31results about How to "Avoid leakage etc." patented technology

The invention relates to the technical field of medical nursing instruments, and provides a lie-in-bed defecation nursing instrument. The lie-in-bed defecation nursing instrument comprises a main machine and a lying defecation device connected with the main machine. The main machine is provided with a negative pressure machine, a sewage barrel, a washing system and a control device. The negative pressure machine is connected with the sewage barrel, and the lying defecation device comprises an elastic wearing part worn on the buttocks of the human body. The wearing part is provided with an excrement containing port corresponding to the anus of the human body, the outer side of the wearing part is provided with an excrement collecting hopper corresponding to the excrement containing port, the excrement collecting hopper is provided with a flushing hole, the sewage barrel and the washing system are respectively connected with the excrement collecting hopper, the excrement collecting hopper is provided with an excrement sensor, and the excrement sensor and the washing system are respectively and electrically connected with a control device. The lying defecation device further comprises an expanding mechanism which is arranged on the outer side of the wearing part and can enable the part, located at the excrement containing port, of the wearing part to elastically move towards the two sides to enable the anus of the human body to be opened, and when the anus is opened, a patient can defecate more smoothly, and washing is cleaner.

The invention provides a construction method for the overlap joint of geosynthetic clay liners by using a photocuring technology. The method comprises the steps that water-soluble ultraviolet light curable resin and photoinitiator are sprayed on the surfaces of the geosynthetic clay liners in sequence, the photoinitiator is irradiated by using ultraviolet light to trigger the curing of the water-soluble ultraviolet light curable resin, and the overlap joint between the geosynthetic clay liners is achieved. The method is simple in technology and low in cost, the overlap joint can be achieved between the geosynthetic clay liners and other materials and among the geosynthetic clay liners in a construction process by using the photocuring resin, the overlap joint effect is good, and leakage does not occurs easily.

The invention relates to a cover body structure of a fragile bottle body. An elastic pad is mainly arranged on the top of a cover cavity of a cover body, and a stainless steel lining is accommodated inside the cover cavity of the cover body. The liner is movably arranged between the elastic pad on the roof of the covering cavity and the joint of the bottle mouth at the bottom of the cavity, therefore, when the cover structure of the fragile bottle of the present invention is covered on the bottleneck of the fragile bottle When using the design that the stainless steel liner can be moved in the covering cavity, the stainless steel liner can be adjusted to an appropriate closing angle with the movement of the upper end of the uneven bottle mouth, and the upper end of the bottle mouth can be tightly covered, thus , which can avoid the leakage of the contents of the bottle; in addition, since the present invention uses a stainless steel lining to fit the upper end of the bottle mouth, when the contents of the bottle flow to the bottle mouth and contact the stainless steel lining, No plasticizers and other toxic substances will dissolve into the contents, so as to improve the hygiene and safety of food.

The invention belongs to the radioactive source preparation technology, and particularly relates to a deposition device for preparing a high-resolution alpha radioactive source through a magnetohydrodynamics electro-deposition method. The deposition device structurally comprises a deposition tank body containing deposition liquid. A permanent magnet is arranged on the outer side of the deposition tank body. An anode wire stretches into the deposition liquid from the top of the deposition tank body. The bottom of the deposition tank body is sealed through a threaded bottom cover. A hole is formed in the center of the threaded bottom cover. A cathode guide-out gasket and a cathode deposition source sheet are sequentially arranged in the threaded bottom cover at the bottom of the deposition tank body from bottom to top. The cathode guide-out gasket is in close contact with the cathode deposition source sheet. The bottom of the cathode guide-out gasket is connected with a cathode guide-out wire. The cathode guide-out wire is guided out of the hole of the threaded bottom cover and connected with the negative pole of a power source. According to the deposition device, the shield function of distance, matter and the like on a magnetic field is reduced to the greatest extent, and therefore the positive function of the added magnetic field on deposition can be fully achieved, and the energy resolution of the prepared source can be greatly improved.

