38results about How to "Improve internal structural strength" patented technology

A structured composite is comprised of particulates having particle size distribution of at least two modes and a binder. The particle size distribution is preferably bi-modal or tri-modal. The composite may further contain a density-modifying agent for modifying the density of the composite. The particulates are preferably substantially spherical and may be ultra lightweight (ULW) materials. The resulting composites exhibit the requisite strength to survive downhole imposed stresses and temperatures.

The inventions belongs to the technical fields of manufacture of conical cement electric poles, cements communication poles and cement lamp poles and particularly relates to a centrifugal forming die and a construction method for a high-strength conical cement pole. The centrifugal forming die comprises a conical outer die, a conical inner die, an inner die large-end flange plate, a large-end prestress tensioning ring, an outer-die large-end flange plate, an outer-die small-end flange plate, a die cavity small-end closing plate, one group of running wheels, one group of bolt assemblies, a prestress locking nut, a mortar injecting port and an exhaust port, wherein the conical outer die, the conical inner die, the large-end prestress tensioning ring and the die cavity small-end closing plate form a closed annular die cavity; one group of large-end longitudinal rib inserting holes are formed in the large-end prestress tensioning ring; and one group of small-end longitudinal rib inserting holes are formed in the die cavity small-end closing plate. According to the centrifugal forming die and the construction method disclosed by the invention, the conical cement poles with the advantages of smooth inner and outer surfaces, high internal structural strength and uniformity in wall thickness can be produced. In addition, the wall thickness of the cement poles can be accurately controlled, so that the materials can be saved, the service strength of the pole bodies is ensured and the work environment of the field is improved.

The invention discloses a coating fluid for preparing inkjet high-gloss waterproof printing paper, which comprises the following components in parts by weight: 10-40 parts of ink powder adsorbent, 30-55 parts of adhesive, 0.05-0.15 part of whitener, 0.05-0.15 part of dispersing agent, 2-5 parts of defoaming agent, 1-3 parts of neutralizer and 140-200 parts of distilled water. The adhesive is a cationic water-based polyurethane emulsion. The invention also discloses a printing paper for preparing the coating fluid and a preparation method thereof. The coating fluid has the advantages of no toxicity, no odor, favorable bonding property and favorable water resistance; the coating has favorable weather resistance and can bear sunlight irradiation for a long time; the coating has the advantages of high internal-structure strength and favorable adhesion for the substrate; and the coating printing surface has favorable scratch resistance. The printing paper prepared from the coating fluid has the advantages of ultrahigh drying rate after ink absorption, bright color, high color reduction degree, no piling phenomenon and favorable waterproof effect; and the output image has clear and sharp picture.

In a insert-type continuous casting nozzle comprising a highly functional layer formed to have a high corrosion resistance, a high anti-attachment capability, etc., and provided to define an inner bore thereof, the present invention is directed to providing a refractory material (mortar) for an intermediate layer of the continuous casting nozzle, which has a property capable of fixing an inner bore-side layer to an outer periphery-side layer (a nozzle body) of the continuous casting nozzle, while preventing the occurrence of expansion splitting in the outer periphery-side layer due to a difference in thermal expansion between the inner bore-side and outer periphery-side layers, and a continuous casting nozzle using the refractory material for the intermediate layer. The refractory material for the intermediate layer contains a hollow refractory aggregate in an amount of 10 to 75 volume %, wherein a ratio of an average radius R of each particle of the aggregate to an average wall thickness t of the particle satisfies the following relation: R/t≧10. This refractory material is disposed between an inner bore-side layer (2) and an outer periphery-side layer (3, 4) of a continuous casting nozzle.

