787results about How to "Efficient discharge" patented technology

The numerical control machine tool base casting machining equipment comprises a forming mold and a casting ladle mechanism, and the forming mold comprises a mold body, a buckling mechanism, an exhaust mechanism and an air extraction mechanism; the casting ladle mechanism comprises a hoisting mechanism, a casting ladle body and a casting ladle driving mechanism. On the basis that casting machining is not affected, gas generated by thermal decomposition of organic matter in coated sand can be effectively and efficiently exhausted, and therefore the defects of air holes, pits and the like of castings are prevented; and the controllability of casting construction can be improved, so that the safety risk of casting construction is reduced.

The invention relates to the technical field of bus ducts, discloses an energy-saving intelligent temperature control bus duct, and solves the problems that the internal temperature of an existing energy-saving bus duct cannot be effectively controlled, and when the internal temperature of the existing energy-saving bus duct is too high, a shell is deformed, and even internal electrical components are damaged. A control panel is fixedly installed at one end of the front side of the bus duct body, a guide bar is fixedly installed in the bus duct body, the two ends of the guide bar extend to the outside of the bus duct body, a temperature sensor is fixedly installed on the upper portion of one end of the front side of the bus duct body, and one end of the temperature sensor extends to the inside of the bus duct body. The upper and lower sides of the bus duct body are fixedly provided with a plurality of heat dissipation fins, and the middle part of the front side of the bus duct body is fixedly provided with a ventilation frame. The energy-saving bus duct can quickly and effectively discharge heat in the bus duct, and avoids the phenomena of shell deformation and damage to internal electrical components caused by overhigh internal temperature of the bus duct.

The invention discloses an air drying system for seasoning packaging containers, comprising a conveying mechanism which is horizontally supported by a bracket; the automatic stacking mechanism is arranged above the feeding end of the conveying mechanism and is used for uniformly stacking the packaging containers on the conveying mechanism for conveying; the air shower mechanism is arranged at the bottom of the conveying mechanism and inputs positive pressure air to the conveying surface of the conveying mechanism; the conveying face of the conveying mechanism keeps ventilated, and the automatic stacking mechanism buckles the open ends of the packaging containers to the conveying face of the conveying mechanism. The air-drying system can be used for rapidly air-drying the cleaned packaging containers, the packaging containers can be automatically stacked through the automatic stacking mechanism arranged at the front end of the conveying mechanism according to the width of the conveying mechanism, and then the opening ends of the packaging containers are buckled to the conveying face of the conveying mechanism, so that drainage is facilitated; and the air shower mechanism is combined, so that the packaging container can be conveniently air-dried, and the packaging container can be conveniently filled with materials after being sterilized subsequently.

The aluminum profile sheet weld joint welding device comprises a welding mechanism, the welding mechanism comprises a welding equipment body, the bottom end of the welding equipment body communicates with a material injection hopper, the bottom end of the material injection hopper communicates with a welding main pipe, and the welding main pipe is electrically connected with the welding equipment body through an external power source; a protection mechanism is arranged at the bottom end of the welding main pipe, the protection mechanism comprises a pressing plate installed at the bottom end of the welding main pipe, a filtering assembly is arranged in the pressing plate, and the filtering assembly comprises a box body installed in the pressing plate. Welding defects caused by water or impurities are effectively prevented, gas in a welding area can be effectively exhausted, air holes generated in the welding seam repairing process are reduced, the compactness and strength of a welding seam are improved, and the reliability and durability of a welding joint are ensured.

The utility model discloses an indexable wave-shaped edge turning blade which comprises a blade body with a center hole in the geometric center, a cutting unit is arranged on the upper surface of the blade body, and the cutting unit comprises an arc edge located at the vertex angle of the blade body and a main cutting edge connected with the two ends of the arc edge. Chip flutes are formed in the main cutting edge in the direction extending towards the center hole, and every two adjacent chip flutes located at the vertex angle are symmetrically separated through an isolation belt; the main cutting edge includes a wave-shaped cutting edge, the wave shape of which is shaped in an axial direction. Through the design of the wave-shaped cutting edges, the chip flutes and the isolation belts, the cutting force is effectively reduced, the chip treatment is improved, the quality of the machined surface is remarkably improved, and the service life of the cutter is remarkably prolonged.

