9results about How to "Impede flow" patented technology

The application discloses a power cabinet with a leakage monitoring structure and relates to the technical field of power cabinets.The power cabinet with the leakage monitoring structure comprises an equipment frame, a supporting plate is fixedly arranged in the equipment frame, an electric push rod is fixedly arranged on one side away from an output end of the equipment frame, and a limiting device comprises a square block, a circular plate, a wiring head, an electric wire, a fixing plate, a limiting block, an L-shaped plate, a square block and a wiring frame.The square block is slidably arranged above the supporting plate, the wiring head is fixedly penetrated through inner and outer walls of the square block, and the power cabinet with the leakage monitoring structure can be detected only after being limited, so that the power cabinet can be overhauled or operated in a safe state, the safety of operators is maximally ensured, and the internal electrical equipment can be better protected and the risk of equipment damage caused by leakage can be reduced.

The invention discloses a concrete and a preparation method thereof, and relates to the field of concrete, wherein a concrete comprises the following raw materials in parts by weight: 200-300 parts of cement; 1800-2000 parts of aggregate; 32-45 parts of fly ash; 65-80 parts of mineral powder; 80-200 parts of admixture; 5-15 parts of water reducer; 150-230 parts of water; wherein the admixture comprises an aluminum-hydrotalcite composition, and the mass ratio of aluminum to hydrotalcite is 15-20:1. The invention has the advantages of preparing a porous thermal insulation performance and a chloride ion corrosion resistance performance.

The utility model discloses a greening box for municipal engineering, and relates to the field of municipal engineering, the greening box comprises a liquid storage box, a greening box main body is arranged at the top of the liquid storage box, a dredging assembly is arranged at the upper part in the liquid storage box, and the dredging assembly comprises a motor shell arranged at the back of the liquid storage box and a plurality of sliding rods arranged at the upper part in the liquid storage box; a sliding plate is connected between every two sliding rods in a sleeved mode, and a water guide plate is connected between the two sliding plates. Through the arrangement of the dredging assembly, when the water through hole needs to be dredged, the motor can be started, the motor works to drive the cam to rotate, the cam drives the rotating plate to rotate, the rotating plate pushes the water guide plate to move upwards, and the water guide plate drives the dredging rod to move upwards, so that the dredging rod moves into the water through hole and penetrates through the water through hole; therefore, the purpose of dredging the water through hole can be achieved, the situation that subsequent rainwater is difficult to flow into the liquid storage tank through the water through hole due to the fact that the water through hole is blocked by a gravel layer is prevented, and then the rainwater collecting efficiency is improved.

The application belongs to the technical field of medical supplies, and particularly relates to a lumbar cistern drainage and medicine administration device which comprises a connecting seat, a liquid storage bag, a catheter, a guide puncture needle and a puncture needle. After the insertion end of the guide puncture needle enters the subarachnoid space, the temperature of the cerebrospinal fluid increases the temperature of the first limiting part, and then the first limiting structure becomes an arched curve shape, and then the side wall of the first limiting part arches, and then the catheter in the subarachnoid space is prevented from moving out of the subarachnoid space, and at the same time, the catheter reserved below the partition plate is moved outward, and then the development needs are compensated through the reserved catheter, and then the catheter is prevented from being separated from the subarachnoid space. When the catheter needs to be taken out, low-temperature normal saline is slowly injected into the catheter through the liquid storage bag, and then the temperature of the catheter is reduced, and then the temperature of the first metal sheet is reduced, and then the first limiting structure becomes a straight line shape, and then the first limiting part is contracted, and then the catheter is conveniently pulled out.

The utility model relates to microorganism strain proportioning technical field discloses a kind of experimental devices for microorganism strain proportioning, including jar body, installation position is opened in jar body;Mixed component, mixed component is set in jar body, and mixed component is used to proportion and mix to microorganism strain, and mixed component includes driving motor, movable frame, auger shaft and fixed block, driving motor is fixedly connected with jar body, movable frame is set in jar body, movable frame is drivingly connected with driving motor, auger shaft array is set in jar body, each auger shaft is drivingly connected with driving motor, multiple fluid effects are formed by the cooperation of mixed component internal parts, under the cooperation of multiple fluid effects, avoid in stirring Large amount of foam covers liquid surface to hinder oxygen dissolving, lead to aerobic bacteria growth is limited;Foam layer hinders liquid flow, causes local strain or nutrient concentration difference;Foam occupies reactor space, reduces actual utilization rate and other problems.

