "Play a role in isolating" patented technology

The invention provides a high-impedance material which is composed of the following components by weight percent: 10 to 30 % of bonding resin, 20 to 50 % of an opacifier, 30 to 65 % of a solvent and 0.03 to 0.2 % of an adhesive modifier. The high-impedance material provided by the invention can be used for preparing a black matrix (BM) which can play a role of isolation. By applying the black matrix to a liquid crystal display apparatus, induced charges generated due to electric field change at electrode lead areas on both sides of a lower substrate are enabled to gather and bound at the edge of an upper-side BM area at the instant of power on, and do not diffuse and leak into an inner side, so that situations of white lines on both sides of ADS products can be thoroughly resolved.

The invention provides a heat-preservation heating riser and relates to the technical field of risers, aiming at solving the technical problems of how to ensure the heating intensity and buffer squeezing of molding sand at the same time. The heat-preservation heating riser is mounted on a positioning pin on the surface of a casting at an isolated hot spot, and is characterized by comprising a heat-preservation heating layer and an evanescent mode riser which has plasticity and is combusted to disappear; the heat-preservation heating layer is arranged around the evanescent mode riser in a compounding manner; the evanescent mode riser upward stretches out of the heat-preservation heating layer and covers the upper surface of the heat-preservation heating layer; a positioning hole is formed in the lower part of the evanescent mode riser; the positioning pin is partially inserted into the positioning hole and is in interference fit with the positioning hole; a gap is formed between the lower surface of the evanescent mode riser and the surface of the casting.

The invention provides a button cell packaging structure and a button cell. The button cell packaging structure comprises a shell, a top cover assembly and a negative electrode connecting assembly. The shell is provided with an installation cavity and a shell opening, and the installation cavity is communicated with the shell opening. The top cover assembly comprises a cover body, the cover body is welded to the shell so that the cover body can cover the opening of the shell, and a cover hole is formed in the cover body. The negative electrode connecting assembly comprises an insulating separator and a negative electrode contact piece, the insulating separator comprises an insulating spacer and an insulating protruding part, the insulating spacer is provided with a first through hole, theprotruding part is provided with a second through hole, the insulating spacer is connected with the insulating protruding part, and the first through hole is communicated with the second through hole.Due to the fact that the cover body and the shell are welded, the installation cavity is in a fully-closed state, compared with a traditional mechanical packaging mode, a mechanical packaging structure does not need to be additionally arranged, the installation cavity can be used for installing a battery cell with larger electric quantity, the power supply storage capacity of the button cell is effectively improved, and miniaturization development of the button cell is facilitated.

The invention relates to an oil pump cover which comprises a cover body, wherein the cover body is covered on an oil pump; the cover body and the oil pump enclose a cavity which is used for containing an oil pump chain wheel and an oil pump chain bypassing the oil pump chain wheel; and the junction of the cover body and the oil pump is provided with a seal. The cover of the invention is covered on the oil pump chain wheel and used for isolating the oil pump chain wheel from the engine oil in the drain pan; and when the engine operates, the cover can reduce the air content of the engine oil caused by collisions and frictions between the operating oil pump chain wheel and the engine oil in the drain pan, thereby ensuring the reliable operation of the engine. The seal is arranged between the cover body and the oil pump to further prevent the oil pump chain wheel rotating at high speed from stirring up a great amount of engine oil and bubbles in the drain pan, thereby reducing the air content of the engine oil and ensuring the normal operation of the engine.

The invention discloses a process method of spraying water paint on the surface of an active metal piece and belongs to the technical field of paint spraying. The process comprises the following steps: 1) pre-treating the surface of the workpiece to eliminate metal filing, sand and dust impurities on the surface of the active metal workpiece; 2) pouring the water paint into a paint cup of a spray gun, and after the paint cup is mounted on the spray gun body, connecting a hose of protective gas to the spray gun, and adjusting the pressure of the protective gas; 3) performing trial-spraying adjustment on the spray gun; 4) spraying the water paint to the surface of the active metal workpiece by means of the spray gun until reaching the thickness required by spraying; and 5) after spraying, quickly putting the active metal workpiece into a nitrogen drying box to be dried, continuously introducing nitrogen into the drying box and controlling the humidity value in the drying box, and taking out the workpiece after the water paint is hard dry. The invention provides the process of spraying the water paint to the surface of the active metal workpiece and avoids a phenomenon of quick corrosion on the surface of a metal workpiece material.