The invention discloses a thermoplastic elastomer prepared from raw materials comprising the following components in parts by weight: 1-12 parts of SEBS, 3-15 parts of SBS, 1-12 parts of PS, 1-10 parts of PP, 1-5 parts of carbon black, 10-35 parts of nanometer calcium carbonate, 10-20 parts of naphthenic oil, 0.1-0.5 part of antioxidant and 0.1-1 part of stearic acid. SEBS, SBS, PS and PP are usedas matrix materials, and nanometer calcium carbonate is capable of improving the compatibility among the matrix materials, so that the mixing uniformity of the matrix materials is improved. Micromolecules of the naphthenic oil is capable of entering among molecular chains to play a role in wetting an interface, so that the matrix materials are better combined, and furthermore, the compatibility among the matrix materials is improved. Stearic acid has dispersion and emulsion effects and is capable of improving the compatibility among the matrix materials, and furthermore, the mixing uniformityof the matrix materials is improved, so that the internal structural strength of a product is improved; and meanwhile, stearic acid is also capable of increasing the dispersity of nanometer calcium carbonate and the naphthenic oil in the matrix materials, so that the effect that the combination degree of the matrix materials is increased by nanometer calcium carbonate and the naphthenic oil is improved.

The invention discloses a high-temperature-resistant and corrosion-resistant solar silica gel plate and a preparation method thereof, and particularly relates to the technical field of solar silica gel plates, and the high-temperature-resistant and corrosion-resistant solar silica gel plate comprises dimethyl silica gel, white carbon black, hydroxyl silicone oil, a temperature-resistant agent, polyimide fibers and an organic solvent. The acid and alkali resistance of the high-temperature-resistant and corrosion-resistant solar silica gel plate can be effectively improved, the high-temperature-resistant and corrosion-resistant solar silica gel plate can be used under acid and alkali conditions for a long time, the hardening and embrittlement problems cannot occur, and the service life is guaranteed; the temperature-resistant agent in the formula can realize composite modification treatment on the silica gel material and the polyimide fiber respectively, is used for enhancing the temperature resistance and the safety performance of the solar silica gel plate, and can improve the acid and alkali resistance and the service life of the solar silica gel plate; the polyimide fiber in the formula serves as a framework of the solar silica gel plate, the internal structural strength of the solar silica gel plate can be effectively improved, and the acid and alkali resistance, the structural strength and the safety performance of the solar silica gel plate can be effectively improved.

The invention discloses environment-friendly concrete. The environment-friendly concrete comprises cement, sand, cobblestones, polyethylene filaments, polyethylene granular balls and the like. The environment-friendly concrete has the advantages that the polyethylene granular balls are used to partially replace aggregates in traditional concrete raw materials, polyethylene plastics are recycled, and pressure caused by plastic garbage on environments can be lowered; the environment-friendly concrete is good in structural strength, lightweight, good in ductility, good in weather resistance and good in crack resistance and impact strength.

The invention relates to the technical field of buildings, and discloses a prefabricated beam. The prefabricated beam comprises beam bodies each of a [-shaped structure and prefabricated ribs arrangedin the beam bodies in a penetrating mode; and the prefabricated ribs comprise strip-shaped ribs and stirrups, the strip-shaped ribs are arranged in the beam bodies, connecting pieces are arranged atthe ends of the beam bodies, connecting assemblies are arranged between adjacent beam bodies, and the connecting assemblies are fixedly connected with the connecting pieces correspondingly. The beam bodies of the [-shaped structures are light and thus are convenient to transport; through the prefabricated ribs, the beam bodies are firm, thus the beam bodies have the structures of initial beams, after construction, the beam bodies can be filled, and the internal structures of the beam bodies can be improved; in addition, the adjacent beam bodies are connected through the connecting assemblies,thus during using, the beam bodies can be connected through the connecting assemblies to form a whole, and integrality of the beam bodies is improved; and during construction, firstly, the beam bodiesare carried to the designated position, then grouting is conducted in the beam bodies of the [-shaped structures, and thus the complete structural beam is formed.

