36results about How to "Avoid dredging" patented technology

The invention discloses a pressure-relief and hole-protection drill pipe for soft coal and rock drilling. The pressure-relief and hole-protection drill pipe comprises hole-protection spiral blades, discharge aiding spiral blades and a hollow drill pipe body, wherein the height of the discharge aiding spiral blades is smaller than the height of the hole-protection spiral blades; and the cross section of the hole-protection spiral blades is designed into a structure with the wider outer side and the narrow inner side. The hole-protection effect is achieved on the soft and weak coal and rock layer drill hole wall by a wide blade structure arranged at the outer side of the hole-protection spiral blades; the slag discharge passage blockage due to drill hole deformation is effectively avoided, and drilling chips are discharged under the protection of the hole-protection spiral blades; and the slag discharge capability of the drill pipe can be improved by the discharge aiding spiral blades, and the drill chip accumulation blockage is prevented from being formed under the hole-protection spiral blades. The pressure-relief and hole-protection drill pipe has the advantages that the design is novel; the hole-protection spiral blades have the hole-protection and slag-discharge duplex effects; meanwhile, a separated hole-protection space is formed between the hole-protection spiral blades; the pressure-relief effect is achieved; the contact area between the hole-protection pipe wall and the drill hole wall is reduced; the rotating resistance of the drill pipe is reduced; the drill clamping occurrence probability can be reduced; and the drilling depth and the drilling efficiency are improved.

The invention provides a shell and tube heat exchanger for exchanging heat of fused salt with different temperatures. The shell and tube heat exchanger is used for exchanging heat between cold salt and hot salt and at least comprises a shell, a first tube plate and a second tube plate which are respectively mounted at both ends in the shell, and a heat exchange tube fixed between the first tube plate and the second tube plate, wherein the heat exchange tube comprises a straight tube and a spiral tube communicated with the straight tube. The shell and tube heat exchanger further comprises a hot salt inlet, a hot salt outlet, a cold salt outlet and a cold salt inlet formed in the bottom of the shell, which are formed in the top of the shell. According to the shell and tube heat exchanger, one end of the heat exchange tube is provided with the spiral tube, so that the problem of thermal expansion of the heat exchange tube due to high temperature of fused salt can be avoided, so as to prevent movement of the tube plates due to expansion pressure and prolong the service life of the shell and tube heat exchanger; and furthermore, due to the arrangement of the spiral tube, the heat exchange area can be enlarged, and thus the heat exchange effect can be greatly enhanced.

The invention discloses a propeller-driving left-right swinging cutter-suction type desilting robot with a self-correction function. The propeller-driving left-right swinging cutter-suction type desilting robot with the self-correction function includes a platform frame, a ship body, a propeller, a left-right swinging cutter-suction mechanism, a desilting mechanism, a pumping mechanism, a self-correction unit, a controlling unit and a visual unit; the ship body is used as a walking mechanism of the desilting robot and is positioned at the bottom of the platform frame; the propeller offers power to the ship body to move forward under the control of the controlling unit; a buoyancy tank is arranged in the ship body; and the left-right swinging mechanism and the desilting mechanism are operative sections. According to the propeller-driving left-right swinging cutter-suction type desilting robot with a self-correction function, a propeller-driving submarine-type marching method and a left-right swinging cutter-suction desilting method are adopted, sludge collection and sludge pumping are conducted, different environments such as channel deposit and culvert inverted siphon stagnating are fitted, and harmless sequent movable quick desilting is achieved, and the desilting robot can be corrected through the self-correction unit, so that the sludge clearing and barrier eliminating are conducted by the desilting robot reliably.

The invention aims to solve the problem that an existing blocked high-rise building building sewage discharging pipe is not easy to dredge, and discloses a novel high-rise building sewage dischargingpipe. The novel high-rise building sewage discharging pipe comprises a sewage discharging pipe body, overturned hooks, a rotating shaft, barbs, a sliding block, a sliding groove, a blade, a filter screen, a first scraper, an ejector block, a control box, a reset spring, a connecting block, a second scraper, a connecting block, a second scraper, a connecting rod, a sealing ring, a sewage discharging cover, a bearing, a motor, a first spiral spring, a first contact block, a second contact block and a second spiral spring. The device has the advantages that through arrangement of the filter screen, garbage can be intercepted at one position, the sewage discharging pipe body in the rear is unblocked; through arrangement of the overturned hooks and the barbs, winding garbage such as hair can beintercepted; through arrangement of the rotating shaft and the blade, the intercepted garbage can be completely smashed and discharged; and through arrangement of the reset springs and the contact blocks, rotation of the motor can be automatically controlled, so that the blocked garbage is smashed so that the water pipe can be dredged, and therefore the novel high-rise building sewage dischargingpipe is convenient and rapid and can save time, labor and money.

