186results about How to "Solve cleanup" patented technology

The invention discloses a method of cleaning database history data and a system of the method of cleaning the database history data. The method of cleaning the database history data includes the following steps: obtaining a data cleaning task from a data cleaning task queue established by a sub-data base of the database, wherein the data cleaning task comprises history data index information needing cleaning, the data base is divided into more than two sub-data base, and each sub-data base of all the sub-data base corresponds to the data cleaning task queue established by each sub-data base; cleaning history data needing cleaning in the database according to the obtained history data index information of the data cleaning task. Due to the technical scheme, efficiency of cleaning the data is improved.

The invention provides a loach or finless eel slaughtering device, and belongs to the field of the aquatic product processing machinery. The loach or finless eel slaughtering device comprises a machine frame, and a slaughtering deboning unit and a driving unit which are installed on the machine frame. The slaughtering deboning unit comprises a main machine base and an upper cover passage limiting device. The main machine base is provided with a feeding port, a belly opening mechanism, a deboning viscera-removing mechanism and a discharging port. The belly opening mechanism comprises a clamping conveying structure and an annular belly opening blade. The deboning viscera-removing mechanism comprises an annular deboning viscera-removing blade, an annular bone-meat separating blade and an annular conveying needle plate. The loach or finless eel slaughtering device has the beneficial effect of solving the problems of the current loach or finless eel slaughtering device in the prior art that the bones cannot be removed, the viscera cannot be cleaned completely, the head cannot be separated, the loach or finless eel cannot be cut into slices, and the missing slaughtering exists.

The invention discloses a device and d method for cleaning pool bottom sludge. The device comprises a support device, a stirring device, a collecting device and a concentrating device, wherein the support device is moveable through the buoyancy support of water; the stirring device is supported by the support device and stirs and conveys sludge at the bottom of a pool to the collecting device; the collecting device conveys the collected sludge to the concentrating device; and the concentrating device dehydrates the conveyed sludge. Due to the adoption of the device and the method, the problems of difficult excavation, poor excavation effect and incomplete clean are completely solved and a riverbed is not damaged. The sludge is conveyed after concentrating so as to form high-concentration convey, reduce water convey and improve convey efficiency.

The invention belongs to the technical field of exhaust fans, and particularly relates to an exhaust fan. The exhaust fan comprises a machine shell, an electric cylinder, a motor, a fan blade, a connecting shaft, a dust removal device, an air inlet mesh cover, an air outlet mesh cover, a clutch device, a mounting plate and a drainage device; the air inlet mesh cover is fixedly connected to the inner wall of the left end of the machine shell, and the air outlet mesh cover is fixedly connected to the inner wall of the right end of the machine shell; a first opening is formed in the center of theair outlet mesh cover, and the electric cylinder is fixedly installed in the first opening through the mounting plate; and the non-output end of the motor is fixedly connected to the end part of thecylinder rod of the electric cylinder; the clutch device matched with the dust removal device is arranged at the end of the rotating shaft of the motor; the dust removal device is rotationally arranged at the center of the air inlet mesh cover through a connecting shaft; and a spraying pipe is arranged above the air inlet mesh cover, and the drainage device is arranged below the air inlet mesh cover. The exhaust fan is mainly used for cleaning the mesh cover of the exhaust fan, the mesh cover can be automatically cleaned, and the cleaning efficiency is improved.

The invention discloses a bench vice with a clamping opening replaced freely. The bench vice comprises a bench vice body (1), a lead screw (8), a movable vice opening (2), a fixed vice opening (3), a base (10) and a handle (9). A U-shaped groove is formed in the bench vice body (1). A stop block (5) is arranged in the U-shaped groove. A round hole is formed in one side of the bench vice body (1). One end of the lead screw (8) is connected with the handle (9), and the other end of the lead screw (8) penetrates into the U-shaped groove in the bench vice body (1). The lead screw (8) is connected with a lead screw nut (12) and slides horizontally in the axial direction in the U-shaped groove. The bench vice further comprises a magnetic seat (14), a magnetic switch (13) and the multifunctional clamping opening (4), and the multifunctional clamping opening (4) can be replaced. The vice openings are easy to open and close, operation is simple, use is convenient, and workpieces in different shapes can be clamped.

