204 results about "Tube drainage" patented technology

The invention relates to a tunnel lining self waterproof drainage system, which comprises a surrounding rock bearing arch, a cast-in-place cement main waterproof layer, a pre-cast cement arch sheet layer and longitudinal drainage channels. Arch sheet layer construction gaps and cast-in-place cement main waterproof layer construction gaps are interlaced. The tunnel lining self waterproof drainage system is characterized in that movable drainage grooves are fixedly arranged below the pre-cast cement arch sheet layer of centralized bursting water seepage points of loose surrounding rocks, and form arch sheet drainage spaces with an inwards concave surface of the pre-cast cement arch sheet layer, the parallel drainage spaces distributed along the section of a tunnel form a movable drainage channel, the longitudinal drainage channels are communicated and are arranged on two sides of the movable drainage channel and the pavement of the tunnel, pre-embedded water guiding pipes are arranged at the centralized bursting water seepage points, a water outlet end of each pre-embedded water guiding pipe is arranged on the inwards concave surface of the pre-cast cement arch sheet layer, and pre-embedded grouting pipes are arranged outside the pre-embedded water guiding pipes. The invention completely solves stubborn problems of the tunnel on cracking, seeping, frost heaving, ponding or freezing and the like on the premise of not arranging an interlayer waterproof layer and a hidden seepage water blind pipe drainage system, and the tunnel lining self waterproof drainage system disclosed by the invention has a simple structure and is convenient to construct.

The invention discloses a drainage anchor rod, a side slope protection engineering repairing and reinforcing structure and a construction method; the side slope protection engineering repairing and reinforcing structure can reinforce the side slope protection engineering, also can effectively repair an inverted filtration system of the side slope protection engineering, obtains lasting and stable effect, has a simple structure and is easy to construct. The drainage anchor rod comprises a drain pipe (10) and an anchoring pipe (20), wherein the drain pipe (10) and the anchoring pipe can be axially detached or butted by a connecting member (30); small drain holes (11) are dispersedly arranged on the wall pipe of the drain pipe (10); and the external end part of the drain pipe (10) is connected with an external anchoring steel plate (12).

A drainpipe noise detection chamber is composed of a chamber body, a catchment pool, a water supply and drainage system and a test equipment. The chamber body adopts a steel frame structure and has an upper layer and a lower layer; the floor, the wall structure body as well as the windows and doors are made of insulation materials; the catchment pool is arranged under the first layer; the water supply and drainage system is arranged in the chamber; during detection, a computer, a sound level meter and a transducer are arranged at each test point based on requirements so as to accurately detect the noise in the pipes and fittings. After the detection chamber is established, the background noise is lower than 25dB(A); the detection chamber can complete drainage noise test for 4 standpipes at the same time, and can achieve unmanned operation in the chamber during noise detection so as to avoid man-made disturbance in the noise test. The establishment of the detection chamber provides a test environment for the noise contrast of various pipe fittings; and the noise detection method is simple and practical, providing a platform for the development of low-noise tube drainage pipes.

The invention discloses an immersed tube drainage structure, and further discloses a method for handling suddenly-produced foundation pit water bursting and fountains through the immersed tube drainage structure. When the water bursting phenomenon obviously occurs in a foundation pit and mud is sprayed out, landfill is conducted through original soil within the range of a core tube which has been dug, and then well digging and water pumping are conducted. A plurality of wells are formed for the core tube, and shaft bottom elevations are reduced till the shaft bottom elevations are below the natural ground and extend into high-water-content layers; after formation, a submerged pump is placed in each well to conduct water pumping; the upper openings of the wells are connected to form a water pumping network so that underground water can be pumped to a drainage system on the upper edge of the foundation pit; digging is continued after water inside the well is lowered below the foundation bottom elevations of the core tube; in the digging process, water pumping systems of the water pumps keeps working, blinding concrete pouring is conducted instantly after earth excavation conducted on the portions is completed; after pouring, the water pumping systems of the water pumps in the wells stop working after the raft foundation concrete pouring is completed and the strength reaches 75% of the designed strength. The drainage construction method is simple in process, and construction cost of foundation pit drainage construction can be effectively reduced.