The invention discloses a method for making a sausage, and belongs to the technical field of food processing. The method for making the sausage comprises the steps that step 1, 10-15 parts of pork skin jelly and 3-5 parts of shaddock peel are prepared in parts by weight, the shaddock peel is ground and added to the melted pork skin jelly for mixing, and the mixture is obtained; step 2, fresh porkis washed and cut into pieces of meat, the pieces of meat is prepared from fatty meat pieces and lean meat pieces with the weight ratio of 2 to 3, 2 parts of spice is added into each 100 parts of meatpieces for curing, the curing time is 2-3 d, the cured meat pieces are immersed in the mixture, stirring is carried out to obtain the composition, the composition is heated to 30-40 DEG C, the immersion time is 1-2 d and then the composition is cooled, the specific value of parts by weight of the meat pieces to the mixture is 0.5 to 0.8; and step 3, the composition is poured into a casing and then subjected to air-drying, then a sausage semi-finished product is smoked in a smoking room for 24-28 h, and the sausage is obtained. The pork skin jelly can ensure that the moisture of the sausage isnot lost in the daily placement process.

The invention discloses a coke scrubbing device for a particle activated coke adsorption tower. The coke scrubbing device comprises an inner coke scrubbing barrel and an outer coke scrubbing barrel which are independent from each other, wherein a separation net is arranged between the inner coke scrubbing barrel and the outer coke scrubbing barrel; a rotating shaft penetrating through the whole inner coke scrubbing barrel is arranged at the middle of the inner coke scrubbing barrel; a motor for driving the rotating shaft and a speed reducer are arranged above the inner coke scrubbing barrel; spiral blades are arranged on the rotating shaft and positioned at the lower part of the inner barrel; a flattening device is fixedly arranged at the bottom end of the rotating shaft and comprises a main rod; a plurality of swing blades are arranged on the main rod. The coke scrubbing device disclosed by the invention has the advantages that the cleaning of the activated coke can be realized, and the filtering property of the activated coke is restored; the separation of the coke scrubbing wastewater and separation of solid suspended solids can be realized; uniform distribution of the particleactivated coke can be finished by cleaning.

The invention discloses a water distribution device for a particle activated coke adsorption tower. The water distribution device is integrally arranged into a three-stage water inlet structure, including a first-stage water inlet layer, a second-stage water diversion layer and a third-stage water diversion layer, wherein the first-stage water inlet layer is a center bin with a tubular structure;a water inlet is formed in the top of the center bin; the second-stage water diversion layer is characterized in that water diversion bins are symmetrically arranged on two sides of the center bin anda plurality of water diversion arms are symmetrically distributed on two sides of the water diversion bin; water distribution arms which are arranged below the water diversion arms and are communicated with the water diversion arms are arranged on third-stage water diversion layer; a plurality of water distribution ports are uniformly distributed in the water distribution arms. The water distribution device disclosed by the invention has the advantages that sewage entering an adsorption tower can uniformly enter a coke layer with particle activated coke, and filtering and adsorbing propertiesof the particle activated coke are sufficiently improved; uniform flowing of the activated coke in the adsorption tower can be realized, and the filtering and adsorbing properties of the particle activated coke are improved; electrochemical corrosion of the activated coke and a stainless steel material can be prevented.

An embodiment of the invention discloses a floor waterproof structure for building decoration. The floor waterproof structure for building decoration comprises floor tiles. Waterproof isolation mechanisms are installed on the bottom surfaces of the floor tiles, and water guiding supporting mechanisms are installed below the waterproof isolation mechanisms. Through raised head columns, water-proofcovers and correcting rings, the repeated operation of sealing and waterproofing the floor tiles is achieved, and meanwhile, the position correction operation of the floor tiles can be carried out toavoid the situation that the accumulated water cannot be discharged due to the fact that the floor tiles are tilted, during specific implementation, the floor tiles are clamped directly on the correcting rings to enable sealing rubber rings to seal the floor tiles, and at the moment, the raised head columns are embedded in through grooves in transition elastic pieces, so that the transition elastic pieces pull the floor tiles, even if gaps exist on the bottom of the floor, the situation that the accumulated water converges and cannot drained away due to the fact one side is tilted is not proneto occurring, and sealing rubber sleeves are pressed on the end parts of the water-proof covers to achieve further sealing, and the water-proof covers can play a role in isolation, so that the accumulated water does not penetrate deeper.

