82results about How to "Avoid re-entry" patented technology

The present invention discloses a cotton carding machine with a cotton lint dust removal function, comprising a frame, a cotton carding machine body, a cotton lint discharging and conveying mechanism, a plurality of beating mechanisms and a dust suction mechanism, wherein the cotton carding machine body is mounted on the frame, a dust removal cover is arranged on the frame, the dust removal cover is located at one side of the cotton carding machine body, a cotton lint inlet is provided at the lower end of the side wall of the dust removal cover close to the cotton carding machine body, a cotton lint outlet is provided at the lower end of the side wall of the dust removal cover away from the cotton carding machine body, the cotton lint discharging and conveying mechanism is arranged on the frame and located below the dust removal cover, a plurality of beating mechanisms are arranged on the inner wall of the dust removal cover, and the dust suction mechanism is arranged on the frame and located at one side of the dust removal cover. The present invention can better beat out dust and impurities in cotton lint, and timely collect and process the dust and impurities beaten out.

The invention provides a synergistic remediation method for soil heavy metal pollution, and belongs to the technical field of heavy metal soil remediation. The method comprises the following steps: inoculating bacteria with resistance and adsorbability to a plurality of heavy metals into the heavy metal polluted soil; shrub plants with high resistance level to heavy metals are planted in the soil polluted by the heavy metals; crushing a trunk of a shrub plant, performing pyrolysis and carbonization to obtain shrub biochar, mixing the shrub biochar with dispersed nano Fe3O4, and performing crystallization to obtain modified biochar; a product obtained by mixed fermentation of the modified biochar, branches and leaves of shrub plants and bacteria with resistance and adsorbability to various heavy metals is added into the heavy metal polluted soil where the shrub plants are planted, so that remediation of the heavy metal polluted soil is realized. According to the method, microorganisms, plants and biochar are combined, heavy metals in the soil are effectively removed fundamentally through triple remediation cooperation, and the remediation efficiency is remarkably improved.

The utility model discloses a sludge-based activated carbon preparation device, and relates to the technical field of activated carbon preparation equipment, the sludge-based activated carbon preparation device comprises a filter box, a cleaning mechanism is arranged in an inner cavity of the filter box, the cleaning mechanism comprises a mounting plate fixedly mounted on the inner wall of the filter box, and a lower fixing ring is fixedly mounted at the top of the mounting plate; a buffer spring is arranged on the inner side of the lower fixing ring, an upper fixing ring is arranged at the top of the buffer spring, a fixing plate is arranged at the top of the upper fixing ring, a vibration motor is arranged at the bottom of the fixing plate, and an electrostatic dust collector is arranged at the top of the fixing plate. According to the sludge-based activated carbon preparation device, by arranging the cleaning mechanism, the electrostatic dust collector can generate tiny vibration, so that particles are loosened and separated from the surface of the electrostatic dust collector, the dust collection efficiency and performance of the electrostatic dust collector can be recovered, the filtering effect is improved, and it is ensured that the surface of the electrostatic dust collector is kept in a good clean state.

The invention discloses a carbon dioxide purifying and cooling process, and relates to the technical field of carbon dioxide purifying and processing. A working table, a mounting frame, a multi-stage separation and self-scraping combined mechanism, a fan blade disc, a distributed air inlet part and a clamping type collecting part are matched to complete purification and cooling of carbon dioxide, and the upper end face of the working table is fixedly connected with the mounting frame; the lower portion of the centrifugal cylinder located on the lower portion is provided with a distributed gas inlet part used for evenly dispersing carbon dioxide gas so that the carbon dioxide gas can be evenly led into the centrifugal cylinder, and the lower portion of each centrifugal cylinder is connected with a clamping type collecting part in a clamped mode. Impurities with different sizes and densities are removed from carbon dioxide gas step by step through a plurality of centrifugal cylinders which are communicated in sequence and have different radiuses, high-concentration and complex gas mixtures are better treated, and meanwhile solid particles and liquid drops on the inner wall can be removed in real time in the separation process; the sediment is prevented from being thickened and is prevented from being carried again by airflow, continuous operation of carbon dioxide gas treatment is guaranteed, and the purification treatment speed is increased.