The invention belongs to the technical field of vegetable washing sinks, and specifically provides an anti-blocking vegetable washing sink comprising a basin body, a water drainage funnel and a filter. The water drainage funnel is arranged at the bottom of the basin body. The filter is placed in the water drainage funnel. The filter comprises a filter barrel. A fan-shaped sinking structure is arranged at the bottom of the filter barrel. The horizontal area of the fan-shaped sinking structure is smaller than the area of the rest of the bottom face of the filter barrel. According to the anti-blocking vegetable washing sink, by flushing filtered solid waste into the fan-shaped sinking structure, the filter effect of the rest of the filter barrel is ensured, then the filter effect of the filter is ensured, and meanwhile the problem that the filter is blocked by the solid waste cannot happen; and by cutting off the solid waste through a double-edge blade arranged on an extrusion plate, somelarge-volume solid waste such as vegetable leaves is cut off, and waste such as the vegetable leaves can so be well collected in the fan-shaped sinking structure.

The invention discloses an in-situ treatment method for improving the quality of a water environment. The in-situ treatment method is used for treating a river channel water body and comprises the following steps: firstly, laying an aeration system and aquatic plant-imitated filler; secondly, debugging and training a microbial system; thirdly, continuously operating the microbial system until a governed river channel water body reaches V type water body; fourthly, constructing a water ecosystem; fifthly, continuously operating the water ecosystem until the governed river channel water body reaches IV type water body. According to the method, a water body is treated and purified by adopting an in-situ treatment mode, and land is not occupied; energy consumption is equivalent to or lower than that of a water treatment facility of source controlling and sewage intercepting construction; the bottom of the water body is aerated, and bottom mud is consumed in situ, so that the improvement on bottom sediment is facilitated, and desilting investment is greatly reduced or desilting is avoided; microbial communities are enriched by natural aeration, and the treatment effect of water quality is good; the water ecosystem is constructed to sufficiently realize the self-cleaning capability of the water body and prevent and control eutrophication of the water body; the in-situ treatment method is automatically operated and convenient to manage, and can realize unattended operation.

The invention provides a molten salt heat exchanger with intelligent control of heat exchange flow rate, which is used for heat exchange between cold salt and hot salt. The molten salt heat exchanger at least includes: an outer shell; The first tube sheet and the second tube sheet at both ends; the heat exchange tube fixed between the first tube sheet and the second tube sheet, the heat exchange tube includes a straight tube and a spiral tube communicating with the straight tube ; The hot salt inlet, hot salt outlet and cold salt outlet arranged on the top of the shell; there are also cold salt inlets arranged at the bottom of the shell, several cold salt passages arranged between the cold salt inlet and the cold salt outlet, and the Intelligent control valves at both ends of each cold salt channel and temperature sensing devices arranged on the cold salt channel and heat exchange tubes. The molten salt heat exchanger of the present invention can realize intelligent control through an intelligent control valve and a temperature sensing device, and can well match the heat exchange flow rate of hot salt and cold salt to achieve better heat exchange effect.

The present invention describes a beverage production apparatus (1), comprising: - a mixing chamber (21) - a slider (22b) for supporting the mixing chamber (21) and moving the mixing chamber (21), - a chamber receiving area (22a) for receiving the mixing chamber (21),wherein the chamber receiving area(22)and the slider (22b)comprise cooperating means for sliding the slider (22b) in respect to the chamber receiving area(22a), - a motor (41) for operating the movement of the slider between a metering and a mixing positions, wherein the apparatus comprises: - a current sensing unit (13) for measuring the current of the motor (41) and comparing the measured current with a predetermined threshold value, and - a warning unit (14) for issuing a warning signal, when the measured current exceeds the predetermined threshold value.