The invention provides a ladle automatic drainage device, and belongs to the technical field of a drainage device in iron and steel smelting. The ladle automatic drainage device comprises a cylinder body and drainage material which has a single-layer or multilayer structure. The cylinder body is a prefabricated thin-wall steelwork. The top part of the cylinder body is sealed by adopting prefabricated thin-wall steel. The bottom part of the cylinder body is sealed by adopting hard low temperature melted plastics. The ladle automatic drainage device is novel in structure, easy to operate and high in automatic drainage efficiency so that a non-self-open drainage phenomenon caused by a water port cleaning problem can be completely avoided, in-tube drainage sand is not liable to be affected by damp and is not liable to be polluted by other material in ladle to affect self-open rate, and thus labor force is saved, stability performance is great and use is safe.

The utility model relates to a liquid delivery machine of the condensing pipe which is used as a liquid baffle to reduce the thickness of the condensate film outside a heat exchange pipe in a shell-and-tube heat exchanger. The condensing pipe of the prior art fails to solve the problems that the condensate drips from the upper pipe in the horizontal pipe bundle of horizontal condensation heat exchanger, which increases the thickness of the condensate film of the lower pipe and degrades the heat exchanging performance, the tube bundle effect and that the condensate converges at the bottom and increases the film thickness of the condensing pipe and the heat resistance so as to decrease the heat exchanging capacity. The utility model comprises a liquid delivery tank 1, a planar and continuous drainage plate 2 at the upper part of the liquid delivery tank 1 with a curved surface, a snap spring 3, a pin 4 and a condensing pipe 5; wherein, the delivery tank 1 and the drainage plate 2 are fixed on the condensing tube 5 by the snap spring 3 and the pin 4. The utility model can be used widely in various horizontal outside condensation heat transfer devices in the fields of petroleum, chemical industry, metallurgy, pharmacy, air-conditioning, refrigeration, heating and other fields.

The invention discloses a shallow mud foundation treatment method. The method includes: zoning a site to be treated; laying drain boards in a soft soil layer from top to bottom by a floating raft; connecting the ends and middle of the drain boards to a tube drainage system through tube plate connectors; connecting the upper end of the tube drainage system to a vacuum unit; laying woven fabric, geogrid, nonwoven geotextile and seal film on a mud surface from top to bottom; performing vacuum preloading and unloading after requirements are met. The shallow mud foundation treatment method has the advantages that construction period is shortened greatly, vacuum transmission is effective, using sand cushions is avoided, and deformation of the drain boards is reduced greatly.

The invention discloses a semi-automatic loading device of PVC drainage pipes. The semi-automatic loading device of the PVC drainage pipes comprises a machine frame, a pipe feeding mechanism, a chain conveying mechanism and a pipe discharging mechanism, wherein the entire semi-automatic loading device is installed on the ground through a supporting frame, the pipe feeding mechanism is located at one side of the lower end of the chain conveying mechanism, the pipe discharging mechanism is located at the other side of the upper end of the chain conveying mechanism, and a plurality of grabbing clamps are distributed on the chain conveying mechanism. According to the working process of the semi-automatic loading device of the PVC drainage pipes, the PVC drainage pipes are manually placed on the pipe feeding mechanism, the chain conveying mechanism is started for circular rotation, the pipes are grabbed through the grabbing clamps on the chain conveying mechanism, the drainage pipes move upwards, the drainage pipes fall into a compartment when reaching the top end, and therefore pipe loading is achieved. The pipe loading process solves the problem that loading in a manual shoulder bearing mode is high in labor intensity. Meanwhile, the grabbing clamps are installed on the chain conveying mechanism, so that the problem that a conveying belt on the chain conveying mechanism affects the loading process due to product sizes is solved. The semi-automatic loading device of the PVC drainage pipes has low requirements for a field.

The invention relates to a large-caliber anal tube drainage device, which is characterized by comprising a large-caliber drainage tube and a drainage bag connected with the drainage tube, wherein an inflatable air bag which has a butterfly wing shape when inflated is arranged on the outer wall of the top of the drainage tube; an inflation tube is arranged on the inner wall of the drainage tube; an inflation nozzle with a gas plug is arranged on the outer wall of the bottom of the drainage tube and communicated with the inflatable air bag through the inflation tube; and the bottom of the drainage tube is connected with the drainage bag. The device can be used for draining loose stool in the rectum of a patient, has a simple structure and is conveniently and reliably used, the drainage tube is difficultly separated from an anal tube, the stool cannot leak, cleanliness and sanitation are achieved, and the patient does not have obvious discomfort and can conveniently walk and act.

