42results about How to "Ensure no leaks" patented technology

The invention relates to the technical field of garbage recycling and provides a swing arm type compression garbage can and a method for garbage extrusion performed by means of the swing arm type compression garbage can. The swing arm type compression garbage can comprises a compression can body, a sewage tank and a rear opening door. The sewage tank is arranged at the bottom of the compression can body and connected with a sewage drainage connector inside the compression can body. The rear opening door is connected with the tail of the compression can body. The compression can body is internally provided with a sliding plate, a pendulum type compression head and a locking mechanism. The sliding plate is arranged at the bottom of the compression can body. The pendulum type compression head moves along the sliding plate. The pendulum type compression head comprises a rotating rod, a compression oil cylinder, a swing arm and a compression push plate. One end of the rotating rod is installed at the vertex angle of the compression can body, and the other end of the rotating rod is connected with the top end of the compression oil cylinder. The bottom end of the compression oil cylinder is connected with a swing arm. The compression push plate is installed at the bottom end of the swing arm. The swing arm type compression garbage can is provided with the garbage pushing and compression devices, meanwhile the pushing speed and the compression speed are high on the basis of the pendulum type principle, solid-liquid separation is achieved, the loading efficiency is high, and manpower is saved.

The invention provides a formula for a ceramic storage tank. The ceramic storage tank is prepared from the following raw materials by weight: 60-80 parts of Huguan green gangue, 15-25 parts of sandstone clinker, 10-20 parts of quartz, 25-40 parts of feldspar and 5-15 parts of kaolin. The ceramic storage tank of the invention solves the problem of leakage and can be used in the liquor, vinegar andchemical industries; the production of large-capacity storage tanks and fermentation tanks is realized; and the water absorption rate of the outer surface of the ceramic storage tank of the inventionis less than 1%, which ensures that the ceramic storage tank does not leak, and the inner surface and the middle portion of the ceramic storage tank have large water absorption rates, which is beneficial for the propagation of beneficial microorganisms, and thus, the ceramic storage tank can be used as a fermentation tank.

The invention discloses a waterproof plugging structure for a roof pipeline and a construction method, and belongs to the technical field of building construction. The waterproof plugging structure comprises a steel sleeve, first polymer waterproof mortar, a leveling layer, a waterproof coiled material, asphalt-based sealant, a galvanized pipe and second polymer waterproof mortar, wherein the steel sleeve is pre-buried in a roof structure layer and provided with a water stop wing ring; the first polymer waterproof mortar is poured between the steel sleeve and the roof pipeline; the leveling layer is laid on the roof structure layer; the waterproof coiled material is bonded to the upper surface of the leveling layer and the outer side of the steel sleeve; the asphalt-based sealant is sealed at the top of the waterproof coiled material and the top of the polymer waterproof mortar; the waterproof coiled material is sleeved with the galvanized pipe; a gap is reserved between the inner wall of the galvanized pipe and the waterproof coiled material; and the second polymer waterproof mortar is poured between the galvanized pipe and the waterproof coiled material and covers the top of the asphalt-based sealant. The waterproof effect of the roof pipeline is achieved through the measures of effectively plugging the space between the steel sleeve and the roof pipeline, turning the waterproof coiled material upwards to the top face of the steel sleeve, effectively protecting the waterproof coiled material turned to the steel sleeve and the like, and the pipeline is not leaked.

The invention discloses a formwork support method for a cast-in-place dome roof, which comprises the following steps: matching formwork and retaining construction joints; both inner and outer formworks are prefabricated on site in the form of enlarged samples, assembled in sections, and the height of each section is determined according to the specifications of the plywood. The arc length of the concrete horizontal joint construction is consistent with the height of the outer formwork of the dome hemisphere; the outer formwork and the inner formwork are connected by tension bolts, and when each section of concrete is poured, the construction joints of certain specifications of wood are prevented; Formwork back flute; configure curved panel and formwork installation. In this method, both the inner and outer formwork are prefabricated on site in the way of enlarged sample, assembled in sections, the inner formwork is assembled and installed to the top at one time, the outer formwork and concrete are constructed in sections, and the formwork is used repeatedly. The method has the characteristics of low material loss, reusable use, simple assembly, fast construction speed, easy quality assurance, low construction cost and high safety.

