32results about How to "Increase the catchment area" patented technology

The invention discloses a tube well used for unwatering and pressure-reducing drainage. The tube well comprises a well pipe comprising a precipitation tube, a pressure-reducing water filtering tube, a pressure-reducing well wall tube, an unwatering water filtering tube and an unwatering well wall tube which are sequentially arranged from bottom to top in a penetrating mode, and the joint of the pressure-reducing well wall tube and the unwatering water filtering tube forms a lower pressure-reducing well pipe and an upper unwatering well pipe through a seal board in a partitioning mode. The seal board is provided with a natural flow pipe comprising a water inlet pipe section and a water outlet pipe section, the water inlet pipe section is provided with a water inlet, the water outlet pipe section is sequentially provided with a plurality of water outlet pipe section bodies in the axial direction, each water outlet pipe section body is provided with a side wall water outlet and an upper water outlet, and the side wall water outlets and the upper water outlets are of opening and closing structures. The tube well simplifies drainage procedures, increases the drainage success probability, reduces engineering costs, accelerates the construction progress, increases the deep foundation pit excavation safety coefficient, and simplifies capping work. The invention further discloses a drainage method using the tube well.

The invention provides a self-cleaning surface cleaning machine which comprises a machine body, a cleaning dock, a cleaning roller arranged on the lower portion of the machine body, a handle rod rotationally connected to the machine body and a dirt suction assembly. The dirt suction assembly comprises a dirt suction fan arranged on the handle rod, a dirt containing barrel, a dirt suction opening formed in the machine body and facing the cleaning roller and a conveying pipeline connected with the dirt suction opening and the dirt containing barrel, and the cleaning dock comprises a bearing area for containing the machine body and a cleaning tank located on the front side of the bearing area and used for cleaning the cleaning roller. A closed partition rib is arranged between the machine body and the cleaning dock, the cleaning roller is located in the cleaning tank for rotary cleaning, the closed partition rib, the machine body and the cleaning dock form a liquid collection area, the dirt suction fan performs suction to form negative pressure, liquid in the cleaning tank is conveyed to the dirt containing barrel through the dirt suction opening and the conveying pipeline, and the closed partition rib, the machine body and the cleaning dock form a liquid collection area. Therefore, liquid is prevented from overflowing or splashing in the dirt suction process, and potential safety hazards caused by pollution to the ground or entering other positions of the cleaning dock are avoided.

The invention discloses a conservation dish for increasing the survival rate of desert plants. A fitting groove internally provided with an aerogel felt is formed in the circumference of the inner wall of a dish body; the dish body is filled with nutrient soil formed by mixing an active microorganism fermentation liquor, a micronutrients fertilizer, a rooting liquid, water-absorbent resin, humic acid, an organic fertilizer and sandy soil; after the desert plants are cultivated into young plants in the conservation dish, the young plants and the dish body are transferred into soil pits of a desert region for cultivation. The dish body made from pulp provides more organic matters after being degraded, the hollow dish body, the protruding fitting groove and the aerogel felt provide multiple thermal insulating layers for the transplanted plants to prevent moisture from evaporating, the combination of the nutrient soil provides nutrient and moisture required by periodical protection and periodical growth for seedlings under the desert conditions, thereby ensuring that the desert plants can develop in the seedling stage and in the growth state, promoting the growth of the seedlings, andincreasing the seedling raising survival rate and transplanting preserving rate of the desert plants, and a seedling raising and transplanting method is superior to a desert restoration technology under an existing drip irrigation condition and less irrigation condition.