The invention discloses an HDI circuit board laser drilling device, and particularly relates to the technical field of HDI circuit board drilling, the HDI circuit board laser drilling device comprises an operation table, a rotating mechanism is rotatably connected to the right side of the middle of the upper end of the operation table, a transmission mechanism is rotatably connected to the front side of the upper end of the operation table, and a drilling mechanism is fixedly connected to the middle of the upper end of the operation table; an air blowing mechanism is arranged on the left side of the lower portion of the drilling mechanism. According to the HDI circuit board laser drilling device, in the descending process of the laser drilling head, a baffle is driven to be matched with a rectangular block, the HDI circuit board can be automatically and accurately positioned, the drilling precision and efficiency are improved, in the drilling process, a spray head is matched with a limiting pipe and a first sliding block, and therefore the HDI circuit board can be accurately drilled. According to the HDI circuit board drilling device, the surface of a drilled HDI circuit board is cleaned through the soft brush, chippings and dust generated in the drilling process can be removed, meanwhile, in the reset process of the laser drilling head, the surface of the drilled HDI circuit board is cleaned through the soft brush, the residual chippings and dust can be removed, and the cleanliness of the HDI circuit board is guaranteed.

The utility model discloses a rotary valve structure of a dust cup of a dust collector, which comprises an outer dust cup, a plurality of first cavities are arranged in the outer dust cup, a first communication hole is arranged on a partition plate, and the outer dust cup is provided with a first dust discharge port corresponding to a dust discharge channel of a base station of the dust collector; and the inner dust cup is rotationally connected to the partition plate and provided with a second communicating hole and a second dust discharging opening, and a linkage piece corresponding to a rotary guide groove in the dust collector base station is arranged on the outer side of the inner dust cup. The outer dust cup and the inner dust cup form a rotary valve structure, so that when the dust collector host and a base station are assembled in a butt joint manner, the linkage piece is matched with the rotary guide groove to rotate the inner dust cup, each dust collection cavity and a corresponding filtering structure are blocked, and dust is prevented from flowing reversely when garbage in the dust cups is discharged and recycled; and dust, hair and dirt with different particle sizes intercepted by the dust collection cavities are discharged respectively, dirt and garbage blockage in the dust discharge channel is avoided, and therefore it is guaranteed that the dust collector is used neatly, conveniently and efficiently.

The invention discloses a preparation method of an amphiphilic porous transmission layer, which comprises the following steps: 1) carrying out hydrophobization treatment on a titanium-based material to obtain a hydrophobic titanium-based material; (2) the hydrophobic titanium-based material obtained in the step (1) is subjected to laser regional burning treatment; and (3) carrying out hydrophilic treatment on the titanium-based material subjected to the cauterization treatment in the step (2) to obtain the amphiphilic porous transmission layer. According to the amphiphilic porous transmission layer provided by the invention, the amphiphilic porous transmission layer with a hydrophilic-hydrophobic alternating structure is constructed by combining a laser processing technology and a PTFE (Polytetrafluoroethylene) dipping hydrophobic modification technology, so that the split-diameter transmission of liquid water and oxygen in the titanium felt can be realized, the liquid water and the oxygen are efficiently discharged through a hydrophilic region and a hydrophobic region respectively, and the oxygen content in the titanium felt is reduced; and the mass transfer limitation of the electrolytic cell under high current density operation is greatly reduced, and the long-term operation life of the electrolytic cell is prolonged.

The invention provides a method and device for discharging residual charges of an air conditioner and the air conditioner. The air conditioner at least comprises a capacitor charging control circuit, a bus capacitor circuit, a fan driving circuit, a main control chip and a fan load. The discharging method comprises the steps that the main control chip responds to a bus capacitor discharging instruction and outputs a control signal used for controlling a capacitor charging control circuit to be disconnected; and obtaining a capacitor voltage value of a bus capacitor in the bus capacitor circuit, and controlling the fan driving circuit to drive the fan load to work through the obtained capacitor voltage value. According to the invention, rapid and efficient discharge of the bus capacitor can be realized, and the hardware cost and the system complexity are reduced on the premise of not influencing the working efficiency of the air conditioner.