The invention discloses a moisture absorption preventing fucoidan product and a preparation method thereof. The product comprises an inner pill and an outer coating agent, wherein the inner pill comprises a basic raw material and an adhesive; the basic raw material comprises the following components in parts by weight: 80-85 parts of fucoidan, 8-12 parts of powdered sugar and 5-8 parts of emulsifier; the adhesive comprises the following components in parts by weight: 30-40 parts of powdered sugar, 5-8 parts of emulsifier and 100 parts of water. The fucoidan product has the advantages and positive effects that the pellet has the effect of resolving the contradiction between the content and moisture absorption of the fucoidan product; the prepared product has high fucoidan content, does not easily absorb moisture and is convenient to eat.

The invention discloses a high mechanical strength optical cable which comprises an outer sheath (1), an inner support member arranged in the outer sheath (1), an inner sheath (4) arranged between the outer sheath (1) and the support member, a plurality of fiber protection casings (5) arranged in the inner sheath (4), and fibers arranged in the fiber protection casings (5). The outer side of the inner sheath (4) is provided with an armored layer. The high mechanical strength optical cable has the advantages that through arranging the support member in the outer sheath, the sheath is divided with multiple areas to facilitate the installation of multiple groups of cables, thus the cable is easy to be branched, a role of support can be played, the anti-pressing and anti-bending ability of the cable are improved, the mechanical strength of the cable is raised, through arranging the armored layer, the prevention of the deformation of the inner sheath to press the fibers is facilitated, thus the effect of protecting the fibers is achieved, and the anti-pressing ability of the cable can be improved.

The invention relates to the technical field of thermosensitive labels, in particular to a bottom blue-developing thermosensitive label and a preparation method thereof. The bottom blue-developing thermosensitive label comprises a bottom layer and a dye layer which are sequentially arranged from bottom to top, wherein the bottom layer is carbon-source-free paper, and the dye layer is made of developing dye; the color development dye comprises the following raw materials in parts by weight: 25-30 parts of a colorless buffer toner, 10-15 parts of a color developing agent, 3-8 parts of a flattingagent A, 3-5 parts of a defoamer A, 2.5-3.0 parts of an aqueous polytetrafluoroethylene modified wax dispersion, and 30-35 parts of a solvent A. The dye layer of the bottom blue-developing thermosensitive label can change the color developing of the printed characters in a printing state of a thermosensitive printer, can improve the withered monotonous sense of only single black characters at present and can improve the color development effect. The preparation method of the bottom blue-developing thermosensitive label has the advantages of the simple operation, the easy control, the high production efficiency and the stable quality, and can be used for mass production.

The invention discloses an LED lighting device achieving energy saving with a human body infrared detection method. The LED lighting device comprises a protector installed on a lamp body, and the lower end of the lamp body is provided with a connecting column; installation personnel can be protected during installation through the protector composed of an upper block, a horn block and an edge block, and the upper block on the protector is connected to the part below the lamp body; and the lower end structure of the lamp body is wrapped by the horn block in a horn shape, and the horn block canplay a role in isolation, so that the safety of users is protected. A connecting ring composed of a rough pad, a connecting block and a circular ring provides such a position for connecting fixation and hand holding during installation; the connecting ring is held by hand, and fingers are put on the rough pad; in this way, the rough pad can provide large friction force during rotary connection, sothe phenomenon of hand slip during installation does not occur; and thus, the installation is more convenient.

The invention discloses a protection device for photovoltaic, internal combustion power generation, and energy storage micro-grids. The protection device for photovoltaic micro-grids includes: an installation box for installing components of photovoltaic micro-grids; a drive assembly, The driving assembly is installed on the upper side wall of the installation box, the driving assembly includes a wind wheel and a rotating shaft, the rotating shaft vertically penetrates the upper side wall of the installation box, and the wind wheel is fixedly connected to the At the top of the rotating shaft, the driving assembly is used to provide power for heat dissipation in the installation box; the fixing assembly is installed on both sides of the installation box, and the fixing assembly includes a fixing bar, a gear of the present invention and a transmission The shaft and the transmission wheel fixed on the transmission shaft rotate. Since the transmission wheel on the fixed shaft and the transmission wheel on the transmission shaft are sleeved with a belt, the fixed shaft rotates at the lower end of the fixed bar and drives the cooling blades to rotate. Heat dissipation in the box.

