1910 results about "Internal cavity" patented technology

The invention provides a control method of an intestinal tumor resection robot combining preoperative images and intraoperative navigation, and relates to the technical field of medical instrument control. The method comprises the following steps: acquiring preoperative multi-modal image data of the intestinal tract of a patient, and performing three-dimensional reconstruction on the image data to generate an initial three-dimensional model; dividing a navigation area in the enteric cavity according to the initial three-dimensional model; based on the core area, collecting a dynamic image of the intestinal tract inner cavity in real time through intraoperative navigation equipment, extracting anatomical mark points in the dynamic image, registering the dynamic image with the initial three-dimensional model, updating tissue deformation parameters in the three-dimensional model, and obtaining an updated three-dimensional model; on the basis of the updated three-dimensional model, obstacles in the intestinal tract are recognized, and the minimum space distance between the obstacles and the robot tail end instrument is calculated; and according to the spatial distribution and the minimum spatial distance of the obstacles, an initial motion path of the robot tail end instrument is planned. According to the invention, the efficiency and accuracy of the intestinal tumor resection operation can be improved.

The invention belongs to the technical field of burning detection. The invention provides a cavity structure for firing residue detection, a detection system and a detection method. The cavity structure comprises a test cavity assembly and an upper cover assembly, the test cavity assembly comprises a cavity shell, an inner cavity body and a lifting driving mechanism, the inner cavity body is arranged in the cavity shell, the output end of the lifting driving mechanism is connected with the inner cavity body to drive the inner cavity body to move up and down, and when the inner cavity body ascends and is matched with the upper cover assembly to complete sealing, an inner cavity space for accommodating the test cup and the sample placing disc is formed; when the inner cavity descends and is separated from the upper cover assembly, the test cup and the sample placing disc are exposed in an outer cavity space formed by the cavity shell and the upper cover assembly; the inner cavity body is provided with an inner cavity heating element for heating the inner cavity space, and / or the upper cover assembly is provided with an upper cover heating element for heating the inner cavity space; according to the invention, the problems of long heating time, poor temperature uniformity and low temperature control precision during detection of the firing residues are solved, and the detection precision of the firing residues is greatly improved.

The invention relates to the technical field of oil and gas well completion sand prevention, in particular to a sand blasting perforation and sand prevention integrated combined operation device and a construction method. According to the technical scheme, a central pipe is installed in the center of an inner cavity of a jet pump assembly, the lower end of the central pipe extends out of the jet pump assembly, a liquid suction opening is formed in the lower middle portion of the jet pump assembly, a liquid outlet is formed in the outer wall of an upper connector, and a mixing cavity and a diffusion cavity are formed between the jet pump assembly above the liquid suction opening and the central pipe. An outlet of the diffusion cavity is communicated with the liquid outlet; the inner side of the central pipe is movably connected with a lower sliding sleeve; a nozzle is mounted on the jet pump assembly outside the lower flow transfer hole; and the inner side of the upper flow transfer hole of the central pipe is movably connected with a middle sliding sleeve. The method has the beneficial effects that the three processes of sand blasting perforation, blockage removal after perforation and ground filling sand prevention are completed by tripping in the tubular column once, so that the times of tripping the tubular column and using ground construction equipment are reduced, the construction efficiency is improved, the construction cost is saved, and the well control risk in the construction process is reduced.

The invention discloses a permeable hinged type ecological slope protection structure for sheltering benthonic animals in a canal. The permeable hinged type ecological slope protection structure is formed by distributing a plurality of slope protection blocks on a bank slope in an array mode. The slope protection block body is of an integrated structure and comprises an upper halfpace section and a lower rectangular enclosure frame section. An inner cavity of the slope protection block body is formed by a space enclosed by the lower rectangular enclosure frame section and a halfpace-shaped cavity in the upper halfpace section; lateral channels communicating with the inner cavity are formed in the left side and the right side of the slope protection block body, and the lateral channels on the two sides directly face each other. Through holes communicated with the inner cavity are formed in the top surface, the front side surface and the rear side surface of the upper halfpace section; the front side and the rear side of the lower rectangular enclosure frame section are respectively provided with a linkage hinge bayonet and a linkage hinge clamping block which are matched with each other; an induction adhesion layer is arranged on the top surface of the upper halfpace section; in the shoreline direction, the lateral channels of the adjacent slope protection block bodies are aligned and communicated; the adjacent slope protection blocks are clamped and matched in the direction perpendicular to the shoreline. According to the method, a relatively stable near-bottom shielding and slow-flow sheltering space can be formed, and habitat communication and attachment induction interface construction are considered.

