94results about How to "Influence flow" patented technology

The present invention is directed to a blood aspiration system that is configured to enable various types of aspiration through a working lumen of a catheter. The blood aspiration system facilitates natural aspiration by providing a circuit between a patient's arterial and venous vasculature, and also comprises a manually actuated pump configured to selectively vary rates of aspiration in the working lumen. The blood aspiration system further comprises an external port that allows suction-assisted aspiration or infusion through the working lumen, and further comprises a detachable filter that removes emboli prior to reperfusing blood into a patient's venous vasculature.

The invention discloses a method for treating organic waste gas in a chemical plant. The organic waste gas sequentially pass through a flowmeter, a flow regulating valve, a concentration monitor, a dust removal flame-retardant device, an air inlet fan, a heat exchanger, a catalyst chamber, an exhaust fan, an alkaline tower, a humidifier, a biological active packing layer containing scrap iron, a 1# electrode, a 2# electrode, a 3# electrode, a 4# electrode, a circulating water system, a thermostat, a spraying system, a three-way valve and a biological filter. According to the method, the concentration of the organic waste gas can be regulated into a proper concentration range of the waste gas treatment system. According to the method, different waste gas treatment methods can be selected according to the concentration of the organic waste gas. In the biological treatment section of the method, acidic substances in the waste gas are removed by adopting an alkali washing method, and the condition that the biological activity is influenced in the biological filter is avoided; and in the biological treatment section of the method, the scrap iron is contained in the packing, the packing is stirred periodically by utilizing the variable electrode magnetism, the phenomena that the gas flow is influenced due to blockage and the reaction is non-uniform are avoided, a stirrer can be replaced, and the inner reaction space is saved.

The invention discloses a construction waste crushing device for constructional engineering and a using method thereof, and belongs to the technical field of the constructional engineering. The construction waste crushing device for the constructional engineering comprises a crushing box and a waste collecting vehicle, wherein the waste collecting vehicle is arranged at the bottom of the crushingbox, a feeding opening and a discharging opening are formed at the upper side and the lower side of the crushing box, a crushing mechanism is connected to the interior of the crushing box, a dust falling box is connected to the outer wall of the crushing box, a water supplementing box and a water sprinkling box are connected to the interior of the dust falling box, a first pipeline and a second pipeline are connected between the water supplementing box and the water sprinkling box, a water conveying pipe is connected to the bottom of the dust falling box, the end, away from the dust falling box, of the water conveying pipe is connected to the top of the water supplementing box, a water pump is connected to the outer wall of the water conveying pipe, and the water pump is connected to the outer wall of the water supplementing box. According to the construction waste crushing device, water resources for dust fall are reused favorably, the water resources are saved favorably, and the crushing cost of construction waste is reduced.

The invention belongs to the technical field of waste gas treatment equipment, and particularly relates to a multistage water spinning paint spraying cabinet. The multistage water spinning paint spraying cabinet comprises a paint spraying chamber and a reaction chamber. The paint spraying chamber communicates with the reaction chamber through vent holes. A fan is arranged on the reaction chamber.A water outlet trough is arranged above an air inlet chamber. Liquid in the water outlet trough flows out, and a water curtain is formed. The vent holes are formed below the water curtain. The at least two sets of independent vent holes are formed in a cabinet body, the water outlet trough corresponding to the vent holes is arranged in the cabinet body, and a sealing plate used for sealing the vent holes is arranged in the cabinet body. Spraying devices and baffles are arranged in the reaction chamber, the baffles divide the reaction chamber into an S-shaped air flow channel, and liquid sprayed in the spraying devices forms water curtains on the baffles. A filter water trough is arranged at the bottom of the reaction chamber, and the liquid on the baffles is guided into the filter water trough through the baffles. The multistage water spinning paint spraying cabinet is good in cleaning effect, convenient to use and control and capable of being flexibly used conveniently.

The invention relates to a heat shield for a stove. The heat shield for the stove comprises an annular shield body and is characterized in that the bottom of the shield body is concave upwards to format least two secondary air replenishing grooves through inside and outside; the bottom of each secondary air replenishing groove is provided with a distributing piece; and each distributing piece comprises two side plates which are vertically arranged at an interval, wherein a first gap is formed between the two side plates, a second gap and a third gap are formed between each of the two side plates and the corresponding secondary air replenishing groove, and a first air replenishing channel, a second air replenishing channel and a third air replenishing channel which are mutually independentare formed. The invention also provides the stove using the heat shield. Compared with the prior art, the heat shield for the stove and the stove using the heat shield have the advantages that the two side plates of each distributing piece can form relatively independent spaces, air forms the three corresponding independent air replenishing channels under the separation effect of the two side plates of each distributing piece, entrainment of hot air flow after combustion and high temperature of a combustor on secondary air in every two side plates is effectively avoided, and the characteristic of higher combustion efficiency is achieved.