The invention relates to a cap structure for a fragile bottle. An elastic pad is arranged on the top of a covering chamber of a cap body, and furthermore a stainless steel lining is accommodated in the covering chamber of the cap body. The stainless steel lining is movably arranged between the elastic pad at the top of the covering chamber and a bottle opening combining part at the chamber bottom.Therefore, when the cap structure for the fragile bottle according to the invention covers the bottle opening of the fragile bottle, by means of a design that the stainless steel can perform movabledisplacement in the covering chamber, the stainless steel lining can cooperate with the upper end of a nonsmooth bottle opening for being adjusted to a proper covering angle, thereby realizing tight covering of the upper end of the bottle opening. Therefore, leakage of a contained object in the bottle body can be prevented. Furthermore, because the stainless steel lining is utilized for abutting against the upper end of the bottle opening, the condition of dissolving of toxic substances such as plastifier into the contained object can be prevented when the contained object of the bottle body flows to the bottle opening and contacts with the stainless steel lining, thereby improving eating sanitation and safety.

The invention discloses a domestic wastewater secondary utilization device, which comprises a first box body, wherein a first through hole is kept in the middle of the top surface of the first box body; a first vertical pipe is arranged in the first through hole; the first vertical pipe is fixedly connected to the first through hole; four vertical elastic telescopic rods are arranged at the periphery of the lower end of the first through hole; the four elastic telescopic rods are uniformly distributed around the central axis of the first vertical pipe; vertical rods are fixedly arranged at thelower ends of the elastic telescopic rods; the vertical rods are coaxial with the center lines of the corresponding elastic telescopic rods; transverse shafts are arranged between the upper and lowerends of two adjacent vertical rods; and two ends of the transverse shafts are movably connected to bearings between sides of the corresponding vertical rods. According to the domestic wastewater secondary utilization device provided by the invention, partial kinetic energy, which is generated in a power generating process, is applied to automatic necking-down of garbage bags, so that work of working personnel on opening tying is avoided, and subsequently, such circumstances as garbage leakage in the garbage bags and the like due to faults in work can be prevented and working efficiency of theworking personnel can be improved; the domestic wastewater secondary utilization device is applicable to communities in villages and towns that systematic blow-down pipelines are in lack; and the domestic wastewater secondary utilization device can save energy and protect environment.

Disclosed is a heat-radiating internal-circulation power generation device, comprising a solar energy tube (5), three high-positioned expansion reservoirs (6-1, 6-2, 6-3), a low-positioned oil storage reservoir (25), three circulation pumps (8-1, 8-2, 8-3), an energy storage tank (7), a constant temperature furnace (12), a condensed water expansion tank (10), a high pressure plunger pump (13), a high pressure atomizing device (14), a steam generator (15), a steam storage tank (18), a steam turbine (19), a power generator (20), a circulating steam duct (21), a steam condenser (22) and a condensed water pipe (23). In the energy storage tank (7), a saline solution is used as an energy storage medium. Complementary heating of heat conductive oil with other multiple energy sources and solar energy is achieved by the constant temperature furnace (12). The steam generator (15) has layers of annular sealing ducts and the heat conductive oil circulated within the system conducts heat to the steam generator (15), such that an atomized moisture flow is instantly converted into high temperature and high pressure steam to arrive at a critical effect. The present device has the advantages of a long service life and easy maintenance, and is applicable in the fields of large-, middle- and small-scale power generation.

The invention discloses a method for synthesizing 2-isopropylnaphthalene, and belongs to the technical field of organic synthesis applications. Naphthalene is preheated as fluid A, alkylating agent as fluid B, and chloroaluminate ionic liquid as fluid C, and the three fluids are sent into the microreactor synchronously; The reaction is carried out in the microreactor, and the 2-isopropylnaphthalene product is obtained after the effluent liquid is processed. The method is easy to operate, does not use organic solvents, the process is safe, controllable and environmentally friendly, the catalyst is easy to separate, the conversion rate of naphthalene is 100%, the selectivity of the product 2-isopropylnaphthalene is more than 98%, and the 2-isopropylnaphthalene product can be continuously produced .