The invention discloses a block chain-based offline archiving system and a block chain-based offline archiving method, which specifically comprises an archiving node and a transaction node. The methodcomprises the steps of configuring the archiving node information by the transaction node according to archiving parameters; receiving an archiving request initiated by a blockchain user to completetransaction consensus, after the transaction consensus is completed, analyzing the archiving request to obtain an archiving parameter, calculating to obtain one or more online data blocks conforming to the archiving parameter, cleaning the online data blocks, and generating archived data blocks with the same structure; calculating and generating a historical data fingerprint through a hash algorithm according to the cleaned online data block; sending the historical data fingerprint and the archived data block to an archiving node corresponding to the archiving node information; deleting the stored data in the local temporary directory according to confirmation information fed back by the filing node to generate filing success information, and feeding back the filing success information tothe block chain user; and completing data archiving by the archiving node according to the historical data fingerprint and the archiving data block, and feeding back the confirmation information to the transaction node.

The invention relates to a core making method for a diphasic sand mould core hardened by CO2 gas, which is characterized in that a CO2 gas hardening water glass sand phase as a body in the core, and a CO2 gas hardening water soluble resin sand phase as the surface of the core are filled in a core box, wherein the thickness of the the CO2 resin sand phase on the surface of the sand mould core is 15-25mm; after the sand is filled completely, the CO2 gas is introduced into the core box, wherein the pressure of the CO2 gas is controlled to be 0.3-0.5MPa; and the water glass sand phase is completely hardened so as to integrally mould the core sand. The method in the invention has the advantages of not generating harmful gas in the process of core making and pouring and being convenient to use; and the fettling efficiency is high, the production cost is low, the labor intensity is lowered, and the production efficiency is improved.

The invention discloses a clearing device and method for a concrete conveying pump pipe of super high-rise building. The problems that concrete bonded to the inner wall of the concrete conveying pumppipe cannot be difficultly and thoroughly cleaned up through an existing water clearing mode, and the construction progress is influenced are solved. The device comprises a vertical vibration mechanism, a lateral supporting and positioning mechanism and a pump pipe dredging and clearing mechanism which are coaxially and sequentially connected, wherein a coarse grinding wheel support and a fine grinding wheel support of the pump pipe dredging and clearing mechanism are driven by a rotating motor to do circular motion along the inner wall of a pipeline, and the concrete on the inner wall of thepipeline is removed through rotating grinding of the coarse grinding wheel and vertical vibration impact of the fine grinding wheel; two installing bases of the vertical vibration mechanism are flexibly connected through a spring type connecting piece arranged between the two installing bases, and a vibration motor set drives the pump pipe dredging and clearing mechanism to vibrate back and forthalong the axis of the pipeline; and a plurality of support positioning springs and guide rolling wheels are uniformly distributed on a guiding rod of the lateral supporting and positioning mechanism in the radial direction, and the guide rolling wheels are driven to prop against the inner wall of the pipeline by reverse acting force generated by pressing the support positioning springs.

The invention relates to a slag water self-balancing heat exchange method of a water-cooled mechanical slag-removal system in a thermal power plant, and refers to the slag removals of fire coal powder boiler and the like, the hot slag and the heat transfer medium of the cooling water are adopted to satisfy effective pelletization and cooling to the hot slag in a water-cooled mechanical slag-removal system; a slag conveyor is in operation manners that the slag water cannot overflow and the water level is maintained, and external slag water processing systems are not used for cooling; the upper limit of the slag water temperature, which is regularly specified at 60, is maximally determined at 80 DEG C; the evaporation rate of the slag water is increased and the discharged heat is increased along the raise of the slag water temperature, and the hot slag is cooled to reach energy conservation; the mass balance of the slag water is realized through quantitative supplementing of water, the temperature of the slag water and the liquid level are controlled through an automatic monitoring control technique, the slag water cannot overflow, and the slag water is in a controllable self-balancing state; and the urgent water supplementing is carried out in an accident state that the temperature of the slag water exceeds 80 DEG C to quickly lower the temperature, the overflowed water is collected in an accident overflow pool, and can be recycled and used after the system is stable.

