42 results about "Gravity drainage" patented technology

The invention provides a heavy oil thermal-flow coupling development experimental device and method based on microwave-assisted gravity drainage, and belongs to the field of oil-gas field development. The experimental device comprises a three-dimensional oil reservoir simulation system, a microwave-assisted heating system, a horizontal well injection-production regulation and control system and a multi-field monitoring system; the microwave auxiliary heating system comprises a microwave generation regulation and control system, a microwave transmission system and a shaft integrated microwave radiator, the microwave generation regulation and control system comprises an industrial grade microwave generator, a power regulator and a PLC, and the microwave transmission system comprises a microwave coaxial cable and a microwave waveguide tube bundle; and the microwave generator is continuously connected with the microwave waveguide tube bundle and the shaft integrated microwave radiator. According to the heavy oil thermal-flow coupling development experimental device and method based on microwave-assisted gravity oil drainage, the technical problems that an existing deep heavy oil thermal recovery experimental device cannot reproduce a'thermal-flow-force 'multi-field coupling environment, the microwave heating adaptability is poor, and the experimental scale and the field deviation is large are solved. The heavy oil thermal-flow coupling development experimental device and method based on microwave-assisted gravity oil drainage solve the technical problems that an existing deep heavy oil thermal recovery experimental device cannot reproduce the'thermal-flow-force' multi-field coupling environment.

The invention discloses a reinforcing device and method for a side slope containing a weak intercalated layer, and belongs to the technical field of geotechnical engineering side slope reinforcement. The reinforcing device comprises a retaining wall and anchor cables, supplementary plates are arranged between units and are elastically connected, a water storage assembly is arranged on the side, close to the retaining wall, of the side slope, a water tank is arranged at the top of the retaining wall, and a water absorption assembly extending into the side slope is arranged on the retaining wall. The pushing assembly comprises a connecting cylinder, a connecting ring, an outer ring, a flexible pad and a corrugated pipe; the pump body at the water tank is connected with a hidden drainage header pipe and a water suction pipe through a three-way pipe; the retaining wall units, the pre-stressed anchor cables and the deep drainage system which are modularized are integrated, so that the cooperation of retaining, anchoring and drainage is achieved, and the defect that traditional measures are poor in collaboration is overcome. The water suction assembly is arranged, the pump body actively sucks water, the pore water pressure is efficiently reduced, and the problem that traditional gravity drainage is passive and low in efficiency is solved. The spring supplement plates between the retaining wall units can elastically adapt to uneven deformation of the side slope, stress redistribution is achieved, and the displacement can be monitored and pre-warned.

The integrated prevention and treatment method of the burned rock water disaster of the present application proposes the concept of combination of resistance and permeation and advanced active prevention and treatment, breaks the thinking stereotype of traditional coal seam roof water disaster independently relying on water drainage and full section curtain interception, and creates a new concept of active comprehensive prevention and treatment of dynamic supply interception, drainage and dry static reserves, and combined use of local bypass flow. The problems of multiple solutions of geophysical prospecting and limitations of drilling are scientifically solved, and for the first time, the fine quantitative delineation of the strong water-conducting burned rock zone is realized from two-dimensional range to three-dimensional water-rich structure. A gravity drainage of an inclined borehole, a roadway catchment, and a gravity flow of a catchment channel form a passive underground water drainage link. The difficulty of drainage and dryness in treating the burned rock water disaster is reduced, and due to the use of the passive underground water drainage link of the gravity flow of the catchment channel, the cost is further reduced. The collected clean water flows into the external clean water warehouse, realizes repeated use, reduces resource waste, and is suitable for large-scale use and promotion in the field of coal mine water disaster prevention and treatment technology.

