323results about How to "Improve vacuuming effect" patented technology

The utility model discloses a two-shaft mixing pump. The two-shaft mixing pump is characterized by comprising a pump body and two connecting shafts, a roots pump body cavity and a screw pump body cavity which are mutually independent are arranged in the pump body; the pump body is provided with an air inlet, an air outlet and a connecting channel, the roots pump body cavity is communicated with the outside atmosphere through the air inlet, the screw pump body cavity is communicated with the outside atmosphere through the air outlet, and the roots pump body cavity is communicated with the screw pump body cavity through the connecting channel. Two roots rotor parts which are meshed with each other are arranged in a cavity of the roots pump body, and the two roots rotor parts are respectively arranged on the two connecting shafts; and two screw rotor parts which are meshed with each other are arranged in a cavity of the screw pump body, and the two screw rotor parts are respectively mounted on the two connecting shafts. According to the utility model, the occupied space is reduced, the vacuum degree is improved, and the cost is reduced.

The utility model discloses an integrated vacuum system which is characterized in that the integrated vacuum system comprises a box body, a first vacuum pump and a second vacuum pump, the first vacuum pump and the second vacuum pump are arranged in the box body, the top of the second vacuum pump is connected with the bottom of the first vacuum pump through a mounting plate, and two sides of the box body are respectively provided with a cross beam. Two sides of the first vacuum pump are respectively connected with the cross beam through supporting legs; a connecting port is formed in the mounting plate, and an air inlet in the top of the second vacuum pump is communicated with an air outlet in the bottom of the first vacuum pump through the connecting port. According to the utility model, the convenience of installation and debugging is improved, and the vacuum effect is also improved.

The invention discloses vacuum die-casting equipment and a die-casting method for producing an engine front cover, and relates to the field of die-casting equipment. In the process that the injection assembly injects molten metal into the cavity, the injection assembly drives the ejection assembly to store force through the transmission assembly, when the cavity is about to be filled with the molten metal, the transmission assembly drives the locking assembly to release limiting of the ejection assembly, and at the moment, the ejection assembly drives the sealing plug to rapidly eject upwards; the sealing plug is arranged in the sealing groove, so that the sealing plug is quickly sealed and clamped in the sealing groove, the vacuumizing guide groove is closed and sealed, through quick closing and sealing of the vacuumizing guide groove, in the process that molten metal is injected into the cavity, the vacuumizing guide groove is in an open state, and the cavity is vacuumized continuously, so that the vacuumizing effect on the cavity is improved, and the production efficiency is improved. And meanwhile, through quick sealing of the vacuumizing guide groove, molten metal can be prevented from entering the vacuumizing guide groove and subsequent vacuumizing equipment.

The invention relates to the technical field of crusher protection, in particular to a mechanical safety protection device for engineering equipment, and effectively solves the problems of poor dust removal effect, feeding blockage and discharging accumulation of an existing crusher. Comprising a base, a protective shell is fixed to the upper end of the base, a support is fixed in the protective shell, a movable shell is slidably connected to the upper end of the support, two crushing rollers are arranged in the movable shell, and a collection hopper is fixedly connected to the upper side of the protective shell; by arranging the feeding assembly, the purpose of auxiliary discharging can be achieved, the problems that materials are accumulated to block a feeding port and a blocking plate cannot be normally closed, and consequently the materials are splashed out of an instrument are solved, and the blocking plate can seal the feeding port in time to prevent the problem that when crushed materials are splashed to the outer side from the inside, workers are hurt; and by arranging the screening hopper and the screen, the materials can be screened, meanwhile, the crushed materials are prevented from being accumulated through vibration, the crushed materials are discharged from the interior in time, and the situation that cleaning needs to be conducted in the later period is avoided.