The invention provides a collection device for plant root exudates. A filter plate is arranged in a nutrient liquid barrel to effectively filter solid impurities in liquid to prevent the blockage of a connecting pipe, furthermore, an air blowing device is arranged, so that through holes on the filter plate can be dredged to prevent the through holes on the filter plate from being blocked. The invention further provides a collection method for xerophyte root exudates. A method of combining soil culture and water culture is adopted to reduce the hydroponic time so as to effectively avoid phenomena of rotted roots and the like caused by long-term soaking of plant roots in the liquid, the collection method is suitable for xerophytes, and makes the culture environment more adapted to the growth environment of the xerophytes after carrying out the water culture transiently to further improve the connection accuracy and reliability of the root exudates.

The invention provides a dry dock arrangement method based on an immersed tunnel crossing a centerline, which comprises the following steps of: taking a foundation trench excavated in the middle line of a tunnel line on the upper edge of the centerline as a dry dock prefabricated pipe joint, dragging a first batch of pipe joints out of the dock through dock gate hinges arranged at two ends of the foundation trench to carry out sinking butt joint, and prefabricating subsequent batches of pipe joints after a dock gate is recovered; and the last batch of pipe joints are foundation trench inner pipe joints, sinking butt joint is carried out through ground anchor hinge dragging, final joints are poured in an underwater joint mode, and finally construction of the immersed tunnel is completed. According to the method, a dry dock does not need to be independently built, the problem that the site selection difficulty of a different-place dry dock is large is solved, long-distance floating transportation is not needed, large-range channel dredging is avoided, the pipe section floating transportation risk is reduced, the project investment is greatly reduced, and meanwhile, the underwater final joint is adopted, and the problem that the construction period of a conventional axis dry dock is long is solved.

The invention discloses dredging and filtering equipment for dredging a sewer line. The dredging and filtering equipment comprises a trolley, wherein a wheel is rotatably connected to the lower end ofthe trolley, the pipeline is a sewer, a pipeline cavity communicating with the outside is formed in the pipeline, a branch pipe is arranged in the inner wall of the pipeline cavity, a dredging mechanism used for dredging the branch pipe is arranged in the trolley, the dredging mechanism comprises two moving cavities which are located in the trolley and communicate with the pipeline cavity, dredging blocks are slidably connected into the moving cavities, and clamping grooves with downward openings are formed in the dredging blocks. The dredging and filtering equipment is simple in structure and convenient to use, the blocked branch pipe of the sewer line can be automatic dredged, the dredging and filtering equipment can keep stable under the impact of dredged sewage, can filter the sewagewhich is just dredged, collects garbage with a large size in a centralized mode, prevents a sewer from being blocked again, can collect garbage at the bottom of the sewer, and further dredges the sewer.

The invention discloses a sprayer cleaning device including ink pads in one-to-one correspondence with sprayers and fitting with spray nozzles of the sprayers in a sealed manner, a buffer bottle used for enabling all ink pads to be communicated with each other, a diaphragm pump communicated with the buffer bottle, and a micro-metering valve arranged between the buffer bottle and the diaphragm pump and used for adjusting pressure. According to the invention, the added buffer bottle enables all the ink pads to be communicated with each other, so that pressure received by all the sprayers is generally the same. Therefore, problems of inconsistent dredging and cleaning of the sprayers due to different pressure are avoided and time and cost are saved effectively. Besides, pressure adjustment is also performed by using the micro-metering valve, so that sprayer damage due to too large or too small pressure is avoided; the service lifetime of the sprayers is prolonged; the cost is reduced; and the cleaning and dredging effects of the sprayers are guaranteed. The invention also discloses a printed including the above sprayer cleaning device.

The invention discloses a propeller-driven left-right swing cutter suction type dredging robot with a track correction function. The propeller-driven left-right swing cutter suction type dredging robot with the track correction function comprises a platform frame, a ship hull, a propeller, a left-right swing cutter suction mechanism, a dredging mechanism, a pumping mechanism, a track correction unit, a control unit and a vision unit. The ship hull is used as a walking mechanism of the dredging robot and is arranged at the bottom of the platform frame; the propeller provides power for the shiphull to move forward under the control of the control unit; a buoyancy tank is arranged in the ship hull; and the left-right swing cutter suction mechanism and the dredging mechanism are executive parts. A propeller-driven submarine type traveling mode and the left-right swing cutter suction type dredging mode are adopted in the dredging robot to collect and pump sludge, the dredging robot can adapt to different environments such as channel siltation and culvert inverted siphon siltation, and harmless, continuous, movable and fast dredging is realized. The track correction unit can enable thedredging robot to reliably remove sludge and remove obstacles.