The utility model discloses a novel drainage device of corn fermentation tank belongs to corn fermentation tank technical field, including the jar body, the bottom cone bucket outer wall of jar body is provided with the drainage mechanism on the through -going, the drainage mechanism includes the first outer connection pipe of the through -going jar body, the first outer connection pipe is fixed with the screen in the one -end inner wall in jar body, the center of screen is rotatably installed with the rotating shaft, the rotating shaft is towards the one -end sleeve of scraper on jar body, the rotating shaft is towards the one -end sleeve of spiral blade on jar body, the utility model discloses a scraper, rotating shaft, driving motor with spiral blade etc.

The utility model discloses a kind of bottom mud dredging dehydration treatment devices, including processing frame, bottom plate is installed on the processing frame by placing assembly, the top of bottom plate is fixedly installed with multiple placing contact rollers, multiple placing contact rollers are placed with geotextile tube bag body, rotating knock assembly is provided on the processing frame, the rotating knock assembly is adapted with bottom plate, the top of the processing frame is installed with mounting block by lifting assembly, this bottom mud dredging dehydration treatment device, lifting assembly is set, in the natural gravity drainage process, telescopic pneumatic cylinder operation drives multiple extrusion rollers to move down, geotextile tube bag body can be extruded, water in silt in geotextile tube bag body can be quickly discharged, back-and-forth moving assembly is set, drive motor operation drives multiple extrusion rollers to move back and forth, it can also move back and forth while extruding, geotextile tube bag body can be quickly and effectively extruded and drained, and the drainage effect of internal silt is accelerated.

The invention relates to the technical field of indoor environment regulation and control equipment, and discloses a smart home indoor environment regulation and control device based on a six-constant system, which comprises an external machine body and a fan main body mounted on the outer wall of the external machine body, and an air treatment box is mounted in the external machine body; a dehumidification rotating wheel assembly and a heating main body are rotationally arranged in the air treatment box, a gravity drainage structure depended on by traditional condensation dehumidification is replaced, the internal layout of the device is greatly simplified, and the design and installation difficulty is reduced; water vapor in air is quickly captured through the capillary action and molecular adsorption force of the material surface, the regeneration sector enables the adsorbed water vapor to be vaporized and then discharged through the exhaust main body by means of hot air flow generated by the heating main body, and the risk of condensate water leakage is completely eradicated from the source. Meanwhile, the dehumidification process of the treatment sector and the regeneration process of the regeneration sector are synchronously carried out on the same rotating wheel through the coaxial rotating design, the airflow path loss is reduced, and the indoor humidity regulation and control efficiency is improved.

This invention relates to the field of tunnel engineering technology, and more particularly to a three-dimensional tunnel drainage system and an intelligent tunnel drainage method. The three-dimensional tunnel drainage system includes a drainage well module for preventing water loss. Within this module, a circumferential drainage pipe is fixedly installed along the contour of the tunnel face on the inner wall of the tunnel lining, with both ends connected to drainage ditches on either side of the tunnel. Multiple uniformly arranged gravity drainage pipes are installed on the circumferential drainage pipe, which collect water within the tunnel's surrounding rock and intercept soil particles at corresponding layers. Both sides of the circumferential drainage pipe are connected to capillary drainage pipes. The first end of each capillary drainage pipe is connected to a drainage ditch, and the second end extends into the soil beneath the tunnel foundation. These capillary drainage pipes adsorb pore water from the soil through capillary action. This invention organically integrates gravity drainage and capillary drainage, systematically solving the problem of soil particle migration during the drainage process and ensuring effective drainage.

The invention discloses a method for longitudinally regulating and controlling high-point linear fireflooding of a thick-layer blocky heavy oil reservoir, and belongs to the technical field of oilfield development geology. According to the technical scheme, a fireflood well group is divided into two areas, namely a continuous interlayer area and a non-continuous interlayer area, according to the boundary of the continuous interlayer for blocking gravity drainage and the development condition of the continuous interlayer of a block; according to the gravity oil drainage tracks of different areas, oil well production well sections are optimally configured in a zoning mode; in the continuous interlayer area, the gravity oil drainage high-temperature section is located on L51 + 2, an oil well in the continuous interlayer area is away from an L51 small layer, an L52 small layer is selectively injected, and thermal communication of an L52 oil layer is strengthened; and in the discontinuous interlayer area, the gravity oil drainage high-temperature section gradually descends to the L54 small layer from the L51, and the huff and puff guide effect well section also descends to the L54 small layer from the L51, so that the thermal communication between the high-temperature area and the low-temperature area is enhanced. The method has the beneficial effects that through scientific analysis, accurate division and reasonable configuration, the fireflooding effect, the crude oil recovery rate and the operation safety are remarkably improved, and the method has great significance in promoting efficient development of thick-layer blocky heavy oil reservoirs.

