598results about How to "Improve flushing effect" patented technology

The invention discloses a PCB (printed circuit board) spraying etching machine and a method thereof, belongs to the technical field of spraying etching machines, and provides the following scheme that the PCB spraying etching machine comprises a spraying etching mechanism, a cleaning mechanism is assembled in the spraying etching mechanism, and the spraying etching mechanism comprises etching equipment; the first motor drives the rotating shaft to rotate, the rotating shaft drives the worm and the worm gear to conduct transmission, the polygonal cylinder drives the conveying wheel to rotate, the conveying wheel can achieve the purpose of automatic material conveying, meanwhile, the conveying pump sprays etching liquid to a circuit board through the spraying heads, the angles of the spraying heads are different, and therefore spraying uniformity can be kept, and the spraying efficiency is improved. And the rotating shaft also drives the cam to rotate, so that the cam extrudes the pulley to move, and the cam can be matched with the first spring to realize the reciprocating translational motion of the polygonal cylinder, so that the conveying wheel drives the circuit board to do reciprocating motion, the circuit board can be uniformly etched, and the processing quality of the circuit board is improved.

The invention discloses an impeller assembly, a pre-filter applying the impeller assembly and a water consuming system, and relates to the technical field of pre-filters, the impeller assembly comprises an impeller body and a mounting seat, the impeller body is provided with a connecting part, and the connecting part is used for being in transmission connection with an outer framework of the pre-filter; the mounting seat is provided with an impeller cavity, the impeller body is rotatably mounted in the impeller cavity, and one axial side of the mounting seat is provided with a first water inlet communicated with the impeller cavity and the outside of the mounting seat; a second water inlet communicated with the impeller cavity and the outside of the mounting seat is formed in the peripheral side of the mounting seat; a water outlet communicated with the impeller cavity and the outside of the mounting seat is formed in the other axial side of the mounting seat; and the water outlet is used for being communicated with a drain outlet of the pre-filter. According to the technical scheme provided by the invention, the flushing efficiency and the drainage efficiency of the pre-filter can be improved; the water flow drives the outer framework to rotate, so that the self-cleaning capability and the filtering effect of the equipment are further improved.

The invention provides a pulse assembly, a suction valve, an endoscope and an implantation system, and relates to the field of medical instruments.The pulse assembly comprises a communication part provided with a channel, the channel is provided with an inlet and an outlet, and the inlet is used for being communicated with an instrument tube and / or a sheath tube; the shielding piece is arranged on the communicating part and located between the inlet and the outlet, and the shielding piece has a first state and a second state; the driving part is used for driving the shielding part to be switched between the first state and the second state; when the shielding piece is in the first state, the channel is completely opened; and when the shielding piece is in the second state, at least part of the channel is blocked. Compared with the prior art, the calculus flushing device has the advantages that the flowing speed of flushing fluid can be adjusted by intermittently changing the flowing area of the flushing fluid, and then the calculus flushing effect is effectively improved.

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

The invention relates to the field of coal gasification chilled water, in particular to a coal gasification chilled water filtering system which comprises at least two filter bodies connected into a coal gasification chilled water system and arranged in parallel, and each filter body comprises a shell, a V-shaped sieve plate, a sieve plate flushing assembly and a shell flushing assembly. According to the coal gasification chilled water filtering system, on-line automatic dual cleaning of the filter body can be achieved, under the condition that normal operation of the filtering system is not affected, high-pressure grey water of a coal gasification grey water system is used for cleaning the sieve plate from the upper portion through the top flushing spray head, the inner wall of the shell is flushed through the combination of the side flushing pipe, and the filtering effect is good. The flushing effect of the filter body is improved, the service life of the filter body is prolonged, recycling of the filter body is achieved, the problems that at present, ash blocks the filter, chilled water supply is insufficient, and a gasification furnace cannot operate for a long period are solved, the working intensity of workers is reduced, and the production investment cost is saved.

