30results about How to "Suitable for filling" patented technology

The invention discloses a filling device with a transparent liquid level detection function. The filling device comprises a rack, a conveying belt is arranged on the rack in the horizontal direction,a filling mechanism is arranged above the conveying belt, and a liquid level detection mechanism is arranged on the end of the running direction of the conveying belt. The rack is provided with a shell, the shell is located over the conveying belt, and is used for protecting the filling mechanism. The invention further discloses a use method of the filling device with the transparent liquid leveldetection function. Filling work of the transparent liquid can be achieved, and a liquid level automatic detection device is arranged.

The present invention belongs to the field of hydrogen preparation and energy source technology, and provides a kind of metal boride catalyst with dehydrogenation and hydrogenation characteristic. The metal boride catalyst has the general expression of MxB, where, M is Al, Zr, V, Cr, Co or other metal elements or their combination, and x is 1-4. Into the metal boride, O and / or H may be combined chemically or physically. The catalyst has low cost, excellent hydrogenation activity, and dehydrogenation efficiency up to 96 %. The preparation process of the metal boride catalyst is also provided, and the preparation process includes chemical reaction inside solution to prepare precursor and subsequent two stages of heat treatment. The preparation process is simple and suitable for large scale production.

The invention relates to a controllable filling method for vacuum filling, which comprises the following steps that: an inner needle head (10) of a double-layer needle head is firstly connected with the cavity of a workpiece to be filled to ensure that the inner needle head (10) is connected to the inner part of the hole of a main control room of a needle valve without applying an externally-applied control air pressure to enable the needle valve to be kept in a closing state, the inner needle head (10) of the double-layer needle head is connected with the cavity of the workpiece to be filled, and a closed cavity body is formed by the main control room (6) of the needle valve, the inner needle head (10) and the cavity of the workpiece to be filled; a vacuum-accessing pipe (1) is connected with a vacuum negative pressure, and vacuum pumping is carried out through an outer needle head (12); filling is carried out when a required vacuum degree is achieved; after a liquid material is filled in the cavity body of the workpiece to be filled, positive-pressure nitrogen gas is accessed by using the vacuum-accessing pipe (1), the nitrogen gas reaches the open hole of the filled workpiece through the outer needle head (12), and the liquid material in the inner needle head is pressed back to a liquid-material storing room (9) under the pressure of the nitrogen gas; and the controllable filling method can be used for the connection of a vacuum-filling pipeline and the open hole of a filled device.

The invention discloses a small-sized vacuum filling device with a controllable filling speed. The small-sized vacuum filling device comprises a filling speed control valve, a liquid material container, a two-way control valve, a three-way control valve and an air or liquid conduction pipe. The filling speed control valve is a reducing valve or a needle valve; the upper end of the liquid materialcontainer is provided with a sealed container with two small holes; a liquid material is filled into the container; an air or liquid conduction pipe is inserted into each of two holes and the holes are sealed; one of the two conduction pipes is connected with a four way and the other one is connected with a three-way valve; the air conduction pipe connected with the four way is positioned above the liquid level, and the air conduction pipe connected with the three-way control valve is positioned below the liquid level; one end of the four way is connected with the container, the other three ends of the four way are connected with the reducing valve or the needle valve, a pressure gage, and a two-way valve respectively; one end of the reducing valve or the needle valve is connected with the four way, and the other end of the reducing valve or the needle valve is connected with atmosphere; one end of the two-way valve is connected with one end of the four way and a vacuum extraction pipe; an end 1 of the three-way valve is connected with the liquid material container, an end 2 of the three-way valve is connected with the vacuum extraction pipe and an end 3 of the three-way valve is connected with a workpiece to be filled; and the two-way valve, the three-way valve and the air conduction pipe of the vacuum extraction pipe are connected by a T-shaped air conduction pipe.

