39results about How to "Guaranteed to flow through" patented technology

The invention discloses ultrasonic coupling electrochemical coagulation phosphorus-contained wastewater treating method and device. In the method, the phosphorus-contained wastewater of a wastewater storing tank is conveyed into a reaction tank; a power supply supplies power for a positive electrode and a negative electrode in an electrode unit, and the positive electrode generates a metal ion; and an ultrasonic wave generated by an ultrasonic generator directly acts on the phosphorus-contained wastewater in the reaction tank by the wall vibration of the reaction tank and is matched with the high-valence state metal ion to realize the coagulated purification of the phosphorus-contained wastewater. The device comprises the ultrasonic generator, the reaction tank, the power supply, the wastewater storing tank, a water discharge container, a flowmeter and a circulating pump. The invention has high reaction speed, high processing efficiency and low energy consumption.

The invention relates to the technical field of batteries, in particular to a heat dissipation type vibration-proof new energy battery device. The heat dissipation type vibration-proof new energy battery device comprises a base, wherein a box is arranged on the base; the box is internally provided with a plurality of spacer plates in a uniformly-spaced mode from left to right, and a battery cavityis formed between every two adjacent spacer plates; fixed blocks are arranged on two sides of the box respectively, and sliding supporting plates are arranged on two sides of the base respectively; aplurality of elastic blocks are arranged at the bottom of the box in the uniformly-spaced mode, and an elastic component is arranged between every two adjacent elastic blocks; the box is provided with two groups of heat dissipation components at intervals from top to bottom, and each annular sleeve is arranged on the periphery of the corresponding battery cavity in a sleeving mode respectively; an air suction nozzle is arranged at one end of a heat dissipation sleeve, an air suction port of a micro air suction machine is communicated with the air suction nozzle, a plurality of air inlet nozzles are arranged at the other end of the heat dissipation sleeve, and each air inlet nozzle is provided with a filter screen. According to the heat dissipation type vibration-proof new energy battery device, the vibration can be reduced, the stability is high, and a vibration-proof effect is achieved; the ventilation effect and heat dissipation effect can be improved, and the annular sleeves are prevented from being blocked by dust to influence the heat dissipation effect.

The invention relates to a device for acquiring predetermined state variables inside a room, in particular in the interior of a motor vehicle, with at least one temperature sensor and with a humidity sensor, at least regions of which are enclosed by a housing, wherein a first temperature sensor exhibits at least one contact surface for abutting against a perimeter surface bordering the room, and that at least one second temperature sensor is provided inside the housing for acquiring the room temperature. The contact surface is thereby a surface piece of a printed circuit board section of a printed circuit board, which encompasses elastic characteristics, wherein the printed circuit board section encompasses a plurality of surface pieces, which are angled relative to one another, and the temperature sensors are arranged at different surface pieces.

The invention provides a corrosion-resistant metal porous material and a preparation method and application thereof, and relates to the technical field of metal porous materials. The corrosion-resistant metal porous material comprises a metal porous material base material and a corrosion-resistant deposition layer metallurgically bonded on the surface of a porous framework of the metal porous material base material through chemical vapor deposition, wherein the corrosion-resistant deposition layer is a metal Ta layer or a metal Mo layer or an alternate composite layer of the metal Ta layer andthe metal Mo layer. The metal porous material can be bonded with Ta and Mo at a melting point far lower than that of Ta and Mo through chemical vapor deposition, and the chemical vapor deposition hashigh diffractivity, so that Ta and Mo can evenly and compactly surround the surface of the metal porous framework, and the corrosion resistance of the metal porous material is improved. The corrosion-resistant metal porous material has good corrosion resistance in sulfuric acid, hydrofluoric acid, hydrochloric acid, nitric acid and mixed acid of the sulfuric acid, the hydrofluoric acid, the hydrochloric acid and the nitric acid.

The invention discloses a production system for hypochlorite. The production system for the hypochlorite comprises a hypochlorite generator, a salt melting tank, a softener, a liquid storage tank, a speculative system, and a PLC control cabinet. The hypochlorite generator includes an electrolytic cell; the electrolytic cell comprises a shell, an electrode assembly, a plurality of water baffle plates and two sealing elements, the electrode assembly is arranged in the shell, through holes are formed in the water baffle plates, the electrode assembly is sleeved with the through holes at intervals, the water baffle plates are arranged between the electrode assembly and the inner wall of the shell, the water baffle plates are connected with the shell in a sealing mode, and the two sealing elements are correspondingly arranged on the two ends of the shell in a sealing mode. According to the production system for the hypochlorite, in the electrolytic process, it is guaranteed that salt solution can all flow through an anode plate and a cathode plate of electrode assembly by the electrolytic cell under the action of beam of the water baffle plates, so that the mass transfer distance is reduced, and the electrolytic efficiency is improved.