The invention belongs to the technical field of irrigation equipment, and discloses an anti-blocking water pumping pipe head device for irrigation, which is technically characterized by comprising a water pumping pipe and a protective cover, a filter plate is fixedly mounted in an inner cavity of the water pumping pipe, a central shaft is arranged below the filter plate, and a rotating assembly connected with the central shaft is arranged in the inner cavity of the water pumping pipe; an outer anti-blocking mechanism is arranged on the surface of the protective cover, the outer anti-blocking mechanism comprises a cutting assembly and a driving assembly, an inner anti-blocking mechanism matched with the filter plate is arranged in an inner cavity of the water pumping pipe, and the inner anti-blocking mechanism comprises an inner cutting blade, a supporting assembly, a swing assembly and a rolling assembly. And by arranging the cutting assembly to be matched with the driving assembly, the aquatic plants attached to the outer side of the protective cover can be efficiently and automatically smashed, the situation that the protective cover is blocked by the aquatic plants is effectively avoided, and the water pumping efficiency of the water pumping pipe is effectively improved.

The utility model discloses a double-suction double-discharge reciprocating injection pump which comprises a pump body, a liquid inlet pipe and a liquid outlet pipe, two pistons are arranged in an inner cavity of the pump body at intervals in the length direction, the two pistons are movably assembled with the inner cavity of the pump body in a sealing mode, and the inner cavity of the pump body is divided into a first closed cavity, a sterilization air cavity and a second closed cavity by the pistons, a linkage rod located in the sterilization air cavity is arranged between the two pistons; one end of the pump body is provided with a first interface and a second interface which are respectively communicated with the first closed cavity, the other end of the pump body is provided with a third interface and a fourth interface which are respectively communicated with the second closed cavity, the first interface and the third interface are both communicated with the liquid inlet pipe, and the second interface and the fourth interface are both communicated with the liquid outlet pipe; one-way valves are arranged in the first connector, the second connector, the third connector and the fourth connector respectively. The liquid balance device can solve the problem of liquid balance of continuous blood purification equipment in a vibration impact environment of a moving occasion, simplifies the principle, and improves the reliability.

The invention discloses a basket mechanism and a biological sample storage device. The basket mechanism comprises a heat preservation box body, a transmission assembly, a basket hook and a driving motor. The heat preservation box body comprises a shell, a sealing door and a heat preservation gas conveying piece. The shell is hollow and provided with a bottom end opening. The sealing door is slidably mounted at the bottom of the shell; the heat preservation gas conveying piece is arranged on one side of an inner cavity of the shell, communicates with a gas source of heat preservation gas and is provided with a plurality of micropores. The transmission assembly is arranged on the other side of the inner cavity of the shell, the side, facing the heat preservation gas conveying piece, of the transmission assembly is connected with the basket hook, and a basket channel is formed between the transmission assembly and the heat preservation gas conveying piece and communicates with the bottom end opening. The output end of the driving motor is connected with the transmission assembly. By means of the arrangement, in the process that the basket mechanism is transferred or taken out, heat preservation operation can be automatically conducted on a sample tube, global low-temperature operation does not need to be conducted on a biological sample library, the speed is increased, and waste of refrigeration resources such as liquid nitrogen is avoided.

The invention relates to the technical field of piston pump leaking stoppage, and discloses a flow leaking stoppage device for a piston pump, which comprises a leaking stoppage clamp, the leaking stoppage clamp comprises a first clamp component and a second clamp component which are symmetrically arranged, and the first clamp component and the second clamp component are in a T shape rotating 90 degrees anticlockwise. A vertical pipe and a transverse pipe are clamped in the first clamp component and the second clamp component, inner cavities are formed in the first clamp component and the second clamp component, the inner cavities form a complete closed cavity when the first clamp component and the second clamp component are combined, and a first rubber pad is fixedly connected to the inner ring shell wall of the first clamp component and the inner ring shell wall of the second clamp component. After the inner cavity is filled with cooling water, the leaking stoppage clamp forms a wrapping type cooling clamp, the cooling effect on the pump cavity is achieved, the possibility that the sealing effect is reduced and water leakage is caused due to the fact that the temperature of the pump body is too high and the rubber sealing piece is thermally deformed is reduced, the leakage risk is reduced, and the service life of the piston pump is prolonged.