A sinking-mode toilet bottom accumulated water discharging device and method are disclosed. The invented device comprises a water collecting pipe, a wall penetrating water stopping sleeve pipe, a deodorization elbow and a pipe close. The water collecting pipe is a water pipe with a plurality of water inlet pores at the upper portion thereof, and a layer of water filter net covers the exterior of the water collecting pipe. The wall penetrating water stopping sleeve pipe comprises a short water pipe, a water penetrating sleeve pipe sleeving on the short water pipe, and a water stopping plate fixed on the wall penetrating water stopping sleeve pipe. The middle part of the deodorization elbow is provided with a U shape. One end of the water collecting pipe is connected with the pipe close, the other end thereof is connected with one end of the wall penetrating sleeve pipe, and the other end of the wall penetrating sleeve pipe is connected with the deodorization elbow. The invented method comprises following steps: mounting the water collecting pipe of the device at the lowest part of the toilet and inclines with 2-5 degrees with respect to the horizontal surface, collecting the accumulated water resorting in the backfilled coal slag or furnace slag in the sinking-mode toilet, guiding same into a blowdown or drainage vertical pipe, thereby discharging accumulated water in the toilet ground pit incessantly. The invented device and method can discharging accumulated water in the toilet ground pit and prevent bad smell backflow effectively at the same time.

The invention discloses a rainwater collecting device and method. The device comprises a rainwater collecting part and a control part. The rainwater collecting part comprises a rainwater collecting pipe and a water storage tank; an output end of a controller of the control part is in signal connection with an air pump and a valve. A pressure sensor detects the rainfall information and falling direction information of rainwater and transmits the rainfall information and the falling direction information to the controller, and the controller receives the rainfall information and the falling direction information and controls the jet direction and jet flow of an air jet opening by controlling the air pump and the valve to ensure that the flow and direction of ejected airflow at the air jet opening can assist the rainwater collecting pipe in collecting the rainwater. The device and the method solve the technical problems in the prior art that rainwater collecting systems have a small rainwater collecting amount and low collecting efficiency and secondary pollution caused by the collected rainwater is serious; the effects that the collecting amount is large, the collecting efficiency ishigh and the collected rainwater is cleaner are achieved.

The invention provides a drainage device and method for a tunnel and an underground structure. The drainage device comprises an outer sleeve pipe penetrating through a tunnel lining or the undergroundstructure when used, a core pipe and a drainage structure control unit placed in the core pipe, wherein the lower end of the core pipe extends into the upper end of the outer sleeve pipe, and the core pipe is in threaded connection with the outer sleeve pipe. A plurality of second water release holes are formed in the outer wall of the lower portion of the outer sleeve pipe; a bearing part is arranged at the lower end of the core pipe, and a plurality of first water release holes are formed in the outer wall of the lower portion of the core pipe; and the drainage structure control unit comprises a stabilizing block placed in the core pipe and located on the bearing part, a guiding sleeve, a guiding rod, a connecting piece, a sealing piece, a spring, a top cover and one or more transversedrainage pipes, wherein the lower end of the guiding sleeve is fixedly connected with the upper end of the stabilizing block; the lower end of the guiding rod extends into the guiding sleeve, and theguiding rod is in sliding fit with the guiding sleeve; the connecting piece is fixedly connected with the upper end of the guiding rod; the sealing piece is mounted at the upper end of the connectingpiece and is in liquid sealing fit with the inner wall of the core pipe; the spring is mounted on the guiding sleeve in a sleeving mode, and the two ends of the spring are fixedly connected with the stabilizing block and the connecting piece correspondingly; and the upper end of the core pipe is closed by the top cover.

The invention relates to a bionic self-driven water collection pattern capable of being applied to a large-scale surface and a preparation method of the bionic self-driven water collection pattern. The pattern is characterized in that a super-hydrophilic area is distributed on a super-hydrophobic surface, the super-hydrophilic area is composed of a bionic triangular lap-joint structure main channel, triangular secondary channels and net-shaped linear channels, the main channel is located in the center of the pattern, the secondary channels extend out of the two sides of the main channel and are asymmetrically distributed, the net-shaped linear channels are distributed around the main channel and the secondary channels, the net-shaped linear channels are composed of transverse parallel line type channels and inclined line type channels forming angles with the transverse parallel line type channels, the main channel is formed by multiple rows of single triangular structures in an up-down lap joint mode and in a left-right multi-column expansion mode, the bottoms of the upper row of triangular structures of a triangular lap joint structure are in lap joint with the narrow ends of the upper portions of the lower row of triangular structures, multi-row connection and multi-column expansion are formed according to the connection mode, and the bottoms of the triangular structures of the last row are provided with circular water storage areas connected with the triangular structures. The water collection pattern is processed by laser, and microstructure parameters can be precisely adjusted.