The utility model discloses a walking type sweeping device, which relates to the technical field of sweeping vehicles and comprises a machine body and a dust collection device, a rotating shaft is movably mounted at one end in the machine body, a second belt pulley is fixedly mounted at one end of the rotating shaft, and a detachable filter plate is movably mounted at one end of the dust collection device. And a fixed plate is fixedly mounted at one end in the dust collection device. By arranging the water tank, the roller type dust brush, the fan blades, the detachable filter plate and the like, cleaning agents are added into the water tank and are dripped on the surface of the roller type dust brush through the water leakage holes, so that the cleaning effect on adhesive stains is enhanced, the roller type arrangement position of the roller type dust brush is matched with the dust cleaning sponge for use, and the dust cleaning effect is improved. And the dust cleaning sponge is uniformly wiped and cleaned, so that the dust cleaning surface of the roller type dust brush can be kept clean all the time.

The invention belongs to the technical field of chemical synthesis, and particularly relates to a system and a method for preparing anhydrous peroxy acid with more than C3. The system comprises a reactive distillation dividing wall tower, the reactive distillation dividing wall tower comprises a reaction separation zone, a water zone, a tower top zone and a tower bottom zone, the reaction separation zone and the water zone are arranged between the tower top zone and the tower bottom zone, the reaction separation zone is provided with a raw material inlet, and the water zone is provided with a plurality of solvent inlets; the reaction separation area and the water-carrying area are separated through a NaA molecular sieve membrane assembly, and the bottom of the water-carrying area is of a closed structure. By adopting the system disclosed by the invention, water generated by reaction and water brought by hydrogen peroxide can be removed from the system in time, backmixing among reaction raw materials is reduced, the reaction rate is further increased, and meanwhile, the water content of peroxide at the tower bottom can be reduced, so that the retention time of the peroxide is shortened, and the energy consumption is reduced.

The invention relates to the technical field of graphitization furnaces, in particular to a waste discharge mechanism of a graphitization furnace, which comprises a furnace body, the top of the furnace body is connected with an exhaust pipeline, the top of the exhaust pipeline is communicated with a purification pipeline, the upper end in the exhaust pipeline is provided with a filter screen plate, and a fan-shaped stop block is arranged above the filter screen plate and in the purification pipeline. A fan-shaped stop block is arranged in the furnace body, a rotating rod penetrates through the interior of the fan-shaped stop block, the fan-shaped stop block is connected with a back flushing mechanism, and when the rotating rod drives the fan-shaped stop block to rotate, the back flushing mechanism is used for blowing powdery materials at the bottom of the filter screen plate into the furnace body. The phenomenon that powdery materials in the furnace body are discharged out of the furnace body along with waste gas in the using process of the furnace body can be effectively avoided, and the powdery materials at the bottom of the filter screen plate can be blown into the furnace body, so that the powdery materials are prevented from being accumulated at the bottom of the filter screen plate, and the powdery materials are reused.

The utility model relates to the technical field of constructional engineering, and discloses a waterless raised dust treatment device which comprises a main body, air pipes used for extracting waste gas air are clamped on the two sides of the main body, a vehicle plate frame convenient to move is fixedly installed at the bottom of the main body, and a storage box used for collection is clamped in the main body. A filter plate for conveniently screening impurities is clamped in the storage box, a through pipe for increasing the absorption area is fixedly mounted at the top of the main body, and an adjusting pipe for conveniently and accurately absorbing dust is arranged on one side of the main body. According to the water-free raised dust treatment device, through cooperative arrangement of the main body, the air pipe, the through pipe and the adjusting pipe, pollution gas can be better extracted in multiple directions when the device is used, the overall efficiency in the operation process is improved, large-area absorption can be conveniently carried out on an area, influences of space places are avoided, linkage among parts is ensured, and the service life of the device is prolonged. And mutual cooperation of hand position adjustment and automatic propelling absorption is facilitated.

The present invention discloses a device for removing the cuticle on the surface of sea cucumbers, and relates to the technical field of sea cucumber processing. The present invention comprises a device body, wherein a cleaning cylinder is fixedly installed inside the device body through a bracket, a collecting frame is fixed on one side of the device body, a spray device is arranged on the side of the cleaning cylinder, openings are provided on both sides and the bottom of the cleaning cylinder, a cleaning device is arranged inside the cleaning cylinder, and the cleaning device comprises a motor 1 and a motor 2, wherein the motor 1 is fixed on the outer wall of one side of the cleaning cylinder. The present invention, through the arrangement of the cleaning device, enables the cleaning brush cylinder to scrub the sea cucumbers in the lower arc shell and the upper arc shell, and at the same time, the cleaning brush cylinder and the sea cucumbers in the lower arc shell and the upper arc shell are in relative motion, and the relative motion can make the contact between the bristles of the cleaning brush cylinder and the surface of the sea cucumber more comprehensive, and can cover more surface areas, thereby improving the comprehensiveness and uniformity of cleaning.

