17results about How to "Reduced flow space" patented technology

The invention discloses a variable-flow submersed nozzle based on continuous cast steel production, and relates to the technical field of submersed nozzles, the variable-flow submersed nozzle comprises a base, the top surface of the base is provided with a flow control mechanism used for controlling the flow of cast steel liquid, and the top surface of the base is provided with an auxiliary flow mechanism used for assisting the flow of the liquid steel; the flow control mechanism can be blocked in the submersed nozzle, so that the flowing space of molten steel in the nozzle is reduced, the flow of the molten steel is controlled, a stop block is relatively simple to use, a complex flow control system and related equipment are not needed, the complexity and cost of the system are reduced, potential fault points are reduced, and the service life of the system is prolonged. The auxiliary flowing mechanism can knock the isolation plate, impurities attached to the isolation plate can be shaken off by knocking the isolation plate, the cleaning effect is achieved, blockage of a water gap can be reduced by cleaning the blocked isolation net, the fluidity of molten metal is improved, and therefore the production efficiency is improved, and the rejection rate can be reduced and the product quality can be improved by cleaning the blocked isolation net.

The invention discloses a single-system screw machine heat exchanger, which relates to the technical field of screw machine heat exchangers, including a base plate, a water inlet jacket, a water outlet jacket, and a gas component. A plurality of outer tubes are fixedly connected in the water inlet jacket, a plurality of inner tubes are fixedly connected in the water outlet jacket, the inner tubes have a smaller diameter than the outer tubes, the inner tubes penetrate the outer tubes at corresponding positions, one end of the inner tube away from the water inlet jacket is fixedly connected with a liquid inlet jacket, a slide rail is fixedly connected at the bottom of the base plate, support seats are fixedly connected to the outer peripheral walls of the water inlet jacket and the water outlet jacket, the support seat at the bottom of the water inlet jacket is slidably connected to the slide rail, the support seat at the bottom of the water outlet jacket is fixedly connected to the base plate, one end of the inner tube away from the water inlet jacket is sealed with the water outlet jacket, one end of the inner tube is inserted into the inner cavity of the liquid inlet jacket, and the other end of the inner tube penetrates the water inlet jacket. The invention has a simple structure, is convenient for disassembly and assembly, has a fast fluid flow rate, and has a high heat exchange efficiency.

The invention discloses a punching detection device for processing a locking rotator. The invention relates to the technical field of rotator processing, comprising a tube, a high-pressure air pump is arranged on the top of the air tube; a conical nozzle, the conical nozzle is used to increase the gas flow speed by reducing the gas flow space, and the outer surface of the air tube is provided with inclined air holes. The punching detection device for processing a locking rotator has a conical nozzle arranged at the bottom of the air tube to increase the gas flow speed by reducing the gas flow space, thereby blowing away iron filings and dust, preventing the accumulation of too much iron filings and dust remaining from processing in the punching hole of the locking rotator, which will affect the subsequent detection of the punching depth and produce a certain error. By opening the upwardly inclined oblique air holes on the surface of the air tube, the iron filings and dust blown up by the conical nozzle fly upward out of the deep hole, preventing the accumulated iron filings and dust blown up in the deep hole from being difficult to be quickly discharged from the deep hole with a small remaining space when there is a lot of them.

The invention provides a hydrogen fuel cell convenient for power supply, and relates to the technical field of cells, the hydrogen fuel cell comprises a cell fixing plate and a cell fixing cover, and the cell fixing cover is installed above the cell fixing plate; a protective cover is mounted between the battery fixing plate and the battery fixing cover; a guide sliding rail is mounted on the outer side of the protective cover; the side face of the guide sliding rail is provided with an open groove, and a metal conduction piece is installed in the open groove. A heating temperature control module and a catalyst detection module are mounted between the battery fixing plate and the battery fixing cover. The catalyst on the catalyst layer is heated by using the heating wire, the number, distribution and adsorption capacity of active sites on the surface of the catalyst are known by using an ascending-sequence heating adsorption and desorption curve method, the activity of the catalyst is evaluated, the detection efficiency is greatly improved, and the service life of the hydrogen fuel cell is ensured. The problem that the operation process is tedious and complex in the mode that a catalyst layer is directly detached from a battery for sampling detection is solved.

