72 results about "Diffusion tube" patented technology

The invention belongs to the technical field of wet dust removal devices, and particularly relates to a turbulence-enhanced efficient energy-saving wet dust removal device, and a Venturi condensation unit comprises a shrinkage pipe, an adjustable throat pipe and a diffusion pipe which are connected in sequence; the turbulent flow mixing and strengthening unit is connected between an outlet of the diffusion pipe and an inlet of the fiber grid condensation and filtration unit, and a static turbulent flow generator is arranged in the turbulent flow mixing and strengthening unit and used for enabling gas-liquid-solid multiphase flow from the Venturi condensation unit to generate rotation and turbulent flow; the fiber grid coagulation filtering unit comprises a shell and at least one layer of fiber grid plate arranged in the shell; the washing liquid circulation assembly comprises a liquid storage tank, a water pump and a first connecting pipeline and is used for conveying washing liquid in the liquid storage tank to the atomizing nozzles and the liquid distribution device. The system has the advantages of low-resistance operation, self-cleaning capability, intelligent adjustment and high system integration degree.

The application belongs to the technical field of jet pump equipment, and discloses a double-nozzle jet pump capable of improving pumping efficiency. The jet pump comprises a pump body, a sleeve pipe and a pump core. The pump body is provided with a working fluid channel, a transported fluid channel and the pump core. The sleeve pipe is sleeved on the pump body and forms a mixed fluid discharge channel with the sleeve pipe. The pump core comprises an inlet inner cavity connected with the working fluid channel, two nozzles symmetrically connected with the inlet inner cavity along the axial direction, a throat pipe arranged at intervals with the outlet of the nozzle, and a diffusion pipe connected with the outlet of the throat pipe. The diffusion pipe is connected with the mixed fluid discharge channel, and the transported fluid channel is connected with the nozzle. The working fluid enters the inlet inner cavity through the working fluid channel and enters the two nozzles at the same time. A low-pressure area is formed at the outlet of the nozzle, so that the transported fluid is sucked into the nozzle through the transported fluid channel, and then the working fluid and the transported fluid are mixed to form high-speed mixed fluid in the throat pipe. The high-speed mixed fluid is pressurized through the diffusion pipe and discharged through the mixed fluid discharge channel.

The application discloses a concentration monitoring device for an aerosol deposition process, and relates to the technical field of aerosol detection.The concentration monitoring device comprises a casing and a speed regulation mechanism, the speed regulation mechanism comprises an aerosol inlet pipe and an aerosol outlet pipe, the aerosol outlet pipe is arranged above the aerosol inlet pipe, the axis of the aerosol inlet pipe and the aerosol outlet pipe are collinear, the cross-sectional radius of the inlet end of the aerosol outlet pipe is larger than the cross-sectional radius of the outlet end of the aerosol inlet pipe, a test area is arranged between the aerosol inlet pipe and the aerosol outlet pipe, the aerosol inlet pipe comprises a first diffusion pipe, the cross-sectional radius of the first diffusion pipe increases from bottom to top, the aerosol outlet pipe comprises a second contraction pipe, the cross-sectional radius of the second contraction pipe decreases from bottom to top, the inlet end of the aerosol inlet pipe penetrates through the bottom of the casing, and the outlet end of the aerosol outlet pipe penetrates through the upper end of the casing.The special structural design of the aerosol inlet pipe and the aerosol outlet pipe is used to realize accurate regulation of the flow speed of aerosol by arranging the speed regulation mechanism.