The invention relates to a hairbrush strip and a using method, and relates to the logistics field. The hairbrush strip and the using method are used for traditional conveying lines in the logistics industry. The hairbrush strip is installed in a gap between conveying belts of two conveying units in a conveying line. A supporting frame is arranged in the middle of the gap and comprises a fixing part and brush parts, clamping grooves are formed in the two sides of the fixing part, each brush part comprises a fixing rod and bristles, one ends of the bristles are fixedly connected with the fixingrods, and the fixing rods are arranged in the clamping grooves and fixedly connected with the fixing part; and through seamless butt joint with the conveying belts, the problems of piece clamping, piece twisting, piece missing and the like of objects in the conveying process are reduced, normal flowing of goods is guaranteed, the automation degree is high, and the productivity is improved.

The invention discloses ultrasonic coupling electrochemical coagulation phosphorus-contained wastewater treating method and device. In the method, the phosphorus-contained wastewater of a wastewater storing tank is conveyed into a reaction tank; a power supply supplies power for a positive electrode and a negative electrode in an electrode unit, and the positive electrode generates a metal ion; and an ultrasonic wave generated by an ultrasonic generator directly acts on the phosphorus-contained wastewater in the reaction tank by the wall vibration of the reaction tank and is matched with the high-valence state metal ion to realize the coagulated purification of the phosphorus-contained wastewater. The device comprises the ultrasonic generator, the reaction tank, the power supply, the wastewater storing tank, a water discharge container, a flowmeter and a circulating pump. The invention has high reaction speed, high processing efficiency and low energy consumption.

The invention relate to an in-vitro hatching device for cherax quadricarinatus, which comprises a hatching tank, a water storage tank and a water storage barrel, wherein the hatching tank and the water storage tank are of rectangular parallelepiped structures; the hatching tank comprises a top frame, two opposite side walls and a plurality of cross bars which are arranged between the two side walls at parallel intervals; a plurality of hatching boxes are erected between every two cross bars, and the box body of each hatching box is a net structure; the hatching tank and the water storage tankare nested, and the depth of the hatching tank is smaller than that of the water storage tank; the low part of the hatching box is immersed in a water body in the water storage tank; a water dischargeopening is arranged at the bottom of one end of the water storage tank and communicated with the water storage barrel; and the bottom of the water storage barrel is provided with a water outlet, andthe water outlet supplies water into the water storage tank from the other end opposite to the water discharge opening of the water storage tank through a first water pump. The in-vitro hatching device can effectively carry out basic disease control, gene control, quantity control in a hatching process and has a high hatching rate.

The invention discloses an electrolytic bath of a pypocholoride generator. The electrolytic bath comprises a shell, an electrode assembly, multiple water baffles and two sealing parts. The electrode assembly is located in the shell. The multiple water baffles are provided with through holes and are arranged on the electrode assembly at intervals in a sleeving manner. The water baffles are locatedbetween the electrode assembly and the inner wall of the shell and are in sealed connection with the shell. The two sealing parts are arranged at the two ends of the shell in a sealed manner correspondingly. According to the electrolytic bath, it can be guaranteed that a saline solution all flows through the position between an anode plate and a cathode plate of the electrode assembly, the mass transfer distance can be reduced, the electrolytic efficiency can be improved, the heating value can be reduced, and operation energy consumption can be reduced.

The invention relates to the field of plastic bags, in particular to a plastic bag and production equipment thereof. The production equipment comprises a support table, a bag body clamping and movingmechanism, a sac bag hot pressing mechanism, an edge cutting mechanism and two bag body edge pressing mechanisms, and is characterized in that the support table is fixedly arranged on the ground; andaccording to the plastic bag and the production equipment thereof, a pushing mechanism plays a role in driving a finished product clamp and a feeding clamp to clamp the plastic bag, drives the edge cutting mechanism and the sac bag hot pressing mechanism to cut the plastic bag up and down and plays a role in driving the bag body edge pressing mechanisms to conduct edge hot pressing on the plasticbag, and the working speed of the pushing mechanism is controlled, so that the machining speed of the plastic bag can be controlled, and the effect of conveniently controlling the machining speed is achieved. Sewage is stored through a water storage bag, when a user throws garbage, the water storage bag is punctured through a tool, the sewage is discharged into a sewer, then the bag is thrown intoan outdoor garbage can, the odor of the garbage is reduced, and through the garbage bag, the sewage is stored by the water storage bag and is prevented from flowing out.

