50results about How to "Stop the outflow" patented technology

The invention discloses a wall pouring formwork. According to the technical scheme, the wall pouring formwork is characterized in that the wall pouring formwork comprises a formwork body and a sealingstrip arranged on the bottom edge of the formwork, and the sealing strip is made of flexible materials. The wall pouring formwork solves the problem of a rotten root phenomenon appearing in wall pouring.

The invention provides a preparation method for a metal salt / gamma-Al2O3 heat accumulating type catalyst carrier. The preparation method comprises the following steps of: preparing macropore gamma-Al2O3 by adopting aluminum nitrate an aluminum source and modified polystyrene microballoon spheres as a template agent; and soaking the metal to a pore channel of the macropore gamma-Al2O3, thereby finally obtaining the heat accumulating type gamma-Al2O3. According to the obtained metal salt / gamma-Al2O3 heat accumulating type catalyst carrier disclosed by the invention, the metal salt is uniformly and sufficiently distributed in a porous netted structure alumina matrix; a phase-change heat accumulating material is divided into a plurality of micro heat accumulating type units by the alumina pore channel; and the micro heat accumulating units are further used for preventing the molten phase-change material from flowing outwards due to tension action of a capillary tube while improving heat absorption and heat release, thereby not affecting the performances of the catalytic material due to changes of the micro heat accumulating type units as well as the heat accumulation and the heat release.

A light emitting device includes a heat dissipation board, a wiring board that is bonded and fixed to the heat dissipation board and formed with a through-hole, a semiconductor light emitting element that is mounted on a face of the heat dissipation board, the face being exposed through the through-hole of the wiring board, and a light reflecting member that covers a portion of an inner peripheral wall surface of the through-hole of the wiring board, the portion being squarely opposed to a side surface of the semiconductor light emitting element.

The invention discloses a pneumatic double-storage-tank drainage controller, and belongs to the field of storage tank equipment in the chemical industry. The pneumatic double-storage-tank drainage controller is characterized in that a drain valve (71) is an air-to-open valve, and an air-to-close valve (72) is mounted on one side of the drain valve (71) in a serial connection manner; and a liquid level linkage device (5) extends out of a side wall of a sediment water storage tank (1) and is movably connected with a valve control device (4) by a rotary shaft (6), and the valve control device (4) is mounted on the outside of the sediment water storage tank (1), is connected with the drain valve (71) and the air-to-close valve (72) and can drive the drain valve (71) to be opened to drain water or drive the air-to-close valve (72) to be closed to prevent the water or media from flowing out respectively according to the liquid level of the inside of the sediment water storage tank (1). The pneumatic double-storage-tank drainage controller has the advantages that storage tanks can be automatically drained, the work efficiency is improved, a sealing effect is good, leakage of the media can be completely eradicated, and environments and the life safety of workers are protected.

An embodiment of the invention discloses an external pressure capillary electrophoresis interface device and a method of detecting a substance, wherein the device comprises: a capillary having an interface; a sample incoming end of the capillary is connected with a liquid storage bottle, a sample outgoing end of the capillary is connected with a detection module, a pressure application spatial structure is arranged outside the interface, the interface is communicated with the pressure application spatial structure, and a liquid inlet and a negative electrode are arranged in the pressure application spatial structure; a positive electrode is arranged in the liquid storage bottle. The external pressure capillary electrophoresis interface device according to the embodiment has the advantagesthat the pressure application spatial structure is added to the outside of the interface of the capillary, a buffered liquid that is pressurized is utilized, pressure can be applied to the interface to prevent a liquid under detection in the capillary from flowing out from the interface, and detection result accuracy is improved accordingly; the external pressure capillary electrophoresis interface device according to the embodiment has no need for sealing the interface with acetic cellulose, rigidity of capillary is ensured, and the problem of detection result inaccuracy due to the fact thata substance under detection adsorbs to the acetic cellulose can be avoided.

The invention discloses a wall pouring formwork. According to the technical scheme, the wall pouring formwork is characterized in that the wall pouring formwork comprises a formwork body and a sealingstrip arranged on the bottom edge of the formwork, and the sealing strip is made of flexible materials. The wall pouring formwork solves the problem of a rotten root phenomenon appearing in wall pouring.

The present invention relates to the technical field of municipal engineering, in particular to a quick desilting equipment for pipelines used in municipal engineering; the equipment includes: a base plate, a second drive motor, and an external thread rotating pipe; The connecting rod, the second sliding connecting rod, and the ends of the second sliding connecting rod and the first sliding connecting rod that are far away from each other are all hingedly equipped with a strip-shaped mud scraper, and the side of the long strip-shaped mud scraper away from the external threaded rotating pipe is fixed A guide block is installed; the sliding sleeve on the external thread rotating pipe is provided with a circular water retaining plate; under the mutual extrusion of the guide block and the sewage pipe, the present invention can automatically adjust according to the size and diameter of the circular sewage pipe; When the shaped mud scraper is locked, it can protect the strip shaped mud scraper and the driving motor, and at the same time, it can remove the silt on the inner wall of the circular sewage pipe; it is a simple and convenient rapid desilting equipment.

The invention discloses a die-casting part shaping and grinding device and relates to the field of die casting. The die-casting part shaping and grinding device comprises a liquid storage cavity. The top of the liquid storage cavity is fixedly provided with a platform. The top of the left side of the liquid storage cavity is fixedly provided with a rotary table. The top of the rotary table is fixedly connected with a bracket. A motor and a liquid spray cavity are fixedly mounted on the bracket. The right side of the motor is fixedly connected with a rotary shaft. The rotary shaft penetrates through the left sidewall of the liquid spray cavity to be fixedly connected with a rotary disk. The right side of the rotary disk is fixedly connected with a grinding disk. The grinding disk and the rotary disk are provided with a plurality of through holes. The bottom of the liquid spray cavity is fixedly connected with a liquid outlet pipe. The liquid outlet pipe penetrates through the bracket and the rotary table to extend to the bottom of an inner cavity of the liquid storage cavity. The upper portion of the liquid outlet pipe is fixedly provided with a liquid pump. The die-casting part shaping and grinding device can adjusting the angle of the grinding disk, can recover, filter and reutilize used grinding liquid, saves resources and is easy to apply and popularize.