The invention relates to the technical field of three-dimensional packaging machines, and discloses a full-automatic transparent film three-dimensional packaging machine which comprises a machine body. A mounting groove is formed in the top face of the machine body, a movable groove is formed in the right side of the top face of the machine body, material stacking plates are movably clamped to theinner surface of the movable groove, and a material stacking frame is fixedly connected to the back faces of the material stacking plates. According to the full-automatic transparent film three-dimensional packaging machine, the front face and the back face of the machine body are movably sleeved with movable rods, so that the inner ends of the movable rods are fixedly connected with the materialstacking plates, the movable plates are sleeved with springs, the springs are connected with the material stacking plates, the springs are needed while the movable plates are pulled to drive the material stacking plate to move, the springs are always kept in a compressed state, the movable rods are fixed through locking caps outside the machine, then the positions of the material stacking plateson the two sides are changed, the width of products placed on the material stacking plates is adjusted, disassembly, assembly and replacement are avoided, the operation difficulty is lowered, the operation speed is increased, the machining time is saved, and the using effect is good.

The invention relates to the field of packaging boxes, in particular to a packaging box. The packaging box comprises a cubic box body, a first sliding groove is formed in the center of the box body, a sliding column is slidably connected to the first sliding groove, a rotating assembly is arranged at the bottom of the sliding column, and a circular truncated cone is fixedly connected to the top of the sliding column. The packaging box is used for existing packing of ginseng, due to the fact that the ginseng has special fragrance, the smell is lost or changed due to improper storage, and the ginseng needs to be placed in a shady, cool and dry environment to avoid deterioration and drug property loss, but the use of a plastic packaging box can cause short storage period and drug property loss of the ginseng on one hand, and on the other hand, due to the fact that the medicinal value of ginseng is high, generally, when the ginseng is used, the amount of the ginseng used at a time is not large, the plastic packing box is very troublesome to seal after being unpacked and can generate toxic gas, and secondly, the existing packing box for packing ginseng cannot effectively separate the ginseng, so that the medicinal value of the ginseng in one box is easily lost.

The invention discloses a hidden road lifting parking device which comprises a vehicle carrying platform and a lifting device, wherein the vehicle carrying platform is positioned on the lifting device. An embedded movable parking lot further comprises a pit and a sealing plate, a contour enclosed by side walls of the pit is consistent with that of the vehicle carrying platform, and a sliding guiderail is arranged at the pithead edge of the pit along the vertically extending direction of the side walls, rollers are arranged on the lower surface of the sealing plate, and the sealing plate is connected with the sliding guide rail through the rollers. The hidden road lifting parking device has the advantages that vehicle parking on a blind road can be avoided, the jammed blind road is dredged, and convenience is provided for walking of the blind.

The invention belongs to the technical field of sewer pipeline equipment for smart home, and relates to an anti-blocking disinfection and sterilization device for a sewer pipeline for the smart home,and a using method thereof. The anti-blocking disinfection and sterilization device comprises a control box, a water inlet pipe is fixedly connected to the top of the control box, a water outlet pipeis fixedly connected to the surface of one side of the control box, a bent pipe is fixedly connected to one end of the water inlet pipe, and one end of the bent pipe is fixedly connected with one endof the water outlet pipe. According to the anti-blocking disinfection and sterilization device for the sewer pipeline for the smart home, and the using method thereof, by arranging an anti-blocking mechanism, the effect of automatic dredging control is achieved, operation is easy, the unnecessary maintenance cost is saved, and the situations that when a professional is found for dredging, the waiting time is long, a sewer pipeline cannot be used in time, and the unnecessary maintenance cost is wasted are prevented; and by arranging a disinfection and sterilization mechanism, the effect of automatic sterilization and disinfection is achieved, and the situations that a large number of bacteria are bred due to congestion to generate stink, consequently, the healthy living environment of people is damaged, and the body health is harmed are prevented.

