603results about How to "Improve dredging effect" patented technology

The invention particularly relates to an urban underground round rainwater pipeline dredging device, solving the problem that cleaning of the existing rainwater pipeline wastes time and labor, and harms the bodies of constructors. The urban underground round rainwater pipeline dredging device is characterized in that flexible landing legs are arranged at the lower side of a rack, the upper end face of the rack is provided with a guiding slideway which is provided with a sliding trolley, hollow rotating shafts which are connected into a whole penetrate through the sliding trolley, the tail part of the connected hollow rotating shaft is provided with a high-pressure water supply pipe, a speed reducer and a motor are arranged on the sliding trolley, the middle part of the connected hollow rotating shaft is provided with a supporting disc, the circumferential surface of the supporting disc is provided with plastic idler wheels, the front end of the connected hollow rotating shaft is provided with a smashing device or a cleaning device, the side wall of the connected hollow rotating shaft is provided with a plurality of high pressure spraying heads, the smashing device comprises a smashing disc, the circumferential surface of the smashing disc is provided with plastic idler wheels I, the front end of the smashing disc is fixedly provided with smashing teeth, the cleaning device comprises a cleaning disc, and the circumferential surface of the cleaning disc is provided with plastic idler wheels II and cleaning hair brushes. The structure of the urban underground round rainwater pipeline dredging device has the advantages of simple structure, convenient operation and low cost.

The invention relates to a sewer desilting device, belonging to the technical field of municipal construction mechanical equipment. The sewer desilting device comprises a drive part, a control part, a storage part and an operation part, wherein the drive part and the control part are respectively connected with the operation part, the storage part communicates with a contaminant discharge device of the operation part, the operation part comprises a rack, a walking system, a mud-scraping system and a desilting system, and the walking system, the mud-scraping system and the desilting system are respectively arranged on the rack to form a whole. The sewer desilting device provided by the invention is safe and reliable, is high in desilting rate and strong in adaptability, is time-saving and labor-saving, has the advantages that the labor intensity of workers is alleviated, the desilting is thorough, the operation efficiency is high, etc, the mud-scraping system is arranged aiming at the silted hard mud, and therefore, the sewer desilting device also has the good desilting effect for seriously silted pipelines.

The invention discloses a biological composite enzyme pipeline dredging agent, which contains the following ingredients: 5 to 30 percent of protease, 4 to 25 percent of cellulose enzyme, 2 to 20 percent of lipase, 0.05 to 2 percent of wetting agent and 0.05 to 2 percent of thickening and tackifying agent; the ratio of all the ingredients is counted by weight percentages, and the rest is water. The dredging agent is applicable to the pipelines of families, hotels, etc., which has the functions of wetting, infiltration and attachment, and can decompose the stoppage caused by hair, grease, fiber, etc., and the effect is good and the nature is mild; the invention is a green product which is in line with the requirements of environmental protection; furthermore, the invention overcomes the shortcomings that the existing dredging agent contains strong acid, strong alkali or strong oxidant, therefore the pipeline is easy to be corroded, etc., thus having better development and application values.

The invention discloses an integrated device for dredging a drainage pipeline based on high pressure rotating jet flow. The device is composed of three parts, namely, a control assembly, a washing assembly and a dredging assembly, wherein a magnetic valve and a central control unit in the control assembly are connected through necessary signal lines. A hollow stainless steel tube is sleeved with a high pressure nozzle and a screw rod in the washing assembly and fixed through a fixing support on a bearing, and the hollow stainless steel tube is connected to a high pressure rubber tube on a dredge car. A mud blocking trough in the dredging assembly is installed on the hollow stainless steel tube, and a sucker is installed in the mud blocking trough and connected to a mud sucking pipe which is connected with a mud storage trough through a mud pump. Compared with a traditional method for cleaning silt in a drainage pipeline, the integrated device has the advantages of being safer, more efficient and water-saving, the water flow of jet grouting can crush sediments and obstacles which are deposited at the bottom of the drainage pipeline, and the screw rod is used to stir fully; therefore, the purpose of complete dredging is achieved, and the integrated device is an effective silt cleaning device.