The invention discloses an anti-dislocation and anti-deviation yarn winding roller for a yarn textile machine, and belongs to the technical field of yarn textile machines, the anti-dislocation and anti-deviation yarn winding roller comprises a supporting plate, a vertical plate is fixedly connected to the side face of the supporting plate, a connecting shaft is rotatably connected to the interior of the supporting plate, and a motor is connected to the surface of the supporting plate on the front side through a bolt; the output end of the motor is fixedly connected with the connecting shaft on the front side, the surface of the connecting shaft is in bolted connection with a partition plate, and the surface of the partition plate is fixedly connected with a roller body. When the anti-dislocation and anti-deviation yarn winding roller for the yarn textile machine works, a yarn penetrates through a yarn guide hole and a guide block and is wound on a connecting shaft, when a motor works, the motor drives the connecting shaft to rotate, at the moment, a rotating shaft rotates under the action of a belt pulley, and then the guide block does reciprocating rectilinear motion in the horizontal direction under the action of a long pin; therefore, the yarn is wound uniformly, yarn accumulation is avoided, yarn deviation is avoided, and stability is guaranteed.

The invention provides a vacuum devolatilization device which comprises a vertical container, the container is provided with an extraction opening and a material inlet, the upper part of the container is provided with a melt pressure chamber, and the melt pressure chamber is communicated with the material inlet; the devolatilization device is provided with at least one falling film pipe, the inner wall surface of the falling film pipe is a material falling film flowing contact surface, a vacuum chamber is arranged above the melt pressure chamber in the container, and the extraction opening is formed in the vacuum chamber; and a gas phase channel pipe is arranged at the upper end of the falling film pipe, penetrates through the melt pressure chamber and is communicated with the vacuum chamber. The vacuum-pumping effect can be improved, interference of volatile component gas on material falling film flowing is reduced, and meanwhile the inner component is compact in structure and easy to industrially amplify.

The invention discloses a prestressed pipeline cleaning method and device.The method comprises the steps that S100, the device is placed into a to-be-cleaned pipeline, and a base is adjusted to stretch automatically till supporting wheels and driving wheels are attached to the inner wall of the pipeline; s200, the telescopic rod extends till the cleaning brush is attached to the pipeline; s300, a telescopic rod is driven to rotate, and a dust collection unit is started to provide negative pressure for a dust collection bin; s400, the adjusting base is rotated, so that an angle is formed between the supporting wheel and the driving wheel and the advancing direction of the device, and the driving unit drives the driving wheel to rotate to drive the rotating wheel to advance; s500, the telescopic rod continuously rotates, so that the cleaning brush continuously rubs with the inner wall of the pipeline, sundries on the cleaning brush are swept, and the swept sundries are sucked into a dust collection bin by a dust collection head; and S600, when all impurities in the pipeline are cleaned, or the electric quantity of the device is about to be exhausted, the telescopic rod is shrunk, the dust collection unit is closed, and the driving wheel rotates reversely to exit from the pipeline. The cleaning efficiency is improved, the adaptability to different pipe diameters is guaranteed, and the cleaning effect is optimized.

The invention relates to the technical field of air purification, in particular to an air purification device convenient to clean and a method thereof.The air purification device comprises an air purification mechanism, the air purification mechanism comprises a moving part, the moving part comprises a moving base, a shell, a cavity, a partition plate and two discharging holes, and the bottom of the shell is fixedly connected with the top of the moving base; the cavity is formed in the shell, dust enters the shell through the dust suction component in the operation process of the air draft component, so that dust in air is sucked and air is purified by the filtering ventilation component, the sweeping component is driven to rotate through the rotating component, and therefore the sweeping component sweeps the two dust removal nets; and under the vibration effect of the rotating component and sweeping of the sweeping component, the service life of the two dust removal nets is prolonged, so that the dust removal nets do not need to be repeatedly disassembled for cleaning, falling dust can be absorbed by the collecting component, and floating and diffusion of the dust are avoided.

The invention discloses a dust removal device for fireproof thermal insulation building material production, and belongs to the technical field of building material production, the dust removal device comprises a fixed seat with an inner cavity, a filter plate is mounted at the top end of the fixed seat, a fixed plate is connected to the upper end of the fixed seat, and a dust collection box is mounted on the side wall of one side of the fixed plate; a plurality of through holes are evenly formed in the bottom end of the dust collection box at equal intervals, a dust discharging pipe is installed at the top end of the dust collection box, a motor is installed in the dust collection box and located at the dust discharging pipe, the output end of the motor is connected with a rotating shaft through a coupler, and the other end of the rotating shaft is connected with fan blades. The defects in the prior art are overcome, external dust can be automatically absorbed and treated through mutual cooperation of the fixing base, the filter plate, the fixing plate, the dust collection box, the motor, the rotating shaft, the fan blades, the blades, the cleaning rod and other structures, meanwhile, the through holes can be cleaned, the dust is prevented from blocking the through holes, and the dust collection effect is prevented from being affected, and therefore the dust collection effect is improved. And the applicability of the device is improved.