The invention discloses a flow-in control valve which consists of a valve seat, a lower valve body, a valve core and an upper valve body, wherein the valve seat is mounted on a production pipeline; a steplike hole is formed in the valve seat; the lower valve body is embedded into the steplike hole of the valve seat; the axial position is limited by a boss; a conical hole is formed in the lower valve body; a circular hole is formed in the upper part of the upper valve body, and a curved hole is formed in the lower part of the upper valve body; the upper valve body is screwed on the valve seat in a threaded connection manner; the valve core is arranged in a space formed by the conical hole of the lower valve body and the curved hole of the upper valve body; the valve core is an entity consisting of a valve core lower conical surface, a valve core upper curved surface and valve core lower runners; the slope of the valve core lower conical surface is greater than that of the conical hole of the valve body; and the valve core lower runners are long-strip slots uniformly formed in the lower end of the valve core lower conical surface. The flow-in control valve can automatically adjust the size of a runner space of the valve according to the type of fluid and components of the fluid in a hydrocarbon reservoir, increase the flow-in amount of oil, control flow-in of water and gas and prevent water layer penetration and gas layer penetration, so that the yield and the quality of an oil product can be effectively controlled.

The invention provides a tail gas treatment device, which comprises a shell, an air inlet part, an exhaust part, and a filter part and a bracket part that are arranged in the shell. In a direction from the top of the shell to the bottom of the shell, the tail gas treatment device is provided with N sub-filter parts with successively increasing filter apertures, so that in the movement process of to-be-treated exhaust gas from the bottom to the top of the tail gas treatment device, the filter part can intercept solid particles of different particle sizes in the to-be-treated exhaust gas in order, thus reducing the resistance of the gas running process, reducing the energy consumption and maintenance frequency of a vacuum pump, and being conducive to improving the production efficiency. In addition, a bottom bracket of the bracket part makes the lower end face of the filter part higher than the top horizontal plane of an air inlet, and the radial dimension of each sub-filter part fits the inner diameter of the shell, thereby guaranteeing effective filtering treatment on all the to-be-treated exhaust gas.

The invention relates to an iron removal device for removing iron chips or steel chips in a material, and particularly relates to an iron removal device which is reliable in iron removal effect and convenient to use. The iron removal device comprises magnets, wherein the magnets are uniformly arranged in a tube shape of which the cross section is in a regular hexagon shape or along the wall of a tube body of which the cross section is in a regular hexagon shape; and the magnets or material channels are arranged obliquely, and the inclination angle is 25-45 degrees. Thus, the tubular magnets or tube body can be directly installed in a material flow region. The material can be ensured to flow through in the tube body by using any prior art, and the magnets are uniformly distributed in a tube shape or along the wall of the tube body, and thus, can form an annular adsorption magnetic field for the iron chips or steel chips in the material flowing through the tube body, thereby having a reliable adsorption action and ensuring the iron removal effect. Meanwhile, the tubular magnets or the tube body with magnets arranged along the tube wall can be conveniently installed or used.

The present invention discloses a charging pile capable of improving the heat dissipation effect, and relates to the technical field of charging piles, including a charging pile body, heat dissipation holes and air inlets, and also including: a partition, a heat dissipation fan 1, a heat dissipation fan 2, an airflow cooling mechanism and a wind direction adjustment mechanism, wherein the airflow cooling mechanism includes: a liquid storage tank, a pump, a partition frame, a serpentine pipe, a liquid outlet pipe and a plugging component. The present invention improves the flow rate of the airflow by setting the heat dissipation fan 1 and the heat dissipation fan 2, thereby improving the heat dissipation effect, cools and dissipates the inflowing airflow by the coolant, and further ensures the heat dissipation effect, and ensures that the coolant radiator only dissipates part of the coolant at a time by setting the plugging component, and the pump will not be in a working state all the time, saving power resources, and ensuring the heat dissipation effect of the coolant at the same time, and adjusting the outflow angle of the airflow by the wind direction adjustment mechanism, ensuring that the airflow can flow through every corner inside the charging pile body, thereby ensuring the heat dissipation effect.

