322results about How to "Reduce retention" patented technology

The invention relates to the technical field of intelligent control, and discloses an intelligent control method and system for a laminar flow air supply unit special for an operating room, and the method comprises the steps: constructing a three-dimensional space topology model of the operating room, collecting the spatial position data of medical staff and equipment in real time in an operation process, and forming a spatial-temporal trajectory data set; analyzing the spatial-temporal trajectory data set to generate a pollution source distribution thermodynamic diagram; acquiring an environment state data flow and a personnel state data flow of the operating room, and predicting a dynamic heat and humidity load demand curve of the operating room in a future time period through a pre-trained heat and humidity load demand prediction model; based on the dynamic heat and humidity load demand curve, the operating room three-dimensional space topology model and the pollution source distribution thermodynamic diagram, a dynamic air supply control strategy is generated, and a laminar flow air supply unit is controlled to conduct intelligent air supply; the heat and humidity load demand of the operating room can be accurately predicted, the air supply strategy is dynamically optimized, and the air supply energy consumption is remarkably reduced while the cleanliness of the operating room is guaranteed.

The invention relates to a weight-losing enzyme and a preparation method thereof, and belongs to the technical field of biology, and the weight-losing enzyme comprises a fruit enzyme, a vegetable enzyme, a seed enzyme and a lotus leaf extract; the fruit enzyme is obtained by performing enzymolysis on mixed fruit pulp of apples, lemons, grapefruits and haws through pectinase, performing enzymolysis through pepsase and performing co-fermentation through bifidobacterium longum and lactobacillus acidophilus; the vegetable enzyme is obtained by performing enzymolysis on mixed vegetable pulp of wax gourd pulp, celery and spinach through pectinase, performing enzymolysis through pepsin and performing fermentation through lactobacillus plantarum and bifidobacterium adolescentis; the seed enzyme is obtained by carrying out trypsin enzymolysis on mixed powder of semen raphani and phaseolus calcaratus, then carrying out nattokinase enzymolysis and then fermenting with bifidobacterium breve; the lotus leaf extract is obtained by sequentially carrying out enzymolysis on lotus leaves through hemicellulase, snail protease and nattokinase. All the components are matched for use, so that the weight-losing food has the effects of promoting digestion, inhibiting fat absorption, regulating intestinal flora, promoting metabolism and the like, and has a good weight-losing effect.

The invention discloses a micro-channel jet reactor. The micro-channel jet reactor comprises a sample introduction unit, a main mixing unit and a reaction unit which are sequentially communicated, the main mixing unit comprises a first inner pipe and a first outer pipe arranged outside the first inner pipe in a sleeving manner; a first annular space is formed between the first inner pipe and the first outer pipe; the sample introduction unit is communicated with the first inner pipe; a second sample inlet is formed in the first annular space, and a plurality of through holes are formed in the first inner pipe; the reaction unit comprises a second inner pipe and a second outer pipe arranged outside the second inner pipe in a sleeving manner; a second annular space is formed between the second inner pipe and the second outer pipe; the first inner pipe is communicated with the second inner pipe; during use, condensate is arranged in the second annular space. The reactor can effectively improve the mixing uniformity degree of reaction liquid, meanwhile, the reaction temperature is controlled, and the reaction rate and selectivity are ensured.

The invention discloses a fishway inlet flow velocity adjusting system and method based on fish induction flow velocity, and relates to the technical field of data processing. Firstly, environment and fish information comprehensive data of a fishway subordinate area are collected and analyzed, then target flow velocity adjustment parameters of the fishway subordinate area are obtained through matching, first fishway inlet flow velocity adjustment is carried out, a fish migration rule can be better understood, and therefore a more accurate flow velocity adjustment strategy is achieved; then analyzing the fishway operation parameters of the fishway membership area after the first adjustment and performing the second adjustment, continuously optimizing the flow velocity adjustment parameters, improving the fish luring effect of the fishway, and finally collecting the environment and fish information comprehensive data of the fishway membership area after the second adjustment and the fishway operation parameters of the fishway membership area so as to improve the fish luring effect of the fishway. The environment change can be quickly responded, the fish safety passing rate is improved, and therefore the fish passing effect of the fishway affiliated area is improved.

