132results about How to "Play a blocking effect" patented technology

The invention relates to a technique used acidity surfactant to remove oil well blocking and its formula and manufacturing method. The feature of the acidity surfactant formula is that its material weight ratio is as follows: polyoxy propylene-polyoxy ethylene glycerin ether 10-40%, polyoxy propylene-polyoxy ethylene phenol amine resin 10-45%, FC-NO1 fluorocarbon surfactant 0.0001%-0.035%, FC-3B fluorocarbon surfactant 0.0001%-0.05%, hydrochloric acid 3-10%, nitric acid 2-10%, and water 30-55%. The feature of the technique is as follows: the made-up 0.4%-0.6% acidity surfactant can be injected from hollow while running; then it can be replaced by 10-20m3 clear water. The invention has good effect and can improve yield.

The invention relates to the field of drying of coal gangue green bricks, in particular to coal gangue green brick drying equipment. The coal gangue green brick drying equipment comprises an outer rack; a drying chamber is installed inside the outer rack; a carrying box is arranged inside the drying chamber; the top of the drying box is provided with an air inlet; the outer wall of the drying chamber is provided with a heat exchange chamber; the edge of an inner frame of the outer rack is provided with a supporting horizontal frame; a heat exchange tube is installed on the supporting horizontal frame; the heat exchange tube is spirally installed on the supporting horizontal frame; the heat exchange tube is inserted into the heat exchange chamber and is attached to the outer wall of the carrying box; the bottom of the drying chamber is provided with a moisture discharging chamber; an exhaust end is installed at the bottom end of the moisture discharging chamber; the side of the exhaustend is connected with a pressurization tube; and a drying box is installed at the bottom of the outer rack. The coal gangue green brick drying equipment provided by the invention achieves a three-dimensional drying effect from inside to outside and increases the flowing speed by quickening flow-in of hot air flow.

The invention provides a folding solar battery sunshade of a laptop. A solar panel covered on a U-shaped folding frame and a shell charges a rechargeable battery pack so as to supply power to the laptop. A frame is processed in a folding way and has a function of shading a display screen. For a user using the laptop outdoors or under the condition of hard light, the folding solar battery sunshade can conveniently supply power by using solar energy and can prevent the hard light from irradiating the display screen when the laptop is used.

The invention provides a basketball competing layup blocking trainer, and relates to the field of sports equipment. The basketball competing layup blocking trainer, a piston plate is arranged on the inner side of the closed pipe, the left side of the closure tube is communicated with a catheter, the left side of the box body is provided with an opposing cavity body, The inner cavity of the opposing cavity is provided with an air bag, the right side of the closed tube is communicated with a connecting tube, the left side of the top of the conductive rod is fixedly connected with a lifting rod,the left side of the top surface of the box is penetrated with a guide sleeve, the top of the lifting rod is connected with a shield, and both sides of the bottom of the box are provided with rollers.The attacker needs to unlock the opposing cavity in order to put the basketball into the basket, Thus, after the air in the air bag passes through the extrusion, the air in the air pressure tube canlower the shielding member and drive the shielding member to rise, so that the rising shielding member can have the effect of shielding the attacking player, and thus the effect during training can beimproved.

The invention discloses a ventilation anti-theft door which comprises a door body, door lock mechanisms, a ventilation channel, a filter screen, a ventilating fan and a seal cover; the door lock mechanisms are respectively arranged on the inner side and the outer side of the door body; the ventilation channel is formed in the door body, and the filter screen covers and is fixed on an opening of the ventilation channel, towards the outside of a house, and the seal cover covers an opening of the ventilation channel, towards the inside of the house; the ventilating fan is arranged inside the ventilation channel and is positioned between the seal cover and the filter screen. The ventilation anti-theft door overcomes the defects that although the anti-theft effect of an existing anti-theft door is improved day by day, the existing anti-theft door is usually made of a metal material and is mostly closed, so that air inside the house cannot be communicated with the outside, and if a window is opened only, the air quality is worse because the indoor air cannot form convection.