The invention discloses an automatic pure water ultrafiltration treatment device, and relates to the technical field of pure water graded filtering and cleaning, the automatic pure water ultrafiltration treatment device comprises a filtering bin, a pure water liquid injection device is mounted on one side of the upper surface of the filtering bin, and a cleaning liquid injection device is mounted on the other side of the upper surface of the filtering bin; compared with the prior art that pure water is pressurized to an ultrafiltration membrane in a fixed mode for ultrafiltration of the pure water, the rotation direction of the motor is automatically recognized and controlled through the sensor, so that the liquid spraying chamber can conduct ultrafiltration at different positions and heights of the ultrafiltration membrane cylinder, and excessive accumulation of the pure water on the surface of the membrane can be avoided; meanwhile, the membrane surface can be cleaned and maintained in time, the service life of the ultrafiltration membrane can be remarkably prolonged, and the replacement cost can be reduced. Compared with fixed pressurization, the automatic adjusting system can be flexibly adjusted according to different water quality, water quantity and treatment requirements. Due to the flexibility, the system can better adapt to various complex and changeable working environments, and the overall treatment effect is improved.

The invention provides a shield contaminated soil treatment device and a using method thereof, the shield contaminated soil treatment device comprises a stirring shell, a driving shaft and a grinding part arranged on the driving shaft in a linkage and sleeving mode, the grinding part divides the interior of the stirring shell into a grinding cavity and a stirring cavity which are distributed up and down, and a plurality of liquid pumping holes corresponding to the grinding cavity are formed in the side wall of the driving shaft in a penetrating mode; the stirring assembly is arranged in the stirring cavity, the stirring assembly comprises a stirring part which is in linkage with the driving shaft in a sleeving mode and a linkage assembly which is connected with the grinding part and the stirring part, the stirring part and the driving shaft are sequentially communicated to form a liquid pumping channel which is connected with the stirring cavity and the liquid pumping hole, and a first-stage one-way valve part is arranged in the stirring part in a spaced mode; a second-stage one-way valve located below the liquid pumping hole is arranged in the driving shaft in a spaced mode, and the first-stage one-way valve and the second-stage one-way valve divide the liquid pumping channel into a first liquid pumping area, a second liquid pumping area and a third liquid pumping area from bottom to top. The solid medicine dissolving sufficiency can be improved, and the medicine effect is prevented from being affected by wrong medicine proportioning.

The utility model discloses a sewage treatment agent mixing device for sewage treatment, which relates to the technical field of sewage treatment and comprises a mixing box body, a water supply mechanism is fixedly mounted on the left side of the upper surface of the mixing box body, and a feed hopper mechanism is fixedly mounted at the top of the right side of the outer wall of the mixing box body. A stirring and mixing mechanism is fixedly mounted at the top of the mixing box body. Under the action of the gear disc and the annular gear, the gear can conveniently rotate by taking the gear as an axis and simultaneously rotate by taking the driving motor as an axis, so that a solution in the inner cavity of the mixing box body can be better stirred; a solution in the bottom of the inner cavity of the mixing box body is upwards transmitted by taking the barrel body as the inner cavity, so that the solution is conveniently upwards turned, and part of the solution is discharged from the position of the hollow hole, so that the water and the medicament are better mixed, and the medicament mixing effect is improved.

The utility model relates to the technical field of flue gas purification, and provides a roasting furnace flue gas purification tower which comprises a support, a tower body is fixedly installed at the top of the support, and a filter screen is fixedly installed between the middles of the inner walls of the two sides of the tower body. The cleaning mechanism is arranged in the tower body; and the spraying mechanism is arranged in the tower body. According to the filter screen cleaning device, the brake motor, the cleaning brush, the square frame and the round block are arranged, the brake motor is started, the rotating shaft drives the swing rod and the round block to rotate, the inner wall of the square frame can be squeezed, and therefore the square frame can drive the cleaning brush to move leftwards or rightwards along the outer surface of the guide rod, and due to the movement of the cleaning brush, the filter screen can be cleaned; according to the technical scheme, impurities adhering to the bottom of the filter screen are swept and removed, finally, the effect of conveniently cleaning the filter screen is achieved, workers do not need to pause flue gas purification operation to take out the filter screen for cleaning, the working efficiency is improved, and the problem that in the prior art, the filter screen is inconvenient to clean is solved through the technical scheme.