The utility model discloses an efficient precipitation filtering tower which comprises a filtering box and a square-to-round flange, the square-to-round flange is fixedly connected to the upper end of the filtering box, a connecting shell is arranged at the bottom of the filtering box, a precipitation box is arranged at the lower end of the connecting shell, and a sludge hopper is connected to the bottom of the precipitation box. A water collecting hopper is arranged at the bottom of the filtering box, a filtering and material removing mechanism is arranged in the filtering box, a self-driven mixing mechanism is arranged on the water collecting hopper, a flow restraining plate is connected to the inner wall of the settling box in a sliding mode, a buffer spring is arranged at the upper end of the flow restraining plate, and supporting plates are fixed to the two sides of the inner wall in the filtering box. A filter element is connected to the filter box in an inserting and pulling mode, the filtering and material removing mechanism comprises a filter plate, a spiral conveying roller, a shaft seal, a support and a gear motor, and the self-driven mixing mechanism comprises a fixing rod, a limiting rotating ring, a stirring rod and a worm wheel blade. The utility model belongs to the technical field of environment-friendly water treatment, and particularly relates to an efficient precipitation filtering tower.

This utility model discloses a sample box for metallurgical temperature measurement and sampling, comprising a first shell and a second shell; each of the first and second shells has a semi-cavity structure on its opposite side, and a semi-open structure on the side of each semi-cavity structure. The semi-cavity structure and the semi-open structure, after being connected to the first and second shells, respectively form a sampling cavity and a sampling port communicating with the sampling cavity. The first and second shells are connected by a positioning structure; the positioning structure includes a positioning groove and a positioning protrusion, and an internal and external pressure balance hole communicating with the sampling cavity is provided at the connection between the positioning groove and the positioning protrusion. This utility model effectively prevents leakage of high-temperature molten metal through the sealing structure formed by the annular step and the annular protrusion, enhances the stability of the shell connection by combining the positioning connection method, and the pressure balance hole automatically adjusts the internal and external pressure of the cavity, avoiding the obstruction of sample flow due to negative or positive pressure.

The utility model relates to the technical field of quartz sand processing, in particular to a powder iron remover for quartz sand processing, which comprises a support and an iron removal component. The iron removal assembly comprises a magnetic cylinder, a turning shaft, a collecting bin, a scraping plate and a driving component, during use, quartz sand is added to the high side of the magnetic cylinder, the quartz sand slides to the low side of the magnetic cylinder under the action of gravity, and in the process, the driving component is started to drive the magnetic cylinder and the turning shaft to rotate, so that the quartz sand is removed. The magnetic cylinder drives the quartz sand in the magnetic cylinder to continuously rotate, so that the quartz sand powder fully rolls and rubs on the inner wall of the magnetic cylinder, the contact opportunity of iron impurities and the inner wall of the magnetic cylinder is increased, and the iron removal effect is further improved; and meanwhile, the quartz sand powder in the magnetic cylinder is turned over through rotation of the turning shaft, the contact area of the quartz sand powder and the inner wall of the magnetic cylinder is further increased, and the adsorption efficiency of the iron impurities is improved.

The utility model discloses a heat treatment device for spring steel wire production, which comprises a treatment box body, the bottom of the treatment box body is fixedly connected with foot pads close to four corners, the outer surface wall of one side of the treatment box body is fixedly communicated with a water inlet pipeline, and the outer surface wall of the other side of the treatment box body is fixedly communicated with a drainage pipeline. Two side plates are fixedly connected between the inner surface walls of the two sides of the treatment box body, a plurality of filtering holes are formed in the outer surface walls of one sides of the two side plates, a containing mechanism is fixedly arranged at the top of the treatment box body and comprises two vertical plates, and the bottoms of the vertical plates are fixedly connected with the top of the treatment box body; and a first sliding groove is formed in the outer surface wall of one side of each vertical plate. The utility model relates to the technical field of spring steel wire production. The utility model solves the problem that the subsequent production quality of the spring steel wire is affected as the spring steel wire subjected to oil temperature quenching is frequently and not thoroughly cleaned in cooling water in actual production.