The utility model provides a strutting test mould, including holding rod, actuating component and two oppositely arranged bracing plate, holding rod includes the near end block that is provided at the far end and axial through inner cavity, actuating component includes drive piece, far end block and transmission structure, drive piece can be movably penetrated in holding rod inner cavity, drive piece is equipped with the far end block and transmission structure, and drive piece is equipped with the far end block and transmission structure, and the drive piece is equipped with the far end block and transmission structure. The near-end block and the far-end block are both in sliding connection with the two supporting plates, the transmission structure is in transmission connection with the far-end block and the driving part, the driving part is rotated to drive the far-end block to move towards or away from the near-end block, and the two supporting plates are opened or closed accordingly. According to the expandable test mold, a doctor can accurately simulate the condition of an implant in a body only through one surgical instrument, test mold instruments with different specifications and sizes do not need to be frequently inserted and taken out in the surgical process, the surgical time can be shortened, damage to surrounding tissue can be avoided, and pain of a patient and surgical risks are reduced.

The invention relates to the technical field of animal experiment equipment, and discloses an isolated culture device for mouse sweet water preference test in an IVC cage, which comprises a shell cover, the partition plate is fixedly installed on the inner side wall of the shell cover, and an inner cavity of the shell cover is divided into a living area and a functional area through the partition plate; the sliding cover is arranged in the living area of the shell cover and used for containing solid feed, and multiple sets of feeding trough openings which are arranged at equal intervals are formed in the bottom of the sliding cover; according to the device, an innovative cage-in-cage design is adopted, a single cage is converted into a plurality of independent experiment units on the premise that an existing IVC system is not changed, and cage position resources are greatly saved. The functions of isolation, double-bottle water drinking and independent feeding are integrated, and convenient operation is achieved through the pull-out type fixing plate and the sliding cover plate. The centrifugal tube is adopted to replace a special water bottle, so that the cost is reduced, the SPF environment is kept in the whole process, data accuracy and reliability are ensured, and the traditional SPT test problem is effectively solved.

The invention discloses a purging and trapping device with a stirring function for detection and a use method, and relates to the technical field of food and environment monitoring. The device comprises a cylindrical shell, and the interior of the cylindrical shell is divided into a cylindrical inner cavity and an annular outer cavity through an annular partition plate. The air inlet pipe communicates with the cylindrical inner cavity, and the air outlet pipe communicates with the annular outer cavity. The sample box is rapidly installed through cooperation of the side edge limiting blocks and the annular groove and the vertical groove in the inner wall of the shell. When gas enters, the driving blades drive the stirring shaft to rotate, and the stirring blades automatically adapt to the sample depth. The circular-truncated-cone-shaped blocking block and the second taper hole are in linkage sealing, and it is ensured that gas is discharged after flowing through the sample. The using method comprises the steps of sample box installation, gas purging, circulation acceleration and the like. According to the device, the purging efficiency is improved, the operation is simplified, and the gas leakage risk is reduced.

The prostate stent conveyor with the balloon particularly relates to the technical field of medical instruments and comprises an outer tube, an inner tube coaxial with the outer tube is arranged in the middle of an inner cavity of the outer tube, the inner cavity at the left end of the inner tube is rotationally connected with a rotating assembly, and the right end of the rotating assembly is fixedly connected with a sliding assembly. The middle of the sliding assembly is fixedly connected with a guide rod, the outer surface of the guide rod is sleeved with an elastic assembly, a first guide pipe is arranged in an inner cavity of the inner pipe, the right end of the first guide pipe is fixedly connected with a balloon communicated with the inner cavity, and the inner wall of the outer pipe is fixedly connected with a guide-in assembly. According to the prostate stent conveyor with the balloon, a prostate stent can be fixed in the inner tube to be conveyed by arranging the inner tube, the stent is prevented from damaging prostate tissue of a patient in the conveying process, the stent can be fixed in the conveying process by arranging the balloon, after the stent is conveyed to a set position, the balloon is blown firstly, and then the balloon is blown to the set position. Therefore, the pain of the patient can be relieved.