The invention relates to the technical field of evaporators, and discloses a device and method for reducing the use amount of a cleaning solution for soaking a tube nest of an MVR evaporator, and the method comprises the following steps: step 1, discharging materials in the MVR evaporator; 2, opening an electromagnetic pulse valve, discharging steam in the gas-liquid separator into the tube nest through a flushing pipe, and flushing the medicine scale on the inner wall of the tube nest by the steam; and step 3, controlling the electromagnetic pulse valve to enable the steam pulse to wash the tube nest. The steam is used for preliminarily cleaning the medicine scale in the tube nest, so that the subsequent washing and cleaning time and the cleaning liquid consumption can be reduced, and the steam temperature is higher than the drinking water temperature; the steam is gas, so that pressure impact can be formed in the process of washing the tube nest; and a pulse mode is further adopted, so that the flushing effect is improved, and the energy consumption is reduced.

The invention relates to the technical field of high-pressure jet grouting pile forming, in particular to a high-pressure jet grouting pile forming method for water-rich pebble stratum.The method comprises the steps that firstly, a rotary drilling rig is used for guiding a hole, bentonite slurry is added from a hole gap to protect the wall while the rotary drilling rig is used for guiding the hole, and meanwhile part of the bentonite slurry can permeate into the stratum around the pile; after the hole is formed, the rotary drilling rig is moved away to leave a station, the hole is filled with replacement soil 2, and meanwhile slurry is recycled for reuse; drilling to a designed depth along the hole by adopting a jet grouting drilling machine; under the influence of a cavity formed after the drilling and spraying integrated head is lifted up, after pebbles on the hole wall collapse, cement paste diffusion of the degree is easy to achieve; soil body replacement is adopted to maintain the stability of the hole wall after rotary digging of the guide hole, and compared with a down-the-hole hammer guide hole, a temporary protection pipe does not need to be put down; the guide holes are protected by slurry, a part of bentonite slurry permeates into the pebble stratum, and after cement slurry sprayed in a follow-up rotary jet mode is mixed with the bentonite slurry, the groundwater scouring resistance of the bentonite slurry can be improved.

The utility model relates to the field of rolling devices, in particular to a metal plate rolling device which comprises a first bottom plate and a plate body. And a rolling assembly for rolling the plate body is arranged at the upper end of the first bottom plate. Rolling oil is injected into the oil storage box by starting the recycling assembly, the oil body falls down to the upper end of the plate body through the oil outlet groove to flush and lubricate the upper end of the plate body, then the rodless air cylinder is started to drive the sliding block to move in the left-right direction, the wiping block can push dust and impurities on the upper surface of the plate body, and therefore the plate body can be cleaned. In addition, an oil injection pipe and a recycling assembly can be connected through a hose, the oil body is injected into a wiping block through the oil injection pipe and then sprayed outwards through a first spray head, and flushing of the upper surface of the plate body can be improved.

The invention discloses a water gun for a water flushing device of an unmanned aerial vehicle, the water gun comprises a gun body module and a gun barrel, the gun body module sleeves the gun barrel, the gun body module comprises a front section direction control follow-up mechanism and a counter-acting force buffer follow-up mechanism, the front section direction control follow-up mechanism and the counter-acting force buffer follow-up mechanism are fixedly connected through a fixing assembly, and the front section direction control follow-up mechanism is connected with the counter-acting force buffer follow-up mechanism. The front section direction control follow-up mechanism and the counter-acting force buffering follow-up mechanism are arranged on the gun barrel in a sleeving mode, and the front section direction control follow-up mechanism is arranged in front of the counter-acting force buffering follow-up mechanism. The water gun for the water flushing device of the unmanned aerial vehicle has the advantages that recoil force instantly generated when the water gun sprays a water column is relieved through the counter-acting force buffering follow-up mechanism, meanwhile, the vertical angle of the water gun barrel is adjusted through the front section direction control follow-up mechanism, and therefore the flushing range is enlarged, and the water flushing operation efficiency is improved.