The utility model belongs to the field of dust removal devices, and discloses a filter plate dust remover, which comprises a bottom plate, an exhaust fan and a collecting box connected to the bottom plate, a box door connected to the collecting box, a mounting frame connected to the collecting box, an air inlet pipe connected to the exhaust fan, a collecting frame connected to the collecting box in a sliding manner, and a filter plate connected to the collecting box, the two sides of the collecting frame abut against the side wall of the collecting box and the mounting frame correspondingly, the mounting frame is slidably connected with a filter screen, the collecting box is connected with an air suction pipe and rotationally connected with a reciprocating lead screw, the reciprocating lead screw is movably connected with a scraper, the collecting box is connected with a servo motor and an auxiliary sliding rod, and an output shaft of the servo motor is connected with the reciprocating lead screw. The scraping plate is in sliding connection with the auxiliary sliding rod; according to the technical scheme, the scraping plate can be driven to reciprocate to scrape dust on the filter screen, the dust is prevented from blocking the filter screen, the situation that a large amount of dust is accumulated above the filter screen to affect airflow flowing and reduce the adsorption effect is avoided, the practicability of the device is improved, the filter screen does not need to be replaced frequently, and use is convenient.

The utility model relates to the technical field of concrete prefabricated part production equipment, and discloses a mold table cleaning machine and a concrete prefabricated part production line, the mold table cleaning machine comprises a rack and a cleaning mechanism which is arranged on the rack in a liftable mode, and the cleaning mechanism comprises a scraper knife and a first air blowing device. Specifically, the first air blowing device is provided with an air jet hole, the first air blowing device is suitable for blowing the mold table through the air jet hole, and the blowing range of the air jet hole covers the width direction of the mold table. And in the flowing direction of the mold table, the air jet hole is positioned at the downstream of the scraper knife. According to the mold table cleaning machine and the precast concrete component production line, the side mold position of the mold table can be cleaned, and the cleaning quality is improved.

The invention relates to the field of material guide grooves, and discloses an air kinetic energy dust suppression material guide groove which comprises a material guide groove body, a coal falling pipe, a loss reducing assembly, a dust discharging assembly and a driving assembly. The bottom end of the coal falling pipe is fixedly connected with the guide chute body, a slope bin is arranged on the coal falling pipe, the loss reducing assembly is detachably installed on the slope bin, and the dust discharging assembly is installed at the bottom end of the coal falling pipe. The device has the following advantages and effects that the coal falling pipe and the material guide groove are matched to convey materials, impact force is reduced through a buffering structure of the coal falling pipe during discharging so as to reduce the blocking condition caused by material viscosity, meanwhile, the damage reducing assembly makes contact with the materials, the damage reducing assembly can be rapidly replaced and taken out during abrasion and cleaning, use convenience is improved, and the service life of the device is prolonged; materials are buffered through cooperation of the air bags during transportation, the air bags are easy to inflate and deflate, when adhesion occurs, the internal material adhesion phenomenon is reduced, meanwhile, the cleaning time is shortened, the shutdown time is short, and the working efficiency is guaranteed.