The invention relates to a residue conveying device for a building construction project. The residue conveying device comprises a bottom plate, wherein a collecting box is arranged on the bottom plate; a feeding port is formed in the collecting box; a material guiding box is arranged above the feeding port; supporting rods are arranged on the two sides of the collecting box; a rotating shaft whichpenetrates through and is rotationally connected to the supporting rods on the two sides is fixedly arranged on the material guiding box; a dustproof part is arranged between the position, close to the bottom plate, of the material guiding box and the bottom plate; a buffer part used for buffering construction waste entering the material guiding box is arranged in the material guiding box; and amaterial conveying pipe is arranged on the side wall of the material guiding box and located at the position far away from the bottom plate, the material conveying pipe communicates with the materialguiding box, a feeding hopper is arranged at the end part, far away from the material guiding box, of the material conveying pipe, and a dust falling mechanism is arranged on the feeding hopper. The residue conveying device has the advantage that the damage to the body of a constructor due to the fact that the constructor inhales dust is prevented.

The invention discloses an intelligent display storage rack which comprises a display rack body. The display rack body is internally provided with a base, a support frame, a containing rack, a voice playing device, a detection device and a control device; the support frame is fixed to the base, the containing rack is transversely arranged on the support rod, the voice playing device is arranged at the placing position of an object on the storage rack, the detection device is arranged on the display rack body, the control device is arranged the a base, a control key is arranged on the containing rack, and the voice playing device and the control key are both connected with the control device; a camera shooting mechanism and an infrared detector are arranged in the detection device. Accordingly, by arranging the voice playing device on the display storage rack, price broadcasting is conducted through the voice playing device, more conveniences are provided for clients, and meanwhile the workload of workers is reduced; the detection device is arranged on the display storage rack, voice reminding is conducted on the workers through the voice playing device according to the detection results, and the workload of the workers is greatly reduced.

The invention discloses a solar-powered curtain wall roof device. The solar-powered curtain wall roof device comprises a deflection adjusting device, a support frame, solar-powered curtain wall boardsand a curtain wall spreading device, wherein the curtain wall spreading device comprises a mounting board; a transmission case is arranged on the mounting board; the transmission case is provided with two through sliding chutes; an upper pushing gear rack and a lower pushing gear rack are arranged in the two sliding chutes respectively in a slide manner; a right end of the upper pushing gear rackis fixedly connected with the solar-powered curtain wall board on a right side; the lower pushing gear rack is fixedly connected with the solar-powered curtain wall board on a left side; a transmission gear is connected between the lower pushing gear rack and the upper pushing gear rack in a meshing manner; the transmission gear is arranged in the transmission case; the transmission gear is fixedly connected with a transmission shaft; and the transmission shaft passes through a side face of the transmission case, and is in transmission connection with a spreading motor. The solar-powered curtain wall roof device is reasonable in structural design. The spreading manner of the solar-powered curtain wall boards and the projection angles of sunlight on the solar-powered curtain wall boards can be adjusted, so that the power generation efficiency of the solar-powered curtain wall boards is improved greatly.

The invention provides a maze type micro-fluid delay flow control unit and belongs to the field of medical instant detection product researches.The maze type blood sample delay flow control unit is used for controlling the flowing of a thrombus instant detection POCT product in fluid.Liquid flowing states can be controlled by regulating the feature sizes of a maze entrance boss structure (3), a maze exit boss structure (4), a first maze wall boss structure (5), a second maze wall boss structure (6) and channels, and accordingly flowing time of the fluid flowing through the channels is controlled.By controlling the fluid flowing time, the antigen in a to-be-detected blood sample is allowed to be fully mixed with the antibody on the POCT chip product, detection reaction time is controlled, the detection sensitivity and accuracy of the POCT detection product are increased, and good detection results can be obtained.

The invention relates to the technical field of natural gas pipeline installation and maintenance, in particular to a gas leakage detection device for natural gas pipeline transportation. The device comprises a first gas conveying pipeline and two second gas conveying pipelines communicated with the two ends of the first gas conveying pipeline. Flange pieces are fixedly connected between the two ends of the first gas conveying pipeline and the opposite ends of the two second gas conveying pipelines correspondingly, and a plurality of pressure sensors are fixedly connected to the inner side walls of the first gas conveying pipeline and the two second gas conveying pipelines correspondingly. First gas leakage detection mechanisms are arranged between the opposite ends of the two second gas conveying pipelines and the two ends of the first gas conveying pipeline correspondingly, and the outer side wall of the first gas conveying pipeline is slidably sleeved with a second gas leakage detection mechanism. The device can perform gas leakage detection on the whole pipe body surface and the pipeline opening joint of the gas conveying pipelines simultaneously, the detection efficiency is higher, and the detection is more accurate.

