50results about How to "Will not silt" patented technology

The invention relates to a liquid-cooled heat exchanger based on a spiral structure, solving the problems of effectively reducing the temperature of an electrolyzed gas-liquid mixture and preventing device corrosion when hydrogen and oxygen are prepared by electrolytic water. The heat exchanger comprises a cooling chamber, a radiating pipe, an inner pipe and a bracket, wherein the cooling chamber is a sealed container, and both ends of the cooling chamber are provided with an inlet and an outlet; the radiating pipe is positioned in the cooling chamber, both ends of the radiating pipe are respectively used as an inlet and an outlet, and both the inlet and the outlet extend out of the cooling chamber by through holes of the cooling chamber; a body of the radiating pipe is in a ripple structure, and both the inner surface and the outer surface of the pipe are provided with ripples; the part of the radiating pipe, which is positioned in the cooling chamber, is in a spiral structure and is positioned between the inlet and the outlet of the cooling chamber; and the radiating pipe as well as the inlet and the outlet of the radiating pipe are made of steel or stainless steel. The liquid-cooled heat exchanger has favorable radiating effect and is difficult to interfere by the external environment.

The invention relates to a sill slider device of an elevator door. The sill slider device is arranged in a sill groove of an elevator and comprises a sill slider and a connecting plate. The connecting plate is connected to the slider; the sill slider is arranged in the sill groove, at least one side, which corresponds to a groove surface of the sill groove, of the sill slider is provided with an elastic border, the borders are in contact with the corresponding groove surfaces of the sill groove in a pressure manner and accordingly movably elastically deform towards the inner sides of the borders, and the sill slider can be seamlessly slidably connected into the sill groove. The sill slider device has the advantages that the sill slider is provided with the elastically deformable borders, and can be seamlessly slidably connected into the sill groove, seams between the slider and the sill groove can be constantly and assuredly prevented even if the corresponding borders are abraded due to frequent sliding of the slider, and the elevator door can assuredly stably run without noise; the sill groove can be cleaned under the sliding action of a cleaning element, so that jamming faults due to garbage deposits in the sill groove can be prevented; the cleaning element is quite convenient to replace.

The invention relates to a multi-path heat exchanger for blast furnace slag flushing water, and the multi-path heat exchanger is of a welding plate structure. Multiple heat exchange units are assembled and stacked into a heat exchange plate bundle, each heat exchange unit comprises multiple horizontally-placed heat transfer plates, one side of the heat transfer plate is provided with a slag flushing water channel, the other side of the heat transfer plate is provided with a secondary water channel, one side of the slag flushing water channel is contactless, each slag flushing water channel is folded through slag flushing water pipe boxes connected to the two ends of the heat exchange plate bundle so as to form a contactless single-channel slag flushing water heat exchange flow path, and the heat exchange plate bundle assembled and stacked by multiple heat exchange units forms multiple contactless single-channel slag flushing water heat exchange flow paths which are connected in parallel; the outer side of a flat cover of each slag flushing water pipe box is provided with a slag flushing water diversion box, and the slag flushing water diversion box realizes the functions of flow diversion, flow collection, adapter tube importing and exporting, disassembling and flushing through an inlet and an outlet of a slag flushing water channel on the flat cover of the pipe box; and two pairs of secondary water pipe boxes are arranged on both sides of the heat exchange plate bundle. The structure of the heat exchanger can be used for solving the blocking problem caused by slag flushing water; and the heat exchanger is long in operation cycle, convenient to flush, compact in structure and high in heat transfer efficiency.

The invention discloses a separate system type initial rainwater regulation and storage pool. The separate system type initial rainwater regulation and storage pool is characterized by comprising a natural water drainage unit and a buffer regulation and storage unit which are arranged in the water flow direction, the natural water drainage unit comprises a first buffer pool and a first hydraulic automatic tilting gate, a water inlet pipe is arranged on the upstream part of the first hydraulic automatic tilting gate in the first buffer pool, a natural water drainage outlet is formed in the downstream part of the first hydraulic automatic tilting gate in the first buffer pool, the buffer regulation and storage unit comprises a second buffer pool communicated with the first buffer pool, and a regulation and storage pool body, and the second buffer pool is communicated with the regulation and storage pool body through a second normally-open hydraulic automatic gate. According to the separate system type initial rainwater regulation and storage pool, initial rainwater separation is achieved, rainwater drainage is controlled and regulated according to the different rainfall amount, pollution caused when initial rainwater is directly drained and water accumulation in towns are effectively prevented, the structure is simple, the cost is low, full-automatic control can be achieved, manual operation is not needed, and regulation and storage are safe and reliable.