The utility model discloses an adjustable microorganism diffusion pretreatment device which comprises a box body, one side of the box body is inserted with a connecting pipe, the other end of the connecting pipe is sleeved with a fixed pipe, the top end of the fixed pipe is fixedly connected with a connecting plate, the top of the connecting plate is rotatably inserted with a threaded rod, and the outer wall of the threaded rod is in threaded connection with a sliding block. The bottom end of the sliding block is fixedly connected with two sliding rods, the bottom ends of the two sliding rods are provided with a composite pipe assembly, the composite pipe assembly slides in the fixed pipe, and the composite pipe assembly comprises a plurality of diffusion pipes. The threaded rod is screwed to enable the sliding block to move, so that the sliding rod and the diffusion pipe are driven to move, the area, exposed out of the fixed pipe, of the diffusion hole of the diffusion pipe is adjusted, meanwhile, the position of the sealing piston in the diffusion pipe is adjusted, and therefore the flowing-out speed of microbial strains is adjusted; therefore, the diffusion density can be adjusted according to different types of microbial strains, and the diffusion effect of microorganisms is improved.

This application provides a quarrying device with the function of extracting bottom sediment without drilling, including a drill rod, a drill bit, and a sediment removal device. The sediment removal device includes, in sequence: a retrieval tool for retrieving and deploying the sediment removal device; a water pipe, which is a cylindrical structure open at both ends with a through-hole on the side; a nozzle, which is a cylindrical structure open at both ends; a nozzle seat, which is an annular structure with internal threads; a nozzle with a conical inner wall; a diffuser, which is a cylindrical structure open at both ends with a through-hole on the side wall; an inner tube, which is a hollow cylindrical shape open at both ends; a retaining spring, fixed to the head end inside the inner tube; a retaining spring seat, fixed to the head end inside the inner tube, with the tail end fixedly connected to the head end of the retaining spring; an annular seat ring, fixed to the inner wall of the drill rod; and an annular sealing ring, fixed to the outside of the sediment removal device, located on one side of the tail end of the through-hole. The advantage of this application is that it can remove rock sediment from the bottom of the hole, solving the problem of residual rock sediment.

The SF6 decomposed gas diffusion device comprises a decomposed gas cylinder and an upper computer, an outlet of the decomposed gas cylinder is fixedly communicated with a first pressure reducing valve, the first pressure reducing valve is fixedly communicated with a first electromagnetic valve, the first electromagnetic valve is fixedly communicated with a first controller, and the first controller is communicated with a fourth electromagnetic valve in series; an outlet of the fourth electromagnetic valve is fixedly communicated with an inlet of a gas chamber, an outlet of the gas chamber is fixedly communicated with a fifth electromagnetic valve, an outlet of the fifth electromagnetic valve is fixedly communicated with a third controller, an outlet of the third controller is fixedly communicated with a sixth electromagnetic valve, and an outlet of the sixth electromagnetic valve is fixedly communicated with a mixed gas injection port of a diffusion pipe. According to the device, the SO2 equilibrium concentration A, the instantaneous concentration C when the diffusion time is t and the SO2 sampling port distance x are measured through a plurality of measurement sampling ports when a GIL fault occurs, a diffusion time and displacement fitting formula of SO2 in the GIL in SF6 is obtained, and a GIL fault source is effectively and accurately traced and positioned through the fitting formula.

The invention relates to a post-intermediate-frequency thermal diffusion structure abnormity identification method, a sampling auxiliary device and a sampling method.The sampling auxiliary device comprises an MF front branching comb arranged at the front end of intermediate-frequency thermal diffusion equipment, and copper pipes arranged in the direction of a steel wire are arranged in a plurality of through holes in the MF front branching comb; the steel wire penetrates through a through hole in the MF front branching comb or the copper pipe and then enters the medium-frequency heat diffusion pipe; the copper pipe can be pushed into or drawn out of the medium-frequency heat diffusion pipe according to requirements; the sampling method comprises the step of sampling by adopting the sampling auxiliary device. The identification method comprises the following steps: arranging a plurality of positions on an alloy production line to carry out strength loss detection, respectively taking a plurality of samples for strength detection at each position through medium-frequency thermal diffusion and shielding medium-frequency thermal diffusion, and respectively marking the samples as a and a shielding, and calculating the strength loss of the position a before and after thermal diffusion and the strength loss of the production line after thermal diffusion. The sampling auxiliary device has the advantages of being low in manufacturing cost and convenient to disassemble and maintain; the sampling method has the advantages of simple operation and effective result.