The utility model discloses a connecting structure of a dust collector base station and a dust collector host. A dust cup cover is arranged at the end of the dust collector dust cup, and a plurality of dust collection cavities are formed in the dust collector dust cup in the axis direction; the dust collection structure is elastically clamped on the side surface of the dust collector dust cup; the dust collector base station comprises a sleeving structure and a base, a clamping sleeve structure is arranged on the sleeving structure, a notch with a lateral opening is formed in the clamping sleeve structure, a dust collector dust cup is inserted into the clamping sleeve structure, and the dust collecting structure is arranged in the notch in a penetrating mode; a dust exhaust channel is arranged in the dust collector base station and communicated with a base station dust cup in the base, and an exhaust structure is arranged on the base station dust cup. According to the utility model, the dust collection cavities in the dust collector host can be fully and efficiently discharged and recycled without disassembly, the dust collector host and the base station are stably positioned, the influence of motor vibration and airflow dust impact on the connecting structure is reduced, and the efficient and neat use of the dust collector host and the base station is ensured.

The invention relates to the technical field of servers, and discloses a server and a data center, the server comprises a server case, a first heat dissipation assembly and a refrigeration sheet, the server case is internally provided with a front function module and a rear function module, and the front function module and the rear function module are sequentially arranged along a first direction; the first heat dissipation assembly is arranged in the server case and comprises first heat dissipation fins and a first fan module, and the first heat dissipation fins and the first fan module are sequentially arranged between the front function module and the rear function module in the first direction; the refrigeration sheet is arranged on the side wall, in the second direction, of the server case and comprises a cold end and a hot end, and the cold end abuts against the first cooling fin; the second direction is perpendicular to the first direction, an internal cold source is provided for the server, the temperature in a server case is effectively reduced, and a continuous and stable low-temperature environment is provided for a rear functional module; and the heat dissipation efficiency in the server case is improved.

The invention relates to the technical field of medical drainage equipment, in particular to in-vivo effusion drainage equipment for breast surgery, which comprises a storage rack, a pair of drainage tubes and an overclothes for a patient to wear, two drainage bottles are placed in the storage rack, a box body is arranged at the top of the storage rack, and a driving mechanism is arranged in the middle of the interior of the box body; two first gas distribution mechanisms and two second gas distribution mechanisms are arranged in the box body and are symmetrically arranged relative to the driving mechanism. The first air distribution mechanism is driven by the driving mechanism to work to inflate and deflate the pressing air bag set, automatic pressing can be conducted on the mammary gland portion of an operation area of a patient, effusion can be rubbed away, accumulation of the effusion in mammary gland tissue is avoided, hematoma or blood clots are reduced, and the effusion is discharged more effectively; blood circulation and metabolism of surrounding tissues are promoted through pressing, swelling of an operation area is eliminated, postoperative pain and discomfort of a patient are relieved, swelling of the patient is relieved, and the healing process of the tissues is improved.

The invention discloses ultrafiltration membrane guided filtration equipment for urban sewage treatment, and belongs to the field of sewage treatment. The invention relates to ultrafiltration membrane guide filtering equipment for urban sewage treatment, which comprises a plurality of filtering tanks, and further comprises a sealing cover, a water inlet pipe, a water outlet pipe and a water outlet pipe, a bottom plate and a top plate are arranged in the filtering tank, and a plurality of fixed barrels are fixedly connected between the bottom plate and the top plate; the filter membrane is arranged on the outer side of the fixed barrel; a first cavity is formed between the filtering tank and the filtering membrane; a second cavity is formed between the sealing cover and the top plate; the first water supply pipe is communicated with the first cavity; the filtering effect and later cleaning of the filtering membrane are effectively prevented from being affected by excessive impurities attached to the filtering membrane, meanwhile, the filtering membrane can be cleaned without disassembly, and the cleaning efficiency of the filtering membrane is effectively improved.