The invention discloses an industrial robot deceleration device, which comprises a main body, a cover plate is fixedly connected to the middle position of the front bottom of the main body, communicating holes are opened on both sides of the front of the cover plate, and the bottoms of the outer walls of the two sides of the main body A support plate is fixedly connected, and a deceleration device is provided at the middle of the top of the inner wall on both sides of the main body. The two sides of the deceleration device pass through the main body and extend to the outside of the main body. Involved in the field of robotics. The industrial robot deceleration device, when decelerating and stopping the device, the uneven surface of the dust plate can collect a certain amount of dust, which effectively improves the transmission stiffness of the deceleration force in a limited space, making it further increase. The ultimate bearing capacity of the device is increased, and the precision of the internal deceleration control of the device is increased, which is convenient for reducing the noise when the device rotates and decelerates, and is conducive to avoiding errors caused by the overall installation in the later stage.

The invention provides a sound insulation type elevator for villas. The elevator is formed by surrounding sound-insulation cabin walls; the sound-insulation cabin walls are sequentially connected oneby one so as to form an enclosure wall; the each sound-insulation cabin wall comprises a wall plate, a sound insulation layer and a connection structure; the side edges of the wall plates are symmetrically bent to form an opening shape; a bending notch of the each wall plate is arranged toward the outer side surface of the elevator; the corresponding sound insulation layer is arranged in the corresponding bending notch of the corresponding wall plate; by utilizing a bending part space of the each wall plate, a space utilization ratio of the each sound insulation layer is increased; the side edges of the two wall plates are mutually connected through the connection structures; the connection structures are molded into a T shape; two straight angle parts of the each connection structure arerespectively in close connection with the side edges of the wall plates; flat head ends of the connection structures are connected with the outer part of the elevator; a tip end is clamped between thetwo wall plates and does not excess the inner side surfaces of the wall plates; a fastening nail extends to the corresponding wall plate from the two surfaces contacting with the corresponding wall plate, penetrates through the corresponding wall plate and is inserted into the bending notch; and a fixed screw cap is connected with the fastening nail so as to fasten the corresponding wall plate.

The invention provides a high-impedance material which is composed of the following components by weight percent: 10 to 30 % of bonding resin, 20 to 50 % of an opacifier, 30 to 65 % of a solvent and 0.03 to 0.2 % of an adhesive modifier. The high-impedance material provided by the invention can be used for preparing a black matrix (BM) which can play a role of isolation. By applying the black matrix to a liquid crystal display apparatus, induced charges generated due to electric field change at electrode lead areas on both sides of a lower substrate are enabled to gather and bound at the edge of an upper-side BM area at the instant of power on, and do not diffuse and leak into an inner side, so that situations of white lines on both sides of ADS products can be thoroughly resolved.

The invention relates to the technical field of waterproof construction, and discloses an integrated construction method for a basement assembled bearing platform and waterproof construction, which includes the following construction steps: excavating the bearing platform to form a foundation pit, trimming the bearing platform and then compacting it; Construction of engineering piles at the bottom of the foundation pit, and waterproof construction of the engineering piles; installation of prefabricated PC wall panels with embedded waterproof layers at the bottom of the foundation pits, and waterproofing of the basement structure; in the prefabricated PC wall panels Waterproof joints are left around. According to the area of ​​the construction area, multiple prefabricated PC wall panels are spliced ​​and combined or a single prefabricated PC wall panel is divided and cut. Between two adjacent prefabricated PC wall panels In this way, without affecting the supporting function of the wallboard, the waterproof coiled material can isolate the water on the wallboard, and can effectively prevent the leakage of water on the basement floor structure, further Improve the stability and waterproof performance of wall panels.

The invention discloses a cascode radio frequency power amplifier based on closed-loop power control. The cascode radio frequency power amplifier comprises at least one cascode transistor pair composed of a first radio frequency transistor and a second radio frequency transistor and a nominal cascode transistor pair which corresponds to the cascode transistor pair and is composed of a third radio frequency transistor and a fourth radio frequency transistor. The cascode transistor pairs are connected in parallel. The third radio frequency transistor and the fourth radio frequency transistor serve as nominal transistors of the first radio frequency transistor and the second radio frequency transistor, so that temperature compensation and technology deviation compensation of power control over the power amplifier can be achieved.

The invention belongs to the technical field of dentistry implant filling materials and implant material antibiosis, and particularly relates to a magnesium-based metal polymer composite bone-guided regeneration membrane and a preparation method thereof. A metal magnesium-based metal coating is prepared on a polymer material by adopting a vacuum evaporation technology, the thickness of a polymer matrix is 100-1000m, and the thickness of the coating is 0.1-1000m. The problems of bone bioactivity and infection of an existing implant material can be solved, and the permanent implant material obtained through the method meets the mechanical property requirements of various implant positions, has excellent biocompatibility and meanwhile has a sterilization function.