The present invention relates to a multifunctional integrated anal tube drainage device. The multifunctional integrated anal tube drainage device comprises a drainage main pipe 1 for loose stool drainage, a liquid injection branch pipe 2 for injecting medicinal liquid or rinsing liquid and attached to an inner side wall of the drainage main pipe 1, a viscous exudate absorption sticker 9 for positioning, a guide wire 7 for dredging and an anal temperature measuring instrument. The integrated anal tube drainage device can be used for loose stool drainage and anorectal administration of patients,is good in positioning and fixing effects, and not liable to prolapse, reduces incidence of incontinence-associated dermatitis, avoids stool pollution and cross infection, reduces suffering of the patients and helps to achieve effective cooperation with medical care work.

The invention discloses a high negative pressure non-clogging drainage tube, which comprises an internal sleeve and an internal drainage tube; a plurality of sleeve drainage side holes are formed in the outer surface of the internal sleeve; a plurality of internal tube drainage slide holes are formed in the outer surface of the internal drainage tube; the internal sleeve is sleeved outside the internal drainage tube; the internal tube drainage holes are formed in the surface of the end part of the internal drainage tube, and the surface of the end part is covered with a filter layer; and the internal drainage tube can be detached from the interior of the internal sleeve. According to the invention, the filter layer is arranged on the internal drainage tube and the internal drainage tube can be changed, so that in suction in an enclosed high negative pressure environment, negative pressure is uniformly distributed on the surface of the filter layer through the filtration of the filter layer and the attenuated pressure to cause a to-be-drained object to enter a drainage bottle quickly, and the drainage tube is not easy to clog. The drainage tube, disclosed by the invention, is suitable for clinical medical treatment.

A gas pipeline water draining device with blockage preventing and gas isolating functions comprises a water draining device barrel body, a first-stage water sealing pipe, a second-stage water sealing pipe, a water draining pipe and a dispersing pipe, wherein an inner cavity of the water draining device barrel body is divided into a first-stage water sealing chamber, a second-stage water sealing chamber and a water draining chamber through separating plates; the first-stage water sealing chamber, the second-stage water sealing chamber and the water draining chamber are sequentially arranged in the horizontal direction; a water overflowing hole is formed in the upper part of the separating plate between the second-stage water sealing chamber and the water draining chamber; the lower end of the first-stage water sealing pipe is positioned at the inner lower part of the first-stage water sealing chamber, and the upper end of the first-stage water sealing pipe is connected to a gas pipeline through a valve; the upper end of the second-stage water sealing pipe is positioned in the first-stage water sealing chamber, and the lower end of the second-stage water sealing pipe is positioned in the second-stage water sealing chamber; the lower end of the water draining pipe is positioned at the inner lower part of the water draining chamber, and the upper end of the water draining pipe extends out from the sidewall of the water draining device barrel body; the dispersing pipe is mounted on the top part of the water draining chamber. According to the device, a reliable separating device is provided; condensed water in the gas pipeline can be collected and drained; in addition, the gas can be prevented from leaking from a water draining port. Therefore, the safety of the gas pipeline and related equipment and people can be ensured.

The invention discloses an air cushion type layered vacuum tube well. The air cushion type layered vacuum tube well comprises a tube well body; an air cushion type vacuum tube well layered dewatering device is arranged in the middle of the tube well body and comprises an inner ring cover plate and an air cushion ring which is made of rubber materials; four slideways which are arranged in a crossed mode are arranged on the inner ring cover plate; a sliding plate is arrangde on each slideway; a vacuum pump connecting tube hole is upwards connected to a vacuum generating tube; a vacuum meter connecting tube hole is upwards connected to a vacuum meter tube; a cable and sinking pump rope hole is upwards connected to a cable and a sinking pump rope tube; a drainage tube hole is downwards connected to a drainage connecting tube and is upwards connected to a drainage tube; the two sides of the inner ring cover plate are downwards provided with water drain tubes; and the air cushion ring is arranged below the inner ring cover plate. The air cushion type layered vacuum tube well and a soft foundation dewatering and draining method applying the same have the advantages that different dewatering construction can be carried out on different soil, and the double effects of tube well dewatering and vacuum dewatering can be achieved by one tube well.