The invention relates to a silibinin slow release micropill with double layers of coatings. The silibinin slow release micropill is formed by a hollow pill core outside which the double layers of coatings are wrapped, wherein the first layer of coating forms a silibinin solid dispersion micropill and comprises silibinin, a solid dispersion carrier, a solubilizer and a sticky-resisting agent which are wrapped outside the hollow pill core so as to form the silibinin slow release micropill; the second layer of coating is formed outside the silibinin slow release micropill and comprises a slow release material, a lubricant and a plasticizer which are wrapped outside the silibinin slow release micropill so as to form silibinin slow release micropill with double layers of coatings. The silibinin slow release micropill provided by the invention is simple and convenient in preparation method, high in industrialized potential, stable in medicine release after being taken orally and high in bioavailability, and has a certain slow release effect.

The invention relates to a solid vacuum insulation ring network cabinet and a manufacturing method thereof. The ring network cabinet comprises a housing, a vacuum interrupter load switch, an isolator, three sets of fuses, a grounding device, a mechanical transmission device, and a bus. The vacuum interrupter load switch consists of an arc-extinguishing-flame-retardant-ceramic-made housing, a fixed power connection unit, a moveable power connection unit and a vulcanized silicone rubber. The arc-extinguishing flame retardant ceramic is further formed in such a way that a nano-alumina fiber is mixed with a silicon dioxide fiber and zirconium dioxide powder under high pressure and dense sintering. The housing is provided with an insulation elastic component, whose end head is connected with a tempered glass joint's elastic element. The gap part utilizes ethyl formate resin for insulation sealing. The isolator is of a three-joint structure with two joints connected with the bus and the other one connected with the grounding device. The solid vacuum insulation ring network cabinet proposed by the invention can realize the operation and linking of circuit disconnection, arc-extinguishing and isolation. The service lifetime of the cabinet is long and it can be used outdoors for a long time. The housing of the vacuum interrupter load switch is not easy to be deformed, does not go rusty and has a low expansion coefficient.

The invention discloses a supplementary grouting material. The supplementary grouting material is mainly prepared from a denitrifying bacteria solution and a mixed salt solution, wherein the mixed salt solution is prepared from nutritive salt, a carbon source, a nitrogen source, a calcium source and deionized water, and the nutritive salt is mainly monopotassium phosphate, magnesium sulfate heptahydrate and sodium chloride. The invention further discloses a grouting method of the supplementary grouting material; the method comprises the following steps that 1, the denitrifying bacteria solution and the mixed salt solution are evenly mixed to prepare the supplementary grouting material; 2, a peristaltic pump is adopted for pouring the supplementary grouting material prepared in the step 1 in a stratum for supplementary grouting. Slurry of the supplementary grouting material does not contain solid particles, is good in mobility and low in viscosity, has good groutability performance forthe dense stratum, can diffuse and infiltrate the stratum without large grouting pressure, has small disturbance to the stratum, and is suitable for filling a grouting blind area.

The invention discloses a pressure-proof sealing oil injector which comprises an oil outlet pipe nut, an oil outlet valve nut, a steel wire pressure-proof hose, a one-way oil outlet valve, an injection plug sleeve oil inlet, an injection plug sleeve, an injection plug rod, a connecting plate, a lever and handle, a hinge shaft, a lever bracket, a sealing oil cavity, an oil pressing piston, a compression spring, an oil injector housing, a threaded gland, a hinge pin and an electric heating device. The pressure-proof sealing oil injector is characterized in that the oil injector housing is internally provided with the injection plug sleeve; the injection plug sleeve is provided with the injection plug sleeve oil inlet; the injection plug rod is arranged in the middle of the injection plug sleeve; the one-way oil outlet valve is arranged at the front end of the injection plug sleeve, and is connected with the oil outlet valve nut of the steel wire pressure-proof hose; the connecting plate is arranged at the tail end of the injection plug rod, and is in hinge connection with the lever and handle; the lever bracket is arranged at the front end of the oil injector housing, and is hinged to the lever and handle by using the hinge shaft; the injection plug rod makes reciprocating motion; the sealing oil cavity is formed in a front area in the oil injector housing, and is used for storing sealing oil; the oil pressing piston, the compression spring and the threaded gland are arranged in a rear area in the oil injector housing; and the electric heating device is arranged on the outer surface of the oil injector housing for heating. Oil injection operation is carried out immediately after a power supply is disconnected, and the pressure-proof sealing oil injector is ideal.

