31results about How to "For uniform flow" patented technology

The invention relates to a spiral condenser, which comprises a heat radiation pipe and fins, wherein the heat radiation pipe forms a cuboid structure through bending and winding, the cuboid structure consists of a plurality of layers of circuitous heat radiation pipe units, the heat radiation pipe units are mutually parallel, in addition, the gap between the heat radiation pipe units is set to be 10mm to 30mm, the fins are spirally arranged on the outer surface of the heat radiation pipe in a winding way and are of a straight sheet type structure, the gap between the adjacent fin blades is set to be 4mm to 10mm, the spiral condenser also comprises a support frame assembly used for supporting and fixing the cuboid structure consisting of the layers of circuitous heat radiation pipe units. The spiral condenser has the characteristics that the cost is low, the manufacturing is simple, the heat radiation effect is good, the refrigeration is fast, and the like.

The liquid cooling typed cooling system includes following parts: heat elimination element with heat elimination division; working fluid circulated inside the cooling system; a condensation division for condensing the working fluid from the heat elimination division; a pump for making circulation of the working fluid; the heat elimination element also includes a thermoelectric conversion division close fitted to the heat elimination division. Being connected to the pump electrically, the thermoelectric conversion division is in use for providing power for the pump. The liquid cooling typed cooling system carries off heat in high efficiency and in time as well as saves energy.

The invention relates to a test machine for simulating the hot galvanizing of a slat, wherein a rack is fixed on a base; an upper connecting plate and a lower connecting plate are arranged on the rack; a lifting device is fixed on the upper connecting plate; an operation box is fixed on the upper surface of the lower connecting plate; a hydraulic chuck device and a heating electrode are fixed in the operation box; a gate valve is fixed on the lower surface of the lower connecting plate; the lower surface of the gate valve is fixedly connected with an air knife chamber; an air knife device is arranged in the air knife chamber; a rail is arranged on the base; a trolley is arranged on the rail; a zinc pot is arranged in the trolley; a cover plate is arranged on the zinc pot; and a jack bolt is arranged at the bottom of the trolley. The device provided by the invention has the advantages of convenience in operatio, high simulation accuracy, safety, reliability, capability of repeatedly feeding through the trolley, convenience in repeated test and the like.

The invention provides an efficient radial flow adsorption tower. Each section of the adsorption tower is formed by sequentially arranging a tower wall, separation cylinders and a central pipe from outside to inside according to a concentric circle, wherein an air chamber is formed by the tower wall and one separation cylinder; an auxiliary adsorption chamber is formed between the separation cylinder and the separation cylinder; an adsorption chamber is formed between one separation cylinder and the central pipe; a tangential air inlet is connected with the side face of the bottom of the tower wall; an adsorption tail gas outlet is connected with the central pipe and is arranged on the side face of the upper part of the tower wall; a manhole is distributed at the opposite side of the adsorption tail gas outlet; the tower wall, the central pipe and the separation cylinders are in sealed connection with a bottom plate; an auxiliary adsorbent unloading opening and an adsorbent unloading opening are respectively mounted at the bottoms of the auxiliary adsorption chamber and the adsorption chamber; the efficient radial flow adsorption tower is formed by 10-20 tower sections; each section is completely separated from the next section through the bottom plate; the adsorption tail gas outlet of each section is commonly connected to an adsorption tail gas main pipeline; and the tangential air inlet of each section is connected from a main air inlet pipeline.

The invention discloses a centrifugal separation immunochromatography detection method. Based on the characteristic that a centrifugal device is utilized for driving a liquid phase to flow in a solid-phase detection film based on an existing immunochromatography technique, the method can be applied to a colloid metal immunochromatography detection method, a fluorescence immunochromatography detection method and a chemiluminiscence immunochromatography detection method. The method has the characteristics of high sensitivity, short detection time, convenience in use, high stability and convenience in storage.

The invention discloses a rubber mixer and a method. The rubber mixer comprises a stirring mechanism and an extruding mechanism. The stirring mechanism comprises a stirring box body, a stirring shaftis arranged in the stirring box body, a stirring rod is arranged on the outer wall of the stirring shaft, the outer end portion of the stirring rod is provided with a scraper blade, the top end of thestirring shaft is connected with a motor arranged at the top of the stirring box, the bottom of the stirring box is provided with a discharging port, the extruding mechanism comprises an extruding box, the extruding box is arranged transversely, the upper end surface of the extruding box is provided with a feeding port, and the feeding port communicates with the discharging port of the stirring mechanism. The rubber mixer is novel in structure design, stirring and extrusion discharging of a rubber raw material can be realized, the working efficiency is high, and the rubber processing qualitycan be improved.