The invention provides a GaN HEMT (High Electron Mobility Transistor) with strong non-clamping inductive switching capability in an irradiation scene and a preparation method thereof, and belongs to the technical field of semiconductors. Comprising a substrate layer, a gallium nitride layer, a passivation layer, a channel layer, a barrier layer and an electrode structure layer, the electrode structure layer comprises a grid electrode structure, a source electrode structure and a drain electrode structure, the source electrode structure and the drain electrode structure are arranged on the two sides of the grid electrode structure, the grid electrode structure is in a strip shape and arranged above the barrier layer in the first direction, and the source electrode structure and the drain electrode structure are connected with the channel layer; a plurality of rectangular P-type gallium nitride layers arranged in groups are arranged between the grid electrode structure and the drain electrode structure, the plurality of rectangular P-type gallium nitride layers arranged in groups are uniformly arranged at intervals along a first direction and are connected through a metal wire, the top of the metal wire is connected with a negative potential electrode, and an area between the potential barrier layer and the negative potential electrode is filled with a dielectric layer. The technical problems that the normal switching capability of a device is affected and the overvoltage robustness is degraded due to hole accumulation after irradiation of a traditional HEMT can be solved.

The invention discloses an intelligent lavage and drainage system for gastrointestinal surgery in the technical field of gastrointestinal surgery, and the system comprises an information collection module which is used for collecting gastrointestinal pressure information of a patient and recording and storing the pressure information; the data analysis and processing module is used for establishing a pressure model and a pressure threshold value by utilizing a machine learning algorithm based on the collected pressure information; the intelligent control module is used for controlling the flow speed and flow of the lavage fluid and the drainage fluid in different time periods according to the pressure information; and the early warning module is used for monitoring abnormal conditions of the gastrointestinal tract, automatically starting a drainage function and sending out an alarm signal when monitoring that the pressure information exceeds a preset pressure threshold value. By analyzing the relevance between various characteristic information and gastrointestinal tract environment information of the patient, the lavage and drainage parameters are automatically adjusted according to individual differences of the patient, and a more personalized treatment scheme can be provided, so that the treatment effect is improved.

The invention provides a black aluminum oxide ceramic material as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) mixing aluminum oxide, magnesium oxide, silicon dioxide, iron oxide, manganese oxide, chromium oxide and a solvent to obtain an aluminum oxide ceramic mixed solution; (2) mixing the alumina ceramic mixed solution with a binder, and grinding to obtain alumina ceramic powder; and (3) carrying out cold pressing treatment on the aluminum oxide ceramic powder, and carrying out vacuum pressureless sintering treatment to obtain the black aluminum oxide ceramic material. The black aluminum oxide ceramic material prepared by the method disclosed by the invention is relatively small in crystal grain, relatively small in pore and relatively high in density, and has relatively high compactness and thermal conductivity.

The filter element cleaning structure comprises a high-pressure filter element and a filter element head, the filter element head is fixedly installed at the top of the high-pressure filter element, moving rods are fixedly connected to the two sides of the bottom of the filter element head, moving blocks are movably connected to the surfaces of the moving rods, moving rings are fixedly connected to the inner sides of the moving blocks, and the moving rings are fixedly connected to the inner sides of the moving blocks. And a scraping ring is fixedly mounted at the bottom of the inner side of the moving ring. By arranging the moving rod, the moving block, the moving ring and the scraping ring, the moving block can effectively drive the moving ring to move on the surface of the moving rod, then the moving ring is pulled to move up and down through the adjusting assembly, the scraping ring on the inner side of the moving ring can clean the surface of the high-pressure filter element, and the problem that the surface of the high-pressure filter element cannot be cleaned due to the absence of a cleaning structure is solved. The problems that after the filter element is used for a long time, impurities and dust can be blocked and adsorbed on the surface of the filter element, the filtering effect of the filter element is reduced, the service life of the filter element is shortened, and normal use of the filter element filter is affected are solved.