The invention provides a building drainage collection system. The building drainage collection system comprises a drainage pipe assembly, a transverse pipe drainage assembly communicating with the drainage pipe assembly, and a water seal assembly communicating with the transverse pipe drainage assembly, wherein the interior of the transverse pipe drainage assembly is of a flat cavity structure, and the bottom surface of a cavity of the transverse pipe drainage assembly is obliquely arranged. According to the building drainage collection system, the flat transverse pipe drainage assembly is adopted to be connected with the drainage pipe assembly and the water seal assembly, so that the occupied space is small, and the technical effect of sewage and wastewater drainage can be achieved without lowering a floor slab layer.

The invention belongs to the field of geotechnical engineering tests, and relates to a tunnel seepage test device. The main structure comprises a model box, a front cover plate, a rear cover plate anda tunnel model, wherein the front surface of the model box is provided with the front cover plate, the back surface of the model box is provided with the rear cover plate, and the tunnel model with acircular structure is arranged between the front cover plate and the rear cover plate. Based on the test requirements, different water head heights and surrounding rock types are adjusted, the displacement of the blind pipe is controlled, the shape of the tunnel model is changed, the repeated utilization rate of the model box is increased, the front cover plate made of organic glass is convenientto use, and the test process and phenomenon are easy to observe. In the test process, water flow is collected and drained to the longitudinal blind pipes through the annular blind pipes and discharged out of the tunnel model through the transverse blind pipes at the arch feet, and the drainage blind pipes can be filled with different contents of long stapled cotton according to test working conditions so as to simulate different degrees of blockage conditions of the blind pipes; the structure is simple, the principle is scientific and reliable, and the evolution process of the seepage field under different blocking degrees and different drainage conditions can be known.

The invention provides a toilet drainage collection system. The toilet drainage collection system comprises a drainage pipe assembly, a transverse pipe drainage assembly communicating with the drainage pipe assembly and a water seal assembly communicating with the transverse pipe drainage assembly, wherein the drainage pipe assembly comprises a first water inlet pipe, a second water inlet pipe, afirst vertical pipe and a second vertical pipe, the first water inlet pipe and the second water inlet pipe are connected, the interior of the first water inlet pipe communicates with the interior of the second water inlet pipe, the inner edge of the second water inlet pipe is tangent to the inner edge of the first water inlet pipe, the first water inlet pipe is connected with the first vertical pipe, the interior of the first water inlet pipe communicates with the interior of the first vertical pipe, and a pipe wall cavity with an expanded volume is arranged at the communication part between the second water inlet pipe and the first water inlet pipe. According to the toilet drainage collection system, due to the fact that the pipe wall cavity with the expanded volume is arranged in the drainage pipe assembly, the curvature radius of wall-attached rotational flow of sewage of the drainage pipe assembly is increased, and it is guaranteed that the wall-attached rotational flow of the sewage can be achieved.

The invention relates to a vacuum preloading construction method for a soft soil foundation, and belongs to the technical field of soft soil foundation treatment. A vacuum preloading construction structure for the soft soil foundation includes a plurality of drainage plates inserted below the soft soil foundation, a plurality of parallel horizontal branch pipes are arranged at the top ends of thedrainage plates in a communication mode, each horizontal branch pipe communicates with a plurality of drainage plates, a same main drainage pipe is arranged at the top ends of the multiple horizontalbranch pipes in a communication mode, the main drainage pipe is provided with vacuum-pumping equipment in a communication mode, the horizontal branch pipes are each provided with a plurality of sets of anti-settling components in the own axis direction, the anti-settling components each include a supporting column driven vertically below the foundation, the lower surfaces of the supporting columnsare connected with the bottoms of the horizontal branch pipes in an abutting mode, sliding sleeves slidably sleeve the top ends of the supporting columns, and the sliding sleeves are hollow inside and are provided with supporting rods capable of lifting up as the supporting columns descend and supporting the horizontal branch pipes in a hinged mode along both sides in the axial direction of the horizontal branch pipes. The vacuum preloading construction structure for the soft soil foundation has the effect of preventing settlement of the communicating pipes along with the foundation.