The peak closed type condensation cooler comprises a box body, and an air mixing chamber is arranged on the upper portion of an inner cavity of the box body; two connected fog dispersal modules are arranged in the box body, a resistance reducing shutter and a water distribution device are sequentially arranged between the fog dispersal modules and the side wall of the box body, and the two fog dispersal modules, the resistance reducing shutter and the water distribution device divide a lower cavity of the box body into a first cavity, a second cavity and a third cavity; the fog dispersal module is provided with a cold air channel and a hot air channel which communicate with the air mixing chamber. Through the structural design of bottom air inlet, the sufficient fresh air introduction area can be achieved on the premise that the height of equipment is not increased, then the air path resistance is reduced, the fan operation pressure head and energy consumption are reduced, and the overall energy-saving performance of the equipment is improved. Meanwhile, on the premise that the vertical size of the equipment is not increased, the lift requirement of the spraying water pump is reduced, the energy consumption and the operation burden of the water pump are reduced, and the operation economical efficiency and the structure compactness of the whole equipment are improved.

The invention relates to a saliva sample extractor for the non-invasive collection of saliva samples, particularly from infants. The saliva sample extractor is designed as a pacifier and comprises a teat (1) formed as a shape-elastic bladder with an inner cavity (7) for saliva collection. The wall of the teat (1) has at least one wall section made of a fluid-selectively permeable membrane (6), through which saliva fluid (8) can pass into the inner cavity (7). The teat (1) also has a vent opening closed by a one-way valve (5). Saliva collection occurs passively through natural sucking and chewing movements. The saliva sample extractor ensures hygienic, stress-free, and efficient saliva collection, which is particularly suitable for infants and uncooperative patient groups.

The utility model relates to the technical field of medical instruments, in particular to a pulmonary artery wedge pressure balloon. The pulmonary artery wedge pressure balloon comprises a catheter and a balloon body, one end of the catheter is provided with an inclined and elastic bent section, the balloon body is arranged on the outer wall of the end of the bent section, an airflow cavity channel communicated with an inner cavity of the balloon body is formed in the catheter, and the airflow cavity channel penetrates out of the side wall of the other end of the catheter. The pulmonary artery pressure detector has the advantages that the structural design is simple and reasonable, the use cost is low, and the pulmonary vessel pressure information of a pulmonary artery hypertension patient can be effectively detected, so that medical staff can judge the drug effect of administration according to the information or accurately evaluate the interventional operation of the patient.

The invention discloses a feeding device for animal husbandry, and relates to the technical field of raw material mixing, the feeding device comprises a fixed bottom frame, a fixed frame is mounted at the top end of the fixed bottom frame, a storage frame is mounted at the upper end of the periphery of an inner cavity of the fixed frame, a frame cover and a feeding mechanism are mounted at the top end of the fixed frame, and the feeding mechanism comprises a feeding frame and a mounting sliding rail; a movable through groove is formed in the bottom end of an inner cavity of the fixed frame, feeding frames are movably installed in the movable through groove and are of an inclined structure, and installation sliding rails are installed on the positions, located on one sides of the feeding frames, of the periphery of the middle of an inner cavity of the fixed bottom frame. In the feeding process, the situation that waste is caused if food is not eaten up due to excessive feeding at a time during feeding can be avoided in a quantitative feeding mode, in the discharging process, the stability and efficiency during discharging can be guaranteed, foodstuff can be further treated, the situation that the foodstuff with the large size exists in the foodstuff, and the foodstuff with the large size is wasted is avoided. The normal feeding in the later period is influenced.

The invention provides a micro-deformation testing device and method for an internal cavity material under water pressure, and the method comprises the steps: 1, preheating: preheating a radiation source, and adjusting the voltage of the radiation source to a preset voltage value V; step 2, mounting a sample: fixing the sample to be tested in the pressure chamber through a connecting piece; step 3, filling a pressure medium; 4, performing preliminary scanning test, and recording data; 5, scanning and testing again, and comparing to obtain the data variation of the internal cavity of the sample before and after the water pressure; according to the micro-deformation testing device and method for the internal cavity material under the water pressure, the structure of the testing device can be simplified, the testing stability of the testing device is improved, the cost of the testing device is reduced, and the testing stability is improved; uniform load loading of an internal cavity material structure under high water pressure can be realized; the deformation of the cavity of the internal cavity material under different water pressures can be accurately measured; and amplification analysis of micro-deformation of the internal structure can be realized.

