35results about How to "Effective blow off" patented technology

A top heat field for preparing 6-inch and 8-inch heavyly doped monosilicon by straight pulling up is composed of an insulating cover consisting of the upper and lower hollow trancated cones, and an upper cover plate fixed to the top of said insulating cover and put on a supporting pipe. It can enhance the scavenge action of the airflow on the surface of molten body for removing the fine particles from the surface.

The invention relates to the field of plank painting processing equipment and discloses a processing device for a plank. The processing device for the plank comprises a conveying platform and an oil paint box. The oil paint box is connected with a main spray head and an auxiliary spray head. The main spray head is located in the auxiliary spray head, the width of the main spray head is smaller than that of the auxiliary spray head, and a blower is arranged above the conveying platform. The conveying platform is provided with a plurality of through holes, and the through holes are connected with an air bag. An air flow channel for air flow to pass through is arranged below the conveying platform, the bottom of the air flow channel is provided with a sliding groove, the air flow channel is internally provided with an arc-shaped elastic piece, and the two ends of the elastic piece are both connected into the sliding groove in a sliding manner. The two ends of the air flow channel are connected with an air inlet pipe and an air outlet pipe correspondingly. The air outlet pipe is internally provided with an upper air outlet pipe and a lower air outlet pipe, the upper air outlet pipe isinternally provided with a pressure valve, an air flow drive painting mechanism is connected between the lower air outlet pipe and the main spray head, and an air flow drive painting mechanism is connected between the upper air outlet pipe and the auxiliary spray head. By means of the processing device for the plank, the problem that the painting range of a painting head cannot be adjusted can besolved, painting processing for planks with different specific specifications is achieved, and the practical effect of the device is enhanced.

The invention discloses an improved cloth bag dust remover. The improved cloth bag dust remover comprises a casing as well as a gas inlet end and a gas outlet end which are connected with the casing;an ash bucket is arranged at the lower end of the casing; the internal part of the casing is fixedly connected with a partition plate which is arranged horizontally; the partition plate partitions theinternal part of the casing into a gas outlet chamber and a gas filtering chamber which are arranged up and down; the gas inlet end and the gas outlet end are communicated with the gas filtering chamber and the gas outlet chamber correspondingly; the upper end of the partition plate is fixedly connected with a pressure storage mechanism; a plurality of vent holes are formed in the upper end faceof the partition plate in the circumferential direction equidistantly in a run-through way; and the lower end face of the partition plate is fixedly connected with a plurality of fixed frames corresponding to the positions of the vent holes in the circumferential direction equidistantly. When much dust is accumulated on the surface of the filter bag, the gas filtering resistance is increased and the gas filtering efficiency is reduced, dust on the surface of a filter bag can be loosened and blown down through the pressure storage mechanism, a constant-pressure gas spraying mechanism and a toggling mechanism, so that self-cleaning operation on the dust accumulated on the surface of the filter bag is completed, and energy conservation and environmental friendliness are realized.

A top heat field used for preparing 8-inch heavyly doped monosilicon by straight pulling up is composed of a hollow conic insulating cover, internal air guiding barrel in said insulating cover, upper cover plate connected to top of said insulating cover. It can enhance the scavenge action of the airflow on the surface of molten body for removing the fine particles from the surface.

The invention relates to the technical field of purification equipment, in particular to a multifunctional air shower. The multifunctional air shower comprises a shell and an inner wall arranged in the shell. An air shower channel of a U-shaped structure is formed between the shell and the inner wall. A gas supply mechanism is arranged in the air shower channel and provided with filters, and gas is supplied to nozzles on the inner wall. Gas inlets of the gas supply mechanism communicate with the inner space of the shell to form a circulation system. The inner circulation filter system is formed in the air shower, and therefore dust on the human body or goods can be effectively blown down, and contamination to a dust-free room can be reduced.

The invention provides a floating type fishing device suitable for underwater long columnar objects, and belongs to the technical field of salvage operation. The device comprises a main body rack, a buoy, a plurality of annular fishing arms, a propeller assembly and a control system, wherein the buoy, the propeller assembly, the annular fishing arms and the control system are all installed on themain body rack, the control system controls actions of the buoy, the annular fishing arms and the propeller assembly, the fishing device can autonomously and stably adjust lifting of the equipment inwater through a buoyancy adjusting function of the buoy, and the fished equipment can be prevented from sliding out of the bearing range of an annular support during fishing operation lifting througha longitudinal blocking device; and a nozzle on the annular support is communicated with a high-lift water pump, so that the resistance of the annular support penetrating through the equipment to be fished is greatly reduced. The fishing device can adapt to various fishing environments, the fishing efficiency is high, the danger caused by manual work in the prior art is avoided, and the operationsafety is improved.