The invention discloses a deodorization clean type floor drain. The deodorization clean type floor drain structurally comprises a panel, a separation tube, a stream guidance tube, a draining tube anda cover plate, wherein the cover plate is nested in the position of the upper end of the panel, the separation tube is fixed on the position of the lower end of the panel, the stream guidance tube isof an inverted cone structure, the stream guidance tube and the separation tube are of an integrated structure, a pivot rod is located on the central position of an inner core, the inner core is nested in the separation tube in a matching mode, a filtering net, a connection shaft, a thread column, a fan blade plate and a brush head are arranged on a cleaner, the connection shaft is fixedly connected with the thread column, the brush head is spliced on the fan blade plate, and the fan blade plate is connected with the connection shaft in a clamping mode. After a rotary handle is pressed down, aspring is compressed, a clamping block is clamped in an inner groove, a baffle blocks the clamping block and prevents the spring from rebounding, the thread column and a threat tube are driven to rotate by rotating the rotary handle, a thread rod rotates downwards, and a tube plug descends so as to block the draining tube, thereby preventing that bad smell in the draining tube is volatilized upward and generates stink.

The invention relates to a water volume-water level servo control water-lowering well based on information feedback and dynamic backflow. The water volume-water level servo control water-lowering wellcomprises a drainage well unit, an information acquisition unit and a control unit, wherein the drainage well unit is provided with a well pipe, a drainage pipe and a return pipe, the drainage pipe is provided with a water pump and a drainage valve, and the return pipe is connected with the drainage pipe; the information acquisition unit is provided with a dynamic water level acquisition mechanism, a drainage flow acquisition mechanism and a backflow flow acquisition mechanism, the dynamic water level acquisition mechanism is used for collecting water level in the well, and the drainage flowacquisition mechanism and the backflow flow acquisition mechanism are respectively used for collecting the flow of the drainage pipe and the flow of the return pipe; and the control unit is provided with a signal receiver, a backflow control valve, a servo motor and a PID controller, the signal receiver is used for receiving and treating the water level, the flow of the drainage pipe and the flowsignal of the return pipe, the backflow control valve is arranged on the return pipe, the servo motor is used for controlling the backflow control valve, and the PID controller is used for receiving aprocessed signal and comparing the signal with a target value to control the servo motor. Compared with the prior art, the water volume-water level servo control water-lowering well can achieve the goal of accurately controlling the water level or the water displacement of a precipitation well, and has great significance for realizing the automation of precipitation engineering.

The invention discloses a water draining system with a gas double-wall pipe. The system comprises the gas dual-wall pipe, draining pipes and a draining tank, the gas dual-wall pipe comprises an outerpipe and an inner pipe, the draining pipes are connected to the lowest points of all pipe body bending positions of the outer pipe, combustible gas detection devices are arranged on connecting pipe segments of the outer pipe and the draining pipes, water outlets of the draining pipes are connected with a water inlet of the draining tank, the water inlet of the draining tank is provided with a first stop valve in a matched manner, the first stop valve is used for controlling the water inlet of the draining tank to be opened or closed, a draining opening is formed in the bottom of the draining tank, and is provided with a second stop valve in a matched manner, and the second stop valve is used for controlling the draining opening to be opened or closed. According to the water draining systemwith the gas double-wall pipe, the technical problems that in the prior art, condensate water is directly drained to a cabin, when the position between the inner pipe and the outer pipe of the dual-wall pipe is damaged, gas is possibly exhausted into the cabin, and the fire danger is caused can be solved.