The invention discloses a grouting method for a concrete raft foundation construction joint. On the basis of banding reinforced concrete raft foundation lower double-layer rebar and reinforced concrete raft foundation upper double-layer rebar, vertical rebar is welded, grouting pipes are laid in a middle rabbet groove of the concrete raft foundation construction joint at horizontal spacing of 500mm according to preset requirements, when a water leakage phenomenon occurs to molded concrete in the use process, the laid grouting pipes can be used for grouting caulking, technical problems which cannot be solved by conventional waterproof treatment are solved, quality is guaranteed, the construction period is shortened, cost is reduced, and the purpose of prevention and treatment integration is realized. Compared with a traditional joint treatment method, the grouting method has the advantages that not only is material performance excellent, installation is simple and convenient, the construction period is shortened, the cost is reduced, under the premise of not damaging the structure, it is ensured that no leakage occurs at the joint, and the grouting method is an advanced and effective joint waterproof measure.

The invention belongs to the technical field of drainage pipes, and particularly relates to an anti-leakage and easy-to-replace drainage pipeline. The anti-leakage and easy-to-replace drainage pipeline comprises a pipe body with a cylindrical shape, the pipeline body is formed by splicing an upper half shell and a lower half shell, at least one upper concave part is arranged at the two ends of theupper half shell in the radial direction, the upper concave parts are in a step shape, each upper concave part comprises a first groove and a second groove, the two ends of the lower half shell are provided with lower concave parts matched with the first grooves and convex parts matched with the second grooves, the first grooves and the lower concave parts are spliced to form first sealing grooves, and first sealing strips are arranged in the first sealing grooves. The leak-proof and easy-to-replace drainage pipeline has a good anti-leakage effect, can prevent the pavement from sinking, prevents the sewage from polluting the environment, and has a long service life.

The invention discloses reverse osmosis equipment with a quick-release sewage cleaning mechanism based on reverse osmosis water treatment. The reverse osmosis equipment comprises a reverse osmosis device and the sewage cleaning mechanism mounted on one side of the reverse osmosis device, the reverse osmosis device is composed of a plurality of reverse osmosis assemblies from bottom to top, and each reverse osmosis assembly comprises a long osmosis pipe, a reverse osmosis pipe and a short osmosis pipe which are coaxially and sequentially connected; the sewage cleaning mechanism comprises a sewage tank, a rotating shaft arranged above the sewage tank and a sewage cleaning shovel; the middle part of the inner wall of a sewage cleaning pipe is closed, and a servo motor for driving the rotatingshaft to rotate is arranged in an inner cavity close to the right end. According to the reverse osmosis device, the long osmosis pipes, the reverse osmosis pipes and the short osmosis pipes are arranged to form the reverse osmosis assemblies, the long osmosis pipes can be rapidly detached from the reverse osmosis pipes so that a reverse osmosis membrane can be cleaned or replaced in time, sewageobtained after the long osmosis pipes are cleaned is collected through the sewage cleaning mechanism, and only the reverse osmosis pipes need to be replaced with the sewage cleaning pipe; and then theservo motor is started to drive the sewage cleaning shovel to shovel off attachments on the inner walls of the long seepage pipes, the automation efficiency is high, and a large amount of working time is saved.