The invention discloses a single-channel line-based hydrogen peroxide membrane-free passive microfluid fuel cell which comprises a cover plate, an anode electrode, a cathode electrode, a cotton threadrunner and a support plate. The microfluid fuel cell is characterized in that the anode electrode and the cathode electrode are arranged on the supporting plate in a bilateral symmetry mode, a gap isreserved between the anode electrode and the cathode electrode, and the cotton thread runner is placed on the anode electrode and the cathode electrode; the left part and the right part of the cottonthread runner are respectively overlapped with the cathode electrode and the anode electrode, and a certain height difference is set between an inlet and an outlet of the cotton thread runner; the cotton thread runner is a flow channel for fuel and electrolyte, the fuel and the electrolyte are conveyed to the surfaces of the anode electrode and the cathode electrode by the cotton thread runner, the fuel is hydrogen peroxide, and the cotton thread flow channel is made of a plurality of hydrophilic cotton threads; the single-strand cotton thread is adopted as a runner, passive transportation offuel and an oxidizing agent is achieved through capillary force or the capillary force coupling gravity effect, and the device can be widely applied to the fields of chemical engineering, energy, environmental protection and the like.

The invention provides a fruit seed drying device, which can prevent the fruit seeds from scorching during the drying process and improve the drying efficiency. The fruit seed drying equipment includes a vertical drum, the top of the drum is provided with a feed port, the side wall of the drum is provided with a number of air outlets, and the drum is also fixed with a vertical propeller , the central axis of the propeller is provided with a hollow inner cylinder, the side wall of the hollow inner cylinder is provided with a number of air inlet holes, the upper part of the hollow inner cylinder is connected with an air inlet passage, and the air inlet passage is connected to the air inlet through a ball bearing. The air inlet pipe is connected, and the bottom of the hollow inner cylinder is connected with a rotating shaft, and the rotating shaft is connected with a motor through a conveyor belt.

The invention provides a hemostix. The hemostix comprises a catheter seat, a blood sampling structure and a connecting pipe, wherein an accommodating cavity is formed inside the catheter seat; a catheter for accommodating a puncture needle tube is fixedly arranged at one end of the accommodating cavity; the hardness of the catheter is less than that of the puncture needle tube; the puncture needletube has a first state in which the puncture end extends out of a catheter, and a second state in which the puncture end is retracted toward the catheter seat and is separated from the catheter seat;the blood sampling structure comprises a blood collection needle; the connecting pipe is connected with the catheter seat and the blood sampling structure, and is communicated with the accommodatingcavity and the blood collection needle; and the hardness of the connecting pipe is not less than that of the catheter seat. According to the hemostix, pains of a person waiting for blood sampling canbe relieved in the blood sampling process, blood sampling operation can be performed conveniently, and accuracy of a blood detection result can be improved.

Provided are a projection device and a circuit board module. The projection device comprises a casing, the circuit board module, a light source, a light valve and a camera lens, and the casing is provided with at least one opening hole. The circuit board module comprises a circuit board, a plate element, an elastic structure and at least one connector. The circuit board and the plate element are arranged in the casing. The elastic structure is clamped between the circuit board and the plate element. The circuit board, the plate element and the elastic structure separate the inside of the casing into a first space and a second space. The first space is separated from the second space through sealing of the elastic structure, and the first space is communicated with the outside through the opening hole. The connector is allocated on the circuit board to be located in the first space, and the connector is exposed out by the opening hole. The light source, the light valve and the lens are allocated in the second space. Light beams sent from the light source reach the lens through the light valve.

The invention belongs to the technical field of power equipment, and particularly relates to an intelligent temperature control power switch cabinet which comprises a cabinet body, partition plates, a cabinet air conditioner, switch equipment, a vertical pipe, an air outlet groove and a temperature sensor. The partition plates are evenly installed in the cabinet body in the vertical direction, and each partition plate is fixedly connected with the inner surface of the side wall of the cabinet body. According to the invention, through the arrangement of the partition plates, an air inlet groove, a trapezoidal convex block and the vertical pipe, cooling air generated by a fan is discharged through a second air blowing opening and a third air blowing opening, so that the surfaces of the switch equipment are cooled, and the heat dissipation efficiency is improved; through the arrangement of an elastic sheet and a wire outlet, the vertical pipe can fix and store a longer wire body or a loose wire body in the switch cabinet, the wire body is prevented from being wound and stacked in the cabinet body to influence the flowing of cooling air, and the heat dissipation efficiency is further improved; and meanwhile, additional wire arranging and wiring equipment is avoided, and the production energy consumption is reduced.