The invention discloses a preparation method of a sandwich plate, and belongs to the technical field of decorative material preparation. According to the preparation method, firstly, camphorwood is used as a raw material, and the camphorwood has the effects of insect prevention, mildew prevention and sterilization, so that the insulation property of an internal plate is greatly increased; then peanut oil is used a raw material, and micro-blasting wood pulp and the peanut oil are mixed and fermented, so that the internal plate of the preparation method has the effects of moisture protection, sterilization and bacteriostasis; zinc powder is soaked in a lanthanum nitrate solution, so that a lanthanum oxide protective film is formed on the surface of the zinc powder, the relative contact angleof the zinc powder is increased by the lanthanum oxide protective film, and the fire resistance of the zinc powder is good, so that an external plate has excellent flame resistance due to the use ofthe zinc powder; then sardines bones are used as raw materials, the sardines bones contain a large amount of fluorine, the fluorine has hydrophobicity, so that the moisture resistance of the modifiedzinc powder is increased, the modified zinc powder is used as the raw material to prepare the external plate, and two modified external plates are respectively bonded to the front and back surfaces ofthe modified internal plate by epoxy glue so as to prepare the sandwich plate. The preparation method has wide application prospects.

The invention discloses a space-saving distribution box with an insect-proof network structure, which relates to the field of distribution box equipment, and solves the problems of complex structure,large occupying space and bad insect-proof effect of the existing distribution box. A space-saving distribution box with insect-proof net include that box, the bottom of the box is welded with four supporting legs, a sliding box door is connected with the front end of the box body, the sliding box door is slidably connected with a sliding groove inside the box body, the top of the box body is welded with a rain-proof shed, an invisible insect-proof net is arranged on the inner top surface of the box body, The inner side of the box body opposite to the sliding box door is provided with a noise-absorbing partition plate, a noise-absorbing cotton is arranged in the sandwich of the noise-absorbing partition plate, a hinge slide rail is arranged inside the box body, the hinge slide rail is matched and connected with a sliding hinge, the sliding hinge is rotatably connected with a placing plate, and an air-conditioning fan is arranged below the placing plate.

The invention relates to an insect-proof setting device used for grafting red cherry blossoms in China. The device includes an inner layer (10), reinforcing layers (20), rubber layers (30), nylon layers (40) and several volatilization blocks (50), wherein the reinforcing layers (20), the rubber layers (30) and the nylon layers (40) are sequentially arranged on the two sides of the inner layer (10), and the volatilization blocks (50) are uniformly arranged on the nylon layers (40) at intervals; the setting device is internally provided with a plurality of guide lines (60), the guide lines (60) penetrate through the setting device and extend to the outer sides of the upper surface and lower surface of the setting device, and the portions, located on the inner layer (10), of the guide lines are located in an isolation space (104); the portions, located outside the nylon layers (40), of the guide lines extend and are fixed in the volatilization blocks (50). According to the setting device, insect repellent liquid is arranged, the guide lines and the volatilization blocks are used for insect repelling, and the advantage that the insect repelling time is long can be achieved.

The invention belongs to the technical field of manufacturing of cement poles, cement communication poles and cement lamp poles, and particularly relates to an outer mold for the cement pole molded through casting. The outer mold comprises an upper semicircular mold and a lower semicircular mold, two mold end plates, a set of transverse rib plates and a set of longitudinal rib plates, and is characterized in that two longitudinal right-angled plates are symmetrically arranged with respect to the central vertical plane of the upper semicircular mold and the central vertical plane of the lower semicircular mold and below the lower semicircular mold, a set of T-shaped hanging points are uniformly arranged at the top ends of the one set of transverse rib plates at intervals, and the two longitudinal right-angle plates are fixedly connected with the one set of transverse rib plates. According to the outer mold, the outer size and the structure of the mold are changed, an original running wheel of the outer mold is omitted, the bottom longitudinal right-angle plate support is added, so that the rigidity of the mold is increased, and meanwhile, the T-shaped hanging points are additionallyarranged at the top of the mold, so that the mold can be continuously conveyed on a roller way; and meanwhile, an automatic lifting appliance can be used for automatic grabbing and lifting and conveying operation, so that the production process of the cement pole is automated and simplified, and the production efficiency is improved.