The invention relates to the technical field of ocean environment protection, in particular to a full-size water surface garbage cleaning float double-body ship for plastic particles. A double-body ship body is included. A garbage collecting cavity is formed between two floats of the double-body ship body and internally and sequentially provided with a net interception type large garbage collecting device, a barb crawler type middle-sized garbage collecting device and a plastic particle collecting device based on the medium filter technology at intervals. A water spraying propelling device isarranged at the tail of the double-body ship body. By adoption of the structure arrangement, the garbage collecting cavity is formed between the two floats of the double-body ship body and internallyand sequentially provided with the net interception type large garbage collecting device, the barb crawler type middle-sized garbage collecting device and the plastic particle collecting device basedon the medium filter technology at intervals, and after water flow is subjected to three-time filtration, the purified water with the extremely low plastic particle content and a good water surface isfinally obtained, and accordingly the functions of collecting water surface garbage and purifying water in the work area are achieved.

The invention discloses heat-preservation and energy-saving bricks made from Taihu silt. The bricks comprise the following raw materials in percentage by weight: 25 to 45 percent of Taihu silt, 1 to 20 percent of illite, 1 to 15 percent of kaolin, 10 to 20 percent of waste clinker, 1 to 10 percent of quartz, 5 to 20 percent of feldspar, 1 to 5 percent of a dry-blend and 3 to 8 percent of water. The preparation method for the heat-preservation and energy-saving bricks comprises the following steps of preparing the Taihu silt; weighing the raw materials in percentage by weight, and rolling and kneading the raw materials into uniform clay strips; performing vacuum extrusion forming to obtain wet blanks, wherein the forming pressure is 2.0 to 4.0MPa; drying the wet blanks for 2 to 4 hours at 100 to 200 DEG C to obtain dried blank bodies; firing the dried blank bodies for 3 to 20 hours at firing temperature of 1,000 to 1,200 DEG C to obtain heat-preservation and energy-saving brick finished products. According to the heat-preservation and energy-saving bricks, the Taihu silt is effectively cleaned and stacked, and the fired products have the characteristics of heat preservation, waterproofness, shock resistance, durability and the like.

The invention discloses a textile machine, and belongs to the technical field of textile equipment. The textile machine comprises a textile machine body, a dust collection box, a dust collection mechanism and a dust collection cover arranged above the textile machine body, wherein a dust inlet channel is formed between the dust collection box and the dust collection cover; four supporting legs arearranged between the dust collection cover and the textile machine body; a leakage-proof assembly is arranged on each side of the dust collection cover; the dust collection mechanism comprises a vibration assembly, an activated carbon filter screen and two connecting strips; and a dust inlet grid is arranged at the bottom of the dust collection cover. The textile machine has the advantages that by the dust collecting mechanism, atomization spraying operation on flock flying dust can be realized, meanwhile, by the vibration assembly, automatic vibration operation of the activated carbon filterscreen can be realized, impurities blocked in meshes of the activated carbon filter screen can shake down, and wetted flock and impurities can enter a collecting hopper under the action of the obliquely arranged activated carbon filter screen.

The invention belongs to the field of dedusting of electrolytic aluminum and particularly relates to a dust discharge device used for processing of electrolytic aluminum. For the existing problems that the dust collection effect is poor, and the dust cleaning is troublesome, the invention adopts the following scheme that the dust discharge device comprises a box body, wherein an air inlet pipe andan air discharge pipe are arranged on the box body; a telescopic pipe is connected with the air inlet pipe; a dust collection hood is connected with the telescopic pipe; a fixed column is arranged onone side of the box body; a chute is formed in the bottom of the fixed column; a screw rod and a movable block are arranged in the chute; a handle is welded at one end of the screw rod; a connectingrod is articulated between the movable block and the dust collection hood; a first partition plate, a second partition plate, a first filter plate, a second filter plate, a pump machine, an upper guide plate, a lower guide plate, a spray head and a draught fan are arranged in the box body; a bracket, an air cylinder and a connecting frame are arranged at the top of the box body; a scraping plate is fixed at the bottom end of the connecting frame. The dust discharge device has the advantages that the dust collection efficiency is effectively improved, the collected dust is cleaned conveniently,and the dedusting effect is improved.