The invention discloses a large fishing kite comprising a fishing net, a supporting mechanism fixedly arranged on a river bank and transmission equipment; four sides of the fishing net are penetratedby first nylon ropes in a closed ring way, and the lower end of the geometric center of the fishing net is provided with a fish basket; the supporting mechanism comprises bearing rods and a supportingrod, and the supporting rod is vertically fixed on the river bank; and the transmission equipment comprises a motor, an output shaft, a motor control box, a fixed pulley block, a second nylon rope and a third nylon rope, two ends of the second nylon rope are respectively tied in the centers of two sides, traversing a river, of the fishing net, one end of the third nylon rope is tied in the centerof the second nylon rope, the top of the supporting rod is provided with the fixed pulley block, the other end of the third nylon rope is connected with the output shaft by the fixed pulley block, the output shaft is rotatably connected with the motor, and the motor is electrically connected with the motor control box. The fishing kite disclosed by the invention is wide in fish catching range, labor-saving in drawing in the net, capable of providing convenience for ship travelling, easy to fish and high in fish survival rate.

The invention discloses an intelligent rainwater collecting device for water conservation of gardens. The intelligent rainwater collecting device comprises a water storage tank, wherein a collecting box is connected to the bottom of the water storage tank through a water pipe, a support device is arranged at the bottom of the collecting box, a filtering pipe is arranged in the center of the insideof the collecting box, a lifting sleeve sleeves the outer side of the filtering pipe, a lifting support plate is arranged on the bottom of the lifting sleeve, a dust guard plate is arranged at one end, far away from the lifting support plate, of the lifting sleeve, a rainwater sensor is arranged on the dust guard plate, and connecting rods are uniformly hinged to one side, close to the dust guardplate, of the lifting support plate in a manner of bypassing the axis of the filtering pipe. The intelligent rainwater collecting device is simple in structure and novel in design, the collecting boxcan be conveniently moved and fixed, the water collecting area of the gardens is large, the device can be automatically opened for collecting rainwater during raining, in non-rainy days, the device has small occupied space in the garden, the collected rainwater is clean, the availability is high, when the device is full of the collected rainwater, the rainwater can be automatically pumped into the water storage tank by a water pump, the collecting box can continuously collect rainwater, the intelligence is high, and the practicability is high.

The invention discloses an anti-backflow drainage system. The system includes a drainage branch pipe, a water collecting pipe and a discharge pipe, wherein the drainage branch pipe, the water collecting pipe and the discharge pipe are connected in sequence, a rectangular-block-shaped anti-backflow box is arranged between the water collecting pipe and the discharge pipe, the upper portion of the anti-backflow box is provided with a water inlet connected with the water collecting pipe, the lower portion of the anti-backflow box is provided with a water outlet connected with the discharge pipe, and the anti-backflow box is internally provided with a floating block which is larger than the water inlet in size and can not pass through the water outlet. Through the arrangement of the anti-backflow box, when backflow of sewage occurs, water flow and characteristics of buoyancy are made use of, the floating block automatically blocks the water inlet of the anti-backflow box, further backflow of sewage is prevented, without affecting free drainage of the drainage system, the problem that backflow is easy to occur in a drainage system in the prior art is solved, the structure is simple, the system is easy to maintain, and no additional energy is consumed.