A fastening clip assembly is provided. It comprises a fastening clip, with a head portion to be positioned against a first surface of a component and a body portion for extending through the hole in the component, the body portion comprising an internal cavity and one or more elastically deflectable retaining members extending out of the internal cavity to engage a second surface of the component, opposite to the first surface, to retain the fastening clip assembly in the hole of the component, and an insert, configured to be inserted through an opening in the head portion of the fastening clip and into the internal cavity. The elastically deflectable retaining members are adapted to deflect inwardly in a deflecting direction as the body portion is pushed through the hole, and the insert comprises an engaging surface to engage an end of one of the elastically deflectable retaining members within the internal cavity, the end of the elastically deflectable retaining member comprising a bent section.

The application discloses a metal soluble sealing assembly and a horizontal well staged fracturing process. The metal soluble sealing assembly comprises a connecting body, a releasing hand (12) arranged at the lower end of the connecting body, a necking portion and an inner cavity of the releasing hand, and the inner cavity contains a dissolving agent (13). A setting mechanism is arranged axially along the connecting body. After the setting mechanism is set in a casing (20), the thickness between the cross section of the releasing hand (12) cut from the necking portion (12-1) and the inner cavity is smaller than the wall thickness of other parts of the inner cavity. The problems that the existing bridge plug cannot simultaneously consider the pressure-bearing capacity and the dissolving rate in some special cases and the problem that the dissolving rate adjustment is limited for different working conditions are solved.

The invention discloses a safe cleaning device for jellyfish food, and relates to the technical field of jellyfish cleaning and processing equipment.The safe cleaning device comprises a box cover arranged on the upper portion of a machine box, four cleaning cylinders which are symmetrically distributed are arranged in an inner cavity of the machine box, and a top frame penetrating through the two ends of the box cover is installed at the top of the machine box; the hydraulic telescopic rod drives the lifting rod to lift. According to the safe cleaning device for the jellyfish food, jellyfishes of different sizes are sorted and separated through the sorting plate driven by shaking of the cleaning cylinder, so that the jellyfishes of different sizes are located at different end positions of the cleaning cylinder, a door plate is driven by a closing mechanism to conduct automatic blocking, and then a vortex driving mechanism and a second paddle are driven to stir water flow; according to the jellyfish cleaning device, the jellyfish with the large size can be cleaned in different zones to form eddy currents, the jellyfish with the large size can be impacted by water flow, the different zones have different cleaning strengths, and the cleaning efficiency of the jellyfish with the large size can be improved on the basis that the jellyfish with the small size is prevented from being damaged.

The utility model provides a stirring mechanism for a fermentation tank body, which belongs to the technical field of fermentation tanks and comprises a tank body and a stirring component arranged in the tank body, the stirring component comprises a stirring frame rotationally connected to the upper end of an inner cavity of the tank body, and the lower end of the stirring frame extends into a discharge pipe at the lower end of the tank body. A plurality of annularly distributed blades are arranged on the outer arc surface, located in the discharging pipe at the lower end of the tank body, of the stirring frame, a motor is arranged at the upper end of the tank body, an output shaft of the motor is fixedly connected with the stirring frame, and a scraping assembly used for scraping the inner wall of the tank body is further arranged in the tank body. The stirring mechanism, the scraping component and the transmission component are coordinated and matched, so that materials are prevented from being hung on the wall to influence the heat exchange efficiency of the fermentation tank, the materials hung on the wall are prevented from becoming a growth place of infectious microbes, the risk of bacterial contamination in the production process is reduced, and meanwhile, the problem that the scraping plate is excessively abraded due to the fact that the scraping component always synchronously rotates along with the stirring frame is solved.

