31results about How to "Improve the perturbation effect" patented technology

The invention discloses an alpine region-based double-curvature arch dam aeration ice-melting anti-icing device, and relates to the technical field of anti-icing, the alpine region-based double-curvature arch dam aeration ice-melting anti-icing device comprises a double-curvature arch dam body, a lifting structure, an aeration anti-icing structure, a PLC controller, a temperature sensor and a liquid level sensor are arranged on the outer convex curved surface side of the double-curvature arch dam body, and the aeration anti-icing structure comprises a plurality of fourth connecting pipes; the bottoms of the outer sides of the fourth connecting pipes are fixedly connected with a plurality of pressure release valves, and the bottoms of the pressure release valves are fixedly connected with bubble generators, so that along with the rise of the internal air pressure of the fourth connecting pipes, the air flow bursts through the pressure release valves and then is discharged through the bubble generators, and a large number of bubbles are generated; and in the process that the bubbles move towards the water surface, the water surface is stirred, the water surface is prevented from being frozen, the anti-freezing effect on the upstream side of the hyperbolic arch dam body is comprehensively achieved, and damage to the structure of the upstream side of the hyperbolic arch dam body caused by freezing is reduced.

The invention discloses a preparation device and a preparation method of fluffy short hybrid fibers. The preparation device comprises a spinning nozzle, a spinning runner, a collecting plate and an air supply device, the spinning nozzle and the collecting plate are oppositely arranged up and down, the spinning runner is located between the spinning nozzle and the collecting plate, and a high-voltage electrostatic field is arranged between the spinning runner and the collecting plate; liquid drops sprayed by the spinning nozzle pass through the spinning flow channel and the high-voltage electrostatic field and then are stretched into fibers, and the fibers fall on the collecting plate; the air supply device supplies air to the spinning flow channel, so that airflow passes through the spinning flow channel; a disturbance device is further arranged in the spinning flow channel and can disturb airflow and liquid drops, so that bubbles are mixed in the liquid drops. The disturbance device comprises an axial flow fan, air supplied by the air supply device forms air flow from top to bottom in the spinning flow channel, the air flow from top to bottom can drive the axial flow fan to rotate, and then the air flow and liquid drops are disturbed. According to the invention, fluffy short hybrid fibers can be prepared.

In order to solve the problem that nitrogen trichloride is accumulated in the chlorine buffer tank, the chlorine buffer tank capable of preventing nitrogen trichloride from being accumulated comprises a buffer tank body, the upper end of the buffer tank body is connected with an air inlet pipe, an exhaust pipe and a pressure gauge, and the lower portion of the buffer tank body is connected with a blow-off pipe; the inner extending pipe is located on one side of the interior of the buffer tank body and is distributed in the vertical direction, and the upper end of the inner extending pipe is connected with the exhaust pipe; the inclined pipe and the inner extending pipe are arranged in an inclined mode, one end of the inclined pipe is connected with the inner extending pipe, and the other end of the inclined pipe is located over an inlet of the blow-off pipe; the liquid level meter is used for detecting the liquid level height in the buffer tank, chlorine is introduced to the position above the lowest point of the bottom of the chlorine buffer tank body through the inner extending pipe and the inclined pipe, the disturbance effect of the chlorine on liquid chlorine at the bottom of the buffer tank body is further improved through inclined arrangement of the inclined pipe, and therefore residual accumulation of the liquid chlorine is reduced; and the safety risk of nitrogen trichloride is reduced.

The utility model relates to powder conveying technical field, and disclose a kind of tubular transmission mechanism of powdery material with vibration function, including conveying pipe, displacement device, vibration ring, vibration ring is slidably installed in the outer periphery of conveying pipe, and vibration ring is driven to reciprocate along the axis direction of conveying pipe by displacement device, the inner wall of vibration ring is provided with the multiple vibration components of circumferential uniform distribution, and vibration is transmitted to powdery material by dynamic knocking of vibration component to the outer wall of displacement device.The utility model drives vibration ring to reciprocate along the axis of conveying pipe by displacement device, simultaneously, vibration component of vibration ring inner wall carries out circumferential dynamic knocking to pipe wall, and forms the unblocking mode of "global coverage+multiple point vibration", when conveying strong viscosity milk powder, vibration frequency can reach 0-100Hz, can effectively break powder bridging, reduce pipeline blockage rate, solve the problem of poor conveying caused by powder adhesion, caking.