The invention relates to a heat radiator used for machine room server heat radiation. The heat radiator includes air conduction pipes, heat radiation pieces connected with server heat generating components and a liquid-nitrogen temperature-retaining device. The air conduction pipes are arranged on the top of the liquid-nitrogen temperature-retaining device. The plurality of heat radiation pieces are distributed in a side-by-side spacing manner on the air conduction pipes. Heat radiation grease layers are arranged at binding places of the heat radiation pieces and the server heat generating components in a coating manner. The liquid-nitrogen temperature-retaining device includes a liquid-nitrogen temperature-retaining box and air conveyance pipes. An externally attached liquid level gauge Iand an externally attached liquid level gauge II are arranged outside the liquid-nitrogen temperature-retaining box. A liquid nitrogen inlet is arranged above a side of the liquid-nitrogen temperature-retaining box, and is connected with the air conveyance pipes through low-temperature valves. A heating and heat control mechanism is arranged in the liquid-nitrogen temperature-retaining box, and includes wires, a contacting voltage regulator, an electric heating core and an electric-heating-core holding frame. The electric heating core is arranged in a center of the electric-heating-core holding frame, and is connected with the contacting voltage regulator through the wires. The heat radiator solves the problems that server heat radiation is not easy, heat dissipation effects are poor, andtemperature of the server heat generating components cannot be lowered.

The invention provides a mitral regurgitation treatment instrument, and relates to the technical field of medical instruments. The mitral regurgitation treatment instrument comprises a support and a bottom film, wherein the support is of an annular latticed structure, and the end, used for contacting a mitral valve, of the support is provided with a plane end; and the plane end is covered with thebottom film, the bottom film is annularly arranged, and a through hole corresponding to the annular shape of the bottom film is used for allowing blood to flow. The mitral regurgitation is treated byblocking a mitral regurgitation position, so that the operation difficulty is relatively low, and the problem that the requirements for doctor teams and equipment are high is solved; the risks of subvalvular tissue damage and outflow tract blocking in an existing valve replacement fixing process are avoided, so that the safety of the instrument is greatly improved; and the through hole is formedin the bottom of the instrument, so that the effect of limiting regurgitation of prolapse treatment can be guaranteed, the original subvalvular structure of a patient is completely reserved, and convenience can be provided for a valve-in-valve technology through the design of the through hole.

The invention discloses a jet-flow type gas sensation system applicable to security examination and a method and belongs to the field of gas detection. The system mainly comprises two parts, namely anair supply column and a gas detection column. The system is characterized in that under the action of an air supply machine, a gas is ejected out through a jet-flow nozzle arranged on an air supply tube; the gas between the air supply column and the gas detection column is driven to flow to a gas capturing hole together with the air; when being close to the gas capturing hole, the gas is sucked by a draft fan and is fed into a gas detector and is further discharged out from the bottom end of the gas detection column; and if the gas between the air supply column and the gas detection column comprises a gas to be detected, a sound-light alarm can be made by the gas detector. Due to adoption of the special jet-flow nozzle mounted on the air supply column of the system, a large jet-flow distance, intense gas mixing and high reliability of a gas supply system are ensured, and the system is applicable to detection on dangerous gases in automobile stations, subway stations, high-speed rail stations, airports and other densely populated places.

The invention relates to the technical field of kitchen appliances, in particular to uniform-heating cooking equipment which comprises an upper shell and a lower shell, a hot air circulation assembly is arranged in the upper shell, an inner container and a pot body assembly are arranged in the lower shell, and a gap is formed between the inner container and the pot body assembly to form a hot air channel. A first space communicated with the hot air duct is arranged below the pot body assembly, a second heating piece is arranged in the first space, an oil receiving disc is arranged below the second heating piece, a ventilation area is arranged at the bottom of the pot body assembly, and the second heating piece is arranged around the ventilation area so that heat generated by the second heating piece can enter the pot body assembly through the ventilation area. Grease generated by the food drops into the oil receiving disc through the ventilation area. One part of hot air generated by the hot air circulation assembly enters the pot body assembly, the other part of the hot air enters the first space through the hot air duct, heat generated by the second heating piece is driven to enter the pot body assembly through the ventilation area, and the heating uniformity of the upper surface and the lower surface of food is improved.