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

The utility model discloses a small-flow bubbler which comprises a main body piece, a bubbler body, a bubbler head and a bubbler head. The bubbling assembly is used for mixing air and water and forming micro-bubble water, the bubbling assembly is detachably installed on the main body piece, an air inlet cavity communicated with the external space is formed between the bubbling assembly and the main body piece, and a bubbling channel is formed in the bubbling assembly; wherein the liquid inlet channel and the bubbling channel are communicated, the central axes of the liquid inlet channel and the bubbling channel are located on the same straight line, and the air inlet cavity is communicated to the bubbling channel from the side face of the bubbling channel. According to the utility model, the washing effect is improved while the washing comfort of the discharged water is ensured, and the safety risk caused by the impact of the discharged water is reduced.

The utility model relates to the field of filter cleaning, in particular to a filter cleaning device for oral solid preparations. According to the filter cleaning device for the oral solid preparation, the filter is convenient to clean, the cleaning efficiency is improved, and the flushing effect is improved. A filter cleaning device for oral solid preparations comprises a support, a cleaning barrel, a filter, clamping blocks, a cleaning mechanism and a flushing mechanism, the cleaning barrel is connected to the upper portion of the support, the filter is detachably connected to the cleaning barrel, and the clamping blocks are slidably connected to the left side and the right side of the cleaning barrel. A cleaning mechanism used for cleaning dust on the filter is arranged on the support, and a washing mechanism used for cleaning the filter is arranged in the cleaning barrel. The motor drives the rotating frame to rotate so as to drive the sliding frame to rotate, and the bristles of the sliding frame clean dust on the filter, so that the filter is convenient to clean, the filter is prevented from being blocked, and the cleaning efficiency is improved.

The utility model relates to the technical field of medical instruments, in particular to an anti-backflow bladder irrigation device. The utility model provides an anti-backflow bladder irrigation device. The anti-backflow bladder irrigation device comprises an irrigation pipeline, two infusion tubes, a mixer and a flow speed adjusting piece. The mixer is in an hourglass shape and is provided with an upper hopper body and a lower hopper body which are communicated with each other, the same ends of the two infusion tubes are respectively communicated with the upper hopper body, the other ends of the two infusion tubes are respectively used for being connected with infusion bags, and the lower hopper body is communicated with one end of the flushing pipeline; a liquid flowing channel is formed in the connecting position of the upper hopper body and the lower hopper body, and the flow speed adjusting piece is installed in the middle of the mixer. According to the anti-backflow bladder irrigation device, normal saline and sodium bicarbonate can be input at the same time, two sets of infusion apparatuses are not needed, and cost is saved.

The utility model discloses a hydrocarbon cleaning machine convenient to move, and relates to the technical field of power amplifiers. The device comprises a device body, a reciprocating lead screw and a filter plate are arranged in the device body, a fixing piece is arranged on the inner wall of the device body, a sliding block is connected to the outer surface of the fixing piece in a sleeved mode, a cleaning tank is fixed to one side of the sliding block, and a spring is arranged at the bottom of the sliding block. The cam rotates to continuously knock the cleaning tank, under the action of the spring, the sliding block slides up and down on the outer surface of the fixing piece, then objects in the cleaning tank are vibrated, then the reciprocating lead screw rotates to enable the threaded block to drive the liquid spraying pipe and the stirring rake to move, the stirring rake can stir the objects, and therefore the objects can be cleaned. And under the cooperation of the shaking force and the stirring rake, the objects can be rubbed with each other, so that reactants on the surfaces of the objects can be rubbed and removed, and the cleaning efficiency is improved.