The invention discloses a municipal pipeline sediment removal device. The municipal pipeline sediment removal device includes a sediment removal box; a sediment removal pipe and a sediment removal shaft are arranged in the sediment removal box; a sediment removal motor for driving the sediment removal shaft to rotate is slidingly arranged in the sediment removal box; an inner gear and an outer gear are arranged on the sediment removal shaft, and the inner gear and the outer gear synchronously rotate with the sediment removal shaft; a driving gear is arranged on an output shaft of the sediment removal motor; the driving gear has a first state in which the driving gear is engaged with the inner gear, and a second state in which the driving gear is engaged with the outer gear; and a driving device for driving the driving gear to switch between the first state and the second state is arranged in the sediment removal box. In use, the driving gear of the sediment removal motor is engaged with the outer gear, the sediment removal motor drives the sediment removal shaft to rotate to clean a pipeline; when a sediment removal plate is blocked, the driving device drives the driving gear to move, the driving gear is switched into the second state, and in this time, the sediment removal shaft rotates reversely, the sediment removal shaft exits the blocking state, the sediment removal efficiency is improved, and the adaptability of the sediment removal device is improved.

The invention discloses an underground pipeline dredging method. The underground pipeline dredging method is characterized in that sludge in a pipeline is gathered to a designated position through a pipeline dredging device and then removed out of the pipeline through external force. By means of the underground pipeline dredging method, the dredging effect of the pipeline can be effectively improved, the amount of sludge in the pipeline is greatly lowered, the occurrence ratio of sludge in the pipeline is controlled below 5%, smoothness of the pipeline is ensured, and drainage efficiency of an urban drainage system is improved.

A submersible dredging vehicle relates to an underwater dredging technology. The submersible dredging vehicle is provided with a vehicle body, wherein a submersible sewage pump is arranged on the vehicle body, a drain pipe is arranged on a liquid outlet of the submersible sewage pump, four spiral propeller type driving wheels are arranged on the two sides of the vehicle body, spiral directions of the adjacent two driving wheels are opposite, a water retaining cover plate is arranged on the vehicle body, the vehicle body is provided with four driving motors connected with the four driving wheels and is further provided with a water storehouse and a draining pump, the draining pump is provided with a check pump, the water storehouse is provided with a water inlet pipe and a gas identification rod, an electric valve is arranged on the water inlet pipe, and the electric valve, the submersible sewage pump and the four driving motors are connected with a controller. The submersible dredging vehicle can move forwards and backwards, carry out translation, turn around by taking any one driving wheel as a circle center and by taking the center of the vehicle body as the circle center, move and the like through the turning matching of the four driving wheels. The submersible dredging vehicle disclosed by the invention has the advantages of high locomotive maneuverability, simplicity and convenience in position change, easy handling, no dead corner during working, more thorough cleaning, high dredging efficiency and strong subsidence and sliding capabilities.

The invention discloses a pipeline dredging robot in the technical field of pipeline cleaning. The robot is provided with a shell, rolling wheels, a driving shaft, a motor and a connecting flange; themotor is fixedly connected to the outer wall of the shell, the side wall of the shell is embedded into the connecting flange, an output end of the motor is connected with the driving shaft, the two ends of the driving shaft are connected with the rolling wheels, one end of a sleeve shell is fixedly connected with one end of a connecting column, a first stepping motor is installed at the other endof the sleeve shell, a lighting torch parallel to the sleeve shell is fixedly connected to a mounting base, a camera is installed on the lower portion of one end of the lighting torch, the other endof the connecting columns is fixedly connected with a dredging box, and a sewage pump is installed in an inner cavity of the dredging box. Accordingly, blockages are broken and discharged, secondary blocking of the blockages is prevented, and meanwhile the stability of a robot body can be kept in the dredging process; the dredging effect is good, and the practicability is high.

The invention discloses a simple hydrological-hole dredging device. The simple hydrological-hole dredging device comprises a first dieselized pumping machine, a second dieselized pumping machine and a stirrer. The first dieselized pumping machine is connected with hard plastic pipes and used for pumping out underground water at the bottom of a hydrological hole. The second dieselized pumping machine is connected with soft plastic pipes and used for injecting water into the hydrological hole. The stirrer comprises a thin rope and a metal rod. The thin rope is connected with one end of the metal rod. A cloth strip or a sponge is arranged at the other end of the metal rod and used for stirring the underground water in the hydrological hole. According to the simple hydrological-hole dredging device, circulating of the water in the hydrological hole is achieved through the two dieselized pumping machines; and as the underground water in the hydrological hole is stirred through the stirrer, the hole dredging efficiency is greatly improved, and the hole dredging time is shortened. The simple hydrological-hole dredging device is simple in structure and convenient to install, and can be repeatedly used.