The application discloses a diffusion tube liquid level maintaining device, which comprises a diffusion tube, a support, a liquid level detecting unit, a liquid supplementing micro pulse pump and a sampling micro pulse pump, the outer side of the diffusion tube is provided with the support, the liquid level detecting unit comprises a liquid level sensor, a support above the liquid level sensor, a support above the liquid level sensor, a support below the liquid level sensor, a locking bolt of the support above the liquid level sensor and a locking bolt of the support above the liquid level sensor, and the diffusion tube and the liquid level detecting unit are both installed on the support. In order to better use the diffusion tube liquid level maintaining device, the absorption liquid is manually injected into the diffusion tube, so that the liquid level reaches the expected position, then the mechanism part of the liquid level detecting unit is adjusted, so that the liquid level sensor can detect the liquid level position, at this time, the test program of the liquid level sensor is started, and the detection work is carried out, so that the liquid level of the absorption liquid is basically maintained in the fixed height range.

The utility model relates to the technical field of papermaking, in particular to a pulp outlet structure and a headbox with the pulp outlet structure, which comprises a pulp outlet pipe, a plurality of pulp outlet nozzles are fixedly arranged on the pulp outlet pipe, the pulp outlet nozzles are arranged on the same side of the pulp outlet pipe at equal intervals, and each pulp outlet nozzle is of a two-section structure composed of a flow guide pipe and a diffusion pipe. The flow guide pipe is fixedly connected to the slurry outlet pipe, the diffusion pipe is rotationally connected to the outer side wall of the flow guide pipe, and a buffer assembly is arranged in the diffusion pipe. The buffering assembly is arranged in the diffusion pipe of the pulp outlet nozzle, the flowing speed of paper pulp can be reduced when the paper pulp makes contact with the buffering assembly through the blocking effect of the buffering assembly on the paper pulp, the buffering frame is driven to rotate through flowing of the paper pulp, and the diffusion pipe is driven to integrally rotate; the flowing power of the paper pulp is partially converted into the rotating power of the diffusion pipe, the flowing power of the paper pulp is weakened, and the flowing speed is reduced.

The invention relates to the field of gas-liquid mixing, and provides a bubble release assembly and an aeration device. The bubble release assembly comprises an inlet section; the shrinkage pipe is connected to the inlet section; the rotational flow disc is connected to the shrinkage pipe, and the rotational flow disc is provided with a reflection hole right facing the shrinkage pipe and a flow guide channel used for guiding fluid reflected by the reflection hole into the rotational flow cavity; the diffusion pipe comprises an inflow port and an expansion port, the inflow port is communicated with fluid of the rotational flow cavity, and the inner diameter of the expansion port is larger than that of the inflow port. According to the bubble release assembly, through a three-stage pressure reduction and energy dissipation structure of the shrinkage pipe, the rotational flow disc and the diffusion pipe and a rotational flow intensified turbulence mechanism, graded conversion of fluid kinetic energy and pressure energy is achieved, and the problem that bubbles are merged due to the fact that energy release of a traditional releaser is too concentrated is solved; the energy release stability of the air-dissolved water and the bubble generation efficiency are obviously improved.