The invention discloses a waterproof and leakage-proof expansion joint for a roof, and belongs to the technical field of constructional engineering. The waterproof and leakage-proof expansion joint comprises constructional joint parapet walls, an aluminum alloy panel, an aluminum alloy water guide groove and a water stop belt, the aluminum alloy panel is formed by connecting a fixed side plate, an inclined panel and an eave shielding side plate, the inner side of the aluminum alloy panel is further connected with a movable partition plate device, the water stop belts is arranged on the structural joint parapet walls in a lap joint mode, the aluminum alloy water guide groove presses the two sides of the water stop belt and is fixed to the structural joint parapet walls, the fixed side plate is fixed to the first parapet wall, the inclined face plate covers gaps between the two corresponding structural joint parapet walls, the eave shielding side plate extends out and is suspended outside the outer side wall of the second parapet wall, and meanwhile, the movable partition plate device is placed on the upper surface of the second parapet wall, so that the waterproof and leakage-proof expansion joint for the roof is formed. The waterproof and leakage-proof expansion joint for the roof has the beneficial effects that a three-stage waterproof structure and an anti-deformation structure are adopted, deposition and leakage can be avoided, and a structural body is allowed to deform along with the deformation of the expansion joint.

The invention relates to a rainwater runoff pollution sewage interception facility and a sewage interception operation method. An integrated facility main body is in a barrel shape. Two sides of the upper part of the facility main body are provided with a water inlet pipe and a water outlet pipe. The water inlet pipe has an inclination angle and is inserted in the facility main body, and is tangent with the peripheral body of the facility main body and is inserted into an inner wall. A supporting frame in the facility main body is provided with a guide cylinder. Rainwater forms an eddy state between the inner wall of the facility main body and the guide cylinder, to generate centrifugal force. Foreign matters in rainwater fall into a sediment collecting region from a lower ventage of a guide plate, and the foreign matters are discharged after a slag-drip opening is opened. The facility is simple in structure, good in reliability, and simple in installation and maintenance. Improvement on an original initial rainwater sewage interception device improves interception and processing efficiency of rainwater runoff pollution, and a filter layer in a water outlet pipe can fully filter surplus pollutants, and the improved facility main body still keeps integrated. The facility is convenient in installation and overhaul, and just needs regular checking and dredging and pollution discharge.

The invention discloses a novel storage battery plate clearing device which comprises a bracket, a rotating shaft and a water spray nozzle, wherein the rotating shaft which drives a polar plate to transport is arranged on the bracket; the water spray nozzle is arranged on a rack and is used for cleaning the polar plate; the interior of the rotating shaft is hollow; air outlet holes with uniform distribution are formed in the rotating shaft; an air delivery pipe is arranged on the bracket and is connected to each rotating shaft; the other end of the air delivery pipe is connected to an air compressor; and a limiting plate is arranged above the rotating shaft. According to the device disclosed by the invention, the residual plaster on the polar plate is cleared in a mode of combining the operation of performing air injection on the polar plate from the interior of the rotating shaft and the operation of spraying water outside the polar plate, the clearing effect is beneficial, and the clearing device does not need to be replaced, so that the production cost is low. Moreover, the residual plaster is not deposited on the rotating shaft by virtue of air pressure, so that the rack is clean, the polar plate transport environment is improved, and the residual plaster can be collected and reutilized by virtue of a recycling box.

The invention relates to a recycling and stirring device for slitter edge offcuts of a film laminating machine. The recycling and stirring device comprises an offcut hopper, a mixing bin, a feeding screw, a stirring device and a driving device, wherein the offcut hopper is arranged in the center of the mixing bin; the driving device is arranged in the center of the outer side of the upper part of the offcut hopper; the feeding screw is fixedly connected with the front end of the driving device and is directly inserted to the bottom of the mixing bin; stirring strips are fixed at the top of the feeding screw; a side hopper is fixedly arranged on the side surface of the offcut hopper and is inserted into the mixing bin. The recycling and stirring device for the slitter edge offcuts of the film laminating machine has the benefits as follows: in an on-line composite slitter edge recycling process, the condition that the offcuts and aggregates cannot be sufficiently stirred and form blockage at an inlet is avoided; in the on-line composite slitter edge recycling process, a motor driving the feeding screw can synchronously ascend and descend at the linear velocity of composite, and accordingly, the offcuts in a charging basket cannot be deposited.