The utility model relates to a closed toilet bowl cleaning device, the toilet bowl comprises a toilet bowl and a urinal, the device comprises a cabinet body, a toilet bowl flushing pipeline and a urinal flushing pipeline are arranged in the cabinet body; a bedpan flushing nozzle is arranged at the tail end of the bedpan flushing pipeline, and a urinal flushing nozzle is arranged at the tail end of the urinal flushing pipeline; the downward turning cabinet door is rotationally connected with the cabinet body, a bedpan fixing part used for fixing a toilet stool and a urinal fixing part used for fixing a urinal are arranged on the inner side face of the downward turning cabinet door, and when the downward turning cabinet door and the cabinet body are closed, the bedpan flushing spray head stretches into the bedpan, and the urinal flushing spray head stretches into a urinal opening. Compared with the prior art, all-directional cleaning of human waste containers such as bedpans and urinal can be automatically completed, the labor intensity of medical staff and family members is reduced, and cross infection and infection are effectively avoided.

The present invention relates to a single crystal silicon wafer cleaning device and method, comprising a bearing support 1, a control support 2, a control support 1 and a bearing support 2; the bearing support 2 is hinged at a position directly above the bearing support 1, the control support 1 and the control support 2 are respectively located at two end points of the periphery of the bearing support 1, a bearing column is welded on the back of the bearing support 1, a bearing arm 3 is hinged directly above the control support 2, and a bearing arm 4 is docked at the upper side wall position of the bearing arm 3. The present invention enables the support seat to perform telescopic movement through the threaded transmission relationship between the threaded rod 2 and the internal threaded seat, and the linkage plate will be in staggered contact with the protrusions and grooves on the linkage frame, so that the linkage plate performs reciprocating telescopic movement, and under the action of the linkage rod, the transmission wheel rotates, and the transmission wheel is engaged with the transmission plate, and the nozzle can rotate at this time, and the single crystal silicon surface can be cleaned in two different forms of straight flushing and oblique flushing, thereby improving the cleaning effect of the single crystal silicon wafer.

The utility model discloses a circulating fluidized bed desulfurizing tower. The desulfurization tower at least comprises a desulfurization tower inlet section, a Venturi tube group, a divergent section, a straight tube section and an outlet section which are sequentially and continuously arranged from bottom to top, the desulfurizing tower inlet section comprises a square flue, a transition flue and a circular flue which are connected in sequence; the square flue comprises a 90-degree elbow, and a flue gas inlet is positioned on the horizontal square flue in front of the 90-degree elbow; the 90-degree elbow is internally provided with a flow guide device for preventing flue gas from generating bias flow after the flue gas passes through the elbow; and a rotational flow assembly is arranged at the divergent section of the desulfurizing tower. According to the utility model, when part of flue gas at the outlet of the Venturi tube enters the divergent section of the desulfurization tower, the flow direction is changed under the flow guide action of the blades to form rotational flow. Under the action of centrifugal force of rotational flow, more desulfurizing agents are thrown to the periphery of the desulfurizing tower and decelerated in the rising process, and then fall back to the divergent section, so that the proportion of the internal circulation desulfurizing agent is increased.

The invention discloses a sewage treatment device, and belongs to the technical field of sewage treatment, the sewage treatment device comprises a filtering tank and a filtering cylinder arranged in the filtering tank, one end of the filtering tank is provided with a sewage discharging cylinder, and a cleaning device is arranged between the filtering cylinder and the sewage discharging cylinder; and a knocking assembly synchronously acting with the cleaning device is arranged between the filter cylinder and the sewage discharge cylinder. According to the scheme, the cleaning device and the knocking assembly are arranged at the position, close to the pollution discharge cylinder, of the filter cylinder, impurities and dirt at the bottom of the filter cylinder can be cleaned, and the impurities are prevented from blocking the bottom of the filter cylinder and affecting the pollution discharge effect of the pollution discharge cylinder in the backwashing process; the cleaning device and the knocking assembly can act simultaneously, and while the cleaning device cleans the bottom of the filter cartridge, the knocking assembly knocks the structure at the bottom of the filter cartridge, so that impurities attached to the bottom of the filter cartridge are shaken off, the bottom of the filter cartridge is backwashed and dredged, and the backwash effect and the pollution discharge capacity of the sewage treatment device are improved.