The invention relates to the technical field of automobile stamping part production, in particular to a cooling device of a stamping die for automobile parts, which comprises a water inlet and a water outlet arranged on the side surface of the die, at least one group of cooling units penetrating through the interior of the die is arranged between the water inlet and the water outlet, and the cooling units are used for directional flow of cooling liquid; the cooling unit comprises two first cooling water channels which are symmetrically arranged, the first cooling water channels are parallel to each other and horizontally extend, the first cooling water channels are arranged in the lower die, and each first cooling water channel is provided with a bending area for avoiding a model punching hole and a positioning pin hole; and the cooling unit further comprises a second cooling water channel, the second cooling water channel is arranged in the upper die and used for dissipating heat for the punch, and the technical scheme solves the technical problem of how to enable cooling liquid to be rapidly cooled in the die while the integrity of the die is not affected.

The invention belongs to hydraulic equipment, and particularly relates to hydraulic mechanical equipment with foreign matter removing and preheating functions. The hydraulic mechanical equipment comprises a cylinder body, wherein a piston matched with the inner wall of the cylinder body is mounted in an inner cavity of the cylinder body, a telescopic rod is fixedly connected to the bottom of the piston, and the telescopic rod penetrates through the cylinder body and extends to the outer wall of the cylinder body. An electromagnet is used for attracting metal impurities, so that the metal impurities can be concentrated on the surface of the electromagnet, the situation that a filter screen is blocked is avoided, oil flowing is effectively prevented from being influenced, operation of the hydraulic cylinder is prevented from being influenced, and efficient operation of the hydraulic cylinder is effectively guaranteed.

The invention discloses sewage filtering equipment with an anti-blocking function. The sewage filtering equipment comprises a filtering chamber, wherein a water inlet pipe and a water outlet pipe arecommunicated onto the filtering chamber; a servo double-shaft motor is arranged on the filtering chamber; each of two output ends of the servo double-shaft motor is fixedly connected with a rotating shaft; two first installing blocks and a second installing block are fixedly connected onto the inner wall of the filtering chamber; a first rotating shaft is rotationally connected between the two first installing blocks. The sewage filtering equipment has the advantages that when insoluble impurities floating on the sewage are filtered, a scraping plate is used for performing continuous scrapingon the filter screen surface; the filtering speed influence since too many insoluble impurities are adhered on the filter screen is avoided; the rotation of a second round fixing disc and a rotating rod are utilized, so that vortexes can be formed at the surface of water in the filtering chamber; the insoluble impurities floating on the water surface are gathered in the vortexes or near the vortexes; the contact of a large number of insoluble impurities and the filter screen is avoided.

The invention belongs to the field of transformers, particularly relates to a control transformer for a low-consumption and energy-saving elevator, and aims to solve the problems that the service life of an existing transformer is shortened due to the fact that the existing transformer lacks an effective heat dissipation device and is poor in heat dissipation effect. The control transformer comprises a shell and a transformer body, a first mounting cavity and a second mounting cavity are formed in the shell, an annular sliding groove is formed in the inner wall of the bottom of the first mounting cavity, a sliding ring is slidably mounted in the annular sliding groove, a placement plate is fixedly connected to the top of the sliding ring, and the transformer body is arranged at the top of the placement plate. The transformer body can be subjected to larger-area and more comprehensive air blowing heat dissipation, the situation that the transformer body is covered by dust to affect heat dissipation of the transformer body is avoided, meanwhile, cleaning can be conducted on a second dustproof net plate, the situation that the second dustproof net plate is blocked to affect airflow flowing, and consequently the heat dissipation efficiency is reduced is avoided, and the service life of the transformer body is effectively prolonged.

The invention discloses a breathing-type anaesthesia machine. The machine includes an accommodating cavity, a collecting box and a reaction chamber; the accommodating cavity, the collecting box and the reaction chamber are arranged sequentially from left to right, a first catheter is fixedly connected between the accommodating cavity and the collecting box, a second catheter is fixedly connected between the collecting box and the reaction chamber, and the top of the collecting box is connected with a breathing machine through one-way valves arranged at equal intervals; the two sides of the topend of the breathing machine are fixedly provided with a breathing air inlet and a breathing air outlet respectively; the center of the inner wall of the breathing machine is connected with a first clapboard, the side, close to one end of the breathing air outlet, of the breathing machine is connected with a fresh air pipe, the end, close to the first catheter, of the inner wall of the accommodating cavity is provided with sprayers arranged in a rectangular array mode, and a settling pond positioned below the sprayers is arranged on the bottom of the inner wall of the accommodating cavity. The breathing-type anaesthesia machine has the advantages that the structure is simple, patients can be directly anesthetized by utilizing breathing of the human body, the pain is relieved, and since the breathing machine is provided with a cleaning device, the breathing machine is convenient to use.