This invention belongs to the technical field of traditional Chinese medicine extraction equipment, specifically relating to an automated sterilization process for the entire pipeline of traditional Chinese veterinary medicine extraction. This application modifies the entire pipeline of traditional Chinese veterinary medicine extraction to meet the requirements of high-temperature and high-pressure steam sterilization. Before the extraction of traditional Chinese veterinary medicine, high-temperature and high-pressure steam is used to sterilize the entire pipeline. Then, the extraction temperature in the extraction tank is controlled to ensure the sterilization of the extract, thereby ensuring that the final oral liquid meets the sterilization requirements. This saves on the terminal sterilization process and allows for direct filling with non-high-temperature resistant packaging, greatly saving manufacturing costs.

The utility model relates to the field of sewage treatment discloses a kind of floating oil collecting device and sewage treatment system, the floating oil collecting device includes heating assembly, containing piece and suction piece.The containing piece is opened with the containing groove of notch upwards, and the containing groove is used to contain the liquefied floating oil produced when the heating assembly heats floating oil layer, and the suction piece is used to extract the liquefied floating oil from the containing groove.The floating oil collecting device collects liquefied floating oil through the containing groove, so that liquefied floating oil is separated from other liquids in waste liquid pool, and then the suction piece removes the liquefied floating oil in the containing groove, thereby completing the separate collection of floating oil.The floating oil collecting device largely avoids extracting waste liquid together with floating oil, reduces the difficulty of subsequent floating oil reuse, and also ensures the collection efficiency of floating oil.

The invention discloses mixing equipment for release agent production and a preparation process thereof, and relates to the technical field of environmental protection, the mixing equipment comprises a mixing unit and a decarburization unit, and further comprises a desulfurization unit; the decarburization unit is located at the rear end of the mixing unit, flue gas is firstly treated by the decarburization unit, carbon dioxide in the flue gas is removed, and then the flue gas enters the desulfurization unit to remove sulfur dioxide in the flue gas. The decarburization and desulfurization integrated device has the advantages that in the process of producing mixed raw materials through the release agent, decarburization and desulfurization integrated design is adopted for analyzing and absorbing harmful flue gas generated in the preparation process, the occupied area is reduced, waste utilization is achieved, in the analysis process, desulfurization operation does not need to be stopped, and the desulfurization efficiency is improved; the separation of solids in a mixed solution can be accelerated, and when the solids are heated, the probability that the separated solids are adhered to the analysis kettle is effectively reduced, so that the subsequent cleaning of the analysis kettle is facilitated.

The utility model relates to domestic appliance technical field, concretely provides a water purifier, and aims at solving the problem that the existing water purifier has complex pipeline connection, higher cost and poor cleaning effect. The water purifier of the application includes reverse osmosis membrane filter element and filter filter element, and the filter filter element includes casing and filter filter material, the casing has first chamber and second chamber, and first cleaning agent and second cleaning agent are respectively arranged in the first chamber and the second chamber, and the filter filter material is arranged in the first chamber and / or the second chamber, and the first cleaning agent and the second cleaning agent can be transported to the reverse osmosis membrane filter element after dissolving to clean the reverse osmosis membrane filter element. The application can clean the reverse osmosis membrane filter element when replacing the filter filter element, and does not need to set up the external cleaning module, thereby simplifying the pipeline connection of the water purifier, reducing the cost, by setting up two kinds of cleaning agent, can remove different types of dirt on the reverse osmosis membrane filter element, improve the cleaning effect, prolong the service life.