The invention provides a steam-gas mixed medium high-vacuum low-energy-consumption intelligent control system and a control method. Comprising a vapor phase precondenser, a vapor phase precondenser steam extraction opening pressure sensor, a vapor phase precondenser cooling water inlet control valve, a vapor phase precondenser cooling water inlet pressure sensor, a multi-channel efficient steam jet vacuum pump, a multi-channel efficient steam jet vacuum pump steam extraction opening pressure sensor and a multi-channel efficient steam jet vacuum pump injection steam inlet control valve. The system comprises a multi-channel efficient steam jet vacuum pump, a steam jet pressure sensor, a steam phase final cooler, a steam phase final cooler pressure sensor, a steam phase final cooler cooling water inlet control valve, a steam phase final cooler water inlet pressure sensor, a low-power-consumption auxiliary pump, a low-power-consumption auxiliary pump extraction opening control valve and a system controller. The system is designed according to the vacuum suction characteristic of a steam-gas mixed medium, the vacuum degree of the system can be remarkably improved, the energy consumption can be remarkably reduced, and therefore the heat energy utilization efficiency and the self-control capacity of a front-end system can be remarkably improved, the production efficiency is improved, the yield is increased, the efficiency is improved, and remarkable economic benefits are created.

The utility model relates to the technical field of aluminum foil slitting equipment, in particular to a dust collection device for aluminum foil slitting. According to the aluminum foil dust collection device, scraps generated on the two sides of the splitting machine can be cleaned during splitting, the two dust collection plates can collect dust while swinging, dust on aluminum foil paper can be brushed away before splitting, and the dust collection efficiency of aluminum foil is improved. The device comprises a bottom frame, a splitting machine, a hollow plate and the like, a splitting machine is arranged on one side of the upper portion of the underframe. A hollow plate is arranged on the upper portion of the splitting machine. Aluminum-foil paper is manually placed on the bottom frame, the dividing and cutting machine, the dust collector and the motor are started, the two dust collection plates can collect dust while swinging in a reciprocating mode, the brush plate can brush away dust, in this way, waste scraps generated on the two sides of the dividing and cutting machine can be cleaned during dividing and cutting, the two dust collection plates can collect dust while swinging, the dust collection range is larger, and the dividing and cutting efficiency is improved. And meanwhile, dust on the aluminum foil paper can be brushed away before slitting, so that the dust collection efficiency of the aluminum foil is higher.

The utility model discloses a dust treatment device for nonferrous metal alloy manufacturing, which comprises a dust removal box, a dust collection box and an atomization box, the inner end of the dust removal box is fixedly provided with a dust suction fan, the front end of the dust suction fan is fixedly provided with a corrugated telescopic pipe, the front end of the corrugated telescopic pipe is fixedly provided with a dust suction port, and the front end of the dust suction port is fixedly provided with a dust collection box. A mounting ring is fixedly mounted at the outer end of the corrugated telescopic pipe, a rack is fixedly mounted at the lower end of the mounting ring, the lower end of the rack is in meshed connection with a gear, the gear is rotatably mounted in the dust removal box, and a rotating handle is fixedly mounted at the left end of the gear; according to the dust treatment device for non-ferrous metal alloy manufacturing, the position of a dust suction opening can be conveniently adjusted according to the dust outlet position, dust removal is closer and more direct, the dust suction efficiency and effect are improved, dust is conveniently wrapped, settled and collected through water mist, dust raising is avoided, and the dust is conveniently taken out and cleaned in a concentrated mode.

The utility model relates to the technical field of cleaning equipment, in particular to a cleaning assembly and cleaning equipment, and the cleaning assembly comprises a shell, a movable shielding part and a blocking structure; the movable shielding piece is movably connected with the shell, the shell is provided with an opening part, and movable avoiding gaps are formed between the movable shielding piece and the two sides of the opening part; when the movable shielding piece is in a closed state, the blocking structure can shield at least part of the movable avoiding gap; according to the cleaning assembly, by arranging the blocking structure, when the movable shielding piece is in the closed state, the movable avoiding gaps formed between the movable shielding piece and the two sides of the opening part can be shielded, then the sealing performance of the dust collection cavity of the cleaning assembly is improved, and therefore the dust collection effect and the cleaning efficiency of the cleaning assembly are improved.