The invention discloses a construction process for buried type deep support of a semi-open and semi-dark unsymmetrical pressure tunnel. The semi-open and semi-dark unsymmetrical pressure tunnel comprises an open cut tunnel and a dark tunnel. The construction process comprises the steps that a plurality of anchoring holes are formed in the tunnel wall of the dark tunnel based on the preset tunnel entering requirement; rigid anchoring parts are put into the anchoring holes, and gaps are formed between the rigid anchoring parts and the hole walls of the anchoring holes; and the anchoring holes are filled with fillers until the anchoring holes are full of the fillers, and the fillers are combined with the rigid anchoring parts to form the tunnel support after the fillers are solidified so as to support the tunnel. According to the construction process for buried type deep support of the semi-open and semi-dark unsymmetrical pressure tunnel, the problem of deep supporting of the hole body section and the side wall of the unsymmetrical pressure tunnel can be solved, and the common problems of deformation and collapse of the side wall of the tunnel and the like in the engineering field due to failure of the supporting measure caused by damage of the supporting measure due to vibration of blasting operation are solved.

The invention discloses a pulse direct-reading intelligent water meter with a rotary mounting structure, and particularly relates to the technical field of intelligent water meters. The pulse direct-reading intelligent water meter comprises an intelligent water meter main body, a reinforcing structure is arranged on the inner wall of the intelligent water meter main body, and a display screen is fixedly connected to one side in the intelligent water meter main body; and the bottom end of the display screen is fixedly connected with a microprocessor through a connecting wire. By arranging the sliding gasket, the glass sheet, the fixing rod and the buffer spring, when the temperature difference between the inside and the outside is large in use, the glass sheet is prone to fogging and influencing the observation sight, and the sliding gasket is arranged at the top of the glass sheet and mainly used for preventing the glass sheet from sliding, opening the cover plate and taking out the glass sheet from the position between the fixing rods to be wiped; after wiping is completed, the glass sheet is placed between the fixing rods, under the action of the buffer springs, the glass sheet is limited and fixed, the glass sheet can be cleaned conveniently in time, and the reading accuracy is improved.

The invention discloses a non-vertical type lifting hanging basket device for building, and relates to the technical field of hanging baskets, the non-vertical type lifting hanging basket device comprises a front baffle, a closing plate is installed in the middle of the front baffle, movable hinges are fixedly installed at the left end and the right end of the closing plate, the movable hinges are fixedly connected with the closing plate, and the movable hinges are located on the inner side of the front baffle; fixing plates are fixedly installed at the rear ends of the left end and the right end of the front baffle, flexible plates are fixedly installed at the rear ends of the fixing plates, and rubber stretching layers are fixedly arranged at the front ends of the flexible plates. According to the non-vertical type lifting hanging basket device for the building, the baffle with the changeable internal structure is adopted to be attached to an irregular wall face, the baffle can be tightly attached to the wall, the internal structural strength can be improved in the ascending or descending process, the building construction efficiency and the safety of constructors are improved, an extrusion block is bounced upwards through the lever principle, and the safety of the constructors is improved. The pressure resistance and the strength of the flexible plate are effectively improved, and the construction personnel are fully protected.