The utility model belongs to water treatment technical field, specifically discloses a perforated folded plate for sedimentation tank and the sedimentation tank of oblique installation perforated folded plate. The perforated folded plate is the plate -like structure of undulating extension and includes at least three folded plate tops of undulating top end and three folded plate bottoms of undulating bottom end, and the folded plate top of perforated folded plate is adjacent to the folded plate bottom and is provided with a plurality of folded plate holes on or close to the folded plate top. The water inlet and the water outlet of the sedimentation tank are separately arranged in the lower part and the upper part of the pool body, a folded plate support is fixed above the water inlet in the pool body, a plurality of aforementioned perforated folded plates are obliquely arranged on the folded plate support in the pool body, the folded plate top of the perforated folded plate faces upwards and the folded plate bottom faces downwards. The perforated folded plate top of the utility model is provided with the folded plate hole, and the sewage can flow upwards through the folded plate hole, which not only can increase the sedimentation area, but also can realize automatic sludge discharge, has the characteristics of simple structure, wide application range, high sedimentation efficiency and automatic sludge discharge.

The application discloses a kind of based on parallel confrontation's generative image steganography method, system, electronic equipment and computer readable storage medium, belong to image steganography technical field.The application proposes a kind of based on adding channel attention mechanism U-Net structure generation confrontation sample, enhance the security of multiple confrontation network architecture of existing steganography method, original image is generated by generator generation confrontation noise, and confrontation noise is reasonably distributed to original image to generate confrontation sample, and the steganography image generated by using the generated confrontation sample as carrier image through existing steganography algorithm can resist the detection of several most advanced steganalysis of present time;Solve the problem that " cannot resist the simultaneous detection of multiple steganalysis and cannot resist the detection of most advanced steganalysis of present time" in prior art.

The present disclosure relates to a variable aircraft. One of the first fixed wing and the second fixed wing is fixedly connected to the left side of the fuselage, and the other is fixedly connected to the right side of the fuselage; one end of the first connecting rod is hinged to the first fixed wing, and the other end is hinged to the first movable wing; one end of the second connecting rod is hinged to the second fixed wing, and the other end is hinged to the second movable wing; the directions of the hinged shafts are consistent with the longitudinal axis of the fuselage; the first movable wing and the second movable wing can be switched to the cross-wing configuration under the action of aerodynamic force and roll torque, in which the first movable wing is connected to the fuselage at one end and suspended at the other end, and the second movable wing is connected to the fuselage at one end and suspended at the other end; the first fixed wing, the first movable wing, the second fixed wing and the second movable wing are arranged in sequence around the longitudinal axis of the fuselage, the first fixed wing and the second fixed wing are opposite to each other, and the first movable wing and the second movable wing are opposite to each other.

The invention discloses a device for preparing graphene by air flow pulverization, and relates to the technical field of graphene pulverization. The invention vertically fixes an inner tube in the middle position inside an air flow pulverization bin, sleeves an outer tube on the outside of the air flow pulverization bin, and connects the inner tube and the outer tube with a feeding tube through a shunt tube, so that part of the graphene raw material is injected into the air flow pulverization bin from outside to inside through an outer nozzle fixed on the outer tube, and part of the graphene raw material is injected into the air flow pulverization bin from inside to outside through an inner nozzle fixed on the inner tube, which can greatly reduce the distance between the correspondingly arranged outer nozzle and inner nozzle, and to a certain extent reduce the loss of kinetic energy of the graphene raw material when it moves a long distance after being injected, which is beneficial to improve the intensity of the initial collision of the graphene raw material after it is injected into the air flow pulverization bin, and further beneficial to improve the efficiency and effect of the graphene raw material being pulverized by the air flow in the air flow pulverization bin.