The invention discloses water supply and storage pipeline automatic cleaning equipment for buildings. The water supply and storage pipeline automatic cleaning equipment comprises a baseboard, a work panel is fixedly connected to the upper side of the baseboard through supporting frames, a first transmission is fixedly installed at the upper portion of the right side of the work panel, a first motor is fixedly installed at the upper portion of the first transmission, a second transmission is fixedly installed at the bottom of the left end of the work panel, a second motor is fixedly installed at the left side of the second transmission, the output end of the second transmission is rotatably connected with a driving wheel through a drive device, driven wheels are arranged at the two sides ofthe lower portion of the driving wheel, a cleaning shaft is fixedly connected to the output end of the first transmission, and a cleaning device is fixedly connected to one end of the cleaning shaftthrough a tensioning device. The water supply and storage pipeline automatic cleaning equipment is simple in structure, the cleaning device can be automatically adjusted according to the diameter of awater supply and storage pipeline of the buildings, the pipeline cleaning effect is good, and the problems that existing manual cleaning is large in labor amount, low in efficiency, high in cost andthe like.

The invention relates to the field of LED lamp production equipment, in particular to a winding device used for flexible LED filament production. The winding device comprises a fixing frame, a windingroller and a winding motor; a supporting frame is arranged on the lower surface of the fixing frame, a driving shaft is arranged in the fixing frame, the winding roller is arranged in the middle of the driving shaft in a sleeve mode,and the winding motor is fixedly connected to the outer side wall of the fixing frame; and a screw rod is further installed inside the fixing frame, a transmission shaft is arranged on the outer side wall of the fixing frame, a sliding block is arranged in the middle of the screw rod in a sleeve mode, a guide ring is fixedly connected to the upper surface of the sliding block, the side wall of the sliding block is fixedly connected to a fixing plate, a cleaning device is arranged on the fixing plate, and a moving mechanism is arranged inside the supporting frame. When winding operation is carried out by the winding device, a filament is wound around the winding roller, and meanwhile, the sliding block is driven to move left and right, so that the filamentis uniformly wound around the winding roller; and dust on the surface of the flexible LED filament is cleaned by utilizing a driving cleaning roller and a driven cleaning roller.

The invention discloses a lightweight energy-saving brick and a preparation method thereof, and relates to the field of building materials. The lightweight energy-saving brick is characterized by comprising by weight: 20-35 parts of Tai lake sludge, 10-20 parts of city sludge, 1-5 parts of a dry-mixing agent, 10-15 parts of a lightweight filler, 5-10 parts of straw-coated particles, 5-10 parts of attapulgite clay, 8-15 parts of zeolite, 5-10 parts of fly ash, 3-5 parts of coconut shell charcoal, 3-5 parts of ceramsite, 3-5 parts of modified sepiolite, 1-2 parts of thickening powder, 5-10 parts of a cementing material, 0.1-0.3 part of a deodorizing aid, and 8-10 parts of water. According to the present invention, the produced lightweight energy-saving brick has advantages of light weight, thermal insulation, water resistance, shock resistance and durability while the production cost is low and the method is easy to popularize, and the preparation method has characteristics of city sludge discharge reduction, good social benefits, and good economic benefits.

The invention discloses a scale detecting method and a liquid heating device. The method is applied to the liquid heating device. The liquid heating device comprises an electric heating device. The method comprises: detecting the temperature of the electric heating device; determining the scaling situation of the electric heating device according to the temperature of the electric heating device;and according to the scaling situation of the electric heating device, executing a corresponding control strategy on the electric heating device. The method solves the problem caused by failure to timely deal with the scale of the liquid heating device in the prior art, and improves the reliability and the safety of the liquid heating device.

The invention provides a snow shoveling device for a pigsty roof, and belongs to the technical field of roof cleaning. The technical scheme is that the snow shoveling device comprises a rack, a driving mechanism arranged on the rack and a snow shoveling mechanism with an electric heating plate. The rack comprises two shell bodies, the two shell bodies are arranged on one end of the rack, and a fixing plate arranged at the other end of the rack, wherein the two shell bodies are opposite to the fixing plate; a fixing rod, and a fixing bracket arranged on the side wall of each shell body and theside wall of the fixing plate. The driving mechanism comprises a motor arranged in one of the shell body of the rack and a bevel gear combination and a gear combination which are driven by the motor and correspondingly positioned in the two shell bodies. The snow shoveling mechanism comprises a snow shovel whose running direction is parallel to a ridge, and screw rods with threads on the left andright sides of the snow shovel. The snow shoveling device for a pigsty roof has the beneficial effects that the snow shovel reciprocates on the roof to clean up the snow, and the heat generated by heating the electric heating plate melts the ice layer formed at the bottom of the snow layer, so that the snow cleaning is easier.