The invention relates to a water conservancy project pipeline dredging method, and belongs to the technical field of water conservancy projects. The invention aims to solve the problem of sludge accumulation and blockage of the pipeline due to accumulation of sludge inside the water conservancy project pipeline. The method comprises the following steps of 1, placing a water conservancy project pipeline dredging device into a pipeline to be cleaned; step 2, flushing the interior of the water pipe into high-pressure water, so that the water in the water pipe is filled into the water storage tankand is filled with the flushing pipe; step 3, starting the driving motor, driving the motor to drive the pipeline sludge flushing device, and scattering the sludge in the pipeline; step 4, starting an electric push rod to carry out scrubbing operation on the pipeline; step 5, repeating the step 2 to the step 5 until the whole pipeline is subjected to dredging operation, closing the power source of the dredging device, and evacuating the dredging device from the pipeline. By means of the method, the scrubbing operation can be carried out in the pipeline, so that the silt inside the pipeline can be cleaned up, the dredging effect is good, and the reliability is high when using.

The invention discloses a compound remediation agent for clearing soil contaminated by petroleum and a remediation method of the compound remediation agent. The compound remediation agent is preparedfrom the following components in parts by weight: 10-20 parts of biochar, 3-5 parts of monopotassium phosphate, 4-6 parts of calcium nitrate, 3-6 parts of perlite, 3-8 parts of ceramsite, 2-5 parts ofwood chips, 5-10 parts of vermiculite, 2-6 parts of magnesium sulfate, 3-6 parts of pine needle, 5-8 parts of chicken manure and 15-30 parts of microbial preparation, wherein the microbial preparation is prepared from the following bacterium suspension in parts by weight: 10-15 parts of bacillus thermophiles, 5-8 parts of bacillus natto, 6-10 parts of aspergillus niger, 2-6 parts of bacillus subtilis, 2-5 parts of sulfur bacteria, 3-7 parts of photosynthetic bacteria and 2-5 parts of saccharomycetes; the bacterium suspension is obtained by performing fermentation and culturing on various microorganisms and has the concentration being larger than or equal to 10<5>cfu/mL. The invention discloses a remediation device for performing soil remediation by using the compound remediation agent forclearing the soil contaminated by the petroleum. Through the method for remediating the soil with the compound remediation agent provided by the invention and the remediation device, the compound remediation agent can be fully contacted to the contaminated soil, so that the remediation effect is remarkably improved to 96.5 percent, and secondary pollution to the soil cannot be caused.

The invention provides ditch dredging equipment applied to hydraulic engineering. The ditch dredging equipment comprises an automatic advancing device and a self-adaptive dredging device installed onthe automatic advancing device, the automatic advancing device is used for dragging the dredging equipment to advance in the ditch extending direction, and the width of the automatic advancing devicecan be adjusted according to the actual width of a ditch; the self-adaptive dredging device is used for removing silt in the ditch in the process of advancing along with the automatic advancing device, and the width of the self-adaptive dredging device can be adjusted according to the actual width of the bottom of the ditch; the slit at the bottom of the ditch can be automatically removed, the width of a frame of the automatic advancing device can be adjusted according to the actual width of the ditch, and the height of the self-adaptive dredging device can be adjusted according to the actualheight of the ditch; and the opening angles of two sets of guide plates, playing a role in guiding and gathering the slit, of the self-adaptive dredging device can be adjusted according to the actualwidth of the ditch. The ditch dredging equipment can adapt to different ditches, and the dredging effect on the slit in the ditches is better.

The invention discloses a canal desilting device for an agricultural water conservancy project. The canal desilting device comprises a desilting device body, a water filtering ring net is welded to one end of the desilting device body, the outer wall of the water filtering ring net is sleeved with a fixed clamping ring, an installing plate is welded to the top of the fixed clamping ring, a pump machine is fixed to the other end of the desilting device body through a fixing support, the outer wall of the desilting device body is sleeved with a fixed clamping plate, the fixed clamping plate is connected with the top of the installing plate through an installing rod, and a fixing plate is welded to the center of the upper portion of the installing rod. The device is fixed to the bottom of a desilting ship through an installing pin shaft, when the installing pin shaft rotates, the angle of the desilting device body is changed, and the desilting effect of the device can be improved; and according to the device, the pump machine is fixed to one end of the desilting device body through the fixing support, the water filtering speed of the device during running can be improved through the attraction effect of the pump machine, and the desilting speed is increased.