The invention discloses arrangement of an arid region wild-goose-type fish scale pit catchment measure in the technical field of catchment engineering. The arrangement includes: S1, selecting wild-goose-type fish scale pit afforestation land; S2, selecting a wild-goose-type fish scale pit afforestation variety; S3, adopting a method for preparing land of a wild-goose-type fish scale pit, wherein the method includes: a basic mode of the wild-goose-type fish scale pit, a land preparation mode of a big fish scale pit, structure and construction method of an oblique water retaining dam and structure and construction method of an oblique catchment ditch (groove). The wild-goose-type fish scale pit is high in volume and water storage capacity, large in interception water gathering area and capable of intercepting much natural rainfall; the oblique water retaining dam or the oblique catchment ditch (groove) is constructed along with a slope, so that construction is simple and convenient.

The invention provides a water collecting system used for collecting and draining groundwater of a side slope. The water collecting system comprises a water collecting well and a drainage pipe, the water collecting well is provided with an upper opening and formed in the mode that a drill rig excavates downwards along the surface of the side slope, wherein the water collecting well is filled withgravels, and the internal space of the overall water collecting well is fully filled with the gravels; the drainage pipe comprises an inlet end and an outlet end which communicate with each other, theinlet end extends into the bottom of the water collecting well and communicates with the internal space of the water collecting well, and the outlet end extends out of the surface of the side slope;and the water collecting well can collect the groundwater of the side slope from the inner wall of the water collecting well, and the collected underground water is input into the drainage pipe through the inlet end and drained out of the side slope through the outlet end. According to the water collecting system, the whole water collecting well is simple in structure and quick and convenient to excavate, the water collecting area is greatly increased, the construction cost is significantly lowered, and economic benefits are significantly increased.

The invention provides a power-assisted bicycle capable of cooling a hollow rear tire and preventing explosion. The power-assisted bicycle comprises a hub and a rim, wherein a steel bar is inserted into the surface of the hub; one end, which is far away from the hub, of the steel bar is inserted with the surface of the rim; a rubber cover tire is clamped on the surface of the rim; the interior ofthe rubber cover tire sleeves with a rubber inner tube; a first supporting rod is welded on the surface of the hub; a second supporting rod is welded on the surface of the hub; and a rear seat is welded at one end, which is far away from the hub, of the first supporting rod. The invention relates to the field of bicycle sharing. According to the power-assisted bicycle capable of cooling a hollow rear tire and preventing explosion, an operation block and an electric switch are arranged below the cushion, the operation is convenient, the wheel rear tire can be rapidly cooled by virtue of simpleoperations, and the condition that tire burst is caused by an extremely high pressure borne by the wheel rear tire under the high-temperature effect can be avoided. Therefore, the problem that normaluse of the power-assisted bicycle is influenced by the tire burst condition caused by a high temperature in summer in the process of using the hollow tire of the power-assisted bicycle can be effectively solved.

The invention discloses a retractable water collecting device for a water dispenser. The retractable water collecting device comprises a water collecting box and a box cover. Two support barrels are symmetrically arranged in the middle of the bottom of the inner side of the water collecting box in the left-right directions, positioning shafts are arranged on the lower side of the water collecting box, the box cover is mounted on the water collecting box, positioning holes are formed in the box cover, an auxiliary box is connected to the lower side of the water collecting box by the positioning shafts, an outwardly oblique slope surface is arranged at the bottom of the inner side of the auxiliary box, columnar elastic limiting stoppers which correspond to the support barrels are arranged in the middle of the slope surface, a strip-shaped groove is formed in the lowermost end, which is positioned on a side surface of the auxiliary box, of the slope surface, a slide plate is mounted in the strip-shaped groove, a rectangular hole is formed in the middle of the slide plate, the upper end of the rectangular hole is symmetrically arranged in strip-shaped slide groove in the left-right directions, a water collecting groove is formed in the lower end of the rectangular hole, and pressure rods which are in contact with the limiting stoppers are arranged in the positioning holes. The retractable water collecting device has the advantages that the retractable water collecting device is simple in structure and low in manufacturing cost, a water collecting device can be automatically popped out and extended below the water collecting box when cups are arranged on the water collecting box, accordingly, the water collecting areas can be enlarged, spilling can be prevented when water is collected, and the retractable water collecting device has an excellent service prospect.