The invention relates to a robot which comprises a trunk structure, a controller, a charging structure, a driving assembly and a walking structure, and the trunk structure is provided with a mounting cavity; the controller is mounted in the mounting cavity; the charging structure is connected with the trunk structure, is electrically connected with the controller and is used for supplying power to the controller; the robot comprises a trunk structure, a controller, a driving assembly and a walking structure, the driving assembly is electrically connected with the controller, the driving assembly is installed on the trunk structure, the walking structure is connected with the output end of the driving assembly, and the driving assembly is controlled by the controller to drive the walking structure to move. The robot can walk, retreat, roll and lie down, so that the robot can be applied to various fields of families, industry, rescue, detection and the like, and the application universality of the robot is achieved.

The utility model relates to the field of degassing of heat-conducting gel, in particular to a degassing device applied to heat-conducting gel, which comprises a bottom plate, a degassing unit is arranged on one side of the upper surface of the bottom plate, a gas container is arranged on the other side, far away from the degassing unit, of the upper surface of the bottom plate, a mounting plate is arranged in the middle of the upper surface of the bottom plate, and the degassing unit comprises a container. A protective shell is mounted outside a container, an upper cover is mounted on the upper surface of the container and is hermetically mounted on the upper surface of the container through a sealing ring, a sealed space is formed through the arranged container, then heat-conducting gel is input into the sealed space, and after helium is conveyed into the sealed space through a helium gas degassing method and helium gas is conveyed into the sealed space through a helium gas pipe, the heat-conducting gel is sealed. According to the heat-conducting gel degassing device, the heat-conducting gel can be effectively degassed, air in the heat-conducting gel is effectively exhausted and then exhausted through the material suction pipe, it is guaranteed that the purity of the heat-conducting gel is higher, performance parameters are better, and the protective shell can play a good protection role.

The invention discloses a waste gas treatment device for a steam boiler, and relates to the technical field of waste gas treatment.The waste gas treatment device comprises a purification bin, a gas inlet pipe is arranged at the bottom of the purification bin, a first exhaust pipe is arranged on one side of the upper end of the purification bin, a filter plate is fixedly installed in the purification bin, and a sleeve is fixedly installed at the bottom of an inner cavity of the purification bin; a cleaning assembly for cleaning the filter plate is arranged at the bottom of the sleeve, and a spraying assembly is arranged below the filter plate. According to the waste gas treatment device for the steam boiler, a cleaning plate and a rotating disc are driven by a servo motor to rotate, particulate matter adhering to the bottom surface of a filtering plate is effectively removed, in addition, a second inclined block and a cleaning rod are driven by the rotating disc to move, filtering holes of the filtering plate can be thoroughly cleaned, blockage is avoided, the filtering effect is guaranteed, and the practicability is high. And through cooperation of a first inclined block and a knocking rod, knocking vibration cleaning of the fixing frame, the arc plate, the cleaning rod and other components is achieved.

The utility model relates to the technical field of computer heat dissipation, in particular to an efficient heat dissipation device for computer management, which comprises a placement frame, a plurality of ventilation grooves are formed in the upper end and the lower end of the placement frame, two fixing blocks are fixedly connected to the front end of the placement frame, and a cooler is fixedly connected to the interior of the placement frame. The lower end of the placing frame is fixedly connected with an adjusting support. According to the efficient heat dissipation device for computer management, heat generated in a computer can be effectively absorbed and discharged through the arranged cooler and the arranged adjusting support, it is ensured that the computer keeps stable performance under long-time and high-load operation, and the service life of the computer is prolonged. Meanwhile, the user can adjust the height and the angle of the computer screen according to requirements, so that the user can keep a more comfortable sitting posture and a more comfortable visual angle during operation.

The invention relates to the technical field of automobile detection, and discloses an auxiliary device for new energy automobile part detection, which comprises a workbench, a reservoir filled with clear water is arranged in the workbench, a to-be-detected automobile oil tank is placed in the reservoir, an auxiliary arm is arranged above the reservoir, and the auxiliary arm is connected with the workbench. One end, close to the reservoir, of the auxiliary arm is provided with a pressure sinking mechanism used for pressing the automobile fuel tank into clear water in the reservoir. The bottom wall of the automobile fuel tank is knocked through the tank shaking and bubble discharging piece of the bubble discharging mechanism in a telescopic mode, the automobile fuel tank is effectively vibrated, bubbles in gaps in the lower surface of the automobile fuel tank are prompted to be discharged, the misjudgment situation caused by bubble retention is remarkably reduced through the step, and the sealing performance detection result is more reliable and accurate; the automatic bubble discharging and vibrating process reduces the need of manual intervention, the detection efficiency is improved, an operator only needs to start the device, the steps of bubble discharging and automobile fuel tank vibrating can be automatically completed, and time and labor cost are saved.