The utility model relates to the technical field of watering carts, in particular to a watering cart clear water tank with an anti-surging structure, which comprises a tank body, the inner wall of the tank body is fixedly connected with a connecting cross rod, the top of the tank body is fixedly connected with a water inlet, and the water inlet is rotatably connected to the bottom of a tank cover. The connecting cross rod is fixedly connected to the center of the anti-surging baffle, the transverse fixed connecting rod is fixedly connected to the interior of the anti-surging baffle, and the vertical fixed connecting rods are fixedly connected to the two sides of the anti-surging baffle. Meanwhile, the flowing space is reduced, the anti-surging effect is achieved, the overall gravitational potential energy of water flow can be reduced by means of cutting and flow dividing of the water flow through the arranged cover body and the arranged water guide hole, the water flow can be dispersed when impacted, the secondary anti-surging effect is achieved, and the service life of the clear water tank of the watering cart is overall prolonged.

The invention discloses an instant heating type electric heating module and a heating noise reduction method, the instant heating type electric heating module comprises a heating pipe, the two ends of the heating pipe are connected with a liquid inlet head and a liquid outlet head, a separation pipe is arranged in the heating pipe, and a flow channel cavity communicated with the liquid inlet head and the liquid outlet head is formed between the separation pipe and the heating pipe; a spring arranged on the periphery of the separation pipe in a sleeving mode is arranged in the flow channel cavity. The separation pipe and the spring are arranged in the heating pipe, so that the flowing space of liquid is reduced, the liquid forms spiral flowing liquid flow in the flow channel cavity under the flow guide effect of the spring, the liquid can flow out after cross flowing, the temperature of the heated liquid is more uniform, the temperature difference is smaller, and the heating efficiency is improved. The liquid outlet temperature detection is more accurate, and meanwhile noise generated by liquid heating is reduced.

The invention belongs to the technical field of rare earth preparation, and particularly relates to a mixing, clarifying and extracting tank for rare earth separation, the mixing, clarifying and extracting tank comprises a support, a top cover and a mixing chamber, the top cover is jointly mounted between a horizontal section and a vertical section above the support, the mixing chamber is mounted on the front side of the lower end of the support, and meanwhile, the mixing, clarifying and extracting tank is provided with a moving mechanism, a stirring mechanism and a tidying mechanism; a first fan blade and a second fan blade conduct graded stirring and preliminary shearing on a mixed phase in the mixing chamber, meanwhile, an arc-shaped cutting plate is matched with fins to conduct further shearing and crushing on the mixed phase, the contact area between phases is increased, mixed mass transfer between the phases is facilitated, and the mixing efficiency is improved. And then the residual extraction machine on the inner wall of the mixing chamber is scraped and cleaned through a rotating plate, a telescopic scraping plate, a trapezoidal scraping plate and a telescopic cleaning plate, the method has important significance on maintaining the pH environment for rare earth preparation, and then the rare earth preparation efficiency and purity are improved.

The application provides a high-efficiency cooler and relates to the field of cooling equipment, which comprises a main pipe body, an oil inlet pipe fixedly connected to the left side of the main pipe body, a gas guide pipe fixedly arranged in the cooling pipe, air guide plates fixedly connected to the two ends of the gas guide pipes, an air inlet pipe and an air outlet pipe connected to the two air guide plates respectively, a turbine rotatably mounted to the left side of the inside of the oil inlet pipe, a speed reducer fixedly arranged to the bottom of the inside of the oil inlet pipe, the turbine and the speed reducer in transmission connection, a first gear connected to the right side of the speed reducer through a rotating shaft, a filter cylinder rotatably mounted to the right side of the inside of the oil inlet pipe, a second gear fixedly connected to the left side of the filter cylinder, and four circular filter plates fixedly arranged to the inside of the filter cylinder.