The invention provides a real-time online treatment electroplating liquid recycling device and method.The device comprises an electroplating cavity, a flow guide pipe, a recycling cavity, a liquid sealing device, a pump body and a backflow pipe; a liquid outlet of the electroplating cavity is connected with a liquid inlet of the recycling cavity through a flow guide pipe, a liquid outlet of the recycling cavity is connected with a liquid inlet of the electroplating cavity through a backflow pipe, and the pump body and the liquid sealing device are arranged on the backflow pipe. The recycling cavity comprises a water removal device and an oxygen removal device, the water removal device is used for removing the water content exceeding a preset value in the electroplating liquid, and the oxygen removal device is used for removing oxygen in the electroplating liquid so that the oxygen content can be reduced to the ppm magnitude range. Oxygen and excessive water in the electroplating waste liquid are removed through the recycling cavity, the electroplating waste liquid is treated in time through the design of the flow guide pipe and the backflow pipe, and the treated electroplating waste liquid is input into the electroplating cavity in time, so that online recycling of the electroplating liquid is achieved, efficiency is greatly improved, stability of the electroplating liquid is maintained, and meanwhile, the production cost is reduced. The liquid sealing device is arranged on the return pipe, so that the electroplating liquid after deoxygenization operation is prevented from entering air again.

The utility model belongs to the technical field of quartz sand preparation, and particularly relates to a vacuum sintering device. The vacuum sintering device provided by the utility model can provide a vacuum environment for quartz sand preparation, impurities in gas-liquid inclusion can be more effectively removed in a high-temperature vacuum state, the purity of the quartz sand is improved, the vacuum environment has no pollution source, and the quality of the quartz sand can be effectively controlled. Meanwhile, the vacuum environment is beneficial to inhibiting volatilization and diffusion of some impurities and preventing the impurities from entering the quartz sand again; the high-temperature vacuum state is beneficial to removal of hydroxyl in the quartz sand. According to the vacuum sintering device provided by the utility model, quartz sand can be prepared by adopting single equipment, the prepared quartz sand is high in purity which is more than 99.998%, the hydroxyl content is low, the hydroxyl content is less than 1ppm, the granularity is 0.1-0.3 mm, the quartz sand can be used as a raw material of inner-layer sand of a photovoltaic or semiconductor quartz crucible, meanwhile, the production efficiency is improved, and the vacuum sintering device is green and environment-friendly.

The present invention relates to the technical field of blood testing, and in particular to a cardiology blood sampling and testing device, comprising: a sample placement box, a top cover fixedly installed on the upper end of the sample placement box, a centrifuge installed inside the sample placement box, and a sampling device fixed on the side of the sample placement box, wherein half of the top cover is set as a rotating plate, and the other half is set as a mounting plate, and a mounting port is provided on the mounting plate; the sampling device comprises a sampling terminal and a sampling tube, the sampling tube is installed at the bottom of the sampling terminal, an internal flushing component is arranged inside the sampling terminal, and the internal flushing component is used to clean the inside of the sampling tube; the internal flushing component comprises a cleaning rod, a scraper ring and a plurality of nozzles, and the cleaning rod is telescopically slidably arranged inside the sampling terminal. The present invention can quickly clean the inner and outer walls of the sampling tube, avoid a large amount of sample remaining inside and outside the sampling tube during the sampling process, and ensure the accuracy of the detection.

A treatment assembly is arranged on a treatment box, the treatment assembly comprises a sliding groove, a long plate, a handle, a connecting plate, an electric push rod, a separation box and a barrier strip, the sliding groove is formed in the inner side of the treatment box, the long plate is connected to the sliding groove in a sliding mode, the handle is installed at the top end of the long plate, and the connecting plate is connected with the electric push rod. The connecting plate is mounted on the inner side of the long plate, the electric push rod is mounted on the connecting plate, the separation box is mounted at the output end of the electric push rod, the barrier strip is mounted on one side of the separation box, and a stirring assembly is mounted on one side of the treatment box and comprises a collecting barrel, a mounting frame and a servo motor. The collecting barrel is arranged on one side of the treatment box, the mounting frame is mounted at the top of the collecting barrel, and the servo motor is arranged on the mounting frame, so that the technical problem that scum in water cannot be effectively separated by an existing device mentioned in the background technology is solved.

This utility model relates to the technical field of coolant circulation and purification, and in particular to a coolant circulation and purification mechanism for an irregularly shaped copper busbar sawing machine, comprising: a coolant tank, which is supported on the ground and has a liquid storage chamber inside; a circulation pump installed on the coolant tank; a liquid inlet, which is fixedly connected to the top of the coolant tank and communicates with the liquid storage chamber inside; a coarse filter plate, which is installed on the coolant tank and is used to filter and protect the coolant inside; a guide plate, which is fixedly installed in the coolant tank and is located below the coarse filter plate, and is used to guide the coolant flow; and a filtration mechanism, which is installed in the coolant tank and is used to receive and filter the coolant guided by the guide plate; wherein, the filtration mechanism includes: a filter box, which is fixedly installed on the side wall of the coolant tank, with two fixed insertion holes symmetrically arranged on the inner side wall of one end of the filter box, and two insertion ports arranged on the opposite side of the fixed insertion holes.