The invention relates to the technical field of electric arc welding, and discloses an electric arc welding mechanism for producing a motorcycle frame and a machining method thereof.The electric arc welding mechanism comprises a bottom supporting seat, and the top of the bottom supporting seat is fixedly connected with a side fixing frame; a rotating stirring blade can stir acid pickling mixed liquid in the liquid mixing box, the liquidity and the solution uniformity of the acid pickling mixed liquid in the liquid mixing box are improved, filter screens are arranged on the inner sides of two transmission rings, impurity particles existing in the acid mixed liquid are reduced through filtering of the filter screens, and the flushing effect of the acid mixed liquid is improved; the rotating bottom fixing rod can drive the grinding wheel disc to rotate, at the moment, the welded motorcycle frame is placed on the surface of the top grinding disc, the welding seam of the motorcycle frame is ground and cleaned in cooperation with the rotating grinding wheel disc, and the workload of operators is reduced; and the continuously rotating transmission fan can reduce smoke dust generated in the polishing process, and the influence on the surrounding environment in the polishing process is improved.

The invention relates to the technical field of welding, and discloses a laser jacket heat exchange equipment intelligent welding machining device which comprises a welding base, a first moving assembly is arranged above the welding base, a supporting stand column is fixed to the moving end of the first moving assembly, and a second moving assembly is arranged at the upper end of the supporting stand column. An electric push rod is fixed to the moving end of the second moving assembly, a first servo motor is connected to the lower end of the electric push rod, a mounting base is fixed to a motor shaft of the first servo motor, a second servo motor is fixed to one side of the mounting base, and a laser welding gun is fixed to a motor shaft of the second servo motor. And when a third servo motor drives a hollow cleaning rod and a cleaning block to rotate, welding slag and an oxide layer generated in the welding process of the circular-truncated-cone-shaped pit can be conveniently cleaned, so that the welding quality of the jacket body, the attractiveness of the jacket body and the use performance of the jacket body are improved.

The invention discloses cleaning equipment for waste plastic recycling, and relates to the technical field of waste plastic cleaning, the cleaning equipment comprises a cleaning box, a feeding inclined guide plate and a discharging inclined guide plate, a filter screen plate is fixedly arranged in the cleaning box, and a belt type conveying assembly used for conveying plastic falling on the filter screen plate to the discharging inclined guide plate is arranged above the filter screen plate; the plastic washing device further comprises a plurality of elastic conveying nets, a lifting washing mechanism and a rotary washing nozzle, the elastic conveying nets are distributed on the belt type conveying assembly at equal intervals, and the elastic conveying nets are used for supporting plastic. According to the plastic cleaning device, broken plastic falling into the cleaning box is conveyed through the conveying belt, in the conveying process, a lifting supporting plate drives a curved-surface spray head to continuously ascend and descend to push an elastic conveying net on the conveying belt, so that the plastic on the elastic conveying net is conveniently turned over, and meanwhile, the curved-surface spray head extrudes the elastic conveying net in a close range; the turned plastic can be sufficiently flushed in a short distance, and the flushing effect is improved.

The invention discloses a multifunctional cleaning solution, which takes N-long-chain acyl amino acid and basic amino acid as main surfactants, can not contain a thickening agent, ethoxylate, fatty acid salt and a humectant, and has the properties of low irritation, selective cleaning, no stickiness, no dry and tight skin after washing and the like.