The chip removal machine comprises a chip removal machine body, the chip removal machine body is provided with a containing cavity, an inlet end and an outlet end, the inlet end and the outlet end communicate with the containing cavity, the inlet end is used for communicating with a chip removal opening of the numerical control machine tool so that the cooling liquid can flow in, and the outlet end is used for discharging the metal chips; the conveying component is arranged in the containing cavity and located between the inlet end and the outlet end so as to convey the metal cuttings. The containing box communicates with the containing cavity so that the cutting fluid in the containing cavity can flow into the containing box. And the bubble generator comprises a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe communicates with the containing box, the liquid outlet pipe communicates with the containing cavity, and the bubble generator is used for injecting gas into the cutting fluid flowing into the bubble generator to generate the cutting fluid with bubbles and injecting the cutting fluid with the bubbles into the containing cavity. Through the innovative bubble cleaning technology and the reasonable structural design, the problem that in the prior art, the chip removal effect of a chip removal machine is poor is effectively solved.

The utility model discloses equipment for screening building materials in the technical field of building materials, which comprises a screening box, a screen mesh, a feed port, a first discharge port, a second discharge port, a supporting seat, a scraper mechanism and a vibrating mechanism, the feed port is arranged at the top of the screening box, the first discharge port is arranged on the side wall of the screening box, and the second discharge port is arranged on the side wall of the screening box. The second discharging port is formed in the bottom wall of the screening box, a cavity is formed in the screening box, the screen is arranged in the cavity, the feeding port, the first discharging port and the second discharging port are communicated through the cavity, the scraper mechanism comprises a scraper, a push rod and a power mechanism, and the power mechanism drives the scraper to move back and forth on the upper surface of the screen towards the first discharging port. Supporting legs are arranged at the bottom of the supporting seat, a cavity structure sleeved with the supporting legs is arranged at the top of the vibration mechanism body, the vibration mechanism is arranged at the bottom of the supporting seat, and a convex block of the vibration mechanism rotates to drive the screening box to vibrate up and down. The technical problems that a screen of an existing device is prone to being blocked, and the screening efficiency is low are solved.

The utility model discloses wild vegetable cleaning and impurity removing equipment which comprises a device body. According to the device, water is injected into the groove formed in the device body, then the water in the groove is conveyed into the spray head through the water supply pipe by the water pump and is sprayed out through the spray head to be used for cleaning and impurity removal of wild vegetables, then the conveying belt is driven by the second motor to convey the wild vegetables into the groove, and the wild vegetables are soaked through water flow in the groove; meanwhile, a first motor is started, the first motor stirs the wild vegetables in the groove through a stirring rod connected with the output end, so that soil attached to the roots of the wild vegetables is rapidly separated, and then broken vegetable leaves or floating objects can be conveyed into a collecting tank along a drainage groove through the arranged collecting tank and the first motor; and the vegetable leaves or floating objects are filtered through a filter screen arranged in the collecting tank, the separation effect of the vegetables and the fragmented vegetable leaves is kept through water flow, and then the cleaning effect of the vegetables is improved.

The invention discloses a composite heat preservation floor, and particularly relates to the technical field of composite floors, the composite heat preservation floor comprises a basic reinforcing layer, a high-heat-conduction composite layer, a heat conduction liquid pipe and a heat conduction reinforcing layer, and a solid wood layer is arranged on the upper end face of the basic reinforcing layer; the efficient heat conduction network is formed through tight combination of the heat conduction enhancement layer and the metal copper wire net, and heat generated by floor heating can be rapidly and evenly dispersed to all areas of the heat conduction enhancement layer through the grid structure of the metal copper wire net; due to the uniform heat distribution, the temperature gradient formed by heat in the heat conduction enhancement layer is greatly reduced, the loss and retention of the heat in the conduction process are reduced, the heat is effectively reserved in the indoor space, a large amount of heat energy can be stored when floor heating heat is absorbed through the heat conduction liquid pipe, and after the indoor temperature reaches a set value, the heat conduction liquid pipe is closed. Even if heat supply of floor heating fluctuates or pauses, heat stored in the heat conduction oil can be slowly released, and indoor heat can be kept in the space for a longer time.

The invention provides a pulse assembly, a suction valve, an endoscope and an implantation system, and relates to the field of medical instruments.The pulse assembly comprises a communication part provided with a channel, the channel is provided with an inlet, a first outlet and a second outlet, and the inlet is used for being communicated with an instrument tube and / or a sheath tube; the shielding piece is movably arranged on the communicating part, and the shielding piece can intermittently block the first outlet under the movable condition; and the driving part is used for driving the shielding part to move, so that the first outlet is intermittently blocked. Compared with the prior art, the device has the advantages that pulse control over the flow speed of washing liquid is achieved, the stone removing efficiency in the operation process is remarkably improved, meanwhile, different operation requirements can be flexibly met, the operation time is effectively shortened finally, and discomfort and risks of a patient are reduced.