The application discloses a kind of for sewage treatment ultra-efficient shallow air floaters and processing technology, its ultra-efficient shallow air floater includes pool body, cloth liquid unit, mounting bracket and drive unit, pool body inserts with sewage pipe and inlet pipe, sewage pipe is connected with sewage pipe, inlet pipe is connected with Venturi jet and is connected with its water inlet, the air pipe and the dissolved air water pipe are connected with the air inlet and the water outlet of Venturi jet respectively;Cloth liquid unit includes mixing pipe and cloth liquid pipe, mixing pipe is connected with sewage pipe, dissolved air water pipe, cloth liquid pipe is connected on mixing pipe, mounting bracket is arranged on sewage pipe, and mounting bracket is provided with scraper;Drive unit drives mounting bracket to rotate;Pool body is equipped with scum cylinder, scum cylinder is equipped with scum box, the height of front side box wall of scum box is greater than rear side box wall, mounting bracket is equipped with bending assembly for bending scraper, and the scraper after bending restores original shape after passing through low side box wall of scum box.The ultra-efficient shallow air floater provided by the application can improve the efficiency of the scraper to remove scum.

The invention discloses a two-in-one optical sensor with a liquid turbidity and dust concentration detection function, which comprises a circuit board, and the circuit board is provided with a power supply, a power supply conversion module, a central processor module, a data interaction module, a data interaction interface, a light emission control module, a light emission module, a light receiving module and a signal processing module. The power supply is used for supplying power to the light emission control module and the signal processing module, and the data interaction interface is used for receiving a command of a client upper computer and sending a detection command to the data interaction module or outputting a final detection result to the client upper computer. And the data interaction module is used for converting the command and transmitting the converted command to the central processing unit module. The optical sensor integrates various modules, so that in the working process of the suction and mopping all-in-one machine, the mass concentration of tiny dust in gas and the cleanliness of liquid can be obtained by utilizing visible light or infrared light of a special wave band, and then the cleaning mode is adjusted, the cleaning efficiency is improved, and intelligentization is achieved.

The invention relates to the field of annular fan structures, in particular to a transformer annular fan stable in heat dissipation performance, which comprises a fan body and a transformer body, an air outlet end of the fan body is fixedly connected with an annular pipe, and the annular pipe surrounds the transformer body, and is characterized in that one side of the transformer body is provided with an adjusting mechanism; a connecting mechanism is arranged on one side of the fan body, an air door mechanism is arranged in the annular pipe, and a cleaning mechanism is arranged at the air draft end of the fan body. The adjusting mechanism comprises a connecting plate fixedly connected with one side of the transformer body, air in different directions can be extracted through left-right deviation while the draught fan ascends and descends, a rotating plate in the ventilation opening is matched with a rotating plate in the exhaust opening to rotate, the flowing path of airflow can be adjusted, the overall heat dissipation efficiency of the dry-type transformer is improved, and the heat dissipation efficiency of the dry-type transformer is improved. The service life of parts is guaranteed, and the structure deformation or damage risk is reduced.

The utility model relates to an extruder capable of preventing vacuum overflow. The extruder comprises an extrusion assembly, an anti-overflow assembly, a vacuumizing assembly and a solid accommodating chamber, the extruding assembly comprises an extruding machine barrel and an extruding screw rod, and the extruding screw rod movably penetrates through the extruding machine barrel; the anti-overflow assembly comprises an anti-overflow machine barrel and an anti-overflow screw rod, the anti-overflow machine barrel is communicated with the extruder barrel, the anti-overflow screw rod movably penetrates through the anti-overflow machine barrel to be inserted into the extruder barrel, and the anti-overflow screw rod comprises a left-handed first thread element, a right-handed second thread element and a left-handed third thread element; the first thread element, the second thread element and the third thread element are sequentially arranged in the direction away from the extruder barrel, the relationship between the thread pitch p1 of the first thread element and the thread pitch p2 of the second thread element is as follows: 1.5 p1 < = p2 < = 3p1, and the relationship between the thread pitch p1 of the first thread element and the thread pitch p3 of the third thread element is as follows: 0.5 p1 < = p3 < = p1; the vacuumizing assembly comprises a vacuum chamber, and the vacuum chamber is communicated with the anti-overflow machine barrel; and the solid accommodating chamber is communicated with the anti-overflow machine barrel and is opposite to the vacuum chamber. Compared with the prior art, materials overflowing from the extruder barrel are sent back into the extruder barrel through the rotation of the anti-overflow screw rod, and even if excessive materials overflowing from the extruder barrel enter the anti-overflow barrel, the materials can enter the solid accommodating chamber along with the anti-overflow screw rod, so that the cooled and deteriorated materials are prevented from entering the extruder barrel again to pollute the materials.