A bone cement preparation and injection device comprises a water injector, a protective connector and a mixer, the water injector comprises a water injection outer cylinder and a water injection push rod which is inserted into the water injection outer cylinder in a sliding mode in the axial direction, and the head end of the water injection outer cylinder is provided with a first thread part and a water liquid injection opening communicated with an inner cavity; the mixer comprises a mixing outer cylinder, a mixing inner cylinder inserted in the mixing outer cylinder in a sliding mode in the axial direction, a stirring rod arranged in the mixing inner cylinder in a sliding and penetrating mode in the axial direction and a mixing push-pull rod used for driving the stirring rod to slide, the stirring rod is arranged in the mixing piston in a sliding and penetrating mode, and the tail end of the mixing push-pull rod is arranged at the tail end of the mixing inner cylinder in a sliding and penetrating mode; the head end of the mixing outer barrel is provided with a second thread part and a mixed liquid opening communicated with the inner cavity, the two ends of the protective connector are provided with connecting thread parts for the first thread part and the second thread part to be locked in a threaded mode respectively, and after the head end of the water injection outer barrel and the head end of the mixing outer barrel are locked to the protective connector in a threaded mode, the water injection opening is communicated with the mixed liquid opening. The device has the effect of ensuring the quality of the bone cement.

The application discloses a high-efficiency carbon fixation microalgae breeding device, and relates to the technical field of carbon fixation microalgae breeding.The device comprises an elongated pool, a partition plate is arranged at the middle position of the elongated pool, so that a loop-shaped channel in the shape of a long strip is formed in the elongated pool, bottom plates are arranged in the two parallel straight channels of the loop-shaped channel, the upper surfaces of the bottom plates are arranged in an inclined manner, and the inclined directions of the two bottom plates are opposite.Two liquid lifting mechanisms are arranged at the high end positions of the two bottom plates respectively, and are used for lifting the algal liquid in the loop-shaped channel to the high end of the bottom plate, so that the algal liquid flows downward along the upper surface of the bottom plate automatically.Two groups of disturbance mechanisms are arranged on the upper surfaces of the two bottom plates.The algal liquid is driven to form a turbulent state by the bidirectional inclined bottom plates, the liquid lifting mechanism and the disturbance mechanism, the problems of surface light inhibition and bottom dark area are reduced, and the light energy utilization efficiency of the microalgae is improved significantly.

The application discloses a substrate etching method and device. The substrate etching method comprises the following steps: immersing a substrate into a processing tank containing an etching solution, wet etching the substrate by the etching solution, and forming a deep structure on the surface of the substrate; and providing a gas into the etching solution based on a pulse signal to generate bubbles in the etching solution, wherein one pulse time of the pulse signal comprises a gas supply period and an intermittent period, and the intermittent period depends on a diffusion time required for a key component in the deep structure to reach a diffusion equilibrium after the end of the gas supply period.

The duct air-lubricating oil heat exchanger comprises a group of heat exchange units which are arranged in a circumferential mode, and each heat exchange unit comprises an outer duct upper cover plate, an outer duct lower cover plate, a duct supporting plate and a heat exchange core body which are composed of duct inner walls; an annular oil conveying pipe is arranged outside the heat exchange unit, and a lubricating oil inlet pipe and a lubricating oil outlet pipe are arranged on the oil conveying pipe; the heat exchange core body is fixedly arranged in a space formed by the outer culvert upper cover plate, the outer culvert lower cover plate and the duct supporting plate; the heat exchange core body comprises fixed fins, a heat transfer pipe, a bent pipe and a fin plate, the heat transfer pipe is connected with the bent pipe, the end part of the heat transfer pipe is connected with the oil conveying pipe through a lubricating oil connecting pipe, the fixed fins are arranged at the end part of the heat transfer pipe, and the fin plate is sleeved on the heat transfer pipe. The fins are arranged in a staggered mode, the heat transfer efficiency is improved, the detachable and cleaning functions are achieved, remarkable progress is made in the aspects of improving the lubricating oil cooling effect, reducing the air flowing resistance and enhancing the structural strength, and the heat exchanger is suitable for modern high-performance aircrafts.

The utility model discloses a biochemical diagnosis reagent mixing device relates to diagnosis reagent production technical field, the inside of shell body is equipped with mixing chamber, the lower part of shell body is equipped with the outlet of the mixing chamber, is equipped with the stirring shaft in mixing chamber, the middle section of stirring shaft is equipped with first fixed seat, the circumference of first fixed seat is equipped with a plurality of stirring vane, and is equipped with the fixed link between two adjacent stirring vane, one end of fixed link is connected with first fixed seat, and the other end of fixed link is connected with the conical fairing. Improved the homogeneity and efficiency of overall mixing.