This invention discloses a negative pressure pumping silo storage process for wet sand. Wet sand with a moisture content ≥13.5% (prepared or separated) is transported to a vertically erected silo for storage. Gravity drainage is achieved using a gravity field. The downward-flowing capillary water, under the influence of the vertical gravity field, rapidly descends to the lower part of the silo. A water-repellent ring is installed at the bottom of the silo, collecting all the downward-flowing capillary water and isolating the accumulated capillary water at the bottom of the silo outside the sand discharge port, separating excess water beyond the bound water of fine sand, ultrafine sand, and tailings. The collected capillary water is then channeled through an air-water mixing pipe to form a capillary water penetration zone. The air-water mixing pipe is connected to a jet negative pressure pumping device via a main pipe for negative pressure pumping, ultimately obtaining qualified sand with capillary water and a moisture content of less than 10%, similar to the naturally bound water content of fine sand, ultrafine sand, and tailings, completely eliminating leakage during transportation.

The utility model discloses a diversion anti-backflow ship drainage structure, and relates to the technical field of ship drainage, the diversion anti-backflow ship drainage structure comprises a deck, one side of the deck is provided with a barrier plate, the lower part of the barrier plate is provided with a connecting pipe, the lower part of the connecting pipe is connected with a communicating pipe, and the communicating pipe is connected with a water inlet pipe. The device comprises a communicating pipe, one end of the communicating pipe is connected with a gathering pipe, the lower portion of the gathering pipe is provided with a backflow prevention assembly, the backflow prevention assembly comprises a cleaning bin and a turbofan, the cleaning bin is installed at the bottom end of the gathering pipe, and the inner wall of the cleaning bin is slidably connected with a filter plate. Impurities are intercepted in a layered mode through the screen and the filter plate, the pipeline blocking risk is reduced, and normal backflow prevention work is guaranteed. The turbofan drives the brush to automatically clean the filter plate, so that the manual maintenance frequency is reduced. Drainage depends on gravity in daily life, a pump is started to accelerate drainage under extreme working conditions, and energy consumption and efficiency are both considered.

The invention relates to the technical field of path control, and discloses a flight control method special for a hydrogen energy unmanned aerial vehicle, which comprises the following steps: carrying out dimensionless time alignment on a multi-source sensing state, and extracting an inverse gravity drainage exposure memory amount reflecting historical accumulation of a bad attitude; the energy supply fragility degree of a future path section is predicted by utilizing inverse gravity drainage exposure memory amount feedforward, the power proportion of a battery and a super capacitor is allocated in advance according to the energy supply fragility degree, and meanwhile, the hydrogen emission frequency is regulated and controlled. In addition, the memory amount and the energy supply gap are jointly incorporated into the path optimization cost to remodel the safe flight route and travel speed. According to the method, time dislocation between transient obstacle avoidance and bottom layer energy response is eliminated, and the long-endurance operation robustness of equipment under complex working conditions is remarkably improved.