The invention provides a laser welding device. The laser welding device comprises a laser welding system and a gas protection system. The gas protection system comprises a adapter, a gas pipe, a gas source, a flexibly bent plastic pipe and a nozzle, wherein the adapter is connected to a welding head of the laser welding system; the adapter is connected with one end of the gas pipe; the gas sourceis connected with the other end of the gas pipe; one end of the flexibly bent plastic pipe communicates with one end of the gas pipe; the nozzle is arranged at the other end of the flexibly bent plastic pipe; and a adiabatic transition tube is arranged at the other end of the flexibly bent plastic pipe, and the nozzle is arranged at the other end of the flexibly bent plastic pipe through the adiabatic transition tube. Compared with the prior art, the laser welding device has the beneficial effects that inert gas space is formed nearby a laser action region, protection of follow-up gas of a complex path is realized, plasma cloud above a welding region is effectively blown down, the coupling effect of a laser beam and a metallic work is improved, and a weld joint still in a high temperaturestate is effectively protected.

The invention discloses a boiler induced-draft fan soot blower which is composed of an air inlet (1), air distribution pipes (2), an air outlet pipe (3), a nozzle pipe (4), a nozzle (5) and a supporting frame (6). The air distribution pipes (2) are ring-shaped and are arranged on a round contracted port of a current collector (8), the air nozzle pipes (4) are arranged symmetrically, the nozzle (5) is a gradually-contracted nozzle and is installed with an outlet (41) through threads in a matched mode, and the supporting frame (6) is fixedly connected with the nozzle pipe (4) through bolts (42) to play the role in fixing the nozzle pipe (4). The boiler induced-draft fan soot blower blows air to remove dust in the radial direction from the center of the impeller of the induced draft fan, counter-acting force of air flow inside the nozzle are mutually cancelled, and under the fixing function of the supporting frame, stability and effectiveness of working of the soot blower are ensured. The boiler induced-draft fan soot blower can use air or steam to carry out dust blowing, is simple in part structure, and convenient to process and produce and assemble in batch.

The invention provides underwater grabbing type salvaging equipment suitable for long columnar equipment and an underwater grabbing type salvaging method suitable for the long columnar equipment. Theunderwater grabbing type salvaging equipment comprises a main structure (1), a lifting point (2), a skid (3), a grabbing lifting device (4), an underwater control system (5), a first water pump (6), afirst jetting pipe system (7), a nozzle (8), a second water pump (9), a second jetting pipe system (10), a propeller (11) and a target detection sensor (12). The left clamping jaw (407) and the rightclamping jaw (408) can be efficiently grabbed into hard sludge, and the grabbing success probability is increased; the deflection adaptation problem that a fished object is not located under the clamping jaw is solved; the problem that a salvaged object is buried under soil and cannot be lifted is solved; the problem that the clamping jaws cannot grab soil is solved; and the problem of underwaterpositioning and head positioning of salvaging equipment is solved.

The invention relates to the field of machine tool auxiliary devices, in particular to an oil and gas pipeline automatic connecting device for a machine tool automatic clamp. An internal quick plug assembly comprises an oil pressure quick plug and an internal gas circuit automatic connector, the internal gas circuit automatic connector is arranged on an internal gas distributing block, an externalquick plug assembly comprises an external gas circuit automatic connector and an oil pressure quick socket, the external gas circuit automatic connector is arranged on an external gas distributing block, the oil pressure quick socket and the external gas distributing block are arranged on a movable adapter plate, the oil pressure quick socket is in butt joint with the oil pressure quick plug, theexternal gas circuit automatic connector is in butt joint with the internal gas circuit automatic connector, the oil pressure quick socket is provided with an external oil circuit joint, the externalgas distributing block is provided with an external gas source joint, and the oil pressure quick plug and the internal gas distributing block are provided with internal joints for being connected with a machine tool automatic clamp. According to the device, automatic oil and gas supply of the machine tool automatic clamp is realized, arrangement of a moving pipeline is reduced, and operation intervention of an original system of the machine tool by automatic modification and integration is reduced.