The invention relates to an iron removal device for removing iron chips or steel chips in a material, and particularly relates to an iron removal device which is reliable in iron removal effect and convenient to use. The iron removal device comprises magnets, wherein the magnets are uniformly arranged in a tube shape of which the cross section is in a regular hexagon shape or along the wall of a tube body of which the cross section is in a regular hexagon shape; and the magnets or material channels are arranged obliquely, and the inclination angle is 25-45 degrees. Thus, the tubular magnets or tube body can be directly installed in a material flow region. The material can be ensured to flow through in the tube body by using any prior art, and the magnets are uniformly distributed in a tube shape or along the wall of the tube body, and thus, can form an annular adsorption magnetic field for the iron chips or steel chips in the material flowing through the tube body, thereby having a reliable adsorption action and ensuring the iron removal effect. Meanwhile, the tubular magnets or the tube body with magnets arranged along the tube wall can be conveniently installed or used.

The invention discloses a substrate cleaning system which comprises a cavity, a supporting chuck and a spraying unit, the supporting chuck and the spraying unit are arranged in the cavity, and a substrate is fixed to the supporting chuck; the spraying unit is used for spraying washing liquid onto a substrate so as to clean the substrate, the spraying unit comprises a nozzle, and a plurality of discharge pipes arranged in an outwards inclined structure are arranged in the nozzle so that the washing liquid discharged through the discharge pipes can be uniformly sprayed onto the surface of the substrate. According to the invention, the telescopic baffle plate is used for receiving rinsed flushing fluid under the condition that the supporting chuck does not rotate, and the flushing fluid flows into the discharge layer to be treated; concentric circular holes / shower holes with different angles are designed in the nozzle so as to ensure that liquid flows through the whole substrate; when the chuck does not rotate, the liquid flow lacks an outward force, so that the nozzle arm is designed to rotate to provide an outward force for the liquid flow.

The invention discloses a high-temperature and high-pressure supercritical carbon dioxide flow accelerated corrosion test system and method. The test system includes a closed loop and a gas supply system; the closed loop includes a pulse damper connected through pipelines, a carbon dioxide mass flow meter, an electric Regulating valve V6, heating device, high-temperature and high-pressure reactor and cooler, the cooler is arranged at the rear end of the high-temperature and high-pressure reactor, and the pulse damper, carbon dioxide mass flow meter, electric regulating valve V6 and heating device are arranged at the high-temperature and high-pressure reactor At the front end of the reactor, a mass spectrometer and a back pressure valve are arranged on the closed loop; the gas supply system includes a carbon dioxide storage tank and a high-pressure liquid chromatography pump, and the gas supply system is used to provide a carbon dioxide gas flow for the closed loop. The invention solves the problems in the prior art that it is difficult to realize the high flow rate supercritical carbon dioxide working condition, and the supercritical carbon dioxide flow accelerated corrosion test cannot be carried out.

The invention relates to an iron removal device for removing iron scrap or steel scrap in a material. The iron removal device which has a reliable iron removal effect and is convenient to use comprises magnets, wherein the magnets are tubular or uniformly arranged along the tube wall of a tube body, so that the tubular magnets or the tube body can be directly arranged in a material circulation area, and the material can flow through the tube body by any prior art; the magnets are tubular or uniformly distributed along the tube wall of the tube body, so a complete annular adsorption magnetic field can be formed for the iron scrap or the steel scrap in the flowing material, a reliable adsorption effect is achieved, and the iron removal effect is ensured; meanwhile, the tubular magnets or the tube body on which the magnets are arranged along the tube wall can be conveniently arranged and used.

The invention discloses a long-time high-temperature wind tunnel test cabin. A cabin wall of the test cabin comprises an inner wall and an outer wall, wherein the inner wall is connected with the outer wall through a partition to form a water-cooled channel; and cooling water is fed into the water-cooled channel. The problem of long-time thermal protection of the wind tunnel test cabin in a severe hot environment is solved.

A waste water treating apparatus of hyperacoustic-electricially catalyzing dye in azo type belongs to azo type dye waste water treating apparatus. The reacting apparatus is composed of waste water adjusting pool, flowmeter, reactor, yielding water container, hyperacoustic energy converter, controllable silicon amperite, cathode and anode disposed in the reactor and recycle pump. The apparatus has a good controllability, a simple process and a high processing efficiency. The reacting condition includes ultrasonic power 0.5w / cm2-2.0w / cm2, an operating voltage of controllable silicon amperite 3.5v-8v, the concentration of NaCl supporting electrolyte 0.02mol / L-0.08mol / L, relevant current density 5mA / cm2-50mA / cm2. The invention can effectively dispose azo type dye waste water harmlessly. It improves the reaction speed for 5-10 times compared with the current technology and reduces the energy consumption for 1-2 times. The disposed methyl orange simulates the waste water of a decolorizing rate and COD removing rate of more than 95%.