The invention provides alkaline powder for treating leaked hydrochloric acid and acid mist of the leaked hydrochloric acid and a preparation method of the alkaline powder. The alkaline powder is prepared from a neutralizer, an aid, a volatilization inhibitor, a moisture-proof agent, a dispersant and an indicator in a certain ratio by a specific method. The raw materials for preparing the alkaline powder are readily available, wherein a part of raw materials are reutilized wastes; the preparation method is simple, convenient and low in energy consumption; and the prepared powder has good moisture-proof performance, does not cake, and has good settling performance after being sprayed. The alkaline powder can be used for effectively treating the leaked sulfuric acid of which the concentration is 20 to 38 percent or more, can inhibit the volatilization of the hydrochloric acid and arrest the acid mist gas generated by the leaked hydrochloric acid, has the advantages of high neutralizing speed, simplicity and convenience in endpoint judgment and the like, and can effectively inhibit the volatilization of the hydrochloric acid gas; and the residue after the treatment is grey, loose and easy to clean or is easily sucked by negative pressure.

The invention discloses a filling liquid level control device and a control method thereof and belongs to the technical field of liquid filling. The filling liquid level control device comprises a lower star wheel protecting plate, a fixing plate and an extruding wheel. The extruding wheel is close to a body of a filling bottle and detachably fixed to the upper surface of the fixing plate. The fixing plate is fixed to the upper surface of the lower star wheel protecting plate. After filling of the filling bottle is finished and before a cover is rotated, the extruding wheel is utilized for extruding the filled body of the bottle, the excessive water level in the bottle body can be forced to be extruded out, and the device is suitable for filling liquid which allows to be wasted a little and is low in raw material cost.

The invention relates to a large-liquid holdup catalytic-reaction rectifying tower plate which consists of a downcomer 1, an overflow weir 2, a partition plate 3, a U-shaped tower plate with a mass transfer element 9 and a liquid holding pot 5, wherein the liquid holding pot 5 is attached on the horizontal line of the U-shaped tower plate 4, the upper edge of the liquid holding pot 5 is slightly higher than the U-shaped tower plate but is lower than the overflow weir 2, and one side wall of the liquid holding pot 5 is used as a tower wall 10; the partition plate 3 divides the U-shaped tower plate into two parts and extends to the middle lower part in the liquid holding pot 5 which is partitioned into a dropping catalytic zone 6 and a lifting catalytic zone 7, and the partition plate 3 is connected with the tower wall. The middle lower part of the liquid holding pot 5 is provided with a screen plate, a screen or a grille as a catalyst support for partitioning a liquid holding zone intoa catalytic reaction zone and a liquid horizontal channel 8, and the catalytic reaction zone can be filled with a catalyst. The liquid holdup and the residence time of the tower plate of the invention are 1.5-3 times those of the traditional tower plate.

The invention provides alkaline powder for treating leaked sulfuric acid and a preparation method of the alkaline powder. The alkaline powder is prepared from a neutralizer, an aid, a heat absorbent, a moisture-proof agent, a dispersant and an indicator in a certain ratio by a specific method. The raw materials for preparing the alkaline powder are readily available; the preparation method is simple, convenient and low in energy consumption; and the prepared powder does not cake, and is low in moisture absorption and good in settling performance after being sprayed. The alkaline powder can be used for effectively treating the leaked sulfuric acid of which the concentration is 50 to 98 percent or more; and the treatment process has the characteristics of high response speed, low temperature rise, secondary harm prevention, simplicity and convenience in endpoint judgment and the like.