The invention discloses a method for optimizing the cooling effect of fire-fighting suits based on underarm heat dissipation channels, and relates to the technical field of fire-fighting equipment, including: S1, constructing an initial underarm heat dissipation data set; S2, quantifying heat dissipation dynamics and outputting underarm heat dissipation performance parameters; S3, regulating airflow disturbances through dynamic curvature and combining a segmented channel design structure to generate a preliminary channel optimization model; S4, forming a multi-channel heat transfer model through a parallel design of main and auxiliary channels and a hierarchical coupling structure; S5, adopting a non-circular wing-shaped cross-section design and a variable cross-section transition to output a channel morphology model; S6, embedding a guide fin and a spiral structure to generate an airflow field optimization model; S7, combining an ant colony optimization algorithm with a gray wolf optimization algorithm to generate a dynamically optimized underarm heat dissipation channel model; S8, obtaining a final optimized fire-fighting suit underarm heat dissipation channel solution. The invention adopts underarm heat dissipation dynamic modeling, multi-channel optimization and hybrid intelligent algorithm tuning to achieve efficient underarm heat dissipation channel design.

The utility model discloses a cascade industrial water chiller which comprises a liquid storage system, a multi-stage heat exchanger, a multi-stage cooling system and a control system. The liquid storage system comprises a liquid storage tank provided with a liquid inlet and an air return port and a refrigerant pump connected with the liquid storage tank, and is used for storing and supplying a refrigerant; the multi-stage heat exchanger comprises a high-temperature-stage heat exchanger, a low-temperature-stage heat exchanger and an intermediate heat exchanger arranged between the high-temperature-stage heat exchanger and the low-temperature-stage heat exchanger, the intermediate heat exchanger is of a spiral plate type or spraying film type structure, and refrigerant thermal coupling between the high-temperature-stage heat exchanger and the low-temperature-stage heat exchanger The multi-stage cooling system comprises a high-stage compressor and a low-stage compressor which are correspondingly connected with respective heat exchangers; the control system is used for adjusting operation parameters such as compressor frequency, refrigerant pump speed and nozzle angle in real time. The heat exchanger is compact in structure and high in heat exchange efficiency, has intelligent response and energy efficiency optimization capabilities, and is suitable for industrial refrigeration occasions such as multiple temperature zones and deep cooling.

The utility model discloses a power transmission line deicing device, which relates to the technical field of power transmission line maintenance and comprises a shell, two fixed wheels arranged on the inner top wall of the shell along the length direction of the shell, a linear transmission mechanism positioned between the two fixed wheels and capable of moving along the vertical direction of the shell, and two extrusion pieces positioned in the shell and capable of moving along the vertical direction of the shell. The extrusion part is used for bending the power transmission line and comprises an adjusting wheel and a connecting rod, the adjusting wheel is rotationally arranged on the inner bottom wall of the shell in the length direction of the power transmission line and located between the two fixed wheels, the height of the top end of the adjusting wheel is lower than that of the bottom ends of the fixed wheels initially, and one end of the connecting rod is rotationally connected to the adjusting wheel. By setting the adjusting wheel as a rotatable lifting structure and combining a multi-point arrangement mode, the power transmission line is bent and deformed at multiple positions at the same time, the disturbance effect of an ice layer can be remarkably enhanced, the cracking efficiency of an ice coating layer can be improved, and the overall deicing performance of the deicing device can be improved.

The utility model belongs to heat exchanger technical field, specifically provides a height different bimodal fin, heat exchanger and air conditioner. The utility model aims at solving the problem of narrow wind speed range of the airflow of the fin disturbance effect of the existing heat exchanger is better. For this, the fin of the utility model includes the fin body part and at least one column pipe hoop part, and the pipe hoop part is used for allowing the refrigerant pipe to penetrate and is connected with the refrigerant pipe heat. The fin body part includes the windward side wave crest section, the wave trough section and the leeward side wave crest section that meet in turn, and the wave trough section is arranged with one column pipe hoop part in its extension direction, the height of windward side wave crest section and the height of leeward side wave crest section are different, so as to increase the structural strength of fin body part, and destroy the boundary layer of airflow adhesion on the surface of fin body part. The utility model makes the fin body part can play the better disturbance effect to the airflow in the wider wind speed range, and strengthens the effect of fin destroying the boundary layer of airflow adhesion on the surface of fin body part.