The utility model relates to an electrical fireproof current-limiting protector with an isolation contact, which comprises a shell, a longitudinally through radiating tube is fixed in the shell, the upper end and the lower end of the radiating tube are fixedly connected with diffusion tubes with increased lengths and widths, and the radiating tube and the diffusion tubes form an I shape; the top faces of the diffusion pipes at the upper ends of the heat dissipation pipes are open, the bottom faces of the diffusion pipes at the lower ends of the heat dissipation pipes are open, and first heat dissipation holes are formed in the shell corresponding to the diffusion pipes at the upper end and the lower end and directly communicate with the diffusion pipes. Second heat dissipation holes are formed in the left side face and the right side face of the shell. According to the utility model, the vertically through radiating tube is arranged in the shell, and the electronic devices in the shell are isolated through the radiating tube, so that water drops are prevented from entering the radiating holes to be in contact with the electronic devices to cause short circuit under the condition of ensuring ventilation and radiating, and the device can also be used in a dripping environment. And the water drops fall into the heat dissipation pipe and are heated and vaporized to take away heat, so that the heat dissipation effect on the electronic device is further promoted.

The utility model provides a flue gas adsorption reactor, and particularly relates to the technical field of flue gas adsorption reactors. Which comprises an air inlet section, a venturi reactor and a turbulent flow reactor which are sequentially communicated, and is characterized in that the venturi reactor is formed by sequentially connecting a shrinkage pipe, a throat pipe and a diffusion pipe, the diameter of the throat pipe is smaller than 1 / 3 of the diameter of an inlet of the shrinkage pipe, and the length of the diffusion pipe is larger than 1.5 times of the length of the shrinkage pipe; the near-gas section is arranged below the shrinkage pipe, a feeding chute with an inclination angle of 10-20 degrees is formed in the side wall of the near-gas section, and an outlet of the feeding chute extends to an inlet of a throat pipe of the Venturi reactor. According to the utility model, through the design that the diameter of the throat pipe in the Venturi reactor is smaller than 1 / 3 of the inlet of the shrinkage pipe and the length of the diffusion pipe is increased by 1.5 times of that of the shrinkage pipe, the collision contact probability of flue gas and an adsorbent is obviously improved through a high-speed jet effect, the adsorption utilization efficiency is greatly improved, the gas-solid reaction time is prolonged, and the adsorption reaction is more sufficient.

An aircraft system having an impeller housing, an impeller housed within the impeller housing, wherein the impeller housing extends from an inlet end and to an outlet end, wherein the outlet end defines circumferentially distributed radially facing outlet ports, wherein in operation an airflow moves along a first axial direction into the inlet end of the impeller housing and is compressed by the impeller; a heat exchanger that is positioned radially exterior to the impeller housing and extends axially from an inlet end to an outlet end, wherein the inlet end of the heat exchanger defines inlet ports, and wherein in operation airflow into the heat exchanger moves along a second axial direction that is opposite the first axial direction; and diffuser pipes, wherein ones of the diffuser pipes connect ones of the inlet ports of the heat exchanger with ones of the outlet ports of the impeller housing.

The invention relates to the technical field of polyhydric alcohol synthesis, and discloses a polyhydric alcohol synthesis multistage series continuous flow reactor which comprises a base, a reaction kettle is fixed on the upper side of the base, a discharging pump is fixedly arranged in the middle of the reaction kettle, a reaction pipe is fixedly arranged at the output end of the discharging pump, and the reaction pipe is connected with the discharging pump. A plurality of conveying pipes are symmetrically and fixedly arranged on the outer wall below the middle of the reaction kettle, a diffusion pipe and a mixing pipe which are located on the inner side and the outer side of the reaction kettle are fixed to the two ends of each conveying pipe respectively, a nozzle fixed to one end of a feeding pipe is arranged in each mixing pipe, and a circulating pump is fixedly arranged at the bottom of the reaction kettle. Through the circulating pump, the reaction kettle, the nozzle, the feeding pipe, the mixing pipe, the diffusion pipe and the stirring assembly, full mixing reaction of raw materials is realized, and through cooperation of the discharging pump and the reaction pipe, the raw materials are subjected to deep reaction in the flowing process, so that the functions of continuous feeding and discharging in the polyol synthesis process are realized, and the production efficiency is improved.