The bactericidal PVC gloves are produced with the materials including PVC, plasticizer, butyrate, stabilizer, bactericide, dispersant, and surfactant in certain proportion. The bactericide has chlorine dioxide activated polyethylene microballoon as main component, and under the irradiation of light over 30 LUX, the chlorine dioxide activated polyethylene microballoon releases bactericidal matter in controlled mode. The production process features the stirring step in a material barrel with built-in stirrer, two tubular circulators separately in the front and the back of the soaking tank to improve the circulating system of the soaking tank, the soaking tank shielded with iron sheet, the stripping area shielded with black cloth, lighting of the whole production process controlled below 30 LUX, and increased smoke exhausting apparatus to reach cooling effect.

The invention discloses a spindle cooling structure with annular cooling and axial cooling connected in series and a machine tool. The spindle cooling structure mainly comprises a spindle sleeve. A cooling loop on the spindle sleeve is formed by connecting two parts in series, namely a spiral groove cooling pipeline and axial hole cooling pipelines sequentially connected in series, and the two parts of pipelines are connected in series to form the circulating cooling loop. The cooling pipeline at the position of a spiral cooling groove and the cooling pipelines formed by connecting the multiple axial holes in series are connected in series to form the complete cooling loop, and cooling liquid entering the cooling loop flows in a circulating manner.

The invention discloses a centrifugal separation detection device. The centrifugal separation detection device comprises a sample feeding part, a solid phase membrane, a centrifugal device and a detector, wherein the centrifugal device comprises a centrifugal rotor and a support base; the centrifugal rotor is driven by a drive motor, and is supported by the support base; the sample feeding part isnot directly connected with the centrifugal rotor, and is arranged above, under or outside the centrifugal rotor; the sample feeding part comprises a liquid phase storage device, a sample feeding pipe and a sample feeding pump; the liquid phase storage device is communicated with the sample feeding pipe; the sample feeding pump is used for driving liquid in the liquid phase storage device to enter the sample feeding pipe; the solid phase membrane is arranged on the centrifugal rotor, and a liquid phase sample is directly or indirectly loaded onto one side, near the center, of the solid phasemembrane by the sample feeding pipe; the detector is not directly connected with the centrifugal rotor, and is arranged above, under or outside the centrifugal rotor. The centrifugal separation detection device is characterized in that the sensitivity is high, and the full-quantitative and automatic effects are realized; the detection technology with quick detection and simple used equipment is adopted, and the good application prospect is realized.

The invention discloses a stable-flow novel descaling nozzle. The stable-flow novel descaling nozzle comprises a nozzle head; a water outlet is formed in the nozzle head; a mixing cavity is connected behind the water outlet; a conveying water channel is formed behind the mixing cavity; a pipe body is arranged out of the conveying water channel; a connecting device is arranged at the back part of the pipe body, and is provided with a fixed hole; and a water stop piece is arranged in the mixing cavity, and is a spiral structure. The water stop piece is arranged in the mixing cavity, so that water currents flow at more uniform speed, the water pressure is average in the use process of the nozzle, and the infleuence on the use effect of the nozzle by excessive impact force is prevented; and a filter screen is provided for removing impurities to prevent the impurities from blocking the water outlet.

The invention relates to the field of electrochemical sensing detection, in particular to a multichannel organophosphorus pesticide rapid detector based on the Internet of Things, preparation of an array electrode combined with an array microfluidic clamp and a detection method of the array electrode. The pesticide detector is characterized in that a potentiostat is used as a core, a multi-channel microfluidic clamp is used as sample injection equipment, a microcontroller is used as a control center of the rapid detector, an HMI serial port screen is used as a display channel of a lower computer, the array electrode is used as an electrode of an organophosphorus pesticide electrochemical biosensor; a multichannel relay is used for controlling a sample injection diaphragm pump to inject an actual sample, RFID is used as an acquisition module of employee card information, acquired multichannel digital signals are transmitted to a cloud server through a communication module by MQTT and an HTTP protocol, the acquired multichannel digital signals are forwarded to an MQTT main server after summarization is finished, the MQTT main server triggers a storage rule to transfer MYSQL, data is displayed and queried by using an application layer built by django + vue, the data is processed and stored, and a test report is generated.