The invention relates to an iron removing device for removing iron scales or steel scales in materials and particularly relates to the iron removing device with a reliable iron-removing effect and convenience in use. The iron removing device comprises magnets, wherein the magnets are uniformly distributed in a pipe shape with the cross section being a regular hexagon or along the pipe walls of a pipe body with the cross section being a regular hexagon; the magnets or material channels are obliquely arranged with the oblique angle being 25-45 degrees. Therefore, the iron removing device has the advantages that the pipe-shaped magnets or the pipe body can be directly arranged at the area for material circulation, the flowing of the materials through the inner part of the pipe body can be guaranteed by utilizing any prior art, the magnets are uniformly distributed in a pipe shape or along the pipe wall of the pipe body, so that a complete ring-shaped absorption magnetic field can be formed for the iron scales or the steel scales in the flowing materials, the reliable absorption effect can be achieved, and the iron removing effect can be guaranteed; and simultaneously, the pipe-shaped magnets or the pipe body provided with the magnets arranged along the pipe wall can be conveniently installed and used.

The invention discloses a heat dissipation structure of a magnetic cavity in a magnetic coupling homogenizer. The heat dissipation structure includes a fluid homogeneous cavity, a homogeneous transmission mechanism and a fluid heat-exchange cavity; the fluid heat-exchange cavity is communicated with the fluid homogeneous cavity to form a heat-exchange fluid inlet channel and a heat-exchange fluidoutlet channel; the homogeneous transmission mechanism includes a main shaft and homogenizer impellers, and the homogenizer impellers are arranged on the main shaft; the terminal end of the main shaftextends into the fluid homogeneous cavity to make the homogenizer impellers limited in the fluid homogeneous cavity; the initiating end of the main shaft is limited in the fluid heat-exchange cavity;the main shaft is of a hollow structure, a feeding hole and a discharging hole are formed in the main shaft, the feeding hole is communicated with the heat-exchange fluid inlet channel, and the discharging hole is communicated with the heat-exchange fluid outlet channel. By making the fluid heat-exchange cavity communicated with the fluid homogeneous cavity, driving force of the homogeneous transmission mechanism enables a cold fluid in the fluid homogeneous cavity to flow into the fluid heat-exchange cavity and a hot fluid in fluid heat-exchange cavity to flow into the fluid homogeneous cavity, and through compulsory convective circulation, the purpose of heat dissipation is achieved.

The invention discloses a flow-in control valve which consists of a valve seat, a lower valve body, a valve core and an upper valve body, wherein the valve seat is mounted on a production pipeline; a steplike hole is formed in the valve seat; the lower valve body is embedded into the steplike hole of the valve seat; the axial position is limited by a boss; a conical hole is formed in the lower valve body; a circular hole is formed in the upper part of the upper valve body, and a curved hole is formed in the lower part of the upper valve body; the upper valve body is screwed on the valve seat in a threaded connection manner; the valve core is arranged in a space formed by the conical hole of the lower valve body and the curved hole of the upper valve body; the valve core is an entity consisting of a valve core lower conical surface, a valve core upper curved surface and valve core lower runners; the slope of the valve core lower conical surface is greater than that of the conical hole of the valve body; and the valve core lower runners are long-strip slots uniformly formed in the lower end of the valve core lower conical surface. The flow-in control valve can automatically adjust the size of a runner space of the valve according to the type of fluid and components of the fluid in a hydrocarbon reservoir, increase the flow-in amount of oil, control flow-in of water and gas and prevent water layer penetration and gas layer penetration, so that the yield and the quality of an oil product can be effectively controlled.

The invention relates to an iron removal device for removing iron scrap or steel scrap in a material. The iron removal device which has a reliable iron removal effect and is convenient to use comprises magnets, wherein the magnets are tubular or uniformly arranged along the tube wall of a tube body, so that the tubular magnets or the tube body can be directly arranged in a material circulation area, and the material can flow through the tube body by any prior art; the magnets are tubular or uniformly distributed along the tube wall of the tube body, so a complete annular adsorption magnetic field can be formed for the iron scrap or the steel scrap in the flowing material, a reliable adsorption effect is achieved, and the iron removal effect is ensured; meanwhile, the tubular magnets or the tube body on which the magnets are arranged along the tube wall can be conveniently arranged and used.