The invention provides a 3D printing forming device based on a double-layer wind field, and relates to the field of 3D printing. The 3D printing forming device based on the double-layer wind field comprises 3D printing equipment, a fan assembly, an outer wind field smoke suction assembly, a rotary dust filtering assembly and a wind pressure inner wind field air supply assembly. Smoke is taken away by the outer wind field and does not directly enter a printing cabin of the 3D printing equipment, then air filtered by the outer wind field and containing the smoke and external impurities is appropriately supplemented into the cabin to be formed, so that air lost due to smoke emission of the inner wind field is supplemented, inner wind field circulation is formed, the external impurities and the smoke pass through the same filtering system, and the smoke is filtered out. The outer wind field and the inner wind field form a double-layer wind field to facilitate flue gas circulation and purification, during the period, impurities in the flue gas are subjected to speed reduction sedimentation twice, the content of the impurities filtered by the outer filter screen is reduced, the using and cleaning time of the outer filter screen is prolonged, the impurities on the inner filter screen can be separated along with wind, and remaining of the impurities on the inner filter screen is reduced.

The invention relates to the technical field of electrodeposited nickel production, and provides an electrodeposited nickel pore inhibition adding composition which can simultaneously solve the technical problems of pores, acid mist and surface quality in the electrodeposited nickel production process. The composition is prepared from the following components in parts by weight: 0.03 to 0.08 part of anionic surfactant; 0.1 to 0.2 part of a nonionic surfactant; 0.01 to 0.03 part of a hydrogen inhibiting agent; and 1-5 parts of a grain refiner.

The invention discloses falling film evaporation equipment, and relates to the technical field of falling film evaporation, and the falling film evaporation equipment comprises a rotating mechanism. According to the falling film evaporation equipment, through the design of the rotating mechanism, after liquid enters from the feeding port, the liquid washes the blades, the stress area of the blades to the liquid is increased, so that the effect of enlarging the rotating effect is achieved, the blades drive the rotating shaft to rotate, and the square plate is driven to rotate in the rotating process of the rotating shaft; the liquid flowing range is increased by stirring the liquid, so that the liquid flowing uniformity is improved, then the square notches are formed, the resistance borne by the square plates during rotation in the fluid is reduced through the open grooves, the energy consumption is reduced, and the uniform mixing of the materials is promoted; the stirring efficiency and quality are improved, the space with liquid is increased, and liquid attachment residues are reduced.

The invention discloses an anion exchange membrane electrode and a preparation method and application thereof, and belongs to the technical field of new energy material and catalytic electrode preparation, the method comprises the following steps: S1, preparing an anode catalyst slurry comprising a hydrophobic covalent organic framework material, an anode catalyst, an anion exchange ionomer and a solvent; s2, preparing a cathode catalyst slurry of which the components comprise a cathode catalyst, an anion exchange ionomer and a solvent; and S3, respectively spraying or coating the anode catalyst slurry and the cathode catalyst slurry on two side surfaces of an anion exchange membrane or a gas diffusion layer, and carrying out heat treatment to obtain the anion exchange membrane electrode. The method provided by the invention can solve the problems of large gas-liquid-ion three-phase mass transfer resistance, easy shielding of active catalytic sites by ionomers and unbalanced water management in the membrane electrode assembly in the existing AEMWE device.

The invention relates to the field of acupuncture and cupping disinfection, in particular to a quick disinfection device for acupuncture and cupping, which comprises a disinfection table, a processing unit is arranged on the disinfection table, and the processing unit comprises a disinfection cylinder fixed on the disinfection table, a cleaning mechanism for cleaning a cupping device and a clamping mechanism for fixing the cupping device. The cleaning mechanism comprises an inner brush part and an outer brush part, a driving shaft used for driving the inner brush part to rotate is coaxially arranged in the disinfection cylinder, and a connecting structure used for ensuring that the cupping device is clamped between the inner brush part and the outer brush part is arranged between the inner brush part and the outer brush part. The inner brush part and the outer brush part are tightly attached to the cupping device, the cleaning comprehensiveness is ensured, then the cupping device is locked by the clamping mechanism, the inner brush part and the outer brush part cooperatively work, the inner surface and the outer surface of the cupping device are deeply cleaned while the cupping device is kept relatively static, and the disinfection comprehensiveness and efficiency are improved.