The invention discloses an automatic drainage device and method for a new energy automobile air reservoir, and relates to the field of new energy automobiles, the automatic drainage device comprises an air inlet cylinder body, a drainage shell, a sealing top cover, a drainage pipeline and a drainage connector, the air inlet cylinder body is located on one side of the drainage shell, and the sealing top cover is fixedly installed at the upper end of the drainage shell. According to the automatic drainage device and method for the new energy automobile air reservoir, wind power generated in the operation process of a new energy automobile is used as a power source, extra electric power or external energy is not needed, the complete automation of the drainage process is achieved, accumulated water at the bottom of the air reservoir is rapidly sucked through the drainage pipeline, and the drainage efficiency is improved. Compared with traditional gravity drainage or passive valve control drainage, the rotary water suction mode has the advantages that higher efficiency is achieved, air pressure in the air storage cylinder is increased, the drainage process is assisted, drainage difficulty caused by negative pressure of the air storage cylinder is effectively prevented, and drainage efficiency and reliability are improved.

The application discloses a kind of soft interlayer containing slope reinforcement device and method thereof, belong to geotechnical engineering slope reinforcement technical field, including retaining wall and anchor cable, unit is equipped with supplementary plate and is elastically connected, there is water storage component in the side of slope near retaining wall, water tank is arranged at the top of retaining wall, there is water suction component extending to the slope in retaining wall, push component contains connecting barrel, connecting ring, outer ring, flexible pad, bellows, pump body is connected with water suction pipe through three-way pipe in water tank place drainage underground main pipe;The application realizes supporting, anchoring and drainage cooperation by integrating modular multiple retaining wall units, prestressed anchor cable and deep drainage system, overcomes the poor synergy of traditional measures. The setting of water suction component, the active suction of pump body, efficient reduction of pore water pressure, solves the problem of passive inefficiency of traditional gravity drainage. Spring supplementary plate between retaining wall units can elastically adapt to uneven deformation of slope, realize stress redistribution, and its displacement can be monitored and early warned.

The present disclosure generally relates to harvesting geothermal energy from mature and near end-of-life oil and gas reservoirs that have been subjected to secondary oil recovery steam processes like steam-assisted gravity drainage (SAGD), steamflood, etc. The geothermal potential of these mature SAGD reservoirs can be used to generate green electricity thus reducing the greenhouse gas (GHG) footprint of the oil production. Lateral spacing of injectors and producers, with closing of unused members of a well-pair for energy recovery is described.

This application discloses a control method and control system for an autonomous inspection robot of pumped-storage gravity drainage tunnels, belonging to the field of autonomous inspection technology for pumped-storage gravity drainage tunnels. The method includes: generating an initial semantic cross-section by projecting visual features onto a laser point cloud; eliminating accumulated errors and matching absolute station numbers through a tightly coupled visual-laser-inertial navigation factor map to construct a precise semantic cross-section; subsequently, adaptively calling a composite execution head for dredging based on the siltation type and average thickness identified by semantic segmentation; and finally, calculating the thickness reduction rate by reversing and comparing the cross-section, achieving autonomous return upon reaching the target using a closed-loop iteration and benchmark freezing mechanism. This application achieves precise matching of the execution head based on the physical characteristics of siltation and dredging depth determined by thickness, combined with closed-loop quantitative control of dredging-re-inspection-correction, effectively avoiding ineffective operations and over-excavation, and greatly improving the precision and unmanned level of tunnel dredging.

The invention relates to the technical field of petroleum and natural gas and coal bed gas development engineering, and discloses a well type adaptation-based steeply-inclined multi-coal-bed horizontal well coal bed gas development method, which comprises the following steps of: evaluating the stability of a rock interlayer based on geomechanical parameters and taking the rock interlayer as a rock bridge; drilling a main shaft with a raising dip angle of 1-3 degrees in the rock bridge along the stratum trend, and drilling radial branch holes which are arranged in a staggered manner towards the coal seams on the left and right sides; a variable stiffness transition locking module comprising an interlayer slippage joint is installed at the joint of the main shaft and the branch hole; the stress shielding effect of a rock bridge is utilized to overcome the branch hole fracturing problem, and collaborative reservoir transformation is carried out; and on the basis of the uplift gradient of the main shaft, staged drainage and mining of first single-phase gravity drainage and then gas-liquid two-phase flow production are executed. According to the method, the adaptive uplift well type structure is constructed and interlayer stress is decoupled, so that the problems that a shaft of a steeply-inclined stratum is prone to shear failure, a multilateral well is difficult to fracture and accumulated liquid is discharged and mined are solved, and safe and efficient development of multi-coal-seam resources is achieved.