The utility model provides a kind of superfast detection device of fluorescent quantitative polymerase chain reaction, it is related to molecular biology detection technical field, including: casing, the bottom position of the one side of the casing and the inside position of casing are equipped with firm plate respectively, the firm plate of bottom is equipped with first electric motor on one side, the bottom position of the firm plate of inside is equipped with third electric motor, the bottom position of casing is equipped with locating sleeve on the other side.Electric motor driven stirring sleeve simultaneously, synchronously stirs a group of reaction test tube, makes fluorescent quantitative polymerase chain fully mix in reaction test tube, the inside of stirring sleeve is provided with detection rod and the reaction of fluorescent quantitative polymerase chain is rapidly detected, the setting of an electric motor simplifies the drive structure and energy consumption of a group of stirring sleeve, detection rod, solves the problem that traditional integration structure is poor in adaptability, maintenance is complicated.

The application discloses a fluorine-free environment-friendly quartz chemical purification device, which comprises a kettle body, a kettle cover, an inner container, a pressing plate and a first motor. The kettle cover is detachably connected to the top of the kettle body. The inner container is arranged in the kettle body and is rotatably connected to the kettle body. The inner container is provided with a plurality of stirring plates which are distributed at intervals along the circumference of the inner container. The stirring plates are connected to the inner side wall and the inner bottom wall of the inner container and extend upward and helically along the circumference of the inner container. The pressing plate is installed on the top of the kettle body and presses the inner container to prevent the inner container from moving upward relative to the kettle body. The first motor is installed on the bottom of the kettle body, the output end of the first motor penetrates the bottom wall of the kettle body and is transmissionally connected to the inner container. The first motor is used for driving the inner container to rotate relative to the kettle body. The device has a good disturbance effect on the deposited layer at the bottom of the kettle body.

The utility model relates to the technical field of sewage treatment, in particular to an air stirring device, which solves the problems in the prior art that the dissolved oxygen exceeds the standard and the stirring effect is not ideal, and comprises a biochemical pool and an aeration assembly, the aeration assembly comprises an aeration main pipe and an aeration branch pipe, and the aeration main pipe extends out of the biochemical pool to be connected with a fan; one end of the aeration branch pipe is communicated with the aeration main pipe, the other end of the aeration branch pipe is provided with an aeration port, and the outlet direction of the aeration port is horizontally and obliquely arranged relative to the side wall of the biochemical pool; and a mechanical stirring assembly is arranged in the biochemical pool. The biochemical pool has the beneficial effects that when the fan introduces air into the biochemical pool through the aeration branch pipe, the air drives liquid in the biochemical pool to flow along the horizontal direction to form circular flow, so that the aeration assembly has a better stirring function, and meanwhile, the mechanical stirring assembly is arranged in the biochemical pool, so that the disturbance capability on sludge at the bottom of the biochemical pool is enhanced, and the sludge is prevented from entering the biochemical pool. The stirring effect is improved.

This application relates to an energy-saving continuous conveying furnace waste heat recovery system, belonging to the field of waste heat recovery. It includes a furnace body and a collection box, connected to the furnace body and the collection box via a flue pipe. The collection box is connected to an exhaust pipe, a liquid delivery pipe, and a liquid drain pipe. The heat exchange section between the liquid delivery pipe and the liquid drain pipe is located inside the collection box. A rotatable air guide plate is installed inside the collection box, located between the flue pipe and the heat exchange section. The flue pipe is connected to a variable frequency fan. A bucket-shaped flue hood is located at the connection between the flue pipe and the collection box. A flue plate with flue holes and a steering drive are rotatably installed inside the flue hood. The air guide plate consists of a mounting rod and air guide strips, with air guide grooves on the air guide strips. The heat exchange section is movably connected to the collection box and connected to the liquid delivery pipe and the liquid drain pipe via a flexible connecting pipe. A hanging rope hook on the top of the collection box is connected to a hanging ring on the heat exchange section. This application achieves the technical effects of effectively recovering waste heat, improving energy utilization efficiency, facilitating equipment maintenance, and adjusting airflow.