Embodiments of the present disclosure disclose an epitaxial growth susceptor, apparatus, method, and epitaxial wafer, the epitaxial growth susceptor comprising: a base portion configured to face a central region of a substrate; the flange part is arranged on the periphery of the base part, and the flange part is configured to be in contact with an edge area of the substrate to bear the substrate; the edge part is arranged on the periphery of the flange part; wherein the length of the flange part along the radial direction of the epitaxial growth base is greater than or equal to 16mm.

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 invention discloses a low-interception hollow pipe for heating cigarettes and application of the low-interception hollow pipe, and belongs to the technical field of heating cigarette production. The low-interception hollow tube for heating the cigarettes is of a multi-layer structure and comprises at least one low-interception layer, at least one heat resisting layer and at least one supporting layer, the innermost layer is the low-interception layer, the low-interception layer serves as a hollow cooling section to be used for heating the cigarettes, condensation deposition and interception of aerosol in the hollow tube can be reduced, and the cigarette quality is improved. Meanwhile, it can be guaranteed that the temperature of the outer wall of the hollow pipe is low, and the risk of lip scalding is reduced.

The invention discloses container shell welding equipment for chemical pressure container machining, and relates to the technical field of shell welding, and the container shell welding equipment comprises a composite mechanism. According to the container shell welding equipment for chemical pressure container machining, through the design of a composite mechanism, the telescopic rod is used for controlling the welding frame to conduct lifting operation, so that welding materials can be attached conveniently, the application range is expanded, and the operation efficiency is improved; and when the telescopic rod controls the welding frame to ascend and descend, the protection mechanism is attached to the top of the material, so that the effect of presetting a welding spot is achieved, deviation during welding is prevented, the welding quality is improved, and the welding efficiency is improved. Materials are welded in a mechanical rotating mode, and normal operation of material welding is guaranteed.

The utility model relates to the field of submersible sewage pumps, in particular to a submersible sewage pump with an anti-blocking mechanism, which comprises a pump head used for providing certain protection capability for an internal motor, and a butt joint block arranged at the bottom of the pump head and used for butt joint installation with a lower shell. The submersible sewage pump is provided with the linkage rod, the supporting base plate, the water inlet, the spiral scraper, the separation filter screen, the fixing rod and the forward and reverse smashing cutter head, when the submersible sewage pump is used for discharging sewage, the supporting base plate and the water inlet can prevent large impurities at the bottom of a sewage pool from directly entering the pump base, so that the submersible sewage pump is blocked, and the service life of the submersible sewage pump is prolonged. Then small impurities enter the pump seat along with the sewage, and encounter the fixed rod to drive the two groups of forward and reverse crushing cutter heads to rotate, so that the small impurities are further crushed and crushed, the internal impurity accumulation is reduced, and then the non-crushed impurities can be secondarily filtered and intercepted by the separation filter screens on the forward and reverse crushing cutter heads.

This utility model discloses a universal filter for amination reactions, belonging to the field of filter technology. The filter includes a tank, a cover, and a filter basket. A first pipe is connected to the tank, and a second pipe is connected to the cover. The filter basket divides the internal space of the tank into a first working space and a second working space. The filter basket includes an annular plate and a bottom plate, with a receiving container on the bottom plate. Liquid in the first working space enters the second working space after being filtered by the filter basket. The receiving container protrudes towards the second working space. This utility model, by providing a receiving container on the filter basket, facilitates the collection of some trapped particles, reduces particles retained on the filter basket, reduces the possibility of particles getting stuck in the filter holes, and reduces the frequency of the filter basket needing to be removed for cleaning. A baffle covers the receiving container, reducing the direct impact of the liquid flow on the internal cavity of the receiving container. The baffle and connecting rod are detachably connected, facilitating the collection of particles inside the receiving container.

The utility model provides a coal bucket anti-blocking structure of a coal conveying system, which relates to the field of coal conveying systems and comprises a coal bucket body, the coal bucket body is divided into a plurality of inclined sections and vertical sections which are alternately arranged, and a vibration component is mounted on the outer side of the coal bucket body. The vibration assembly comprises a plurality of vibration balls, a gear ring driving the vibration balls to rotate and a plurality of vibration plates used for transmitting vibration, the vibration balls make contact with the vibration plates in the rotating process, and the vibration plates extend to the inner side of the coal bucket body. The friction force superposition effect caused by the continuous conical section can be reduced, so that the blocking phenomenon of coal particles is effectively reduced, the vibration plate is knocked by the vibration ball, the vibration plate and the coal bucket body are continuously vibrated, retention of the coal particles on the inner wall of the coal bucket due to extrusion friction can be effectively reduced, blocking is prevented, and the service life of the coal bucket is prolonged. And continuous and coherent coal conveying operation is ensured.