The invention discloses a silicon carbide UMOSFET device cellular structure with surge voltage self-inhibiting and self-overvoltage protection. A p-well area of the cellular structure is divided into three layers; the topmost layer is located at the left side and the right side of a U-shaped slot, and is in contact with the U-shaped slot; each of the middle layer and the bottommost layer is formed by two parts respectively arranged on the left side and the right side of the cellular structure; the left part and the right part of the middle layer and the bottommost layer are not in contact with each other; the distance between the left and right parts of the middle layer and a vertical middle axle line of the cellular structure is larger than the distance between the left and right parts of the bottommost layer and the vertical middle axle line of the cellular structure; a JFET structure is introduced onto a drain electrode current path of the cellular structure. According to the silicon carbide UMOSFET device cellular structure with surge voltageself-inhibiting and self-overvoltage protection provided by the invention, the JFET structure is specifically introduced onto the drain electrode current path, so that device on resistance and a self-locking protection effect are automatically adjusted, and meanwhile, a smaller device cellular size can be maintained.

The invention relates to a camellia edible oil storage oilcan, and aims at solving the problems that the existing edible oil can cannot be quantitatively taken and the oil taking is not easy to operate. The oilcan comprises an oilcan body, wherein an oil adding pipe is arranged at the upper end of the oilcan body, and a pipe cover is covered on the oil adding pipe. In the present invention, the quantitative oil taking effect can be realized, and the effect of conveniently taking oil can be achieved; specifically, the pressing plate is pressed downwards, and the pressing plate drives the firstmoving rod and the movable plug to move in a combined mode. Through the combined movement, gas in the fixed cylinder can be pushed into the oil storage pot body; due to the fact that the moving distance of the movable plug in the fixed cylinder is fixed, it can be guaranteed that the amount of oil entering the quantitative oil bottle is fixed, and the quantitative effect is achieved; meanwhile, the oil taking process can be completed only by pressing the pressing plate, and the effect of conveniently taking oil is achieved.

The invention discloses a circuit breaker with good current blocking performance. The circuit breaker comprises an interrupter shell and a handle, one end of the handle penetrates through the interrupter shell and extends into the interrupter shell; a connecting shaft is fixedly connected to one side of the inner wall of the interrupter shell, a driving disc is rotatably connected to an outer surface of the connecting shaft, one end of the handle is fixedly connected with an outer surface of the driving disc, and a driving mechanism is rotatably connected to a front face of the driving disc through a short rod. The invention relates to the technical field of circuit breakers, according to the circuit breaker with good current blocking performance, a first conductive sleeve and a first conductive sheet are arranged on the surface of an upper guide pillar; by utilizing the first conductive sleeve and the first conductive sheet on the surface of the upper guide pillar, when a connecting pillar is positioned between the upper guide pillar and a lower guide pillar, the first conductive sleeve and the second conductive sleeve can be respectively contacted with the connecting pillar and the lower guide pillar, and when the connecting pillar is not positioned between the upper guide pillar and the lower guide pillar, a flow choking effect is achieved, so that the structure is simple and the circuit breaker is easy to popularize.

The invention discloses a material storage bin. The material storage bin comprises a driving assembly, a rack, electrical bars, a discharging hopper and a material collecting basin arranged below the discharging hopper, the discharging hopper and the material collecting basin are both installed on the rack, movable holes matched with the electrical bars in shape are formed in the side wall of the discharging hopper, the electrical bars are inserted into the movable holes, and the driving assembly controls the electrical bars to move at the movable holes. The electrical bars move on the discharging hopper so that the electrical bars can collide with blocky materials in the discharging hopper, the hard blocky materials are crushed, and the size of the blocky materials with high hardness is reduced; and as the viscosity of the blocky materials is reduced overall in the heating process, the crushed materials are not prone to agglomerate again.