The utility model discloses a welding device with accurate positioning, relates to the technical field of welding devices, solves the problem that generated smoke is inconvenient to absorb in the welding process, and comprises a welding table, the top of the welding table is fixedly connected with a supporting frame, and the top of an inner cavity of the supporting frame is provided with a moving mechanism. By arranging the vertical plate and the positioning mechanism, a welding piece can be fixed and limited, by arranging the electric air cylinder, the transverse plate and the welding head, the workpiece can be welded, and by arranging the dust collection fan, the connecting pipe, the dust removal box, the dust collection pipe and the dust collection cover, the dust collection efficiency can be improved. According to the welding dust collection device, smoke generated during welding can be absorbed and then filtered through the filter screen, by arranging the exhaust pipe and the exhaust hood, filtered air can be exhausted, meanwhile, air can be blown to the top of a workpiece, the welding smoke can be blown to the dust collection hood, and the dust collection effect of the dust collection hood is improved.

The utility model relates to the technical field of graphite sawing machine equipment, and particularly discloses an efficient dust collection structure of a vertical graphite sawing machine, which is characterized in that an inner baffle, an outer baffle, a protective door and a base are arranged to form a funnel-shaped structure, so that centralized discharge of graphite powder is realized; a semicircular air duct is formed by the in-wheel air duct ring, the out-wheel air duct ring and the under-wheel air duct ring, so that the powder is discharged orderly; meanwhile, the dust blocking plate is arranged, powder is prevented from moving upwards along the saw belt, effective collection of the powder is achieved, and the powder is prevented from flying around.

The utility model discloses an aquatic product premix dust recovery device which comprises a device body, and a mixing box used for mixing aquatic product premix is fixedly installed on the device body. Racks are fixedly installed at the two ends of the top of the device body, a transverse frame is fixedly installed at the tops of the two racks, a dust suction hood is movably installed below the transverse frame, a dust collector is fixedly connected to the dust suction hood through a dust suction hose, and the dust collector is fixedly installed at the right end of the top of the transverse frame. The top of the dust suction hood is fixedly connected with a second movable block through two movable frames, and the second movable block is movably arranged at the bottom of the transverse frame. According to the dust collection device, dust generated in premix can be conveniently collected and recycled, the dust collection cover can be made to collect dust in the left-right moving process, the dust collection range can be expanded, it is ensured that dust generated in the aquatic product premix process is better collected, the overall dust collection effect is better, and the dust collection efficiency is improved. And the influence of dust on the human body and the environment is greatly reduced.

The invention relates to a dust collection mechanism and a dust collection device for a spindle head of a composite material machining center, and relates to the field of machine tool dust removal. The dust collection mechanism comprises a dust collection module, a U-shaped cover structure fixedly arranged on a Z-direction sliding table of a composite material machining machine tool, and a U-shaped box structure fixedly arranged on a C-axis moving arm of the composite material machining machine tool; the U-shaped cover structure is rotationally connected with the U-shaped box structure, a sealed transfer cavity is formed between the U-shaped cover structure and the U-shaped box structure, a vacuum generator connecting port is formed in the U-shaped cover structure and communicates with the sealed transfer cavity, the dust collection module is arranged on the spindle head, and the vacuum generator connecting port communicates with the vacuum generator connecting port. And the dust collection pipe is connected with the sealed transfer cavity through a dust collection hose. The spindle head has the sealing effect of sealing the transfer cavity, the dust adsorption effect of negative pressure in the sealed transfer cavity is enhanced, and the dust collection effect of the spindle head is improved.

The utility model discloses a blockboard numerical control machine tool for wooden clock production, which relates to the technical field of clock production and comprises a numerical control machine body and a bottom cabinet fixedly connected to the bottom of the numerical control machine body, a power unit is arranged in the numerical control machine body, and a drilling machine body is arranged on the power unit. The utility model effectively solves the problems that in the prior art, a dust hood is arranged on the side wall to extract dust during processing, and a U-shaped plate is arranged on the side wall to cooperatively block and prevent chippings from splashing, so that the production cost is high, and the dust collection effect is poor by arranging the dust hood on the side wall. The purposes that the area needing to be machined can be directly covered through the arranged protective dust collection unit in the using process, the problem that dust flies out of the machined area is avoided, other equipment does not need to be additionally arranged for assistance, the production cost is low, and meanwhile the dust collection effect is good due to the fact that the area needing to be machined is directly covered are achieved.