The invention discloses an in-situ treatment method for improving the quality of a water environment. The in-situ treatment method is used for treating a river channel water body and comprises the following steps: firstly, laying an aeration system and aquatic plant-imitated filler; secondly, debugging and training a microbial system; thirdly, continuously operating the microbial system until a governed river channel water body reaches V type water body; fourthly, constructing a water ecosystem; fifthly, continuously operating the water ecosystem until the governed river channel water body reaches IV type water body. According to the method, a water body is treated and purified by adopting an in-situ treatment mode, and land is not occupied; energy consumption is equivalent to or lower than that of a water treatment facility of source controlling and sewage intercepting construction; the bottom of the water body is aerated, and bottom mud is consumed in situ, so that the improvement on bottom sediment is facilitated, and desilting investment is greatly reduced or desilting is avoided; microbial communities are enriched by natural aeration, and the treatment effect of water quality is good; the water ecosystem is constructed to sufficiently realize the self-cleaning capability of the water body and prevent and control eutrophication of the water body; the in-situ treatment method is automatically operated and convenient to manage, and can realize unattended operation.

The invention discloses a method for in-situ treatment of water environment quality. The method is used for treating a riverway water body and comprises the following steps: step 1, arranging an aeration system and a waterweed-like filler; step 2, debugging and culturing a microbial system; step 3, continuing to operate the microbial system until the treated riverway water body reaches a V type water body; step 4, constructing a water ecological system; and step 5, continuing to operate the water ecological system until the treated river water body reaches a IV type water body. According to the method, the water body is purified by in-situ treatment, no land is occupied, the energy consumption is equal to or lower than that of source-control sewage interception construction sewage treatment facilities; aeration is conducted on the bottom of the water body, sediment is consumed in-situ, sediment improvement is facilitated, and desilting investment is greatly reduced or desilting is avoided; microbial flora is enriched through natural aeration, the water quality treatment effect is good; a water ecological system is constructed, the self-purification capacity of the water body is fully exerted, and water body eutrophication is prevented; automatic operation is achieved, management is convenient, and unattended operation can be achieved.

The invention belongs to the technical field of sewer pipe equipment for smart home use, in particular to an anti-blocking disinfection and sterilization device for sewer pipes for smart home use and a method for use, including a control box, the top of the control box is fixedly connected with a water inlet pipe, and the control box A water outlet pipe is fixedly connected to one side surface of the water inlet pipe, an elbow is fixedly connected to one end of the water inlet pipe, and one end of the elbow pipe is fixedly connected to one end of the water outlet pipe. The anti-blocking disinfection and sterilization device for sewer pipes used in smart homes and its use method achieve the effect of automatic control and dredging by setting an anti-blocking mechanism, and the operation is simple, saving unnecessary costs for maintenance, and preventing professionals from being dredged and waiting for a long time It cannot be used in time, and unnecessary maintenance costs are wasted; by setting up a disinfection and sterilization mechanism, the effect of automatic sterilization and disinfection is achieved, preventing congestion from breeding a large number of bacteria, producing stench, destroying people's healthy living environment, and causing harm to health.

The invention discloses a pneumatic sewer pipe dredger, the structure of which comprises a dredger, an adapter shaft, a trigger, an air pump, and an inflatable rod. The top of the air cylinder is embedded and connected, the overall movement of the air pump and the inflatable rod is coordinated, the trigger stroke is coordinated with the internal activities of the dredger, and the trigger stroke is embedded and connected with the right side of the pump. The dredge includes a spring, a booster plug, a vacuum cylinder, a safety plug, The firing rod, the safety bolt is movable with the inside of the firing rod, the spring is integrally nested and connected with the firing rod, the vacuum cylinder is screwed with the left end of the booster plug, and the firing rod is movable with the inside of the vacuum cylinder. Fly away from the place, so that after hitting the foreign object, cooperate with the trigger plate and the connecting rod to tighten the claw piece inward, so that the foreign object can be taken out after being clamped by the claw piece, which effectively avoids the original problem of blowing away the peculiar smell only by increasing the air pressure. Short-term unblocking caused by removing foreign objects.

The invention discloses a water and soil conservation method suitable for plain river network areas. The water and soil conservation method comprises the steps of arranging diversion ditches along the horizontal direction of the downstream water at the slope top of a riverway and the longitudinal direction of an upstream water body on the slope surface of the riverway; arranging a preliminary sedimentation tank at the longitudinal and horizontal intersection of the diversion ditches; arranging a silt deposition well in a water body in the marginal bank of the riverway; pumping silt in the silt deposition well to a piezoelectric movable silt dehydrating device by using a submersible sludge pump to carry out dehydration and drying treatment; conveying the dehydrated and dried silt to the working surface of a protective slope of the riverway through a belt conveying device; and after leveling the silt conveyed into grass planting dies, concrete grillages and self-locking ecological I-shaped bricks, paving planting soil on the upper layer of silt, and laying an ecological grass blanket on the planting soil or mixing ecological grass seeds into the planting soil to finish the construction of an ecological protective slope. By using the water and soil conservation method, the problem that an ecological system of a river bed is damaged because the riverway is dredged by cutoff can be avoided; the silt returns to a slope in situ, and a silt resource is recycled; and the slope surface of the riverway is subjected to ecological slope protection treatment, so that water and soil loss is reduced.