The invention provides an active demisting water-saving method and device. The active demisting water-saving device comprises an active demisting module, wherein the active demisting module comprises an active demisting left module and an active demisting right module; the active demisting left module and the active demisting right module are arranged in bilateral symmetry along the central axis of the long side of the vertical projection of the active demisting module; and the end, close to the central axis of the active demisting module, of the active demisting left module or the active demisting right module is higher than the other end away from the central axis and the active demisting left module or the active demisting right module is obliquely arranged in an eave shape. The invention further provides application of the device. The active demisting water-saving method and device can adapt to the working condition environment with high flow speed and large gas flow, and particularly under the working condition that the supersaturated water-containing mist gas flow is 3-3.5 million m < 3 > / h, the active demisting water-saving treatment capacity is high, and the water collection rate exceeds 60%; the energy consumption can be effectively controlled within 80W / m < 2 >; and the device is large in water catching and collecting area, uniform in corona electric field and wide in coverage range.

The invention discloses a bean sprout culturing and water recycling device for saving water and protecting environment. The device includes a square bean sprout culturing hopper (1), a spraying device(2) is arranged above the bean sprout culturing hopper (1), a water containing device (3) for enlarging the water containing area is installed at the upper end of the bean sprout culturing hopper (1), a square water containing groove (4) is formed in the bottom of the bean sprout culturing hopper (1), a hanging plate (5) is hinged to the upper brim of the square water containing groove (4) and fixed to the outer wall of the bottom of the bean sprout culturing hopper (1) through a nut, a water guiding membrane (6) is attached to the inner side of the hanging plate (5), the lower end of the water guiding membrane (6) extends into the square water containing groove (4), the square water containing groove (4) is connected with a water collecting pool (7) through a pipeline, and the water collecting pool (7) is internally provided with a water pump (8) connected with the spraying device (2). The bean sprout culturing and water recycling device can enlarge the water containing area of the bean sprout culturing hopper, and the effects of saving water and efficiently utilizing the water resource can be achieved; meanwhile, the bean sprout production environment can be optimized.

The invention discloses a rainwater separate collection device and method. The rainwater separate collection device comprises a reservoir, a rotary disc arranged on the reservoir, a vertical barrel arranged on the rotary disc, a filter screen arranged at the upper end of the vertical barrel and with an upward opening, a water collection cover arranged at the upper end of the vertical barrel, a vertical pipe extending above the opening and with closed upper end and lower end, a plurality of nozzles arranged on the vertical pipe and a solar cell panel arranged on the vertical barrel. A net structure is arranged on the upper surface of the reservoir, a soil layer is laid on the net structure, vegetable layers are planted in the soil layer, the reservoir is divided into a first water chamber and a second water chamber, and the lower end of the vertical barrel communicates with the first water chamber. The rainwater separate collection device and method have the characteristics of larger water collection area and high rainwater collection efficiency.

The invention discloses an environment-friendly type water power device utilizing a waterfall to generate electricity and relates to the technical field of waterfall power generation. The device includes a base, wherein the middle of an upper surface of the base is fixedly connected with a water turbine, a lifting mechanism is arranged above the base, a water storage mechanism is arranged above the base, the water storage mechanism is arranged in the lifting mechanism, and an upper portion of a right surface of the water storage mechanism is fixedly connected with a control mechanism. The environment-friendly type water power device is advantaged in that through setting the water storage tank, the water flow of the waterfall can be collected, through setting a liquid level sensor, under the action of the positive and negative electric motor, the water storage tank can be lifted up and down, the water storage tank rises when the waterfall water flow becomes small, the water storage tankis lowered when the waterfall water flow becomes large, so the pressure of the water flow flowing into the water turbine is constant, that the generator speed is constant and the generator generatespower normally is guaranteed, through setting a support rod, the water storage tank is prevented from being tilted or stuck during lifting movement under the action of a sliding block.