The utility model relates to the technical field of recovery devices, in particular to a volatile deacidification liquid condensation recovery device which comprises a tank body, an observation window fixedly connected to the outer side of the tank body, a deacidification liquid recovery port fixedly connected to the inner side of the bottom end of the tank body, an air outlet fixedly connected to the rear end of the deacidification liquid recovery port, and an air inlet fixedly connected to the front end of the tank body. The inner side of the tank body is fixedly connected with a condensing coil through a support, the inner side of the tank body is fixedly connected with an in-bin partition plate, the inner side of the in-bin partition plate is fixedly connected with a diffusion pipe, the front end of the in-bin partition plate is fixedly connected with a flow guide pipe through a convex block, and the rear end of the in-bin partition plate is fixedly connected with a flow guide plate through a connecting frame. According to the device, through a three-stage cold trap structure and a diversion diffusion design, the condensation recovery efficiency of volatile deacidification liquid steam is remarkably improved, the loss and the cost of the deacidification liquid are reduced, and meanwhile, the high efficiency and the stability of the condensation process are ensured.

The utility model relates to the technical field of composite vapor barrier film processing, in particular to a multilayer composite vapor barrier film efficient drying device which comprises a rack, a drying assembly, a conveying assembly, a drying assembly and a supporting assembly, the drying assembly is arranged on the inner side of the rack, the conveying assembly is arranged on the inner side of the rack, the drying assembly is arranged on the inner side of the rack, and the supporting assembly is arranged on the inner side of the rack. A supporting assembly is arranged below the rack, the drying assembly comprises a guide pipe, a square pipe, a shrinkage pipe, a throat pipe, a diffusion pipe, an exhaust pipe and an air heater, the air heater is arranged on one side of the rack, the guide pipe is arranged at the output end of the air heater, the square pipe is arranged at one end of the guide pipe and arranged on the top face of the inner side of the rack, and the shrinkage pipe is arranged below the square pipe; the air speed is increased through the gradual shrinking structure, a wide rectangular hot air curtain is formed through the diffusion pipe to cover the width direction of the membrane material, the annular negative pressure groove is formed in the outlet of the diffusion pipe to generate local negative pressure, water vapor is discharged in a directional mode, and therefore the water stain phenomenon on the surface of the membrane material is eliminated, and the drying efficiency is improved.

The invention discloses a method for finely treating ion exchange resin by using micro-nano bubble water, which comprises the following steps: (1) preparing carbon dioxide functional water in a gas-liquid mixing unit: respectively inputting deionized water with the temperature of 15-20 DEG C and the pressure of 0.61-1.01 MPa and liquid carbon dioxide with the temperature of-20-20 DEG C and the pressure of 3.04-8.11 MPa into the gas-liquid mixing unit, saturated carbon dioxide functional water is formed under the condition that the pressure is 0.61-1.01 MP; (2) micro-nano bubble water is prepared in a micro-nano bubble generation unit, the micro-nano bubble generation unit is composed of two stages of Venturi structures, the taper angle of a diffusion pipe section of each Venturi structure is 15-25 degrees, and the carbon dioxide functional water forms the micro-nano bubble water with the average particle size of nano micro bubbles being 0.08-1 micron through the micro-nano bubble generation unit; and (3) the micro-nano bubble water is injected into the resin tank filled with the ion exchange resin from the bottom of the resin tank at the flow speed of 50-70 BV / h, the cleaning amount is 100-300 BV, and cleaning of the ion exchange resin is completed.

A hydrostatic rotating machine includes an internal element and an external element that revolve with respect to one another about an axis of rotation, a cylinder block, and a hydraulic distributor. The hydraulic distributor includes an insertion section extending axially between a section of lesser diameter and a section of greater diameter, with a first synchronization surface, and fluid distribution ducts which each have an end segment opening transversely at the first synchronization surface, and obliquely with respect to the axis of rotation. The cylinder block includes a reception section complementing the insertion section of the hydraulic distributor, and fluid diffusion ducts which each have an end segment opening transversely at the second synchronization surface, and obliquely with respect to the axis of rotation.