The application relates to the technical field of ring network boxes, and discloses a one-two fusion convenient maintenance ring network box, which comprises a box body and a plurality of electrical elements arranged in the box body, the box body comprises a top plate, side plates and a bottom plate, a plurality of heat dissipation holes for heat dissipation are formed in the side plates, a switching-on and switching-off knife is arranged on the electrical elements, a connecting groove is formed in the switching-on and switching-off knife, a magnetic block is arranged on the groove wall of the connecting groove, a driving rod is further connected to the switching-on and switching-off knife, a plurality of trigger rods are arranged on the driving rod, an adsorption block which is magnetically opposite to the magnetic block is arranged at the end of the trigger rod away from the driving rod, and the adsorption block extends into the connecting groove. The one-two fusion convenient maintenance ring network box realizes the synchronous switching-on and switching-off of a plurality of switching-on and switching-off knives through single operation of the driving rod and the trigger rod, and the condensate water on the inner walls of the side plates is scraped off through the dehumidification mechanism, so that the maintenance efficiency of the ring network box is improved, and the safe work of the electrical elements in the ring network box is ensured.

This invention belongs to the field of soil conditioner technology, and relates to a method for preparing a soil conditioner, the resulting soil conditioner, and its application method. The preparation method includes the following steps: mixing brewing sludge and biogas residue with sorghum straw particles to obtain a mixture; adjusting the carbon-to-nitrogen ratio to 20:1 to 40:1; adding an organic material composting agent; aerobic fermentation at 55℃ for ≥15 days; turning and cooling the pile at temperatures >65℃; and fermenting for 15-30 days after cooling to below 50℃ to obtain the soil conditioner. By utilizing the nitrogen source of the biogas residue to neutralize the high-carbon characteristics of the straw, and further enhancing the synergistic decomposition of the two by the organic material composting agent, this invention promotes rapid aerobic fermentation and stable high-temperature fermentation for over 15 days. This ensures harmlessness while avoiding the high-temperature burning of beneficial bacteria in the composting agent and the disruption of the synergistic decomposition of the biogas residue and straw, achieving complementary advantages between the biogas residue and straw, and producing a loose, breathable, nutrient-balanced, and safely composted soil conditioner.

In a strain wave gearing (1), a thrust force (F1) applied on an externally toothed gear (4) during an increased-speed operation causes the externally toothed gear (4) to move along an axis in a first direction (a1), and the output-side end surface (4c) thereof is pressed, by a prescribed force, against a friction surface (11a) of a friction plate (11) integrated with a rotating shaft part (5a) of a strain wave generator (5). Torque transmission efficiency can be reduced only during increased-speed operation, by means of a friction loss occurring between the externally toothed gear (4) and the friction plate (11). When large load torque is applied from an output shaft (8) which is an output-side member during reduced-speed operation, retention torque of the strain wave generator (5) which is an input-side member during speed-reduction operation can be reduced.

This invention relates to the field of chemical production technology and discloses a cyclohexanone oxime rearrangement mixer structure, a numerical simulation model, and an analysis method. The cyclohexanone oxime rearrangement mixer structure includes a main structure, a circular ring, a cyclohexanone oxime inlet, and cyclohexanone oxime orifices. The main structure is vertical, with a circulating liquid inlet, a throat, and a mixture outlet arranged sequentially from top to bottom. A circulating liquid containing caprolactam, sulfuric acid, and SO3 flows into the main structure from the circulating liquid inlet. The circular ring is fitted onto the main structure and located between the circulating liquid inlet and the throat. To achieve thorough mixing of cyclohexanone oxime and the circulating liquid, the numerical simulation model is constructed using the Eulerian multiphase flow model and the Realizable k-ε turbulence model. The momentum ratio (MR) is used as an evaluation index for mixing effect, ensuring the momentum ratio is within a suitable range of 1-4, thereby achieving efficient mixing.