The purpose of the present invention is to solve the problem that the existing high-rise building sewage pipe is blocked and difficult to dredge, and discloses a high-rise building sewage pipe, including sewage pipe, barb, rotating shaft, barb, slider, chute, blade, filter Net, first scraper, top block, control box, return spring, connecting block, second scraper, connecting block, second scraper, connecting rod, sealing ring, sewage cover, bearing, motor, first coil spring, The first contact block, the second contact block, and the second coil spring. The advantage of the present invention is that by setting the filter net, the garbage can be intercepted in one place, so that the sewage pipe behind is unblocked; by setting barbs and barbs, the entangled garbage such as hair can be intercepted; All the intercepted garbage is smashed and discharged. By setting the return spring and the contact block, the rotation of the motor can be automatically controlled, so that the blocked garbage can be smashed to clear the water pipe, which is convenient and quick, saving time, effort and money.

The invention relates to a closed quantifiable powder material self-control discharging system which comprises a bin body, a connecting part, a discharging part, a discharging conveying assembly and a control mechanism; a feeding pipeline is arranged at the upper end of the bin body, an electronic weighing mechanism is installed outside the bin body, and the connecting part is a flexible connecting mechanism; the discharging conveying assembly comprises a conveying motor and a discharging screw mechanism; the conveying motor is fixedly installed on the outer side of the discharging part; the lower end of the discharging part is connected with a discharging pipe; the discharging screw mechanism is installed between the discharging part and the discharging pipe; the conveying motor controls operation of the discharging screw mechanism; an air hammer is installed on the discharging pipe; and the electronic weighing mechanism, the conveying motor and the air hammer are all associated with the control mechanism. According to the automatic control discharging system, the situation that a cover is opened manually to dredge powder materials can be avoided, so that harm to human bodies and the environment due to dissipation of the powder materials is avoided, the labor intensity is reduced, and the production efficiency is improved; it is ensured that the powder materials meet the intermittent or continuous discharging requirement, and the production continuity and stability are ensured.

The invention discloses a storage bin body for biomass loose raw materials and particularly relates to a combined layered-dredging multifunctional raw material bin which is arranged in the region easily blocked in the bin body. Three kinds of different acting manners are adopted for dredging of the bin, wherein suspended vibration dredging is adopted for the upper portion, sitting type vertical rotary dredging is adopted for the middle portion, and multifunctional jaw type swing dredging is adopted for the lower portion. The raw material bin is composed of a vibrator, a vibration cylinder body, a suspended adjusting device, a suspended sealing device, a rotary drive device, a rotary cylinder body, a rotary sealing device, an electric push rod, a swing arm rod, a swing shaft and a swing fence. An ascending joint is replaced by a suspended vibration dredging device. An insertion plate door (strip) is replaced by a jaw type dredging device. The raw material bin is novel and clever in design concept and complete and compact in overall structure, the dredging means is targeted, the technical scheme is practical and reliable, and a conveying system is convenient to maintain and overhaul and the problems existing in actual production can be well solved. The combined layered-dredging multifunctional raw material bin has the application and popularization value.

The invention relates to the field of power station boilers, in particular to hood dredging and slag collecting equipment for a power station boiler. According to the technical implementation problems, a plurality of air caps are arranged on the lower surface of the boiler, large furnace slag easily slides to the air cap paths to be blocked by the air caps when the large furnace slag is raked, at the moment, large particles can be raked out only by continuously raking the large furnace slag in one or more directions, in addition, ventilation holes of the air caps in the boiler can be blocked by small-particle furnace slag, and the large-particle furnace slag cannot be raked out. Therefore, the ventilation performance is influenced to cause insufficient fuel combustion. According to the technical implementation scheme, the hood dredging and slag collecting equipment for the power station boiler comprises a bottom frame, a dredging unit and the like; a dredging unit is connected to the left of the underframe. According to the device, large furnace slag in the boiler is cleaned and the ventilation holes of the air cap are dredged, the large furnace slag can be cleaned up only by operating in one direction, the large furnace slag is prevented from being cleaned away, manual treatment is replaced, the efficiency is improved, and in addition, the ventilation holes in the air cap are dredged at the same time.