The present application relates to the technical field of medical devices, in particular to a wound debridement device for blood tumor patients, comprising a handle vertically arranged, an injection part, an adsorption part and a mounting part for clamping medical cotton, the lower end of the handle is provided with a placing cavity, the mounting part is arranged in the placing cavity, the injection part comprises a first cylindrical cavity, a first button, a vertical slide and a first flow channel arranged in the handle, the mounting part comprises a fixing block arranged in the placing cavity and detachably connected with the handle, when the medical cotton is clamped on the handle by the fixing block, part of the medical cotton extends out of the lower end of the handle through the center hole of the fixing block, and the adsorption part comprises a second cylindrical cavity, a second button and an adsorption channel arranged vertically. The present application is simple and fast in operation when debriding the wound of the patient, greatly shortens the debridement time and reduces the labor intensity of medical staff, simultaneously reduces the time of exposing the wound of the patient to the outside, reduces the risk of wound infection and improves the wound healing speed.

The utility model relates to the technical field of waste gas purification treatment, in particular to a nitrogen oxide yellow smoke treatment device, which comprises a tower body, an annular partition cylinder, an annular cover plate, a filtering turbulent flow component, a spraying circulating component and a packing layer, a gas inlet is arranged at the bottom of the front side of the tower body, the annular partition cylinder is arranged in the middle of the inner bottom wall of the tower body, and an inner cavity of the annular partition cylinder is communicated with the gas inlet. The annular cover plate is installed at the top end of the annular partition cylinder, the outer ring of the annular cover plate is connected with the inner side wall of the tower body, the inner side wall of the tower body, the annular partition cylinder and the annular cover plate form an annular cavity, the annular cavity is communicated with a through hole in the annular cover plate, and the bottom end of the filtering turbulent flow assembly is connected with the inner ring of the annular cover plate and communicated with an inner cavity of the annular partition cylinder. The spraying circulating assembly is arranged above the filtering turbulent flow assembly and is communicated with the annular cavity, and the packing layer is arranged above the spraying circulating assembly; according to the utility model, large-particle impurities contained in the waste gas are effectively filtered, and the contact time and the contact area of the waste gas and the purification liquid are improved.

The invention generally relates to the technical field of medical equipment, in particular to an ECMO pre-filling system and a pre-filling method.The ECMO pre-filling system comprises a pre-filling support, a pre-filling bag and a peristaltic pump, the pre-filling support is sequentially provided with a first connecting part, a second connecting part and a third connecting part from top to bottom, the first connecting part is provided with an infusion bottle, and the second connecting part is provided with a second connecting part; a pre-filling bag is arranged on the second connecting part, a peristaltic pump is arranged on the third connecting part, the infusion bottle is communicated with the pre-filling bag through an infusion pipe, a conveying pipe is connected to the bottom of the pre-filling bag, the conveying pipe conducts infusion pumping on the ECMO pipeline through the peristaltic pump, and a backflow pipe of the ECMO pipeline is communicated with the pre-filling bag. Layered management can be achieved through the pre-filling support, the infusion bottle, the pre-filling bag and the peristaltic pump are sequentially arranged from high to low in the pre-filling liquid flowing direction, and the flowing resistance of the pre-filling liquid and collision mixing between gas and liquid are reduced; meanwhile, the peristaltic pump has a good emptying effect, the ECMO pipeline can be gradually filled with the pre-filling liquid, and gas is prevented from entering the ECMO pipeline again.