The invention discloses a water receiving device for increasing a water receiving area of a bean sprout cultivation hopper. Water spilling out of the bean sprout cultivation hopper (1) is received when the water is sprinkled on bean sprouts to accelerate the sprouting. The water receiving device is characterized by comprising one or more water receiving unit bodies (2); each water receiving unit body (2) comprises a clamping device occluded on the edge of the bean sprout cultivation hopper (1); the upper end of the clamping device is provided with inclined fixing ribs (3); and each fixing rib(3) is provided with an arc-shaped water guide plate (4). By using the water receiving device, the water receiving area of the bean sprout cultivation hopper can be increased, so that the water can besaved, and the water resource can be efficiently utilized.

The invention discloses a soil humidity maintenance device for horticultural plants and a maintenance process thereof, comprising a water storage tank buried between adjacent trees, the upper part of the water storage tank is provided with a windproof reinforcement section protruding outward; the upper end of the planting soil layer is flush with the ground It is flat; several seepage holes are formed on the seepage pipe located outside the water storage tank; fixed anchor blocks pre-buried in the soil layer are arranged under the water storage tank. The fixed anchor block is provided with a number of connecting columns, and the bottom of the water storage tank is provided with a second through hole corresponding to the connecting columns one by one and for the connecting columns to pass through. A first sealing member is arranged between the second through hole. Compared with the prior art, the present invention provides a water storage tank with a windproof reinforcement section, a fixed anchor block and a connecting column, so that the humidity of the soil where the trees are located can be replenished through the seepage pipe on the water storage tank, and the windproof ability of the trees is enhanced. , so that urban gardening trees can grow normally.

The invention relates to a foundation pit excavation method. The method comprises the following steps that 1, a dewatering belt is arranged in a to-be-excavated foundation pit area, wherein the dewatering belt intersects with the seepage direction of underground water in the to-be-excavated foundation pit area, and underground water in a dewatering belt setting area through using the dewatering belt so as to block the underground water in front of the dewatering belt; 2, an area located at the downstream of the dewatering belt in the seepage direction of the underground water is excavated; 3,another dewatering belt on one side of the dewatering belt in the upstream of the seepage direction of the underground water is arranged; step 4, an area located at the downstream of the newly arranged dewatering belt in the seepage direction of the underground water is excavated. According to the foundation pit excavation method, dewatering is only carried out in the foundation pit, and thereforelarge-area sedimentation outside a pit can be avoided.

The invention discloses a tube well used for unwatering and pressure-reducing drainage. The tube well comprises a well pipe comprising a precipitation tube, a pressure-reducing water filtering tube, a pressure-reducing well wall tube, an unwatering water filtering tube and an unwatering well wall tube which are sequentially arranged from bottom to top in a penetrating mode, and the joint of the pressure-reducing well wall tube and the unwatering water filtering tube forms a lower pressure-reducing well pipe and an upper unwatering well pipe through a seal board in a partitioning mode. The seal board is provided with a natural flow pipe comprising a water inlet pipe section and a water outlet pipe section, the water inlet pipe section is provided with a water inlet, the water outlet pipe section is sequentially provided with a plurality of water outlet pipe section bodies in the axial direction, each water outlet pipe section body is provided with a side wall water outlet and an upper water outlet, and the side wall water outlets and the upper water outlets are of opening and closing structures. The tube well simplifies drainage procedures, increases the drainage success probability, reduces engineering costs, accelerates the construction progress, increases the deep foundation pit excavation safety coefficient, and simplifies capping work. The invention further discloses a drainage method using the tube well.