The utility model relates to a refrigerator. The refrigerator comprises a refrigerator body and a refrigerator cover, a refrigerator liner; an evaporation bin is formed between the air duct assembly and the inner wall of the refrigerator container; a reserved air groove is formed in the inner wall in the refrigerator container in a concave mode and communicates with the evaporation bin. The evaporator is arranged opposite to the reserved air groove; the baffle is arranged at the communicating position of the reserved air groove and the evaporation bin; when the evaporator is not blocked by frost, the baffle can close the communicating position of the reserved air groove and the evaporation bin so that the reserved air groove can be isolated from the evaporation bin, the air flowing space in the evaporation bin can be reduced, the refrigeration effect of the refrigerator can be improved, energy can be saved, and the power consumption of the refrigerator can be reduced; when the evaporator is blocked by frost, the baffle can open the communication position of the reserved air groove and the evaporation bin, so that the reserved air groove is communicated with the evaporation bin, the air flowing space in the evaporation bin is increased, air in the evaporation bin can flow through the reserved air groove, smooth flowing of the air in the evaporation bin is guaranteed, and the good refrigeration effect of the refrigerator is maintained. Therefore, the frost blockage problem of the refrigerator is solved.

This utility model belongs to the technical field of electronic cigarette devices, and discloses a cartridge structure and a replaceable cartridge-type electronic cigarette atomizing device. The cartridge structure includes a cartridge mouthpiece, an airway sealing assembly, and an atomizing base device. The cartridge mouthpiece is detachably connected to the atomizing base device, and has a cartridge airway communicating with the atomizing base device. The airway sealing assembly is located inside the cartridge airway, extending along the entire length of the airway, and is detachably and sealingly connected to the end of the airway near the atomizing base device. This structure completely fills the airway cavity with the airway sealing assembly. Compared with the traditional method of sealing only the mouthpiece with a silicone T-shaped plug, it significantly reduces the volume of the airway cavity, reduces the flow space of e-liquid during transportation and storage, reduces the risk of e-liquid leakage due to vibration or tilting, and effectively improves the sealing performance and stability and reliability of the product under various usage conditions.

The invention discloses punching detection equipment for machining of a locking rotator, and relates to the technical field of rotator machining, the punching detection equipment comprises a pipe, and a high-pressure air pump is arranged at the top of the air pipe; according to the punching detection equipment for machining the locking rotator, the conical nozzle is arranged at the bottom of the air pipe, the air flowing speed is increased by reducing the air flowing space, and inclined air holes are formed in the outer surface of the air pipe, so that the air flowing speed is increased by reducing the air flowing space, and then scrap iron and dust are blown away; the situation that too many scrap iron and dust left after machining are accumulated in a punched hole of the locking rotating device, and consequently follow-up detection on the depth of the punched hole is affected, and a certain error is generated is prevented; an inclined air hole inclining upwards is formed in the surface of an air pipe, so that the surrounding scrap iron and dust blown by a conical nozzle fly upwards out of a deep hole; and the situation that much accumulated scrap iron and dust blown up in the deep hole are difficult to discharge from the deep hole with smaller residual space quickly is prevented.

The embodiment of the utility model provides an atomizer and an aerosol generating device, and relates to the technical field of atomization. The atomizer comprises a shell, an atomizing base, a liquid suction assembly and an atomizing core. The shell is provided with a liquid storage cavity and a flow outlet channel which are isolated from each other, and the liquid storage cavity is used for storing an atomizing medium. The atomization base is connected to the shell and comprises an atomization base body and a check block, and the atomization base body is provided with an air inlet channel. The liquid suction assembly is arranged on the atomization base, the liquid suction assembly, the check block and the atomization base body define an atomization cavity communicating with the air inlet channel and the flow outlet channel, the liquid suction assembly is provided with a first liquid suction part, the atomization cavity comprises a flow guide cavity used for guiding airflow of the air inlet channel to the flow outlet channel, and the first liquid suction part, the check block and the atomization base body jointly define a flow guide cavity. The atomizing core is fixed in the atomizing cavity and communicated with the liquid storage cavity, and the check block is located on the side, facing the first liquid suction part, of the atomizing core. According to the atomizer, the situation that aerosol is reduced can be reduced, and the experience feeling of a user is improved.