The present application relates to large seeding machine technical field, especially provide an agricultural intelligent seeding machine, including suspension and opposite control system arranged in the seeding machine cab, the suspension is installed with front wheel frame, rear wheel frame and seed bin, eccentric wheel and flywheel are installed on the rear wheel shaft, the eccentric wheel and the flywheel form the discharge gap between, the seed bin is connected with rubber discharge pipe, the discharge end of the rubber discharge pipe enters the discharge gap, and the protruding assembly is arranged on the discharge end of the rubber discharge pipe, the outer end of the protruding assembly is contacted on the curved surface of the eccentric wheel, the pressure sensor is installed on the rubber discharge pipe, forces the rubber discharge pipe to shake in the discharge gap at high frequency, continuously destroys the adhesion of seed on the pipe wall, inhibits the formation of blockage from the source, when the curved surface of eccentric wheel and protruding assembly contact and cause the gap to narrow, the extrusion effect further strengthens the disturbance effect, realizes the follow-up type forced dredging.

This invention belongs to the field of fuel cell thermal management technology, and particularly relates to a battery cooling system and its control method based on a microtube bundle heat exchanger and countercurrent collision jet atomization. The system includes: a fuel cell stack, a microtube bundle heat exchanger connected to the fuel cell stack via a coolant circulation loop, a cathode drainage recovery unit, and a countercurrent collision jet atomization unit comprising a fan and an atomizing spray module. The fan, atomizing spray module, and microtube bundle heat exchanger are arranged sequentially. The airflow direction generated by the fan rotation and the direction of the water mist sprayed by the atomizing spray module are opposite to each other, so that the water mist sprayed by the atomizing spray module initially moves towards the direction of the fan. After its speed decreases to zero, it is driven by the airflow generated by the fan to move in the opposite direction and flows through the gaps within the microtube bundle heat exchanger, serving as shell-side fluid to cool the tube-side fluid within the microtube bundle heat exchanger.

The utility model belongs to the field of forestry protection, relates to a wind tunnel simulation test device for forestry protection. The device includes at least one roughness element unit, which includes a main body, a roughness element, a connecting element and a counterweight element. The main body is in the shape of a right triangular pyramid and is telescopic, and has three edges that meet at a right angle and are perpendicular to each other. The roughness element is located on the outer surface of at least one right angle face of the main body, and has a predetermined roughness. The connecting element is arranged on the edge of the face opposite the right angle to interact with other connecting elements and be joined together. The counterweight element is located inside the main body and increases the weight of the roughness element unit. The device of the utility model designs roughness element units that can be used individually or in combination, can flexibly adjust the size and shape of the roughness element according to different scaling ranges, and meets the simulation needs of different scaling and structural diversification test scenarios in the forestry environment.

This invention discloses a perforated ribbed cooling structure and a turbine blade constructed therefrom. The novel perforated ribbed cooling structure includes ribs with a plurality of cooling holes formed on them. The length direction of the ribs forms a certain angle with the cooling flow direction. The turbine blade includes an outer surface, film cooling holes, impact holes, and a turbulence column array. The outer surface of the blade has the mid-section airfoil of an E3 blade. This invention enhances heat transfer on the blade surface and ensures a uniform temperature distribution, thereby guaranteeing normal operation of the turbine blade and extending its service life.

The application relates to the technical field of heat exchange, and discloses a heat exchange plate and a battery pack. The heat exchange plate comprises a first plate body, a second plate body and a flow disturbing piece. The first plate body has a first surface and a second surface arranged along the thickness direction, and the first surface of the first plate body is provided with a heat exchange flow channel; the second plate body is connected with the first surface of the first plate body, and the surface of the second plate body away from the first plate body is respectively provided with a first interface and a second interface in communication with the heat exchange flow channel; the heat exchange medium can be input from one end of the heat exchange flow channel through the first interface, and the heat exchange medium can be discharged from the other end of the heat exchange flow channel through the second interface; the flow disturbing piece is located in the heat exchange flow channel and extends along the heat exchange flow channel, the flow disturbing piece is made of a spiral wire, and the flow disturbing piece comprises a plurality of first flow disturbing sections and second flow disturbing sections. In the above manner, the mixing effect between different layers of heat exchange medium in the heat exchange flow channel can be improved, and the temperature of the heat exchange medium at each position in the heat exchange flow channel is more uniform.