This utility model discloses an anti-sticking device for a Jinfeng pill conveyor belt, comprising core components such as a frame, scraper, rotating frame, and fan frame. The frame has a sloping design at both ends, with a scraper at the front feed inlet to effectively scrape up Jinfeng pills adhering to the conveyor belt. Multiple circular grooves are distributed at the top of the frame, working in conjunction with baffles with sliding grooves at both ends to provide guidance and protection for material transport. The rotating frame is slidably connected to the frame via a bottom slider, while the fan frame slides along the top groove of the rotating frame. This combination allows for flexible multi-angle adjustment, ensuring that the airflow generated by the fan precisely targets the material, effectively removing powder from the pill surface and preventing adhesion. The device adopts a modular design, with all components connected by bolts and nuts. This device can be widely applied in Jinfeng pill production and conveying scenarios, ensuring pill integrity and conveying cleanliness through the synergistic effect of mechanical and wind power, significantly improving the operational efficiency and reliability of pharmaceutical production and conveying systems.

The invention discloses mulberry leaf fungus tea mixed fermentation processing equipment and method, and relates to the technical field of mixed fermentation, and the mulberry leaf fungus tea mixed fermentation processing equipment comprises a composite mechanism. According to the mixed fermentation processing equipment and method for the mulberry leaf fungus tea, through the design of a composite mechanism, a top cover plate is controlled to be lifted through a first electric push rod, materials are conveniently placed into a composite shell, a pipeline is arranged at the top of the top cover plate, and liquid enters the composite shell from the pipeline; the central rotating shaft is controlled by the motor to drive the stirring mechanism to rotate, materials are stirred to rotate in liquid, so that the effect of cleaning the materials is achieved, impurities or medicine residue residues on the surfaces of the materials are avoided, and the product quality safety is improved; meanwhile, the materials are driven to rotate to be in frictional contact with the crushing mechanism, so that the effect of chopping the materials is achieved, the materials are cut into uniform small blocks, the fermentation uniformity and efficiency are improved, and material exchange in the fermentation process is facilitated.

The invention relates to the technical field of bus ducts, and particularly provides a sealing plate assembly of a heat dissipation type bus duct connection area, which comprises a top plate, a bottom plate and two side plates arranged oppositely, the two side plates are arranged between the top plate and the bottom plate, and the two side plates, the top plate and the bottom plate enclose to form a connection area outer cover space. The top plate comprises lap joint sections located at the two ends of the top plate and a middle section located between the two lap joint sections, and the two lap joint sections are in lap joint with the outer sides of the tops of the adjacent bus duct sections respectively. A heat transfer path is formed between the closing plate assembly on the outer side of the connection area and the adjacent bus duct sections, heat generated in the operation process of the connection area can be diffused to the adjacent bus duct sections, the heat diffusion range is enlarged, local gathering of heat near the connection area is reduced, and the service life of the bus duct is prolonged. And the heat dissipation capability of the connection area is improved, and meanwhile, the sealing protection requirement of the connection area is considered.

The invention discloses urban excrement solid-liquid separation treatment equipment, and relates to the technical field of urban excrement treatment.The urban excrement solid-liquid separation treatment equipment comprises an upper shell and a centrifugal assembly, a support is arranged in the center of the top of the upper shell, a lower shell is connected to the interior of the lower end of the upper shell, a sewage inlet pipe is arranged at the top of the upper shell, and a liquid drainage pipe is connected to one side of the upper shell; a waste frame is slidably connected into the lower end of the lower shell. After excrement is conveyed into the filter cartridge, part of sewage flows out through filter holes in the filter cartridge, and after a certain amount of sewage is accumulated, a motor drives a duplicate gear to rotate, so that when the feeding assembly moves the filter cartridge to the synchronous assembly, a double-gear shaft is meshed with a synchronous gear, and the sewage is discharged out of the filter cartridge. At the moment, the duplicate gear can drive the filter cartridge to rotate through the acceleration gear, the transmission shaft, the synchronous shaft, the synchronous gear, the double-gear shaft and the gear ring, and sewage in the feces can be rapidly thrown out through centrifugal force.

The invention provides a terminal block capable of suppressing reduction of holding force of a nut and improving manufacturability. A terminal block (10) is provided with: a nut (20); a main body section (30) having a nut holding section (32) for holding a nut; and a bus bar (40) covering the nut from an upper side along a penetration axis (Z) of the nut. The nut holding portion has an opening portion (33) into which the nut can be inserted in an insertion direction (Y1) along an insertion axis (Y) orthogonal to a penetration axis (Z), at least one side surface (34a) of a pair of side surfaces (34) constituting the opening portion is a part of an inner surface of a plate-shaped side wall (34b), and the bus bar has an engagement protrusion (42) which engages with the side wall and is configured to engage with the side wall. The side wall is prevented from deforming in a manner that the opening part is opened.