The invention provides a bending device and method for a coiled pipe of a heat exchanger, the coiled pipe of the heat exchanger is decomposed, and the whole structure is decomposed into a body spiral part and bent parts at the two ends; a spiral bending device is designed, and the spiral part of the coiled pipe body is bent; a pipe end bending device is designed, and the pipe end part of the coiled pipe is bent; the spiral bending device comprises a pipe bending unit, an inlet and outlet angle control unit and a screw pitch control unit, the pipe bending unit is used for bending the spiral part of the coiled pipe body, the inlet and outlet angle control unit is used for controlling the forming angles of the bent parts at the two ends of the coiled pipe, and the screw pitch control unit is used for controlling the screw pitch of the spiral part of the coiled pipe body. The bending device is adopted to solve the problems that heat exchanger coiled pipes of different specifications, pipe types and lengths are difficult to form, filler in an inner cavity is difficult to clean, the manufacturing test period of a special mold is long, and the forming precision of the coiled pipes is poor.

The invention relates to the technical field of urinary surgery, in particular to a balloon expansion device for urinary surgery endoscopic surgery, which comprises an air bag, a catheter and an adjusting mechanism, the catheter horizontally penetrates through the air bag and is communicated with the adjusting mechanism. The interior of the air bag is divided into a plurality of independent inner cavities through the first diaphragm, the second diaphragm and the third diaphragm, and independent expansion control over all areas is achieved by matching with the filling pipes and the adjusting mechanisms which are in one-to-one correspondence; an operator can accurately adjust the filling degree of different inner cavities according to the anatomical structure difference of the surgical site, excessive expansion of a non-target area is avoided, the accuracy of surgical operation is remarkably improved, and the device is particularly suitable for fine treatment of local tissue in a complex urinary surgery endoscopic surgery.

The invention relates to the technical field of medical instruments, in particular to an ice stimulation training device for dysphagia rehabilitation, which comprises a box body with an upward opening, a cover plate arranged at the opening of the top of the box body, two partition plates arranged in an internal cavity at an interval up and down, and an auxiliary opening mechanism arranged in a training opening in the front side of the box body and used for opening the box body. An ice stimulation training head is arranged in the ice stimulation training device, the tail of the ice stimulation training head is connected with a control mechanism, and a pneumatic assembly is arranged on the left side of the top of the partition plate on the upper side and connected with the auxiliary opening mechanism through an air pressure rod assembly. The problems that in the prior art, an ice stimulation training device for rehabilitation of the stroke dysphagia generally can only achieve single ice stimulation treatment and lacks auxiliary taste stimulation and vibration stimulation for comprehensive treatment, so that the whole treatment process is long in time, more complex and free of cooperation, and the treatment cost is low are solved. Meanwhile, the compliance of the patient and the recognition degree of treatment are also reduced, and the patient cannot recover as soon as possible.

The present invention discloses an obstetric fetal head suction assistance device, comprising a suction head and an air extraction part, the air extraction part comprising a cylinder and an air extraction member, the air extraction member comprising a piston and a handle, the handle extending out of the cylinder, the piston dividing the inner cavity of the cylinder into a first cavity and a second cavity, the trachea being arranged outside the first end of the cylinder, the first end plate of the cylinder being arranged in a first flow channel, the first flow channel being provided with a first control component for controlling the air flow rate entering the first cavity through the first flow channel to prevent air oscillation in the inner cavity of the trachea, the second end plate of the cylinder being provided with a second control component for controlling the air flow rate of gas entering and exiting the second cavity from the outside to prevent air oscillation in the trachea; the present invention is provided with a control component for preventing the air from entering and exiting the second cavity at too fast a speed, so that the device can slowly stop when the air intake is finished, and can first slowly and then quickly when the air is deflated, thereby avoiding the air oscillation in the suction head causing fetal brain injury, and has strong practicality and safety.

The utility model discloses cutter passivating and polishing equipment capable of automatically recycling fallen materials, and relates to the technical field of cutter passivating and polishing. The sand blasting device comprises a shell, a supporting plate is installed on the inner wall of the shell, a containing assembly is installed on the supporting plate, a sand blasting device is installed at the upper end of an inner cavity of the shell, a filtering assembly is installed in the inner cavity of the shell, the interior of the shell is divided into an upper cavity and a storage bin through the filtering assembly, and a clamping assembly is installed on the containing assembly. The tool can be fixed on the placing assembly through the clamping assembly, and the sand blasting device can perform sand blasting and polishing treatment on any position of the tool by driving the placing assembly to rotate, so that the working efficiency is improved, and various requirements are met; and through the filtering assembly, a mixture of carborundum and rubber particles sprayed by the sand blasting device can be classified and recycled separately, so that the device can autonomously classify and recycle the mixture, secondary utilization is facilitated, the practicability is improved, and the cost is saved.