The utility model relates to the technical field of coal bed gas exploitation, and discloses a water-gas separation device for coal bed gas exploitation, which comprises a separation box, and one side of the separation box is provided with a gas inlet. The coal bed gas is input into the separation box through the gas inlet and impacts on the gravity separation plate, the coal bed gas is blocked by the gravity separation plate, and meanwhile, the contact area with the coal bed gas is greatly increased through the multiple water guide plates and the vertical water guide plates, so that a mixture of water and the coal bed gas flows downwards, and due to the fact that water drops deposit downwards due to the weight, gas moves upwards; when the coal bed gas passes through the first umbrella-plate separator, large water drops carried by the coal bed gas are separated, the water drops are condensed on the first umbrella-plate separator and flow downwards, rising natural gas passes through the third umbrella-plate separator, then fine water drops carried by the coal bed gas are separated through the foam breaking net, and the fine water drops are condensed into large water drops to sink down. And the coal bed gas with separated water is discharged from an exhaust port, and the sinking liquid also passes through an umbrella plate separator II, so that the sinking liquid is broken and dispersed.

The utility model relates to the technical field of centrifugal treatment, and discloses a centrifugal device for preparing medical intermediates, which comprises a centrifugal tank, limiting slideways are fixedly mounted on two sides in the centrifugal tank, limiting slip rings are slidably mounted in the two limiting slideways, and an inner screening cylinder is fixedly mounted in the two limiting slip rings. An extrusion mechanism is mounted in the inner screening cylinder; and the extrusion mechanism comprises a material guide cylinder which is mounted at the bottom of the inner screening cylinder in a communicating manner. The driving motor drives the gear to rotate, the gear ring meshed with the gear can drive the tooth inner screening barrel to rotate, objects in the inner screening barrel are centrifugally screened, meanwhile, an inner piston rod of the extrusion mechanism is pressed downwards, an extrusion block at the bottom is pushed to continuously get close to the bottom of the inner screening barrel, water contained in materials is extruded, and the screening efficiency is improved. And in addition, the dried materials can be extruded out of the material guide barrel, so that the discharging efficiency of the centrifuged materials is improved.

The utility model discloses a construction waste classification recovery device, including: support component, roll screen drum, discharge conveyor belt and roll drive component, roll drive component includes motor and shaft lever rotatingly installed on the surface of support component, motor is used for shaft lever rotation motion, shaft lever surface is equipped with the runner that is used for supporting roll screen drum, and the roll screen drum is equipped with the discharge conveyor belt. The rolling screen drum comprises a first-stage screen, a second-stage screen and bearing rings located on the two sides of the first-stage screen and the two sides of the second-stage screen, the rotating wheels are attached to the surfaces of the bearing rings in a sliding mode, and a plurality of evenly-distributed magnetic strip rods are fixedly installed on the inner side of the rolling screen drum. According to the utility model, a novel magnetic separation type structure is arranged, and the magnetic strip rod penetrates into the disintegrating slag to perform magnetic attraction in the rolling motion of the rolling screen drum, so that ferromagnetic crushed powder slag and the like are strongly adsorbed, and the ferromagnetic crushed powder slag and the like are adhered to the surface of the magnetic strip rod, are separated in the rolling process and are output by the discharging conveyor belt; and efficient capturing and discharging of ferromagnetic materials are achieved.