The invention discloses a water jet cleaning method for a large-diameter deep well, and belongs to the technical field of water jet cleaning application. The water jet cleaning method is characterized in that a cleaning manner is determined to be multi-spray-gun rotating water jet cleaning according to structural characteristics of the inner wall of the large-diameter deep well and the attributes of attachments on the well wall; multiple spray guns evenly distributed in the circumferential direction can rotate around the axis of the deep well under the drive of a rotating mechanism, and move in the axial direction of the deep well under the drive of a telescopic mechanism; the cleaning quality and the cleaning effect are observed through a video monitoring method; video monitoring cameras and a driving motor of the telescopic mechanism of a cleaning device are fixed on a worktable; the structural size of the worktable is designed according to the inner diameter of the deep well and a safety requirement; the structure of the worktable is designed according to a strength criterion; a high pressure water pipe in the well and a cable harness get in and out of the deep well via an extending and retracting mechanism; control buttons of the motor and the cameras are integrated in a portable control box; and a high pressure water pump and an electric hoist are independently controlled. The water jet cleaning method disclosed by the invention solves the problem that the large-diameter deep well cannot be automatically cleaned.

The invention relates to a full-automatic roadbed pavement ditch maintenance all-in-one machine. The all-in-one machine comprises a crawler walking device, four wheel type walking devices, an electric rotary table, a three-degree-of-freedom parallel mechanism and a cleaning device, and the wheel type walking devices are arranged on the left side and the right side of the crawler walking device symmetrically and correspondingly. The electric rotary table is located in the center of the upper end of the crawler walking device and fixedly connected with the crawler walking device. The three-degree-of-freedom parallel mechanism is located between the electric rotary table and the cleaning device, and the lower end of the three-degree-of-freedom parallel mechanism is connected with the electric rotary table. The upper end of the three-degree-of-freedom parallel mechanism is connected with the cleaning device. Through the all-in-one machine, a ditch of a pavement roadbed can be subjected to cleaning dredging maintenance operation, the adjustment of the degree of freedom is flexible, the intelligent degree is high, the cleaning dredging efficiency is high, and the problems of the large labor amount, low efficiency, high cost and the like of existing manual cleaning dredging are solved.

The invention discloses a continuous irregular object rapid automatic stamping device. The continuous irregular object rapid automatic stamping device comprises a shell, the bottom face of a stampingair cylinder is provided with a stamping plate through a screw, a connecting cylinder is welded to the middle of the bottom face of a fixed rod, the bottom face of the connecting cylinder is movably provided with a rotating disc, the bottom face of the rotating disc is provided with a rotating motor, the top of a pushing electric push rod is provided with a pushing electric push rod, the top end of the pushing electric push rod is mounted on the bottom face of a pushing plate, rollers are evenly mounted in a roller groove, the two sides of the top end of an inclination frame are evenly weldedwith multiple limiting springs, during stamping, through cooperative use of compression of the limiting springs, the rollers, the pushing electric push rod and the rotating disc, multiple objects canbe stamped at the same time, energy consumption of the stamping device and the loss degree of the stamping device can be reduced, the stamping speed is increased, a worker does not need to manually move and adjust the objects, safety of the worker is improved, labor intensity of the worker is reduced, and the stamping efficiency is improved.

The invention discloses a control system for a scaling powder spraying machine. The control system comprises an industrial personal computer, a main controller, a temperature controller connected with the industrial personal computer, a heater controlled by the temperature controller, a first sensor used for collecting heating temperature signals of the heater, and a second sensor used for detecting the spraying amount of scaling powder sprayed by the spraying machine. The main controller is connected with a welding machine controller. A scaling powder spraying air cylinder and a driving motor of the spraying machine are controlled by the main controller. The scaling powder spraying air cylinder and the driving motor are both connected with the main controller. The scaling powder spraying air cylinder and a spraying device of the spraying machine are in transmission connection. The driving motor is in transmission connection with a moving mechanism which drives the spraying device to move. The control system is simple in structure, convenient to use and operate, good in using effect and capable of effectively solving the problems that existing scaling powder spraying equipment is not accurate enough in temperature control, scaling powder spraying amount is hard to control, scaling powder cleaning is not convenient enough and the like.