The invention discloses a power distribution control center, and relates to the technical field of low-voltage complete power distribution equipment, and the power distribution control center is characterized in that two ends of a drawer structure are installed in a power distribution cabinet through guide rails, one end, close to a contact groove, of the drawer structure is fixedly connected with a plug and is provided with abutting blocks located on two sides of the plug, and the side end of a ventilation table is provided with an air outlet groove. The side end of the ventilation table is provided with an air inlet main channel, the air outlet groove is communicated with a ventilation cavity formed in the ventilation table, the air inlet main channel is communicated with the ventilation cavity through a rotating groove formed in the ventilation table, the two ends of the overturning plate are rotationally connected with the inner wall of the air outlet groove, the bottom of the overturning plate is provided with a partition plate, and the overturning plate and the partition plate are located on the upper side and the lower side of the air outlet groove respectively. The partition plate is fixedly connected with the inner wall of the ventilation cavity. The beneficial effects are that when each drawer structure is installed in the power distribution cabinet, an independent closed channel is formed by the corresponding separator plate and the turnover plate, so that air flow flowing out of the inner cavity of the air inlet main channel is ensured to be in contact with the drawer structure through the closed channel.

The utility model relates to a kind of multifunctional outdoor oven, including furnace body, cover, pizza tray assembly, heating piece and baking tray, the upper end of furnace body is equipped with open mouth, cover is buckled on open mouth, cover and furnace body cooperation form cooking cavity, the front side of furnace body is equipped with opening, pizza tray assembly includes pizza tray and guard plate, pizza tray is put into furnace body across opening, guard plate covers on opening, the lower of pizza tray is equipped with heating piece, the upper of pizza tray is equipped with baking tray, and heat conduction passage is equipped between pizza tray and furnace body inner wall. By setting pizza tray assembly, baking tray and heating piece, oven not only has the function of baking pizza, but also can fry other food, greatly improve the practicability of equipment, meet the diversified cooking needs of user, cooking process is more efficient, convenient, realize a oven can meet the different cooking needs of multiple food, reduce the number of cooking equipment, save user cost, it is convenient to store.

This invention discloses a closed-type built-in cylindrical reverse airflow coordinated collision filter cartridge cleaning system, including a shell, several filter cartridges installed inside the shell, a cylinder installed inside the filter cartridges, and a first cover plate, a second cover plate, a third cover plate, and a cleaning cover plate for controlling the internal gas flow path. The filter cartridge cleaning system of this invention has a filtration state and a cleaning state. In the filtration state, the openings at both ends of the cylinder are open, not affecting the normal operation of the filter cartridges. Gas enters from the air inlet, is filtered by the filter cartridges, and flows out from the air outlet. In the cleaning state, the openings at both ends of the cylinder are covered by the first and second cover plates, and are in a closed state. Through the cooperation of the third cover plate and the cleaning cover plate, external gas enters from both ends of the filter cartridges to clean them. During cleaning, gas enters from both ends of the filter cartridges, allowing for uniform cleaning. Furthermore, because the cylinder is in a closed state, the internal gas flow space of the filter cartridges is reduced, further improving the cleaning efficiency.

The utility model provides a safe waste liquid treatment device, which belongs to the technical field of waste liquid treatment, aims to solve the problems that the static speed of waste liquid is slow and the deposition efficiency of pollutants is influenced, and comprises a waste liquid treatment barrel, a treatment barrel cover plate, a reciprocating driving part, a transmission mounting rotating shaft, a waste liquid mixing plate, a detachable bottom plate and a sliding flow blocking baffle plate, the treatment barrel cover plate is in bolted connection with the upper part of the waste liquid treatment barrel; the reciprocating driving piece is in bolted connection with the upper part of the treatment barrel cover plate; the transmission mounting rotating shaft is rotationally connected to the middle part of the treatment barrel cover plate; the waste liquid mixing plate is fixedly connected to the lower part of the transmission mounting rotating shaft; the sliding choked flow baffle is connected to the inner side of the waste liquid mixing plate in a sliding manner; the detachable bottom plate is in bolted connection with the lower part of the waste liquid treatment barrel; according to the utility model, the waste liquid can be quickly static, the deposition efficiency of pollutants is improved, the treatment efficiency of the waste liquid is improved, and the use effect of the treatment device is improved.