The utility model discloses an axial dust collection integrated motorized spindle which comprises a motorized spindle body, the motorized spindle body is provided with a dust collection structure, a fan structure and an automatic tool changing structure, the fan structure comprises a brushless motor and a centrifugal blade assembly, the brushless motor drives the centrifugal blade assembly to rotate to form airflow, and wood chips and dust are sucked and discharged from the dust collection structure; the automatic tool changing structure comprises a lifting air cylinder, the dust collection structure comprises a dust collection cover, and the lifting air cylinder drives the dust collection cover to move axially when the motorized spindle changes tools. The motorized spindle integrates dust collection, cooling and automatic tool changing functions, and the problems that in the prior art, the dust collection effect is poor, energy consumption is high, the occupied space is large, and cost is high are solved.

The utility model relates to the technical field of aluminum shell processing, in particular to a processing device of an aluminum shell for a new energy battery, which is characterized in that a feeding mechanism is arranged, a worker places the aluminum shell on the top of a box body, a screw rod rotates to drive a connecting rod to ascend, the box body drives the aluminum shell to ascend to a position between two clamping strips, and an electric push rod drives the clamping strips to extend out to clamp the aluminum shell; and the box body supports the aluminum shell at the bottom, the grinding roller descends to grind the aluminum shell, and compared with a comparison file, through supporting of the bottom of the aluminum shell, the aluminum shell is more stable during grinding. The polishing device comprises a base, a portal frame is installed on the top of the base, a moving mechanism is arranged on the portal frame, an electric cylinder is arranged on the moving mechanism, a polishing roller is arranged below the electric cylinder, the output end of the electric cylinder is connected with the polishing roller through a dust collection mechanism, and a clamping turnover mechanism is arranged on the side wall of the portal frame. And a feeding mechanism with dust collection and supporting functions is arranged below the clamping and overturning mechanism.

The present invention relates to the field of resource recycling and environmental protection production, and specifically to a dust removal device used in the process of recycling waste circuit boards, comprising an artificial processing frame, a dust collector is arranged on one side of the artificial processing frame, and a dust suction pipe is plugged and connected to the output end of the dust collector. The present invention can flexibly adjust the opening size of the dust cover according to waste circuit boards of different sizes by setting a first adjustment component, and can ensure that the dust cover can completely cover the surface of the waste circuit board as much as possible regardless of whether it is a larger or smaller size of the waste circuit board, thereby improving the adaptability of the dust removal device and meeting the dust removal requirements of circuit boards of various sizes in the process of recycling waste circuit boards. The present invention can realize the synchronous relative movement of two sliders by setting a driving component, and ensure that the expansion or contraction of the left and right sides of the dustproof elastic cloth is uniform, so that the opening size of the dust cover can be adjusted more accurately and quickly, thereby improving the convenience and efficiency of adjustment.

The invention discloses an environment-friendly skin-friendly rubber dining table mat processing device and processing method, and belongs to the technical field of rubber dining table mat processing, the environment-friendly skin-friendly rubber dining table mat processing device comprises a device body, and a placing net is arranged on the device body. According to the laser cutting device, the dust collection structure is arranged and used in cooperation with the dust collection box, the dust collection structure is installed on the laser cutting device in a sleeving mode, smoke generated by laser cutting can be completely sucked away, the dust collection effect is improved, the cleanliness of the laser cutting environment is guaranteed, and the dust collection structure is installed on the laser cutting device through the connecting assembly; the industrial computer mounting structure is convenient to mount and dismount, high in stability after mounting and high in use flexibility, the relative height can be adjusted, an industrial computer is mounted through the mounting structure, the position can be adjusted along the transverse rod when needed, and the angle direction of the industrial computer can be adjusted through the rotating assembly; the industrial computer has high flexibility and adaptability in use, and is simple in structure and convenient and fast to use.

The utility model belongs to the technical field of ultrasonic dust removal, and particularly relates to an ultrasonic dust removal device for electronic material production, which comprises a base, a box body mounted on the base, a plurality of groups of ultrasonic vibrators mounted on a mounting plate, an ultrasonic generator mounted on the mounting plate, a partition block mounted on a placing plate, and an ultrasonic generator mounted on the partition block. A hydraulic rod is installed at the bottom end of the hydraulic cylinder, a plurality of sets of connecting pipes are installed on the bottom side of the air plate, dust collection hoppers are fixedly installed on the bottom sides of the connecting pipes, and the dust collection hoppers are located over the blank spaces. The hydraulic rod pushes the dust collection hopper to vertically move downwards, so that the dust collection hopper is slightly higher than the partition block, the electronic material below the dust collection hopper is surrounded by the dust collection hopper, the electronic material is surrounded by the dust collection hopper, the dust collection effect is enhanced, dust is prevented from adhering to the electronic material, and the dust removal efficiency is improved.