The invention discloses an iron removal and mineral separation machine, which comprises an iron removal andmineral separationmachine body composed of a base, a mineral separationmechanism, a circulating mechanism and an iron removal mechanism, wherein the mineral separation mechanism comprises a guide block, a guide groove is formed in the guide block, a conducting rail is fixedly connected to the top of the guide block, the bottom bearing column of the guide block is fixedly connected with the top of the base, a feeding pipe is fixedly connected to the left side of the guide block, the right end of the feeding pipe penetrates through the guide block and extends into the guide groove, and a receiving plate is fixedly connected to the right side of the guide block. The invention relates to the technical field ofmineral separation. According to the iron removal andmineral separation machine, the problems that in the mineral separationprocess, in the occasion with the high requirement for the iron content, iron removal equipment needs to be used for conducting concentration iron removal and even multiple times of iron removal on raw materials obtained after roughing, so that the requirement is met, the iron removal efficiency is low, iron removal is not thorough, time and labor are wasted, the cost is high, and industrial production is not facilitated are solved.

The invention discloses an electric power cabinet which comprises an electric power cabinet body composed of a cabinet body, a water collection box, an exhaust fan, an impurity prevention mechanism and a sewage tank, the top of the cabinet body is fixedly connected with the bottom of the water collection box, the left side of the cabinet body is fixedly connected with the outer side of the exhaust fan, and the impurity prevention mechanism comprises a sealing plate. The invention relates to the technical field of electric power. The electric power cabinet solves the problems that when electric power equipment runs, a large amount of current flows through the electric power equipment through a wire, so that a magnetic field exists in the equipment cabinet, dust in air is attracted by the magnetic force of the magnetic field and enters the cabinet body through the heat dissipation holes, and the dust is attracted to the inner walls of the heat dissipation holes by the magnetic force, so that the internal temperature of the equipment cabinet rises; and the problems of unstable operation of power equipment, potential safety hazards, equipment damage caused by the fact that rainwater easily enters the cabinet body through heat dissipation holes, long-term exposure of the equipment in the air, easy coverage of the heat dissipation holes by spider webs and the like, and further influence on heat dissipation in the power cabinet in the prior art are solved.

The invention discloses a direct digital control (DDC) controller for control over strong-to-weak electricity conversion of a central air conditioner. The DDC controller comprises a left shell, a DDCcontroller body, a main shell and a right shell, the left shell is bonded to one side of the main shell, the right shell is bonded to the other side of the main shell, the DDC controller body is mounted inside the main shell, sliding grooves are formed in the end walls of the upper side and the lower side of the front side end face of the main shell correspondingly, wiring openings are formed in the end faces of the upper side and the lower side of the DDC controller correspondingly, wiring tubes are mounted in the left shell and the right shell, at the ends of the wiring openings, of the DDCcontroller body correspondingly, and the wiring tubes are composed of tube cavities and tube walls. According to the DDC controller, real-time electric energy quality information and an electric energy quality model in a historical database are checked and compared so that the comprehensiveness and safety of quality monitoring of strong-weak electricity conversion of the central air conditioner can be further improved.

The invention belongs to the technical field of coating preparation processes, and particularly relates to a preparation process of an epoxy resin coating. The process comprises the following steps of(S1) selecting raw materials: taking water, polyvinyl alcohol, bisphenol A-epoxy resin and sodium cellulose, preparing a colloidal solvent A by adopting a conventional glue boiling process, putting whiting powder, light calcium carbonate, ash calcium powder, talcum powder and expansive soil into a charging barrel, and mixing and stirring to prepare a powder mixture B, (S2) grinding and crushing:putting the powder mixture B prepared in step (S1) into a grinding machine to be fully ground and crushed, (S3), filtering the raw materials: filtering the ground and crushed powder mixture B in stepS2 through a filtering device to filter out impurities and a large-particle mixture in the mixture; and (S4) packaging the raw materials: preventing the phenomenon that the coating is adhered in the discharging barrel since the coating has an adhesive when the colloid solvent A and the powder mixture B are mixed and prepared and then put into the discharging barrel.