Disclosed herein is a metallurgical furnace and roof having a drain system. The roof has a roof body comprising a top surface having a center opening, a bottom surface opposite the top surface, and an outer sidewall connecting the top surface to the bottom surface. The outer sidewall, the bottom surface and the top surface define an interior portion. An internal spray cooling system is disposed in the interior portion of the body. A drain system is integral with the body. The drain system has a roof evacuation conduit disposed outside the interior portion and configured to collect spay coolant from the interior portion of the body. The drain system additionally has a drain box having a vent and an exit pipe, wherein the roof evacuation conduit channels spent coolant by gravity into the drain box which is evacuated under gravity by the exit pipe.

The invention relates to the technical field of condensed water recovery, in particular to a closed condensed water recovery device which comprises a tank body with a water outlet pipeline at the bottom, and the inside of the tank body is separated from a middle steam buffer area, a lower condensed water collection area and an upper negative pressure condensation area through two horizontal partition plates. According to the closed condensed water recovery device, power components such as a pump body do not need to be additionally arranged, the core depends on the falling potential difference of condensed water in the negative-pressure condensation area and negative pressure formed by steam condensation as drainage driving force, energy of the system is fully utilized, dependence on external power is eliminated, and operation energy consumption is remarkably reduced; condensate water guided in by the falling potential drainage pipe forms falling potential impact and is matched with negative pressure guided in by the negative pressure air guide pipe to form double drainage driving, and compared with traditional single gravity drainage, the power is higher, and the efficiency is higher; and meanwhile, condensate water in the pipeline is driven to conduct reciprocating flushing, the whole area of the pipeline can be fully covered, impurity deposition in different sections is thoroughly removed, and the anti-blocking effect is better than that of single-direction disturbance.

The invention relates to the technical field of automobile engine tests, in particular to an engine hot test bench cooling liquid purging method and device and a vehicle. The method comprises the steps that after a hot test is finished, the gas-liquid mixing ratio of fluid in an engine is detected; the residual liquid amount of the cooling liquid is determined according to the fluid gas-liquid mixing ratio; and according to the residual liquid amount, generating a vibration excitation action of the electromagnetic vibration exciter to execute the vibration excitation action so as to purge the cooling liquid of the engine hot test bench, and ending purging until the residual liquid amount is smaller than a preset threshold value. Therefore, the problems that in the related technology, due to attachment of liquid to a water channel and a complex water channel structure, residual liquid is difficult to completely remove by driving cooling liquid or gravity drainage depending on compressed air, due to the fact that complex pipeline butt joint is needed in manual operation, consumed time is long, purging efficiency is low, and a large amount of compressed air is consumed in fixed purging, and the cost is low are solved. And resource waste caused by incapability of timely closing is avoided.

Drinking, process and / or fire-fighting water system comprising a storage tank (1) and a control system, wherein the storage tank (1) has a water supply line (2) and a water pressure line (3), characterized in that an emergency drain (6) for discharging larger quantities of water is arranged in the storage tank (1) and that the emergency drain (6) has pipes and that in each of these pipes a pipe end arranged in the storage tank (1) is arranged below a pipe end located outside the storage tank (1), so that, in the case of emergency drainage, the pipes are completely filled with water, contrary to known gravity drainage systems, so that a negative pressure is created and increased flow velocities ensure a higher transport of the quantities of water.Drinking, process and / or fire-fighting water system comprising a storage tank (1) and a control system, wherein the storage tank (1) has a water supply line (2) and a water pressure line (3), characterized in that an emergency drain (6) for discharging larger quantities of water is arranged in the storage tank (1) and that the emergency drain (6) has pipes and that in each of these pipes a pipe end arranged in the storage tank (1) is arranged below a pipe end located outside the storage tank (1), so that, in the case of emergency drainage, the pipes are completely filled with water, contrary to known gravity drainage systems, so that a negative pressure is created and increased flow velocities ensure a higher transport of the quantities of water.