The utility model discloses a direct current charging pile rectifier cabinet which comprises a cabinet body, a partition plate which is transversely arranged to enable the interior of the cabinet body to form two cavities is installed in the cabinet body, a power supply module is installed at the upper end of the partition plate, and an electrical component is installed in the inner cavity of the cabinet body and located below the partition plate. The two sides of the cabinet body are provided with shutters which are convenient for ventilation and heat dissipation. The partition plates are arranged in the cabinet body to separate the battery modules from the electrical components, so that the heat of the battery modules and the electrical components is prevented from being mutually conducted to influence the working efficiency; the two shutters form convection, heat in the cavity where the battery module is installed is effectively discharged, the shutter blades on the shutters are of bent structures, the top of the lower shutter blade of any two adjacent shutter blades exceeds the bottom of the upper shutter blade, and rainwater is prevented from entering the cabinet body.

The invention relates to an efficient heat dissipation type server case shell, and relates to the technical field of server cases. The efficient heat dissipation type server case shell comprises a shell body and a filter screen, the shell body is further provided with a cleaning mechanism, the cleaning mechanism comprises a cleaning frame and a driving assembly, the cleaning frame is provided with a plurality of bristles, the bristles extend into meshes in the filter screen, and the driving assembly drives the cleaning frame to rotate. And the driving assembly is used for driving the cleaning frame to move in the height direction of the filter screen, so that dust in meshes of the filter screen is brushed off by the bristles. The computer case shell has the effect of ensuring the heat dissipation effect of the computer case shell.

The utility model belongs to the technical field of sewage treatment, and particularly relates to a sewage treating agent adding and mixing device for sewage treatment, which is characterized in that a treating agent can be uniformly fed up and down in a mixing box through a plurality of agent outlets which are uniformly distributed up and down, so that the treating agent is uniformly mixed up and down with sewage on the inner side of the mixing box; a stirring rod stirs sewage in the mixing box, the mixing uniformity of a treating agent and the sewage is improved, a medicine flushing assembly can enable the treating agent in a medicine hopper to be efficiently discharged from a medicine outlet, the treating agent makes full contact with the sewage, the medicine effect of the treating agent is improved, and therefore the sewage treatment quality is improved, and a filter box can prevent impurities from entering the inner side of a water pump; the service life of the water pump, the connecting pipe and other components is prolonged, the control handle and the push rod are matched to enable the medicine flushing assembly to work synchronously, the use convenience is improved, the row brush can scrape sediment at the bottom of the mixing box and fully mix the sediment with the treating agent, and the situation that the mixing effect is affected by the sediment is avoided.

Irrigation wells and drainage wells are excavated in the diagonal positions of the inner side of a square retention wall correspondingly, a multifunctional ditch is connected between the irrigation wells and the drainage wells, a partition plate is horizontally arranged on the longitudinal middle-upper portion of the multifunctional ditch, the upper portion of the partition plate is an irrigation cavity, and the lower portion of the partition plate is a drainage cavity. One end of the top of the irrigation cavity is connected with an irrigation main pipe installed in the irrigation well, a plug is arranged at the other end of the top of the irrigation cavity, one end of the drainage cavity is communicated with the middle of the drainage well, a ridge body and a ditch body which are adjacent to each other are arranged on the surface of the saline-alkali soil to be modified, and a drainage concealed pipe communicated with the drainage cavity is arranged below the ridge body. An irrigation branch pipe communicated with the irrigation cavity is arranged at one end of the upper part of the ditch body; the dual functions of upper irrigation and lower drainage are achieved through the multifunctional ditch, and specific soil is modified through carbon-based microbial fertilizer added to the roots of saline-alkaline tolerant plants in cooperation with the design of ridge bodies and ditch bodies at the top.

The utility model provides an accumulated sludge discharge device for a grid reaction tank, which relates to the technical field of accumulated sludge discharge devices and comprises the grid reaction tank, a sludge discharge port is formed in the grid reaction tank, a sludge collecting funnel is arranged in the grid reaction tank, and a funnel port of the sludge collecting funnel is matched with the cross section of the grid reaction tank. The outer wall of the funnel opening is attached to the inner wall of the grid reaction tank, and a discharge spout of the sludge collecting funnel is communicated with the sludge discharge opening. According to the utility model, sludge can be prevented from being accumulated at the bottom of the grid reaction tank and can be effectively discharged.