The utility model discloses modified plastic particle conveying equipment, which relates to the technical field of plastic particle conveying, and is characterized by comprising a frame body, a material conveying pipe is obliquely arranged on the frame body, a rotating spiral feeding rod is arranged in the material conveying pipe, a discharge port is arranged at the top end of the material conveying pipe, and a feeding box is arranged at the bottom end of the material conveying pipe. A material injection hopper is arranged above the feeding box and provided with a material injection opening corresponding to the feeding box, and the material injection opening is movably connected with a plurality of baffles used for blocking the material injection opening. According to the utility model, the plurality of baffle plates for blocking the material filling port are movably arranged at the material filling port of the material filling hopper, so that the material conveying speed of the material filling port can be adjusted by adjusting the angle of the baffle plates, and the material filling speed can be adjusted by equipment while the material conveying pipe is maintained; plastic particles in the injection hopper are prevented from entering the conveying pipe again to affect maintenance operation, and the maintenance efficiency of the conveying pipe is improved.

The invention discloses an economic management voucher vacuum packaging machine, and relates to the field of economic management. The device body comprises a bearing assembly, a vacuum assembly connected with the device body, a heating assembly connected with the device body, a sensing assembly connected with the heating assembly and a placing assembly connected with the device body; and the heating assembly comprises a sliding groove, a lifting adjusting rod, a sliding block, a heating frame, an air heater, a heat sealing pipe, a heat sealing pump, an insertion pipe, an air outlet and a middle plate. The device has the advantages that the second controller is turned on, packaging parameters, the vacuum degree, the sealing temperature and the sealing time are set, the vacuum pump body is started to pump out air in a packaging bag, and after vacuum pumping is completed, the packaging bag is sealed through the insertion pipe; and through an ultrasonic sensor arranged at the sensing assembly, a hydraulic rod drives an abutting plate and a sensing block to further abut against and sense the packaging bag.

The present invention provides a dust removal main body device, including a box body, wherein more than two cloth bags are arranged at intervals in the box body, air inlet pipes and air outlet pipes respectively connected to the inside of the box body are arranged on opposite sides of the box body, a dust collecting hopper is arranged at the bottom of the box body, a dust discharge valve is arranged at the bottom of the ash collecting hopper, an air inlet guide and directional plate is arranged inside the box body, the opposite ends of the air inlet guide and directional plate are respectively connected to the air inlet pipe and the air outlet pipe, one end of the air inlet guide and directional plate is arranged above the air inlet pipe and the other end is arranged below the air outlet pipe, and arc-shaped protrusions are arranged on a downward side of the air inlet guide and directional plate in a matrix distribution; the present invention can reduce greater resistance losses, avoid consuming more kinetic energy, reduce maintenance costs, ensure the safe and normal operation of the dust removal system, and ensure continuous production operation.

The utility model relates to the technical field of cement loading and transporting, in particular to a dust removal device for cement loading and transporting. According to the technical scheme, the dust removal device for cement loading and transporting comprises a dust cover, a connector, a sleeve and a discharging pipe, the connector is arranged at the top end of the discharging pipe, the bottom end of the discharging pipe is inserted into the dust cover, the sleeve is arranged on the outer side of the discharging pipe, a cavity is formed between the discharging pipe and the sleeve, and the dust cover is arranged in the cavity. Guide plates are arranged in the cavity and located on the surfaces of the sleeve and the discharging pipe, a through hole is formed in the position, located in the sleeve, of the discharging pipe in a penetrating mode, and an air inlet pipe is arranged on one side of the sleeve. According to the utility model, the dust removal efficiency is improved, the energy consumption is reduced, the maintenance procedure is simplified, and the adaptability, the environmental protection property and the like are enhanced.

The utility model discloses a dust removal device for a furniture production workshop, which belongs to the field of dust removal devices and comprises a dust accumulation box and a threaded rod, a screening net is mounted on the inner wall of the dust accumulation box, an air collecting hopper is mounted on the side wall of the dust accumulation box, a mounting block is mounted on the side wall of the dust accumulation box, and an exhaust fan is mounted at the upper end of the mounting block. An air inlet of the exhaust fan is connected with an air collecting hopper, push handles distributed in an array mode are installed at the upper end of the dust accumulation box, a connecting pipe is installed at the upper end of the dust accumulation box, a supporting plate is installed on the side wall of the connecting pipe, a corrugated pipe is installed on the side wall of the connecting pipe, and an air collecting pipe is installed at the end, away from the connecting pipe, of the corrugated pipe. And wood chips are screened out through the powder screening net in a special shape, the wood chips are prevented from entering the air again, the air collecting pipe is conveniently fixed through the arc-shaped clamping blocks, and therefore the stability of the air collecting pipe is kept.