The invention discloses a solar panel cleaning vehicle. The solar panel cleaning vehicle comprises a vehicle body capable of moving along the surface of a solar panel, a groove is formed in the bottomface of the vehicle body, a mounting space used for allowing a cleaning assembly to be installed is pre-formed in the groove, an upper sliding wheel and a lower sliding wheel are arranged on the upper side and the lower side in the groove respectively, the solar panel is arranged behind the groove, the upper side edge and the lower side edge of the solar panel form a running track of the upper sliding wheel and a running track of the lower sliding wheel respectively, a driver in the vehicle body drives the upper sliding wheel and the lower sliding wheel so as to move the vehicle body, bufferpads cover the two ends of the vehicle body, a handle is arranged at the top of the vehicle body, the cleaning assembly comprises a sand suction device, a scrubbing device and a drying device, and thecleaning assembly right corresponds to the solar panel. Aiming at the type of stains on the panel, the sand suction device is particularly arranged to clear sand thoroughly on the surface of the panel firstly, the scrubbing device is used for brushing off bird droppings or other viscous substances adhered to the surface of the panel, and the drying device is used for absorbing water on the surface of the panel so as to avoid water residues.

The invention relates to a ground leakage with low energy consumption and easy to clean. The ground leakage with the low energy consumption and easy to clean comprises a gear motor, a coupling, a driving shaft, a comb tooth filtering net, a limiting switch A, a power supply module, a storage battery, a limiting switch B, a modularized box body, a micro-controller, a drainage pipe outer pipe, a drainage pipe inner pipe, a sliding guide rail, a buzzer, a piezoelectric ceramic vibration sensor, a gear, a rack, a collecting basket, a magnetically controlled switch, a protective cover plate and a tiny magnet. According to the ground leakage with the low energy consumption and easy to clean, the separated comb-shaped movable double-layer filtering net is adopted, hairs are cleared through horizontal moving of the comb tooth filtering net, the problems that the filtering effect of the filtering net on hairs is not good, and the hairs wound around the filtering net are difficult to clear are solved to a certain extent. According to the ground leakage with the low energy consumption and easy to clean, the energy consumption is low, the technology of vibration information monitoring is adopted, and the problem that the buzzer prompts when nobody exists is avoided.

The invention discloses clock hand grinding equipment. The invention belongs to the technical field of clock processing equipment. The grinding equipment comprises a workbench, a hand fixing and rotating mechanism, a grinding machine, an angle adjusting mechanism, a scrap collecting mechanism, a transverse moving mechanism and a position adjusting mechanism. The hand fixing and rotating mechanismand the scrap collecting mechanism are both arranged at the moving end of the transverse moving mechanism. The output end of the grinding machine is sleeved with a grinding wheel, the hand fixing androtating mechanism comprises a rotating assembly, a supporting vertical plate, a limiting plate and a fixing assembly; a positioning groove is formed in the limiting plate, a rotating cylinder rotationally connected with the supporting vertical plate is arranged on the supporting vertical plate, and a mounting table is fixed to the end of the rotating cylinder. The grinding equipment has the beneficial effects that generated waste chips can be collected through the scrap collecting mechanism; dust falling operation can be conducted on generated scrap flying dusts, the angle adjusting mechanismcan enable the grinding machine to be at a proper inclination angle, and therefore the grinding wheel can conduct chamfering operation on the top face of the hand conveniently.

The invention relates to a clearing device, in particular to an intelligent cuttings clearing device. The clearing device is composed of a sleeve, an upper joint, a lower joint, a flow dividing assembly and scraping plates; an end opening of one end of the sleeve is internally provided with the upper joint in a thread connection mode, an end opening of the other end of the sleeve is internally provided with the lower joint in the thread connection mode, and the sleeve between the upper joint and the lower joint is movably provided with the flow dividing assembly in a sleeving mode through thrust bearings; and the sleeve is internally provided with a mounting flange, a mounting cavity is arranged in the mounting flange in a radial shape, the mounting cavity communicates with the flow dividing assembly, the scraping plates are arranged in the mounting cavity, springs are arranged between the scraping plates and the sleeve, and the end heads of the scraping plates extend to the outside ofthe sleeve. The intelligent cuttings clearing device has the characteristics of only clearing a cuttings bed at the bottom and being high in clearing effect, the problems of incomplete clearing and poor clearing effect existing in an existing clearing device are solved, and the requirement of drilling engineering is met.