The utility model provides a waterproof flow guide device which comprises a flow guide plate and a water retaining strip. The guide plate is arranged at the top of a color steel plate of the parapet wall, the top side of the guide plate extends to one side, close to the inner side of the parapet wall, of the color steel plate, the bottom side of the guide plate at least extends to one side, close to the outer side of the parapet wall, of a through hole in the color steel plate, and the width of the guide plate is larger than the distance between the color steel plate and two protrusions adjacent to the through hole. And the guide plate is provided with a notch for the diffusion pipeline to pass through. And the water retaining strip is arranged at the top of the flow guide plate and surrounds the notch. In this way, rainwater on the side, close to the inner side of the parapet wall, of the diffusion pipe can all fall on the flow guide plate, and cannot fall on the area, located between the two protrusions adjacent to the through holes, of the color steel plate. Rainwater can be blocked by the water retaining strips in the downward flowing process, so that the rainwater flows around the through holes of the color steel plate, and the problem that the rainwater flows into a gap between the diffusion pipe and the color steel plate is solved.

The utility model discloses a sample helium cover special for helium spraying leakage detection of a nuclear power plant condenser, which comprises a cover body provided with an opening on one side so as to cover the condenser for helium feeding; the plurality of diffusion pipelines are symmetrically connected in a staggered manner and are fixedly connected with the cover body; a plurality of air outlet holes are formed in each diffusion pipeline in the same direction, and the multiple air outlet holes are formed at equal intervals to achieve uniform air outlet; the at least two gas charging connectors are symmetrically arranged on the diffusion pipeline, are respectively connected with the diffusion pipeline and are externally connected with a helium source; and the pressure monitoring joint is connected with the diffusion pipeline and is externally connected with a monitor so as to monitor the internal pressure of the diffusion pipeline. By increasing the number of the inflation connectors, the helium concentration in the leakage detection period can be increased, the distribution uniformity of helium in a helium cover area can be improved by arranging the air outlet holes at equal intervals, and therefore the sensitivity, effectiveness and accuracy of helium spraying leakage detection of the condenser are improved.

The present application belongs to the field of petrochemical industry, especially to a kind of storage tank feed diffusion pipe structure, aiming at the problem that when large flow oil product enters, due to the flow velocity is too fast, impact force is easy to produce, which causes damage to oil tank internal components and inner floating disc and generates static electricity, the following scheme is proposed, which includes tank body, the side of the tank body is fixedly connected with the first connecting pipe for liquid inlet, one end of the first connecting pipe is fixedly connected with the size head, in the present application, the medium entering the tank body can be impacted, effectively reducing the flow and kinetic energy of the oil entering the oil tank, thereby avoiding the impact force on the inner floating disc and the tank body, avoiding static electricity, improving the storage safety and service life of the tank body, at the same time, the spring supports the piston, reduces the impact force of the medium, improves the stability of the medium diffusion, maintains the safety of the pipeline, and also filters the medium by using the filter cartridge in the extension pipe, maintains the cleanliness of the medium.

The invention relates to a diffusion tube capable of improving diffusion uniformity, which comprises a feeding tube body and at least one diffusion tube body, and a plurality of groups of liquid discharge holes are distributed on the diffusion tube body; the feeding pipe body and the adjacent diffusion pipe bodies are connected through eccentric reducing pipes, the adjacent diffusion pipe bodies are connected through eccentric reducing pipes, and the pipe diameters of the diffusion pipe bodies are gradually increased from near to far. An inner floating roof storage tank comprises a tank body, and the volume of the tank body is 10,000 cubic meters. The number of diffusion pipe bodies in the diffusion pipe is three, and when the diameter of the tank body is D, the length of the first diffusion pipe body is 0.1 D, the length of the second diffusion pipe body is 0.2 D, and the length of the third diffusion pipe body is 0.2 D. By designing a reducing pipe type and optimizing the pipe diameter and the size and the number of the liquid drainage holes, the diffusion of gas can be effectively improved, and the impact of gas impact and water impact on the inner floating disc and the tank body is reduced.