The utility model discloses a semi-dry method circulating fluidized bed desulfurizing tower. The desulfurization tower at least comprises a desulfurization tower inlet section, a Venturi tube group, a divergent section, a straight tube section and an outlet section which are sequentially and continuously arranged from bottom to top, a new desulfurizing agent feeding hole and / or a circulating ash feeding hole are / is formed in the downstream end of the inlet section of the desulfurizing tower; a rotational flow flue gas bypass pipe is arranged between the upstream end of the inlet section of the desulfurizing tower and the diverging section, and bypass flue gas horizontally enters the diverging section of the desulfurizing tower along the tangential direction from the flue gas bypass pipe. According to the utility model, the flue gas bypass pipe enters along the tangential direction to form a rotational flow effect, so that gas flow and a desulfurizing agent in the tower spirally rise, and the retention time is prolonged compared with pure straight flow. Meanwhile, under the action of centrifugal force of rotational flow, the desulfurizing agent is thrown to the periphery of the desulfurizing tower and decelerated in the rising process, and then falls back to the divergent section, so that the proportion of the internal circulation desulfurizing agent is increased.

The utility model provides a wound flushing device. The wound flushing device comprises a PU sponge block used for being attached to a wound, a flushing pipe and a suction pipe. A T-shaped clamping groove is formed in the upper portion of the PU sponge block, and one end of the flushing pipe is connected with the flusher. According to the wound surface flushing device, the cylindrical hollow flushing head is fixedly installed at one end of the flushing pipe in a communicated mode, the liquid outlet holes are evenly formed in the cylindrical hollow flushing head in the length direction of the cylindrical hollow flushing head, the whole flushing pipe is of a T-shaped structure, and the distribution area of the liquid outlet holes can cover the PU sponge block as much as possible; the flushing area can be enlarged, so that the flushing effect on the wound surface is effectively improved, meanwhile, the distance is formed between the liquid outlet holes and the suction head at one end of the suction tube, and the situation that part of flushing liquid just flushed in through the liquid outlet holes is sucked away by the suction head, and the flushing effect is affected can be avoided.

The present invention provides a tube electrode and an electrolytic milling method for electrolytic machining of deep narrow groove structures, belonging to the technical field of tube electrode electrolytic milling; comprising a tube electrode body, the tube electrode body is hollow inside, the upper end of the tube electrode body is a liquid inlet end, the lower end is a liquid outlet end, the lower side wall of the tube electrode body is provided with an insulating layer along the circumferential part, the liquid outlet end includes a horizontal end face and an inclined end face, the horizontal end face is a semicircular face, and the inclined end face is inclined from the end face of the semicircular face to the side wall of the tube electrode body. A pulsating electric field is formed by arranging the insulating layer, and a pulsating flow field is formed by setting the inclined end face. The pulsating flow field can enhance the flushing effect in the machining gap, and the pulsating electric field can discrete the material dissolution process and product distribution. The coupling of the two can greatly improve the discharge efficiency of the electrolytic products in the machining gap, reduce its influence on the machining process, and improve the machining quality.

The invention provides a full-automatic pole-changing dust remover of a shield tunneling machine, which comprises a dust removal box, an inlet, a discharge port, an absorption device, a discharge device, a vibration device, a sewage discharge channel, a direct-current high-voltage dust removal device and a filter device, and the inlet and the discharge port are formed in the two side surfaces of the dust removal box along the length direction; an absorption device is arranged in the inlet; a discharge device is arranged in the discharge port; vibration devices are arranged on the upper end surfaces of the dedusting boxes; a sewage discharge channel is formed in the bottom in the dust removal box; a direct-current high-voltage dust removal device is arranged in the dust removal box; a filtering device is arranged on one side of the dust removal box along the length; a reciprocating mechanism is arranged on one side face of the dust removal box in the length direction, through reciprocating rotation of a first nozzle and a second nozzle, the two sides of the dust removal plate can be completely flushed, the flushing effect is effectively improved, it is guaranteed that the dust removal plate normally adsorbs dust, the working efficiency is improved, and the working function is improved.