The invention provides a panel reinforced ecological retaining wall structure of a pre-buried blind ditch and a construction method. The panel reinforced ecological retaining wall structure comprises a retaining wall, a geogrid is arranged on the back of the retaining wall, the geogrid is embedded inside a reinforced soil body, the upper portion of the reinforced soil body is provided with the pre-buried blind ditch, the pre-buried blind ditch is in communication with a drip irrigation pipeline through a communicating pipe, the drip irrigation pipeline penetrates through the retaining wall, the other end of the drip irrigation pipeline is connected with a planting groove, and the planting groove is fixed to the outer side wall of the retaining wall. On the basis of guaranteeing the strength of the retaining wall, the method can follow the criteria of small water use, large water discharge and utilization, automatic rainwater utilization and active drainage are achieved, and management is convenient; and a three-dimensional ecological landscape can be formed.

The invention relates to a method for excavating a foundation pit. The method for excavating a foundation pit comprises the following steps: step 1, setting a precipitation zone in the area of ​​the foundation pit to be excavated, and the direction of groundwater seepage in the area between the precipitation zone and the area of ​​the foundation pit to be excavated Intersect; Utilize the groundwater in the precipitation belt setting area of ​​described precipitation belt suction, before groundwater is blocked to precipitation belt; Step 2, excavate the area that is positioned at the downstream of precipitation belt on the groundwater seepage direction; Step 3, in the area of ​​precipitation belt A precipitation zone is set on the side upstream of the groundwater seepage direction; step 4, excavating an area located downstream of the newly set precipitation zone in the groundwater seepage direction. This foundation pit excavation method only dewaters in the foundation pit to avoid large area settlement outside the pit.

The invention discloses a retractable water collecting device for a water dispenser. The retractable water collecting device comprises a water collecting box and a box cover. Two support barrels are symmetrically arranged in the middle of the bottom of the inner side of the water collecting box in the left-right directions, positioning shafts are arranged on the lower side of the water collecting box, the box cover is mounted on the water collecting box, positioning holes are formed in the box cover, an auxiliary box is connected to the lower side of the water collecting box by the positioning shafts, an outwardly oblique slope surface is arranged at the bottom of the inner side of the auxiliary box, columnar elastic limiting stoppers which correspond to the support barrels are arranged in the middle of the slope surface, a strip-shaped groove is formed in the lowermost end, which is positioned on a side surface of the auxiliary box, of the slope surface, a slide plate is mounted in the strip-shaped groove, a rectangular hole is formed in the middle of the slide plate, the upper end of the rectangular hole is symmetrically arranged in strip-shaped slide groove in the left-right directions, a water collecting groove is formed in the lower end of the rectangular hole, and pressure rods which are in contact with the limiting stoppers are arranged in the positioning holes. The retractable water collecting device has the advantages that the retractable water collecting device is simple in structure and low in manufacturing cost, a water collecting device can be automatically popped out and extended below the water collecting box when cups are arranged on the water collecting box, accordingly, the water collecting areas can be enlarged, spilling can be prevented when water is collected, and the retractable water collecting device has an excellent service prospect.

The invention discloses a press dewatering system in a paper machine structure for artificial board facing body paper production. The press dewatering system comprises a paper guide roll, a vacuum suction moving press roll, a vacuum press roll, a stone roll, a double scraper, a spraying device, a blind hole roll and coarse cotton cloth. Guide rolls are arranged in a first coarse cotton cloth loop, a second coarse cotton cloth loop and a third coarse cotton cloth loop in a transmission mode, and the first coarse cotton cloth loop, the second coarse cotton cloth loop and the third coarse cotton cloth loop are provided with tensioning devices, correcting devices, water absorbing tanks and water receiving trays. According to the press dewatering system, three pieces of coarse cotton cloth are adopted in the whole press part, and thus the press speed is increased; the tensioning devices and the correcting devices cooperate to adjust the coarse cotton cloth, the tensioning devices control the tension of the coarse cotton cloth to prevent the coarse cotton cloth from loosening, and the correcting devices detect the conveyed coarse cotton cloth and can correct the advancing path of the coarse cotton cloth and prevent the coarse cotton cloth from deflecting; meanwhile, the press dewatering system can reduce energy consumption and obviously increase the dryness of body paper after press, and has significant economic benefits.