The invention discloses a heat exchanger with a corrugated pipe coil structure provided with an internal duct and an external duct, which comprises an inlet, an outlet, a corrugated pipe, a dome, an internal ring bushing, an external ring bushing, a fan and a bracket. When fluid media to be in heat exchange flow in the corrugated pipe in the heat exchanger from the inlet, form a turbulent flow ina pipe wall with a corrugated structure and carry out heat exchange with air in the internal duct and the external duct outside the corrugated pipe via the wall of the corrugated pipe, the fan discharges air in the internal duct and the external duct, and the fluid media are discharged from the outlet after the heat exchange performed in the corrugated pipe in a spiral way. The heat exchanger hasthe advantages of high heat exchanger effectiveness, simple structural technology, light weight, integration, and the like, and the fluid media in the pipe coil after the heat exchange have even temperature, thereby the heat exchanger can be used for heat exchange of air, liquid and air-liquid mixing substances. When the corrugated pipe adopts resistant materials, the heat exchanger can be used for heat exchange for corrosive liquid media.

The invention discloses an LED lamp with a concurrent flow vapor chamber radiator. The LED lamp with the concurrent flow vapor chamber radiator includes an LED light source and the concurrent flow vapor chamber radiator. The concurrent flow vapor chamber radiator includes a concurrent flow vapor chamber, and the concurrent flow vapor chamber includes a flat tube and at least one heat conducting piece. The flat tube is a flat sealing tube with two planes on the upper and lower face and a gap in the middle. The heat conducting piece is arranged in the flat tube and connected with the upper and lower wall of the flat tube, and penetrates through the both ends of the flat tube. The flat tube is divided into a plurality of cavities by the heat conducting piece. Liquid heat conducting working medium is filled into the cavities. The LED light source is arranged on the upper surface of the concurrent flow vapor chamber. The concurrent flow vapor chamber radiator further includes heat conducting fins, and the heat conducting fins are fixed on the outer side of the upward bending position of the concurrent flow vapor chamber. The LED lamp with the concurrent flow vapor chamber radiator has good heat dissipation performance, and is conducive to the miniaturization and lightweight design of the LED lamp of single power source.

The invention discloses a connection structure of an over-long roof of a greenhouse. The connection structure comprises glass, roof lathes, a connecting piece, section 1 and section 2, wherein the glass is provided with the roof strips at positions close to the edge; the connecting piece, the section 2 and the section 1 form an integrated structure; one side of the connecting piece is provided with the section 1 for accommodating the glass edge, while the other side is provided with the section 2 for accommodating the glass edge; the section 2 and the section 1 are arranged in parallel; the section 2 are F-shaped and comprise a support bar, an upper crosspiece I and an upper crosspiece II, and the glass is arranged between the upper crosspiece I and the upper crosspiece II; and the section 1 comprise a lower crosspiece I and a lower crosspiece II between which the glass is arranged. A stepped installation method introduced by the invention plays a part in connection through the connecting pieces, the section 1 and the section 2, so large roof of the glass greenhouse can be designed and installed, wherein the large roof cannot accumulate water and has a water discharge function; and simultaneously, the method plays a part in enhancing the effect of supporting the large roof of the glass greenhouse.

The invention relates to a multi-path heat exchanger for blast furnace slag flushing water, and the multi-path heat exchanger is of a welding plate structure. Multiple heat exchange units are assembled and stacked into a heat exchange plate bundle, each heat exchange unit comprises multiple horizontally-placed heat transfer plates, one side of the heat transfer plate is provided with a slag flushing water channel, the other side of the heat transfer plate is provided with a secondary water channel, one side of the slag flushing water channel is contactless, each slag flushing water channel is folded through slag flushing water pipe boxes connected to the two ends of the heat exchange plate bundle so as to form a contactless single-channel slag flushing water heat exchange flow path, and the heat exchange plate bundle assembled and stacked by multiple heat exchange units forms multiple contactless single-channel slag flushing water heat exchange flow paths which are connected in parallel; the outer side of a flat cover of each slag flushing water pipe box is provided with a slag flushing water diversion box, and the slag flushing water diversion box realizes the functions of flow diversion, flow collection, adapter tube importing and exporting, disassembling and flushing through an inlet and an outlet of a slag flushing water channel on the flat cover of the pipe box; and two pairs of secondary water pipe boxes are arranged on both sides of the heat exchange plate bundle. The structure of the heat exchanger can be used for solving the blocking problem caused by slag flushing water; and the heat exchanger is long in operation cycle, convenient to flush, compact in structure and high in heat transfer efficiency.