Plant support equipment includes trays each have a plant-supporting surface and a series of grooves or channels extending below the pot-supporting surface. The plant support trays have water runoff troughs that receive runoff water from the grooves or channels. The plant support trays may be configured to provide gravity-based drainage while supported on a horizontal frame or rack or platform, or may be configured to provide drainage while supported on an angled frame or rack or platform.

This invention discloses a method for reinforcing soft soil foundation roads in open-pit mines prone to deformation and frost heave. The method employs directional drilling to install drainage pipes, followed by a shallow layer of metal mesh and geotextile on the road surface. This eliminates the need for excavation and damage to the original road structure, significantly reducing interference with open-pit mine transportation operations, shortening the construction period, and enabling simultaneous road reinforcement and transportation. The inclined metal drainage pipes allow for gravity drainage of groundwater, fundamentally addressing the core issue of water-bearing softening in soft soil foundation roads. An electric field drives the reaction of ions with soil particles, forming a high-strength consolidated body, effectively preventing the recurrence of frost heave and ensuring long-term stable reinforcement. The three-layer composite structure of geotextile, metal mesh, and grouting pipes provides both seepage prevention and drainage, while also distributing vehicle loads, reducing road wear, and extending road lifespan. The electrochemical reaction materials do not release toxic or harmful substances, preventing soil and groundwater pollution and meeting the requirements of green mining development.

Disclosed is an e-methanol SAGD plant system applicable to unconventional oil production areas capable of producing e-methanol using CO2 and carbon-reduced green hydrogen generated by a plant configured to recover bitumen using only a mixture of eco-friendly hydrogen generated by a water electrolysis apparatus and natural gas and steam instead of expanding solvent SAGD (ES-SAGD), which is a recovery method using steam, natural gas, and an additive (a solvent) used to reduce the steam-to-oil ratio (SOR), which impacts environmental pollution, when recovering an oil component from subterranean oil sands based on the widely adopted steam-assisted gravity drainage (SAGD) technology, among methods of recovering bitumen from oil sands.

The invention relates to the technical field of medical instruments, in particular to a postoperative drainage device which is used for solving the problem that an existing drainage device cannot meet various drainage requirements easily. The device comprises a gravity drainage mechanism, a peristaltic drainage mechanism and a negative pressure drainage mechanism, the gravity drainage mechanism comprises a drainage bottle, the drainage bottle is communicated with a drainage tube, and a taper hole is formed in the top wall; the peristaltic drainage mechanism is used for applying pressure to the drainage tube to generate drainage negative pressure; the negative-pressure drainage mechanism comprises a negative-pressure pipe communicated with the drainage bottle and a negative-pressure pump arranged on the negative-pressure pipe, and when the negative-pressure pump operates, the taper hole is in a blocked state; when the gravity drainage mechanism operates, the peristaltic drainage mechanism and the negative pressure drainage mechanism stop operating, and when the gravity drainage mechanism stops operating, the peristaltic drainage mechanism and / or the negative pressure drainage mechanism operate; when the negative pressure in the drainage tube is increased, the peristaltic drainage mechanism and the negative pressure drainage mechanism operate synchronously to generate pulse negative pressure; the device can meet different drainage requirements.

The utility model relates to the technical field of drainage, and discloses a drainage device for a bathtub, which comprises an overturning mechanism for clamping and overturning the bathtub, an air supply mechanism, a control box connected with the air supply mechanism and used for controlling the air supply mechanism to start and stop, and an air injection pipeline connected with the control box, the gas supply mechanism is used for providing gas for the gas injection pipeline; the free end of the air injection pipeline is used for being inserted into a nozzle of a bathtub. Through gravity drainage of the turnover mechanism and cooperative work of the air supply mechanism and the air injection pipeline, the problem that residual water in the bathtub water channel is difficult to rapidly and thoroughly drain is effectively solved, and the drainage efficiency is greatly improved.