The invention discloses a propeller-driving left-right swinging cutter-suction type desilting robot with a self-correction function. The propeller-driving left-right swinging cutter-suction type desilting robot with the self-correction function includes a platform frame, a ship body, a propeller, a left-right swinging cutter-suction mechanism, a desilting mechanism, a pumping mechanism, a self-correction unit, a controlling unit and a visual unit; the ship body is used as a walking mechanism of the desilting robot and is positioned at the bottom of the platform frame; the propeller offers power to the ship body to move forward under the control of the controlling unit; a buoyancy tank is arranged in the ship body; and the left-right swinging mechanism and the desilting mechanism are operative sections. According to the propeller-driving left-right swinging cutter-suction type desilting robot with a self-correction function, a propeller-driving submarine-type marching method and a left-right swinging cutter-suction desilting method are adopted, sludge collection and sludge pumping are conducted, different environments such as channel deposit and culvert inverted siphon stagnating are fitted, and harmless sequent movable quick desilting is achieved, and the desilting robot can be corrected through the self-correction unit, so that the sludge clearing and barrier eliminating are conducted by the desilting robot reliably.

The invention relates to a mud discharge and blockage prevention device for mud-water balance top pipes. The device comprises a mud inlet and outlet part, a mud storage part and a mud block cutting part; a bin cover plate is arranged at the top of a mud storage bin of the mud storage part; a mud inlet and a mud outlet of the mud inlet and outlet part are formed in two sides of the upper part; a power device is mounted at the bottom; a spiral cutter head of the mud block cutting part is arranged inside, and is connected with the power device; the power device is connected with a PLC control system of the mud block cutting part; and the PLC control system controls the power device to drive rotation of the spiral cutter head. Larger mud blocks in mud discharge pipes are remained in the mud storage bin through a mud filter screen; the designed PLC system is sued for controlling the spiral cutter head to cut the mud blocks as mud slag; and the mud slag continuously enters the mud dischargepipes along with water flowing power, so that the blockage of the mud discharge pipes of the top pipes caused by accumulation of the large mud blocks discharged in the pipes is prevented, and the difficulty of construction stop caused by blockage of the mud discharge pipes of the mud-water balance top pipes is solved.

The invention discloses an in-situ treatment method for improving the environmental quality of surface water, and the in-situ treatment method is used for treating riverway water and comprises the following steps: step 1, arranging an aeration system and a waterweed-like filler; 2, debugging and culturing a microbial system; step 3, continuing to operate the microbial system until the treated river water body reaches a V-type water body; 4, constructing a water ecological system; and step 5, continuing to operate the water ecological system until the treated river water body reaches the IV type water body. According to the method, the water body is purified by in-situ treatment, no land is occupied, and the energy consumption is equal to or lower than that of source-control sewage interception construction sewage treatment facilities; aeration is conducted on the bottom of the water body, sediment is consumed in situ, sediment improvement is facilitated, and desilting investment is greatly reduced or desilting is avoided; microbial flora is enriched through natural aeration, and the water quality treatment effect is good; a water ecological system is constructed, the self-purification capacity of the water body is brought into full play, and water body eutrophication is prevented; automatic operation is achieved, management is convenient, and unattended operation can be achieved.

The invention discloses a treatment method for improving the environmental quality of a riverway water body. The method is used for treating a riverway water body and comprises the following steps: 1,arranging an aeration system and a waterweed simulating filler; 2, debugging and culturing a microbial system; 3, continuously operating the microbial system until the treated riverway water body reaches a V type water body; 4, constructing a water ecological system; and 5, continuously operating the water ecological system until the treated river water body reaches a IV type water body. According to the method, a water body is purified by in-situ treatment, so that no land is occupied, and the energy consumption is equal to or lower than v of source-control sewage interception construction sewage treatment facilities; aeration is conducted on the bottom of the water body, and sediment is consumed in situ, so that sediment quality improvement is facilitated, and desilting investment is greatly reduced or desilting is avoided; microbial flora is enriched through natural aeration, so that the water quality treatment effect is good; a water ecological system is constructed, so that the self-purification capacity of the water body is brought into full play, and water body eutrophication is prevented; and the method has characteristics of automatic operation and convenient management,and achieves unattended operation.