The invention relates to the technical field of general electric digital data processing, in particular to a quality control optimization method, device and system for a quartz diffusion tube, and the method comprises the steps: obtaining a historical production record related to the quartz diffusion tube with a preset quality requirement, and the historical production record comprises a sub-record of a process in a process chain of the quartz diffusion tube; performing quality control theme extraction operation on the historical production record to obtain a quality control theme corresponding to the historical production record, and performing process element extraction operation on each sub-record in the historical production record to obtain a plurality of process elements; based on the occurrence frequency of the process elements in the historical production record related to the quality control theme, a quality control element set containing the process elements related to the quality control theme is extracted from the process elements, and the process elements outside the quality control element set are not related to the quality control theme; and determining a quality control optimization strategy for the process chain based on the quality control element set.

The utility model discloses a vacuum generating tube and a vacuum generator. The vacuum generating tube comprises a nozzle, a first-stage diffusion tube and a multi-stage diffusion tube which are connected in sequence, annular mounting grooves are formed in the outer surfaces of the nozzle and the air outlet end of the first-stage diffusion pipe, annular rubber rings are arranged in the annular mounting grooves, at least two one-way valve plates are arranged on the annular rubber rings, and the annular rubber rings and the one-way valve plates are integrally manufactured into flexible one-way valves; an airflow through hole is formed in the position, corresponding to the one-way valve plate, of the first shell sleeve. The first-stage diffusion pipe is connected with the multi-stage diffusion pipe through a second shell sleeve; airflow through holes are formed in the positions, corresponding to the one-way valve plate, of the first shell sleeve and the positions, corresponding to the one-way valve plate, of the second shell sleeve; the vacuum generator uses the vacuum generating tube. The valve is simple in structure, high in response speed, large in flow and convenient and fast to assemble.

The utility model provides a heating device, which comprises a mounting shell, a heating element, a heating element, a heating element and a heating element, and is characterized in that the mounting shell is internally provided with a vertically-through cavity; the hollow thick film heating tube is vertically arranged in the cavity, and a connecting wire is arranged on the hollow thick film heating tube; the heat diffusion pipes are vertically and oppositely arranged on the end faces of the two sides of the installation shell and arranged in the length direction of the installation shell at intervals. By means of the thick film resistance heating technology of the hollow thick film heating pipe, the hollow thick film heating pipe is rapidly heated after being powered on, heat energy is conducted to the heat diffusion pipes on the two sides of the installation shell at the same time, hot air is continuously released through air natural convection, the heat diffusion effect is good, and the service life is prolonged. And the hollow thick film heating pipe has the characteristics of low heat capacity, oxidation resistance, low radiation and the like, so that the service life of the heating device can be effectively prolonged.

The utility model provides a kind of sodium sulfonate cyclone separation device, including chassis, the upper fixed mounting of chassis has cyclone separator cylinder, the cyclone separator cylinder includes by cylinder and cone, the cylinder is located the upper of cone, the tangent direction fixed mounting of cylinder has feed pipe, the top center fixed mounting of cylinder has outlet pipe, the bottom fixed mounting of cone has discharge pipe, the feed pipe, outlet pipe and discharge pipe are all connected with the inner cavity of cyclone separator cylinder, the upper fixed mounting of outlet pipe has separation assembly. To the problem that the upward airflow in the contraction pipe hinders the falling of sodium sulfonate powder, the device guides the separated sodium sulfonate powder back to the cyclone separator cylinder through the transition pipe, diffusion pipe and annular impeller, effectively reduces the suspension and reflux of the material, and ensures the smoothness of the collection process.