The utility model discloses a gas engine drainage device, including intercommunication to have the air inlet pipe of the outer wall fixed of intercommunication to have the air outlet pipe of the outer wall fixed of intercommunication to have the docking sleeve of the outer wall fixed of the intercooling ware body, the inner wall screw thread connection of docking sleeve has the round cover, the outer wall fixed cover of round cover is equipped with annular rubber pad, the inner wall screw thread connection of round cover has the inner cover, the bottom fixed connection of inner cover has the knurled knob. The utility model discloses when the condensate water gathers to a certain amount, the drainage passage is opened by the floating of the float, and the water level is reduced and is automatically reset sealing, does not need manual operation or relies on single gravity drainage, effectively solves the problem of the quick accumulation of condensate water in damp, rainy weather, and the problem of retention is effectively solved. In addition, the arc-shaped wire mesh can block impurities in the condensate water, avoid channel blockage and component jamming, avoid the docking sleeve of condensate water ice blockage through the electric heating rod, and improve the overall operation efficiency.

The utility model belongs to the technical field of building construction, and particularly relates to a drainage structure suitable for a planting roof and the planting roof. The drainage structure comprises a retaining wall arranged on the roof, a three-dimensional rectification layer and a drainage channel. The retaining wall comprises a planting soil side and a drainage side; the drainage channel is formed in the bottom of the retaining wall and penetrates through the planting soil side and the drainage side; the three-dimensional rectification layer is made of a permeable material and comprises a gravity guide surface at the top and a seepage guide surface at the side part; the three-dimensional rectification layer is connected with a planting soil side opening of the drainage channel; a first drainage path sequentially passing through the planting soil layer, the three-dimensional rectification layer and the drainage channel in the gravity drainage direction and a second drainage path sequentially passing through the planting soil layer, the three-dimensional rectification layer and the drainage channel in the seepage drainage direction are formed on the planting roof at the same time. The utility model has the dual functions of guiding the drainage flow direction and intercepting the planting soil loss, uses the horizontal drainage channel, and is widely compatible with various drainage systems.

The utility model relates to building drainage technical field especially, more particularly to a garage roof rainwater guide device, include: diversion well, set up diversion well on garage roof, and the vertical depth of diversion well extends to underground building gravel water storage layer, gravity drainage structure, gravity drainage structure links to each other with diversion well, is used for guaranteeing that rainwater preferentially enters diversion well, after multilevel composite structure, enters underground building gravel water storage layer and carries out water discharge, and guaranteeing that the excess rainwater in diversion well flows into municipal rainwater pipe network, multilevel composite structure, multilevel composite structure includes rainwater filter layer, rainwater storage layer and anti -permeation protection layer that set up in order from top to bottom. The present application has the advantages of high space utilization, no energy consumption operation, high function integration degree.

The utility model relates to the technical field of slide dyeing tank, especially to slide dyeing tank convenient to waste liquid collection, its technical scheme includes the dyeing tank body and sets up the funnel base at the bottom of dyeing tank body, the bottom mounting of funnel base has the drain pipe. The utility model discloses the cooperation of dyeing tank body, pumping mechanism, liquid discharge mechanism etc. parts, when using slide dyeing tank, through pressing presser plate and driving push plug to move, make the waste liquid in the dyeing tank body into pumping pipe through funnel base, drain pipe and first check valve, after loosening presser plate, reset spring drives push plug reset, and the waste liquid is arranged into special container through liquid outlet hole, connecting pipe, second check valve and liquid outlet pipe. This cooperation mode gets rid of the dependence of gravity drainage, reduces the requirement to the placement environment, avoids the problem of poor drainage caused by the limitation of site, realizes the standard collection of waste liquid, reduces the pollution risk, improves the waste liquid collection efficiency and convenience.