The invention discloses a cracked celadon cosmetic bottle processing technology with non-cracked glaze on the inner surface, which comprises the following steps: a) blank making, b) slurry preparation, c) blank forming, d) blank firing and e) inner glaze Slurry configuration and outer glaze slurry configuration and other steps, compared with the prior art, the present invention applies Longquan celadon to the field of cosmetics, which can not only ensure that the cosmetic bottle does not leak when storing liquid cosmetics, but also obtain exquisite, unique and elegant glazed surfaces. The appearance effect of the cosmetic bottle improves the display of the cosmetic bottle, which is convenient for domestic and international market promotion of cosmetics; The glaze has no cracks, and long-term storage of cosmetics can prevent them from entering the bisque. At the same time, the outer wall has the decorative effect of celadon cracked glaze. After being used to hold cosmetics, it is endowed with local and even Chinese characteristics in Lishui Province, which greatly improves the product. grade.

The invention relates to the method for installing an externally connected hose of a toilet bowl in bathroom decoration engineering and further relates to a combined spanner special for the externally connected hose. An installation spanner special for the externally connected hose of the toilet bowl is not available on the market currently. Due to the fact that the installation space around the toilet bowl is narrow, force can not be exerted in the direction perpendicular to the axial direction of connection of a loose joint nut through a common spanner, and assembly and disassembly are conducted for multiple times, so that connecting pieces such as an angle valve are prone to damage. The loose joint nut on the externally connected hose is tightly pressed through the combined spanner special for the externally connected hose, so that assembly and disassembly of the loose joint nut is convenient like those of a butterfly nut.

The invention relates to a method for manufacturing a conducting solution simulation test model for studying a three-dimensional seepage field of a dam, which is characterized in that the conducting solution simulation test model integrates the terrain, the dam structure, the measuring point and other arrangements into a whole and can meet the test requirement without rotating and cutting a prototype. The conducting solution simulation test model is used for point testing and three-dimensional seepage surface arranging and overcomes the defects that a traditional model needs to penetrate through an internal structure to collect information on the elevation and the potential of the seepage surface; a seepage preventing ring made of strip-shaped watertight soft material ensures that the conducting solution of the conducting solution simulation test model can not seep and an electric field of the conducting solution simulation test model is undistorted; and the conducting solution simulation test model is made of conventional material, is strongly intuitive in appearance and is convenient for test, measurement and repair.

The invention discloses a processing technology for pipe fittings, which is used to manufacture three-way pipe fittings on aerial drones, comprising the following steps: a) preforming, b) annealing treatment, c) cold extrusion, d) shaping, e) surface polishing Shot processing; the present invention adopts advanced hot die forging and cold extrusion processing, which has high dimensional accuracy, small surface roughness, good internal metal fluidity, and can form a reasonable linear distribution of fiber flow. Its tensile strength, wear resistance, mechanical The performance is greatly improved; the seamless tee fittings made can effectively prevent the occurrence of air leakage and liquid leakage, with high safety factor and good use effect, which can ensure that the hydraulic oil circuit does not leak; its tolerance and surface roughness can reach Aviation industry standards, and save 40% of raw materials, effectively reduce production costs, can be used in supporting my country's unmanned aircraft supporting, with advanced technology, has market prospects.

The invention discloses a novel double-sealed instrument block valve, and relates to the technical field of industrial automation. According to the novel double-sealed instrument block valve, a sealing ring disposed between an upper valve rod and the inner wall of a valve cover initially ensures the sealing property of the inner wall of the valve cover, at the same time, the sealing ring is further filled with sealing packing so as to fully cover the upper valve rod, the sealing property is further improved, and since the upper valve rod is rotatably connected into the valve cover, the upper valve rod only rotates without generating displacement in other directions, so that only the mutual movement between the upper value rod and the sealing packing in the circumferential direction is generated, and the sealing effect of the sealing packing is more stable and long-lasting. A metal corrugated tube can be both compressed and stretched, the own elastic deformation of the metal corrugatedtube realizes the movement of the valve core, and a medium is completely sealed in a closed cavity formed by the metal corrugated tube and the valve cover, the contact between the medium and the sealing packing is blocked, and no leakage of a packing sealing part is achieved.