The invention relates to an integral type stopper capable of controlling inflow gas, comprising a stopper body, an inner cavity and a gas exhaust port, wherein the inner cavity is positioned in the stopper body, the gas exhaust port is positioned on the tail end of the stopper body, and the inner cavity and the gas exhaust port are communicated and connected by a gas passage. The integral type stopper is characterized in that one end in the inner cavity positioned on the gas passage is provided with a gas inlet column which upwards extends and is over the bottom end of the inner cavity, and the gas passage upwards extends to an opening on the top end of the gas inlet column and is communicated with the inner cavity; an annular hollow cavity is formed between the outer wall of the gas inlet column and the inner wall of the inner cavity; and the gas inlet column and the stopper body form a whole body. In the invention, the gas inlet column fully protrudes above the bottom end of the inner cavity at an inlet of the passage so as to prevent particles and dust from entering the inlet of the passage, is formed by integral pressing in a mould when the stopper is formed, and has good integrity, abrasion resistance of materials, low air permeability and good hot vibration property.

The invention discloses a discharging device for a silicon rod in a reduction furnace, and relates to the field of polycrystalline silicon production. The discharging device comprises a box body witha switch door; a storing mechanism used for placement of the silicon rod and a purging device used for purging the silicon rod are mounted in the box body; and a dust collection device is further mounted in the box body. The silicon rod can be directly placed on the storing mechanism, amorphous silicon, silica fume and other impurities on the surface of the silicon rod can be effectively blown away through a purging head, and thus influences of the amorphous silicon, the silica fume and other impurities on the quality of a silicon material are avoided.

The invention belongs to the technical field of aquatic product storage and transportation devices, and particularly relates to a seafood transportation box which comprises a box body and a box cover. The box cover is rotatably hinged to the upper surface of the box body, and a storage mechanism is arranged in the box body; the storage mechanism comprises extrusion air bags, a storage box, a supporting frame, a pushing frame, an air groove, an inserting groove and a rubber strip; and the storage box is arranged in the box body, the extrusion air bags are fixedly connected to the outer surfaces of the left and right sides of the storage box, the upper end surface of the storage box is attached to the lower surface of the box cover, and the left and right outer surfaces of the upper end of the storage box make elastic contact with the inner surface of the lower end of the box cover through springs. The seafood transportation box is mainly designed to be used for preventing water in the transportation box from spilling out in the seafood transportation process, meanwhile, sufficient air can be provided for seafood, it is guaranteed that the seafood can reach a transportation point in an alive state, the air in the transportation box can be automatically cleaned, and bacteria breeding due to unpleasant smells in the transportation box due to long-time transportation is avoided.

The invention discloses an automatic edge cutting device for advanced engine production. The automatic edge cutting device comprises a cutter and a driving motor for driving the cutter to rotate, wherein a connecting plate is fixed to the top end of the driving motor; a groove allowing the top end of the cutter to be embedded is concavely formed in the bottom of the connecting plate; a plurality of air holes facing the end face of the cutter are concavely formed in the inner wall of the groove; a flow channel is formed in the connecting plate; one end of the flow channel is communicated with the air holes; a fan is fixed to the top of the connecting plate; an air outlet of the fan is communicated with the end, not communicated with the air holes, of the flow channel through a pipeline; a connecting seat is fixed to the connecting plate; and a movable sleeve is fixed to the connecting base. According to the edge cutting device, through cooperation of the flow channel and the air holes in the connecting plate, the end face of the cutter is blown in the rotating process of the cutter, chippings attached to the edge cutter in the edge cutting process are effectively blown away, cooling is conducted in time, the edge cutter is prevented from being damaged, continuous work can be achieved, efficiency is improved, and cost is saved.

The invention discloses waste lithium ion battery cover plate recycling equipment which comprises a recycling platform, the recycling platform comprises a conveying device, a front platform body and a rear platform body, the front platform body and the rear platform body are connected through the conveying device, and supporting legs are installed at the bottoms of the front platform body and the rear platform body. The conveying device comprises a first conveying belt and a second conveying belt, the first conveying belt and the second conveying belt are installed between the front platform and the rear platform through supporting shafts installed on the supporting legs, and L-shaped clamping plates are installed on the surfaces of the front platform and the rear platform between the middle of the second conveying belt and the left end of the recycling platform. Grinding devices are installed on the front platform and the rear platform between the first conveying belt and the second conveying belt, and the upper surfaces of the grinding devices and the upper surface of the supporting part are coplanar. The waste lithium ion battery cover plate processing equipment overcomes the defects in the prior art, is convenient to use, can automatically process waste lithium ion battery cover plates, and improves the working efficiency.