The farmland concealed pipe drainage device comprises a sewage treatment tank and a water collection tank, a sewage purification assembly is installed in the sewage treatment tank, a pair of drainage pipes is arranged on the two sides of the bottom of the front face of the sewage treatment tank, and an electric control valve is arranged in the middle of each drainage pipe; a pair of plugging plates is arranged on the front side and the rear side in the water collecting tank, a plurality of L-shaped pipes are arranged on the front side wall and the rear side wall of the water collecting tank, the outer end of each plugging end is inserted into an inner port of the corresponding L-shaped pipe in a matched mode, a pair of bidirectional lead screws is arranged between the pair of plugging plates, and each bidirectional lead screw is connected with the corresponding plugging plate through a hinge assembly. A siphon mechanism is arranged between the sewage treatment tank and the water collecting tank. According to the device, accumulated water in the farmland is drained within the shortest time, the drainage rate is increased, sewage treatment is carried out at an outlet of the drainage pipeline, and non-point source pollution to the surrounding environment caused by randomly drained accumulated water in the farmland is effectively prevented.

The invention discloses an in-situ remediation system and a method which are for combining sediment heavy metal pollution treatment with dehydration and solidification. The in-situ remediation systemcomprises an EKG drainage plate, a drainage branch pipe, a drainage main pipe, a vacuum water-gas separator, an electrode connecting circuit, a vacuum pump, a water suction pump and a heavy metal treatment reagent adding system; a base plate of the EKG drainage plate is inserted into the bottom mud; the vacuum gas-water separator is provided with a water inlet, a gas suction opening, and a water suction opening; the water inlet is detachably connected with the drainage main pipe; the gas suction opening is connected with the vacuum pump through a pipeline; the water suction opening is connected with the water suction pump; the heavy metal treatment reagent adding system comprises a container containing a reagent and a reagent pump, the container is connected with the input end of the reagent pump through a pipeline, the output end of the reagent pump is connected with the main drainage pipe, and the bottom mud to be treated is sequentially covered with a sand cushion layer, a geotextile layer and a vacuum sealing film layer from bottom to top. Continuous drainage in heavy metal bottom mud treatment is achieved, the bottom mud curing period is shortened, the bottom mud reinforcing effect is improved, and the curing cost is reduced.

The invention discloses a management and protection-free integrated silt dam. The management and protection-free integrated silt dam comprises a homogeneous earth dam body. In order to improve the anti-scouring capability of a protective slope, mixture protective layers with the thickness of 1.0-3.0 m are arranged on the upstream and downstream dam slope surfaces of the homogeneous earth dam body.In order to drain seepage water in the dam body in time, a plurality of layers of drain blind tubes are embedded in the homogeneous earth dam body at intervals. Tube ports of the drain blind tubes extend out of the downstream dam slope. A mixture layer with the thickness of 2 m is filled on the dam top of the homogeneous earth dam body. The mixture layer and the mixture protective layers laid onthe upstream and downstream dam slope surfaces are connected into a whole. The invention further discloses a construction method of the management and protection-free integrated silt dam. The integrated silt dam provided by the invention is convenient to construct. The anti-scouring capability of the upstream and downstream dam slopes is improved. Accordingly, the dam body can be overflowed, a sluicing structure can be omitted, and the engineering investment is greatly saved. Meanwhile, through the high anti-scouring capability of the dam slope, the problem that an existing silt dam exceeds standard flood and is prone to dam break is solved well, and the engineering management and protection task is simplified.

The invention relates to the field of building construction, in particular to a regular expanded-base size bag injection bag. The bag injection bag comprises a slurry bag, an upper partition plate, a grouting pipe, a drainage network, a drainage pipe and a limiting strip; the upper partition plate is arranged at the upper end of the slurry bag; a hole cover is arranged in the middle of the upper partition plate; the upper partition plate is detachably provided with a conveying rod on the periphery of the hole cover; the grouting pipe is arranged on the hole cover; the grouting pipe is communicated with the interior of the slurry bag; the drainage network is arranged on the outer side of the slurry bag and communicated with the drainage pipe through the upper partition plate and the hole cover; the drainage pipe is arranged on the hole cover; a bottom partition plate or a pile shoe is arranged at the lower end of the slurry bag; and the limiting strip is located on the outer side of the slurry bag and hinged to the upper partition plate. The invention further relates to a regular expanded-base size bag injection molding method. According to the regular expanded-base size bag injection bag, the expansion shape of the bag injection bag can be effectively controlled, regularization and optimization of the shape of a expanded head of a pile end can be achieved, soil compaction can be accelerated, the soil compaction range can be expanded, the compaction space can be increased, and the bearing capacity of the pile end and a whole pile is improved.