The invention discloses a cable protection pipe sleeve for track traffic. The cable protection pipe sleeve comprises a sleeve body, wherein the sleeve body comprises a core layer; an outer layer is fixedly connected onto the outer surface of the core layer; an organic silica gel layer is fixedly connected onto the outer surface of the outer layer; an inner cavity of the core layer is fixedly connected with an anticorrosion layer; an inner cavity of the anticorrosion layer is fixedly connected with an electromagnetic shielding layer; an inner cavity of the electromagnetic shielding layer is fixedly connected with a waterproof layer; an inner cavity of the waterproof layer is fixedly connected with an anti-impact layer; an inner cavity of the anti-impact layer is fixedly connected with an alkali-free glass braided layer. Through the arrangement and the matched use of the sleeve body, the core layer, the outer layer, the organic silica gel layer, the anti-corrosion layer, the electromagnetic shielding layer, the waterproof layer, the anti-impact layer, the alkali-free glass braided layer and the fixing frame, the problem of short service life of the existing track traffic universal cable protection pipe sleeve is solved. The cable protection pipe sleeve for track traffic has the advantage of long service life and is worthy of being popularized.

The invention discloses an easy-to-branch optical cable with high anti-jamming capability. The optical cable comprises an outer sheath (1), a fireproof layer (7) arranged in the outer sheath (1), a supporting piece arranged in the fireproof layer (7), an inner sheath (4) arranged between the outer sheath (1) and the supporting piece, a plurality of optical fiber protection sleeves (5) arranged in the inner sheath (4) and optical fibers (6) arranged in the optical fiber protection sleeves (5). The optical cable has the advantages that since the supporting piece is arranged in the outer sheath, the optical cable is easy to branch, a supporting effect can also be achieved, the pressure resistance and bending resistance of the optical cable are improved, and the mechanical strength of the optical cable is improved; through the arrangement of the fireproof layer, the optical cable has good fireproof performance, so that the optical cable is protected against damage caused by high temperature; the fireproof layer made of the AFR / 12 material has good heat insulating performance, the internal structure of the optical cable can be protected against high temperature damage, and therefore use safety of the optical cable is ensured.

The invention discloses a magnetic levitation track beam tensioning protection device and a protection method. The protection device comprises a supporting frame and a protection steel plate arrangedon the supporting frame; the supporting frame comprises a bottom frame and two rows of supporting stand columns arranged on the bottom frame; the protection steel plate is arranged between the two rows of supporting stand columns; the protection device is arranged at one end of a magnetic levitation track beam so that the protection steel plate can be aligned with a tensioning structure. The protection device is arranged at the either end of the magnetic levitation track beam so as to realize an isolation effect in a pre-stress tensioning process, prevents fragments and parts flying out accidentally from hurting workers, and advantageously guarantees construction safety.

The invention relates to the technical field of building engineering, in particular to an anti-blocking floor drain for building engineering drainage. The anti-blocking floor drain for the building engineering drainage comprises a pre-embedded seat, and a connecting cavity is formed in the pre-embedded seat. Limiting mechanisms are arranged on two sides of a sleeve, a placing cavity is formed in the upper end position of the sleeve, a cover plate is placed in the placing cavity, and a first lifting mechanism is arranged at the middle position of the upper surface of the cover plate. The crosssectional area of the cover plate is matched with the cross sectional area of the placing cavity, a boss is fixedly connected to the lower end of the cover plate, and a plurality of guide flow holes are formed in the cover plate. A baffle ring is fixedly connected to the middle position of the inner walls of the two sides of the sleeve, a connecting ring is placed on the baffle ring, a cylinder isfixedly connected to the inner ring of the connecting ring, a filter screen is fixedly connected to the lower end of the cylinder, the aperture of the filter screen is less than the cross sectional area of the guide flow holes, a water guide mechanism is arranged at the lower end of the sleeve, and a sealing mechanism is arranged at the upper end position of the sleeve. The anti-blocking floor drain for the building engineering drainage has the characteristics of preventing a sewer pipeline from being blocked and isolating peculiar smell.

The invention discloses a moisture-absorbing fucoidan product and a preparation method thereof. The product includes internal pills and an outer coating agent. The internal pills include basic raw materials and adhesives. The components of the basic raw materials are rock. 80-85 parts by mass of algae polysaccharide, 8-12 parts by mass of sugar powder and 5-8 parts by mass of emulsifier; the components of the adhesive are 30-40 parts by mass of sugar powder, 5-8 parts by mass of emulsifier, and water 100 parts by volume. The pellets of the present invention solve the contradiction between fucoidan product content and moisture absorption. The produced product has high fucoidan content, is not easy to absorb moisture, and is convenient for consumption.