The invention discloses a honey dredging pipeline capable of preventing blockage in processing production of honey. The honey dredging pipeline comprises an external pipeline, a conveying passage anda dredging device, wherein the dredging device is arranged between the external pipeline and the conveying passage, and is a spherical outer casing of which both ends are provided with openings; entering and exiting passages are respectively arranged at the upper end and lower end of the dredging device; an inner fixed shaft is arranged in the dredging device; the periphery of the inner fixed shaft is connected with a plurality of connecting rods and scraping sheets; the connecting rods and the scraping sheets are fixedly connected through rotary connecting shafts; a pressure sensor is arranged on each connecting rod, and is electrically connected with an external control end; the rotation angle of the connected rotary connecting shaft is controlled through the external control end; the honey in the external pipeline enters the conveying passage through the dredging device, and a plurality of blockage detection devices are arranged on the conveying passage; a monitoring observing window is arranged at the top part of each blockage detection device. The honey dredging pipeline has the advantages that the application range is broad, and the effect is good.

The invention provides a tobacco production cycle simulation device. The tobacco production cycle simulation device comprises a driver; the first transmission assembly is connected with the driver; a first driven gear of the second transmission assembly is meshed with a first driving gear of the first transmission assembly, and the second transmission assembly is used for conveying a sample; and the third transmission assembly is in transmission connection with the first transmission assembly, surrounds the two ends and the lower part of the second transmission assembly, and is matched with the second transmission assembly to convey the sample. According to the tobacco production circulation simulation device provided by the invention, the plurality of transmission assemblies are arranged and synchronously transmit, so that uniform flowing of the sample flow during transmission is ensured, and meanwhile, the third transmission assemblies are arranged at the two ends and the lower part of the second transmission assembly so as to form constraint on the sample flow, so that circulating reciprocating motion of the sample flow is ensured; a real sample flow in the tobacco production process is presented, and the situation that debugging results of an automatic sampling device are inconsistent due to manual simulation sampling, and consequently the debugging cost is increased is avoided.

The invention provides a grouting anchor rod construction process for supporting a side slope. The grouting anchor rod construction process comprises the following steps that an anchor hole is drilled in the slope surface of the side slope, all sundries in the anchor hole are removed, and the anchor hole is divided into a front section and a rear section; a grouting pipe extends into the anchor hole; cement paste is injected into the anchor hole through the grouting pipe, and after the front section is filled with the cement paste, the grouting pipe is pulled out at a constant speed while the cement paste continues to be injected; and after an anchor rod is inserted into the anchor hole, a tray sleeves the anchor rod, a locking nut is screwed, and the tray covers the hole opening of the anchor hole. According to the technical scheme of the grouting anchor rod construction process for supporting the side slope, the anchor hole is divided into the two ends to be grouted in sequence, the grouting pipe is pulled out at the constant speed while the rear section is grouted, cement paste can be filled more compactly, the anchor rod supporting strength is improved, and potential safety hazards are reduced; and the waterproof performance of the cement paste is improved by selecting the reasonable water cement ratio, groundwater is prevented from permeating into the cement paste, and the supporting effect is improved.

The invention provides a wave shape controllable wave-making pool. The wave shape controllable wave-making pool comprises a wave-making pool assembly, a power source and a control center; the wave-making pool assembly comprises a pool, a secondary flow-dividing gate, a primary flow-dividing gate, a steady flow gate and a flashboard assembly. The steady flow gate, the primary flow-dividing gate and the secondary flow-dividing gate are arranged from a water inlet to a water outlet. The primary flow-dividing gate and the secondary flow-dividing gate are provided with the flashboard assembly, and the primary flow-dividing gate communicates with the secondary flow-dividing gate in a guiding mode by the flashboard assembly; the power source is in communication with the water inlet; and the control center is used for controlling the flashboard assembly and the power source. The opening of a flashboard and a regulating valve can be controlled to accurately generate the wave same as a numerical simulation wave model, and support is provided for the study of ocean wave energy.

The invention discloses a multidirectional control system for nitrogen storage. The multidirectional control system comprises a nitrogen storage tank, a valve block and a nitrogen spring, the nitrogenstorage tank comprises a pressure gauge, an exhaust opening, an inflation opening, a first high-pressure connector and a first nitrogen pipeline, the pressure gauge is arranged at the top end of thenitrogen storage tank, and the exhaust opening and the inflation opening are formed in the lower end of the pressure gauge; and the first high-pressure connector is installed on the inner side of thebottom end of the nitrogen storage tank and connected with one end of the first nitrogen pipeline. According to the multi-directional control system for nitrogen storage, redundant nitrogen can enterthe inflation opening from the interior of a circulation pipeline and then enters the nitrogen storage tank from the inflation opening to form a circulation system, thus nitrogen in the nitrogen storage tank is favorably circulated, waste is avoided when the nitrogen is fed into a nitrogen spring, after a control switch is turned on, the flowing pressure of the nitrogen can be controlled, thus theflowing speed of the nitrogen is more uniform, the pressure cannot be suddenly reduced or increased, and the magnitude of the pressure can be independently adjusted as required.