The invention belongs to the technical field of pipeline machining auxiliary equipment, and particularly relates to an adjustable pipeline inner wall traction cleaning device. The device comprises a traction mechanism and two cleaning discs, the two cleaning discs are sequentially arranged in a front-back manner and are connected with each other; the cleaning disc comprises a round rubber plate, two metal clamping plates and a connecting shaft; the rubber plate is extruded and detachably installed between the two metal clamping plates, one side of one of the metal clamping plate is fixedly connected with a connecting shaft, and the two connecting shafts of the two cleaning discs are hinged together; the traction mechanism comprises a rocker, a crank, a winding drum, a traction rope and a supporting frame, the upper end and the lower end of the supporting frame are respectively provided with supporting plates; the two ends of the rocker are rotationally connected to the two supporting plates, the winding drum is arranged in the middle of the rocker in a sleeved mode, the traction rope is wound on the winding drum; the tail end of the traction rope is hung on the side face of the cleaning disc located in front. According to the adjustable pipeline inner wall traction cleaning device, the problems of large difficulty in cleaning and incomplete cleaning of impurities on the inner wall of a large pipeline can be solved.

The invention discloses a backflushing type heat exchange system with a water pressure and temperature detecting function. The backflushing type heat exchange system comprises a cold water inlet pipe (5), a hot water outlet pipe (6), a waste water inlet pipe (7), a waste water outlet pipe (8), a nozzle (15), an upper heat exchange trough (1) and a lower heat exchange trough (2). An upper heat exchange device (3) and a lower heat exchange device (4) are respectively arranged in the upper heat exchange trough (1) and the lower heat exchange trough (2), a detachable filter screen (17) is arranged in the lower heat exchange trough (2), a first pressure sensor (42) and a second pressure sensor (41) are arranged on two sides of the filter screen (17) and respectively connected with a controller (14), and the controller (14) comprises a comparing module (143) respectively connected with a setting module (144), the first pressure sensor (42), the second pressure sensor (41) and a temperature sensor (25). The backflushing type heat exchange system solves the technical problem that dirt is prone to accumulating in the heat exchangers and cannot be automatically cleaned.

The invention relates to the technical field of agricultural machinery and discloses an integrated processing system used before storage of vegetable and flower seeds. The integrated processing system used before storage of the vegetable and flower seeds includes a drying machine, a depilating and seed brushing machine, a cleaner, a specific gravity cleaner, a vibration grader, a first seed winnowing machine, a coating machine, a drying machine used after coating and a packaging device. The integrated processing system achieves the mechanized operation of whole vegetable and flower seed processing and the mechanized and automated operation of the whole process including vegetable and flower seed drying, depilation, impurity removal, grading, coating, drying after coating and packaging, solves the problem that time and effort are wasted in a manual clearing mode and the quality cannot be ensured after vegetable and flower seeds are harvested and improves the seed processing efficiency. The drying machine enables the seeds to safely store moisture, dries and hardens awn on the seed surfaces and facilitates depilation and polishing. The drying machine used after coating dries and cures a coating agent, and the problem that seeds cannot easily flow is solved. The integrated processing system used before storage of the vegetable and flower seeds is suitable for cleaning and processing of different sizes, shapes and specifications of various vegetable and flower seeds.

The invention discloses a mechanical mower, comprising a frame; a lifting box is fixedly connected to the bottom of the frame; each side of an inner chamber of the lifting box is provided with a slidechannel, a slider is slidably connected to an inner cavity of each slide channel, one end of every slider far away from the corresponding slide channel is fixedly connected with a case, a first electric telescopic rod is fixedly connected to the top of the inner cavity of the lifting box, the bottom of the first electric telescopic rod is fixedly connected with the case, and a motor is fixedly connected to the top of the inner cavity of the case. The mechanical mower has the advantages that the lifting mechanical mower is jointly built with the slide channels, the sliders, the first electrictelescopic rod, the motor and mowing blades; the mechanical mower capable of automatically cleaning grass residue is jointly built with a second electric telescopic rod, a suction fan, a grass feedingbucket and a grass discharging bucket; through the cooperation of the above structures, the mechanical mower enables the problems to be solved that a mechanical mower has unadjustable mowing height and is unable to automatically clean grass residue.