The utility model relates to the technical field of pet bathing, and discloses a spraying structure suitable for pet bathing, which comprises a machine body, an inner cavity for accommodating a pet is arranged in the machine body, and a plurality of liquid sprayers for spraying mixed liquid into the inner cavity and a plurality of water sprayers for spraying clear water into the inner cavity are arranged on the machine body; the plurality of liquid nozzles and the plurality of water nozzles are respectively exposed in the inner cavity and are arranged in a mixed and staggered manner; according to the spraying structure suitable for pet bathing, a pet is placed in the inner cavity, the liquid sprayers spray mixed liquid on the pet body, meanwhile, clean water sprayed by the water sprayers is used for cleaning the pet, automatic bathing of the pet can be achieved, the mixed liquid and the clean water are added in the bathing process, and therefore the pet can be washed conveniently. A pet can be better bathed, and the cleaning effect is better.

The invention discloses an inhalation administration device and a design method, and mainly relates to the technical field of medical instruments. The device comprises a capsule base, a capsule body, a capsule cabin and a suction nozzle, an inner cavity of the suction nozzle is of an inverted trapezoid structure, and in other words, the diameter of the section is increased by 0.033 mm every time the inner area of the suction nozzle is raised by 1 mm from the bottom end to the top end. According to the design, by optimizing the internal flow field of the suction nozzle, the dispersity of medicine particles can be remarkably improved, wall surface deposition is reduced, and therefore the dispersity of the medicine particles and the lung deposition efficiency are improved. The invention also provides a design method based on lattice Boltzmann method-immersion boundary method-large eddy simulation multi-physics field coupling numerical simulation, and by setting specific performance evaluation parameters, the structure optimization of the inverted trapezoidal suction nozzle can be efficiently and accurately guided. An in-vitro deposition test shows that the performance of the device is superior to or equivalent to that of a commercially available product.

The invention relates to the technical field of heat exchangers, and discloses a shell-and-tube condenser capable of automatically removing a liquid film, which comprises a shell, one end of the shell is provided with a cold water inlet, the other end of the shell is provided with a cold water outlet, the upper end of the shell is provided with an air inlet, and the lower end of the shell is connected with a liquid outlet pipe; a plurality of air uniformizing holes are formed in the air uniformizing cover, the air uniformizing cover divides an inner cavity of the shell into a first cavity body and a second cavity body, a second finned tube is arranged in the first cavity body, a first finned tube is arranged in the second cavity body, and liquid guide fins are arranged on the outer wall of the first finned tube. The finned tube I is arranged, and the liquid guide fins are additionally arranged on the finned tube I, so that the continuity of a liquid film is actively destroyed, the liquid film does not accumulate and grow outside the tube, but accumulates in the liquid guide fins to drop in a liquid drop form, and the problem of thermal resistance caused by liquid film coverage is effectively solved; and the heat transfer efficiency of the whole equipment is obviously improved.

The invention belongs to the technical field of drying equipment, and particularly relates to drying equipment and a working method thereof.The drying equipment is characterized in that a cutter in a foam crushing mechanism rotates around a vertical shaft so as to crush foam generated by fish collagen peptide deposited in an inner cavity; a cutter in the foam crushing mechanism rotates around a transverse shaft so as to separate fish collagen peptide on the cutter; the problem that in the process of drying the fish collagen peptide solution, generated foam expands to the limit and is broken, so that the vacuum degree fluctuates can be solved, meanwhile, the foam breaking mechanism rotates while revolving, and the fish collagen peptide solution bonded to the cutter is thrown away under the action of centrifugal force in two different directions; the situation that due to local high temperature of the surface of the cutter, fish collagen peptide adhering to the cutter is crystallized is avoided, nitrogen is supplemented into the inner cavity, and even if a fish collagen peptide solution is decomposed to generate oxygen, it can be guaranteed that the oxygen concentration in the inner cavity is kept at the low level.