The invention provides a detection system and a detection method for detecting the leakage rate of an iodine adsorber, and relates to the technical field of nuclear air purification. The detection system further comprises two detectors and two sampling branches. The first detector is configured to detect the tracer concentration in the upstream gas of the iodine adsorber; the second detector is configured to detect the concentration of the tracer agent in the downstream gas of the iodine adsorber; the first sampling branch is connected with the upstream of the iodine adsorber and the first detector, and the second sampling branch is connected with the downstream of the iodine adsorber and the second detector; wherein the sampling branch comprises a buffer chamber, a first negative pressure device and a detection pipeline. The buffer chamber is connected with the upstream of the iodine adsorber through a first pipeline; the first negative pressure device is connected with the buffer chamber, and the first negative pressure device is configured to suck upstream gas to be detected of the iodine adsorber into the buffer chamber; the detection pipeline is connected with the buffer chamber and the detector. By arranging the buffer chamber, the airflow disturbance resistance of the detection system can be improved, and the stability of the detection system and the accuracy of a detection result are improved.

The invention relates to the technical field of additive manufacturing equipment. The closed type environment-friendly charging and mixing device for ceramic 3D printing large-scale production comprises a base, a stirring bin, a stirring device and a top cover, the top cover and the stirring bin are closed to form a closed space, and the requirement for environment-friendly production is met. The stirring device is composed of a driving device, a movable device and an adjusting device, and the driving device, the movable device and the adjusting device cooperatively construct a multi-dimensional three-dimensional stirring flow field. The driving device provides double transmission power, the movable device achieves accurate power transmission and stirring track fine adjustment, and the adjusting device can flexibly adjust the stirring posture and the material contact range. Through multi-component linkage, ceramic powder is effectively prevented from sinking to the bottom and caking, the mixing requirements of materials with different viscosities are met, the material mixing uniformity and the production continuity are improved, the maintenance cost and the material waste are reduced, the structure is stable and reliable, the device is suitable for ceramic 3D printing large-scale production, and good practicability and popularization value are achieved.

The invention discloses an integrated flue gas treatment device which comprises a desulfurization device, a filter tube dust removal device, a denitration device and a fan which are sequentially connected through a pipeline, an inlet of the desulfurization device is connected with a flue gas conveying pipe and a desulfurization agent conveying pipe, an inlet of the denitration device is connected with a denitration agent conveying pipe, and the filter tube dust removal device comprises a shell. The interior of the shell comprises a spoiler and a partition plate, and the spoiler and the partition plate divide the interior of the shell into an air outlet chamber; a plurality of filter pipes are installed in the dust removal chamber from top to bottom at equal intervals, and a plurality of turbulent flow blocks are arranged between every two adjacent filter pipes; an air supply pipe is arranged in the air supply chamber, and a plurality of turbulent flow units matched with the filter pipes are arranged on the turbulent flow plate. The device is used for desulfurization, denitrification and dust removal treatment of flue gas, two stages of airflow disturbance mechanisms are designed in the filter tube dust removal device, dust on the surface of the filter tube can be effectively cleaned, the filtering effect of the filter tube is improved, and then the flue gas treatment effect is improved.

The utility model discloses a frozen meat thawing device including thawing groove, thawing frame, first air -blowing subassembly second and air -blowing subassembly, be provided with water inlet and water outlet on the one side inner wall of thawing groove, thawing frame is the storage carrier of frozen meat, and the bottom center of thawing frame is provided with through -hole, thawing frame still evenly distributed with a plurality of first air -vent hole on, and first air -blowing subassembly is by air pump, breather pipe and first connecting unit, and the air -out end of air pump is communicated with the air -in end of breather pipe, and the air -out end of breather pipe is connected with first connecting unit, and first connecting unit is vertically set in the bottom center of thawing groove, second air -blowing subassembly includes air -blowing rod and second connecting unit, and the rod diameter of air -blowing rod is adapted with the through -hole aperture of thawing frame bottom, and air -blowing rod evenly distributed with a plurality of second air -vent hole, and second connecting unit is fixedly connected with air -blowing rod, and frozen meat thawing device passes through double -layer air -blowing subassembly, and the thawing efficiency and uniformity of frozen meat have been improved significantly.