The invention discloses a vacuum cleaner, the separation structure of the vacuum cleaner comprises a separation shell and a separation assembly arranged in the separation shell, the separation shell is provided with a fan shell, a fan is arranged in the fan shell, an air outlet for exhaust is arranged on the fan shell, a filter is arranged between the separation shell and the fan shell, the separation assembly comprises a separation cylinder arranged in the separation shell, a filter and a baffle for blocking separated dirt and leaving the dirt at the bottom of the separation shell; the separation cylinder is a hollow cylinder, the lower end of the separation cylinder corresponds to the bottom of the separation shell, and the upper end of the separation cylinder corresponds to the filter; the filter is an annular filter, and the filter is sleeved on the separation cylinder; a separation cavity is formed in the separation shell, the bottom of the cavity is used to store separated dirt, and the connection port on the separation shell and the other end of the conveying pipe corresponds to the filter; the baffle is located below the filter and is inclined toward the bottom surface of the separation shell. It has a simple structure and good dust collection effect.

The utility model discloses a variable-pitch screw vacuum pump which comprises a supporting frame, fixing feet, a driving box and a shell and further comprises a cold water tank arranged at the bottom end of the shell and an air inlet pipe connected to one end of the side face of the shell in an intercommunication mode, and an inner cavity of the driving box is detachably connected with a driving motor. The power output end of the driving motor is detachably connected with a first transmission rod, the first transmission rod penetrates through the driving box and extends into the shell, a variable-pitch screw is arranged in the shell, and one side of the variable-pitch screw is detachably connected with the power output end of the driving motor. By arranging the transmission structure, water in the cooling structure can be driven to flow when the pump body works, so that cooling water can be quickly cooled, the heat exchange effect of the pump body during cooling is ensured, the cooling effect of the pump body is effectively improved, and the service life of the pump body is prolonged.

The utility model relates to the technical field of refrigeration equipment pipeline pressure detection, and discloses a pressure detection tool. The pressure detection tool is used for testing the pressure of a refrigeration system pipeline of the refrigeration equipment, and comprises a first connecting pipe; the first end of the first connector is connected with the first end of the first connecting pipe, and the second end of the first connector is used for being detachably connected with a refrigerating system pipeline; the first end of the second connector is connected with the second end of the first communicating pipe, and the second end of the second connector is used for being detachably connected with a vacuumizing device; and the pressure detection device communicates with the first communicating pipe and is used for detecting the pressure in the first communicating pipe. According to the embodiment, the pressure in part of the refrigerating system pipeline connected with the vacuumizing device can be detected in real time, and the situation that the refrigerating system pipeline is excessively vacuumized is reduced.

The utility model provides a mobile dust collection device for sponge titanium reduction furnace, including the dust collection cover, flue gas pipeline, support frame and mobile dust collection subassembly, the dust collection cover passes through flue gas pipeline and mobile dust collection subassembly intercommunication, mobile dust collection subassembly bottom is connected with the guide rail in sliding mode, the guide rail is provided in the workshop, and the support frame is connected with the guide rail. The top of the movable dust collecting assembly is rotatably connected with one end of the supporting frame, the other end of the supporting frame is connected with the lifting hook, and the flue gas pipeline is connected with or separated from the lifting hook. According to the movable dust collecting device for the titanium sponge reduction furnace, the safety of treating redundant magnesium chloride melt in the reaction process can be improved, the magnesium chloride melt and a large amount of volatile gas in the magnesium chloride melt can be collected in time, overflow leakage of magnesium chloride is avoided, the environment, equipment and lines in a workshop are protected, and the service life of the furnace is prolonged. And the safety of operators in a workshop is effectively guaranteed.