The invention discloses an advanced treatment method for water damage of a working face of a coal mine downhill roadway, and relates to the field of mines. The method mainly comprises the following steps that drilling holes are formed, specifically, a first drainage chamber is excavated behind the working face, and drainage holes are drilled along a roadway bottom plate from the drainage chamber;and immersed tube drainage is conducted, specifically, exhaust pipes are connected section by section and extend into the drainage drilling holes till the bottoms of the holes, the ends, positioned inthe drainage chamber, of the exhaust pipes are connected with underground pipeline compressed air, the compressed air is blown to the bottoms of the drainage drilling holes through the exhaust pipesand then flows out rapidly along the drainage drilling holes, meanwhile, accumulated water in the drilling holes is brought out of the drilling holes rapidly, and thus the accumulated water is drained. The problem that in the prior art, a roadway bottom plate near a working face is wet and slippery is solved, and the difficulty of reverse slope retreating of a fully-mechanized excavator is effectively solved; through alternate propelling of the drainage chamber, continuous propelling of construction is ensured; and the problem that dwarf sandstone in a mine hole is muddy when encountering water is effectively solved, and smooth construction is ensured.

The invention relates to a siphon type concealed conduit drainage device and a communicating type concealed conduit drainage device, and belongs to the field of concealed conduit drainage. The device comprises a water collecting well which is used for storing water; a water collecting pipe which is arranged on the side face of the water collecting well, communicates with the interior of the water collecting well and is used for collecting water and guiding the water into the water collecting well; a water suction pump which is arranged at the bottom of the water collecting well and used for pumping water in the water collecting well to a drainage ditch through a drainage pipe; the drainage pipe, wherein one end of the drainage pipe penetrates through the water collecting well and is connected with the water suction pump, and the other end of the drainage pipe is arranged at the drainage ditch and used for conveying water in the water collecting well to the drainage ditch under driving of the water suction pump; a power supply which is connected with the water suction pump and used for supplying power; a siphon drainage system which comprises a siphon, wherein the two ends of the siphon are inserted below the liquid level of the water collecting well and the liquid level of the drainage ditch respectively, water in the water collecting well is conveyed to the drainage ditch through the siphon according to the siphon principle, the problem that the water pumping flow of a water pump and the drainage supply flow of a farmland concealed conduit are unbalanced is solved, and the drainage efficiency is improved.

The invention discloses a sound-absorbing PPR water supply pipe structure in the technical field of water pipes. A sound wave buffer chamber is arranged between the wave-shaped sound-absorbing cotton, and the outer wall of the wave-shaped buffer pipe is provided with a sound-absorbing pipe, and the peripheral surface of the sound-absorbing pipe is compounded with an expansion type sound-absorbing pipe, and the wave-shaped buffer pipe provided on the outer wall of the PPR pipe passes through the wave form The sound-absorbing cotton and the sound wave buffer chamber can perform primary noise reduction on the drainage noise inside the water pipe, and further weaken the drainage noise by using the sound-absorbing wedge inside the sound-absorbing pipe, and install an expansion-type sound-absorbing pipe on the outermost layer of the pipe wall, using the expansion principle of sound waves , can carry out the final noise reduction on the drainage noise, and through the combination of layers of pipes, the drainage noise can be greatly reduced to meet the needs of users.

This invention is that the water inlet of the toilet tank is communicated with the water outlet of the washbasin. Washing waste water such as washing one's face and hands can automatically flow into the toilet water tank like this, thereby flushing the toilet with waste water, to reach the purpose of saving water. After the washing waste water is discharged from the washbasin, it automatically flows into the toilet water tank until the water tank is full, and the excess waste water is directly discharged to the sewer through the drainage curved pipe under the wash basin. When it is seen from the water level pipe that the water in the toilet tank is insufficient, you can add washing water or tap water from the washbasin. The invention has the advantages of simple device, simple installation, convenient use and obvious water saving. In the accompanying drawings: 1. toilet; 2. toilet water tank; 3. washbasin; 4. washbasin bracket; 5. water level pipe; 6. curved drainage pipe.