The invention provides a pulsed detonation engine pressure back-propagation suppression structure comprising a loop sleeve and a multi-stage pressure attenuation device; the multi-stage pressure attenuation device comprises a front end attenuator and a back end attenuator, and the middle stage number is adjustable to form a multi-stage adjustable structure; an attenuator reduces back-propagation pressure by expanding a channel; the loop sleeve is used to connect and fix the attenuator; the loop sleeve also forms a resonant cavity and an external flow channel with the attenuator; and incoming flow is divided into the inner and the outer parts through an air-dividing cap, and the resonant cavity communicates with outer air flow through an air inlet groove and communicates with an inner flowchannel of the attenuator through dilute wave holes. According to the pulsed detonation engine pressure back-propagation suppression structure, a plurality of back-propagation pressure decay methods are formed by the ingenious combination of structures; the current back-propagation suppression theory is comprehensively operated, such as bluff body reflection, expansion channel decompression, resonant cavity dissipation, and the like; and the attenuation distance of the back-propagation pressure is short, the attenuation effect of the back-propagation pressure is good, the back-propagation pressure and back-flow gas of a detonation tube can be reliably suppressed, and the good application effect based on a certain incoming flow pressure head is possessed.

The invention relates to spraying equipment with a cleaning function. The spraying equipment comprises a bottom plate, a workbench, a connecting pipe, a spraying device, a paint box, two fixing rods, a cleaning mechanism and two anti-caking mechanisms, wherein the cleaning mechanism comprises a protective cover, two air cylinders and two cleaning assemblies; and the anti-blocking mechanism comprises an air barrel, a piston, a connecting rod, a feeding pipe, a discharging pipe and a grinding assembly. The spraying equipment with the cleaning function achieves the functions of cleaning and dust removal through the cleaning mechanism, the cleanliness of workpieces is guaranteed, and the spraying quality is prevented from being affected, so that the reliability of the equipment is improved; through the anti-caking mechanisms, the function of circulating flow of paint in the paint box is achieved, and the paint in the paint box is in a flowing state, so that the probability of the caking phenomenon in the paint can be reduced, the situation that the spraying work is affected when the spraying device is blocked by the caked paint is prevented, and the reliability of the equipment is improved.

The invention belongs to the technical field of lawn lamps, and particularly relates to an anti-shielding type solar LED lawn lamp which comprises a lamp pole. A containing cavity is formed in the lamp pole, a storage battery pack is fixedly connected to the inner bottom wall of the containing cavity, and a timing sensor is fixedly connected to the inner wall of the containing cavity. A supporting plate is fixedly connected to the inner wall of the containing cavity, and a single-chip microcomputer is fixedly connected to the bottom surface of the supporting plate. By arranging a timing sensor, a micro air pump, an electromagnetic air valve, a telescopic air pipe, a communicating air pipe and an air spraying head, the timing sensor can transmit signals to a single-chip microcomputer at regular time so that the single-chip microcomputer enables the micro air pump to work to generate high-pressure air and controls opening and closing of the electromagnetic air valve in time, and the high-pressure air passes through the telescopic air pipe and the communicating air pipe; and the air enters the air spraying head and is quickly sprayed out through the air spraying head, air is blown to the surface of the photovoltaic panel, leaves on the surface of the photovoltaic panel can be effectively blown away, and the photovoltaic panel can conveniently absorb light energy.

The invention discloses oblique blade grinding wheel type grinding machining equipment. The equipment comprises a main machine frame, a main wheel shaft arranged on the main machine frame, a main wheel body connected with the main wheel shaft coaxially, and a main motor used for driving the main wheel shaft to rotate. The main motor is fixed to the main machine frame. The main wheel shaft is rotationally connected with the main machine frame. A plurality of grinding blades are arranged on the main wheel body. The equipment further comprises a clamp used for clamping workpieces, and an impelling mechanism used for driving the clamp to move. The moving direction of the clamp is perpendicular to the axis of the main wheel body. The included angle between the grinding face and the blade mounting face is 45 degrees to 80 degrees. The equipment has the beneficial effects that the workpieces can be effectively ground, when one-time grinding of the workpieces is going to finish, remainders on edges can be prevented from being broken off directly, corners which do not need to be ground can be prevented from being torn off together, thus, the workpieces can be effectively protected, and the machining quality can be ensured.