The utility model discloses a jet type flocculating agent mixing device which comprises a mixing tank, a connecting pipe is arranged at a feed port at the upper end of the mixing tank, a diffusion pipe is arranged at the left end of the connecting pipe, a mixing pipe is arranged at the left end of the diffusion pipe, a nozzle is arranged inside the left end of the mixing pipe, a suction chamber is arranged inside the left end of the mixing pipe, and the jet type flocculating agent mixing device further comprises a secondary mixing mechanism. The secondary mixing mechanism comprises a protective cover, a rotating shaft, a rotating cylinder, supporting blocks and stirring blades, the protective cover is arranged at the upper end of the mixing tank, the rotating shaft is rotatably connected to the top wall of the protective cover, a sliding groove in the inner wall of the rotating cylinder is slidably connected with a sliding strip on the outer wall of the rotating shaft, and the supporting blocks which are uniformly distributed are fixedly connected to the outer wall of the rotating cylinder; according to the jet flow type flocculating agent uniform mixing device, when a flocculating agent is uniformly mixed, the flocculating agent is uniformly mixed twice, so that the flocculating agent is thoroughly and uniformly mixed, and the uniform mixing effect is better.

The application relates to the technical field of injectors, and discloses a jet type injector for nuclear power plants, which comprises, in sequence along a fluid flow direction, a receiving chamber, a mixing chamber and a diffusion pipe, the receiving chamber is provided with a working nozzle, the working nozzle comprises a fixed nozzle section and a movable nozzle core, the movable nozzle core is arranged in the fixed nozzle section and is arranged in sliding mode along the axial direction of the fixed nozzle section, the mixing chamber and the diffusion pipe are combined to form a Venturi tube structure, an adjusting mechanism is used for adjusting the throat section area of the diffusion pipe, and a control assembly is used for synchronously and reversely adjusting the outlet section area of the working nozzle and the throat section area of the diffusion pipe. According to the application, the throat section area is reduced by moving an adjusting block, and the outlet section area of the nozzle is increased by moving the movable nozzle core, the medium flow rate can be kept when the back pressure is increased, the injection efficiency of the injector is improved, and the working medium consumption of the injector is saved.

The invention relates to the technical field of general electric digital data processing, in particular to a thermal process control method and system for a quartz diffusion tube, and the system comprises a simulation unit which is used for carrying out the modeling processing according to the physical structure of the quartz diffusion tube, obtaining a digital twinborn body representing the quartz diffusion tube; a related process group related to the thermal process is obtained, the process parameter range of the thermal process is determined according to the process parameters of the thermal process in the related process group, and the related process group is a process combination which jointly influences the quality of the quartz diffusion tube; performing thermal simulation processing of transient temperature distribution on the digital twin in the process parameter range to obtain a simulation result; and based on the simulation result, determining a target process parameter from the process parameter range, and sending the process parameter to equipment related to the thermal process, so that the equipment executes the target process parameter.

The invention belongs to the technical field of electroplated brass wire production, and particularly relates to a hot air blowing nozzle which comprises an air inlet assembly, a connecting piece and an air outlet assembly, and the air inlet assembly comprises an air inlet pipe and a diffusion pipe; the connecting piece comprises a sleeve and an annular plate, the annular plate is arranged on the inner side of one end of the sleeve, and the sleeve sleeves the diffusion pipe through threads; the air outlet assembly comprises a flow slowing part, a pressurizing pipe and a sealing plate, the flow slowing part is arranged in the diffusion pipe, an air inlet and an air outlet are formed in the two ends of the flow slowing part respectively, the air inlet corresponds to the air inlet pipe, the air outlet is located outside the sleeve and fixedly connected with the pressurizing pipe, and an air blowing hole is formed in the air outlet end of the pressurizing pipe. Hot air is subjected to secondary pressurization through the flow slowing piece and the pressurization pipe, the pressurization effect is effectively guaranteed, diffusion of blown air flow and effective contact with the surface of a wire are guaranteed in cooperation with the V-shaped groove, and meanwhile the air outlet angle of the air blowing hole can be conveniently adjusted.