The invention relates to an environment-friendly wastewater treatment process for fish skin gelatin. The environment-friendly wastewater treatment process comprises the following steps: S1, carrying out filter pressing on sludge in a pre-sedimentation tank through a first filter press; s2, carrying out filter pressing on the sludge in the adjusting tank through a second filter press; s3, the wastewater subjected to the flocculation reaction enters a primary sedimentation tank, a mixed flocculant comprises FeSO4, PAC and PAM according to the ratio of 100: (10-20): (10-20), sludge is subjected to filter pressing through a third filter press, and filter pressing tail water enters a standby tank; s4, the wastewater enters a secondary sedimentation tank, sludge is subjected to filter pressing through a fourth filter press, filter pressing tail water enters a standby tank, and mud cakes subjected to filter pressing through the filter presses all enter a batching tank; s5, the weight ratio of the mud cake to the coal gangue in the batching pool is 20: 1-25: 1; s6, mold fixing; s7, a first drying section; s8, pricking holes; s9, a second drying section; s10, an anti-cracking working section; and S11, a third drying section. According to the invention, multi-stage precipitation is carried out, and the generated precipitated sludge is intensively and effectively utilized, so that the environmental protection index of gelatin wastewater treatment is improved while economic benefits are generated.

The invention discloses an efficient, high-quality, energy-saving and environment-friendly non-woven fabric production process. The efficient, high-quality, energy-saving and environment-friendly non-woven fabric production process comprises the following steps that S1, fibers are premixed; S2, web forming is conducted, specifically, padder squeezing is conducted on a mixed fiber solution obtainedin the step S1 to obtain mixed fibers, the mixed fibers are fed into an opener for opening, and then fed into a carding device for carding to form a single net, the formed single net is stripped intoa net laying device, the single net is laid into a criss-cross fiber web through the net laying device, and a fabric anti-splitting coating agent is sprayed on the fiber web; S3, non-woven fabric gray cloth is formed; S4, steaming, bleaching and washing are conducted; S5, a non-woven fabric finished product in the step S4 is dried, and one side of the non-woven fabric finished product is ironed at high temperature; and S6, the non-woven fabric finished product obtained in the step S5 is stand at room temperature, and wound. The production process is simple and efficient, and a produced non-woven fabric is light, thin, breathable, not prone to splitting and not prone to crease generation.

The invention discloses a beam column pouring reinforcement device and process which aim at overcoming the defects that existing beam columns are generally arranged to be of a constant strength structure, and when the strength of a beam needs to be improved, the number of consumed materials is large, so that the construction cost is greatly increased. The beam column pouring reinforcement device comprises a supporting table, a stabilizing frame and a plurality of embedded tubes pre-arranged into a pouring mold. The rear ends of the embedded tubes extend out of the rear end of the pouring mold and movably connected to the stabilizing frame in a sleeving mode. Reinforcing steel bars are arranged in the embedded tubes; and the front ends of the reinforcing steel bars are in sealing connection with the front ends of the embedded ends and extend out of the front end of the embedded tubes. The front ends of the reinforcing steel bars are connected with the pouring mold, and the front ends of the embedded tubes are provided with a plurality of liquid outlet one-way valves. The supporting table is connected with a pushing seat in a sliding mode. The rear ends of the embedded tubes are fixedly connected with the pushing seat. A rack is arranged on the pushing seat. The supporting table is provided with a driving gear which is in driving connection with the rack in a fastening mode. The pushing seat is provided with a liquid discharging pump in a fastening mode, and the rear ends of the embedded tubes communicate with liquid outlets of the liquid discharging pump.

The invention discloses an assembled solid wood door leaf, which comprises a three-layer solid wood structure, wherein two sides are veneer layers, and an assembly layer is sandwiched between the veneer layers; the assembly layer includes a pair of symmetrically arranged first C-shaped Wooden boards, the lower end of the first C-shaped wooden board is connected with a bottom plate, and the first C-shaped wooden boards are tenon-jointed with bottom beams. There is a middle beam between the wooden boards, and the third C-shaped wooden board is connected by stud bolts and nuts on the top of the second C-shaped wooden board. The top beam is connected between the third C-shaped wooden boards. There is a top board; the outside of the first C-shaped plank, the second C-shaped plank and the third C-shaped plank is connected with a fourth C-shaped plank. The invention has the advantages of convenient transportation, high internal structure strength and long service life.