438 results about "Water extraction" patented technology

The invention relates to the technical field of astragalus polysaccharide, in particular to an extraction method of astragalus polysaccharide. An extraction method of astragalus polysaccharide comprises the following steps: primary water extraction, secondary water extraction, vacuum concentration, primary alcohol precipitation, secondary alcohol precipitation and purification, specifically, the primary water extraction comprises the following steps: soaking astragalus with a weakly alkaline solution, heating until boiling, extracting, and filtering to separate primary precipitate and primary extract; the weakly alkaline solution is used in the primary water extraction step, so that cell walls are damaged, the solubility of the polysaccharide is improved, the release of the polysaccharide is promoted, and the extraction rate of the astragalus polysaccharide is remarkably improved.

The invention discloses a multifunctional fully-degradable mulching film with water taking, slow release and soil improvement functions and a preparation method thereof, and belongs to the technical field of agricultural mulching films. The method comprises the following steps: preparing a PVA aqueous solution; the preparation method comprises the following steps: extracting a 3-8wt% nano cellulose solution from plant fibers by a two-step DES method; preparing a silicon source dispersion liquid; adding 10 parts of a nanocellulose solution, 1.25 parts of a silicon source dispersion liquid and 20 parts of glycerol into 100 parts of a PVA aqueous solution to obtain a film coating liquid; adding humic acid and an ion-based fertilizer into the film coating liquid, uniformly mixing, and carrying out curtain coating and drying to form a base film; the preparation method comprises the following steps: preparing 8-12wt% of a hydrophobic degradable material solution, and performing electrostatic spinning on a base film by using the solution to form a Janus structure, thereby obtaining the multifunctional full-degradable mulching film which can realize water extraction from air. The device has a function of taking water from air and a fertilizer slow release function, can release different fertilizers in a gradient manner, and meets the requirements of plants in different growth cycles. After being used, the soil conditioner can be directly turned into soil, the rest part directly acts with the soil, and PVA and humic acid synergistically improve the soil environment.

The invention discloses an energy efficiency improving system for a shallow buried pipe heat exchanger. A closed or semi-closed heat storage area unit is arranged in a surrounding mode through area heat insulation plates. The heat storage area unit comprises a plurality of heat storage wells, a plurality of shallow water lifting wells, a plurality of deep water lifting wells, a plurality of solar water heaters, a heat storage water tank, a plurality of U-shaped vertical buried pipes and a ground source heat pump machine room; the buried depth of the regional heat insulation plate is arranged in soil of an earth crust constant temperature zone and penetrates through an earth crust daily variable temperature zone and an earth crust annual variable temperature zone from top to bottom, the buried depth H of the regional heat insulation plate is larger than or equal to H2 + 0.5-1 m, and H2 is the depth of the annual variable temperature zone; the heat storage well is of an inner and outer sleeve type hollow structure provided with a plurality of horizontal branch pipes shaped like a cross or a Chinese character'jing ', and the horizontal branch pipes are arranged in soil of a crustal annual variable temperature zone and a constant temperature zone. The buried depth H of the upper horizontal branch pipe is greater than or equal to H1 + 0.5-1m, and the buried depth H of the lower horizontal branch pipe is greater than or equal to H2 + 0.5-1m; h1 is the daily variable temperature zone depth, and H2 is the annual variable temperature zone depth.

This application relates to the technical field of astragalus polysaccharides, and specifically relates to a method for extracting astragalus polysaccharides. A method for extracting astragalus polysaccharides includes the following steps: primary water extraction, secondary water extraction, vacuum concentration, primary alcohol precipitation, secondary alcohol precipitation, and purification. Among them, in the primary water extraction: soak astragalus with a weak alkaline solution, then heat to boiling and carry out extraction, and filter to separate the primary precipitate and the primary extract. By using a weak alkaline solution in the primary water extraction step, this application destroys cell walls, increases the solubility of polysaccharides, and promotes the release of polysaccharides, significantly improving the extraction rate of astragalus polysaccharides.

The invention discloses a blocking, lifting, storing and supplementing four-in-one rainwater collecting and supplementing system for a dry farmland, which relates to the field of irrigation and comprises a water blocking unit, a photovoltaic power generation water lifting unit, a high-level water storage unit and an irrigation and water supplementing unit, the water retaining unit comprises a dam arranged in a ditch and is used for intercepting and storing constant water flow or seasonal water flow of a river channel and supplying water to the irrigation water supplementing unit for irrigation; the photovoltaic power generation water lifting unit comprises a photovoltaic power generation assembly and a water pump water lifting assembly, the photovoltaic power generation assembly is used for converting solar energy into electric energy, and the water pump water lifting assembly is used for transferring water stored in the water blocking unit to the high-position water storage unit through a water pump and a water pipe which communicate with each other; the high-position water storage unit comprises a water storage container located at the high position and is used for water supply of the irrigation water supplementing unit for irrigation. The water retaining unit, the photovoltaic power generation water lifting unit, the high-position water storage unit and the irrigation water supplementing unit are combined with one another, water retaining, water lifting, water storage and irrigation are integrated, and the utilization rate of rainwater resources can be remarkably increased.

The present invention discloses a water recycling and auxiliary irrigation device for garden landscapes, specifically relating to the field of garden irrigation, comprising a cultivation mechanism, the cultivation mechanism comprising a base, a water receiving tray fixedly mounted on the outer wall of the base, a plurality of planting racks provided on the top of the water receiving tray, a water storage barrel fixedly connected to the top of the base, a first water pumping pipe provided between the water storage barrel and the water receiving tray, and a first one-way valve fixedly installed at the connection between the first water pumping pipe and the water receiving tray, an irrigation mechanism provided in the inner cavity of the water storage barrel, a top cover provided on the top of the water storage barrel, and the irrigation mechanism comprising a threaded hollow pipe rotatably mounted inside the top cover. By providing the irrigation mechanism, the present invention enables the irrigation range of the nozzle to change with the height of the hollow water pipe during irrigation, thereby avoiding the need for conventional fixed irrigation points. At the same time, a recycling mechanism is provided to fully collect and utilize rainwater, thereby being more environmentally friendly, resource-saving, and more convenient for practical use.

The present invention provides a method, device, electronic device and storage medium for extracting water from remote sensing images. The method comprises: constructing an expression of a water index based on the reflectance spectral characteristics of objects in a region to be studied; acquiring a reflectance remote sensing image of the region to be studied, and determining a remote sensing water index map based on the reflectance remote sensing image and the expression of the water index; extracting a water region in the remote sensing water index map based on the remote sensing water index map and the reflectance remote sensing image. The method, device, electronic device and storage medium for extracting water from remote sensing images provided by the present invention construct an expression of a water index based on the reflectance spectral characteristics of objects in a region to be studied, which can not only improve the accuracy of water extraction from remote sensing images, but also realize simple and quick water extraction from remote sensing images.

The utility model relates to a soil pressure gauge embedding structure for short pipe replacement construction, which comprises a probe hole arranged at the top and the side edge of a pipeline, a paddle binding bag arranged at the bottom of the probe hole, slurry in a soft plastic state filled in the paddle binding bag, and a soil pressure gauge arranged in the paddle binding bag and perpendicular to the radial direction of the pipeline. The soil pressure gauges in the probe holes right above the pipeline are horizontally arranged, and the soil pressure gauges in the probe holes on the two sides of the pipeline are laterally arranged, so that the formation pressure change can be effectively conducted to the soil pressure gauges, and the accuracy of monitoring results of the soil pressure gauges is ensured; the bottom of the water pumping pipe is wrapped with geotechnical cloth to prevent the sand from entering the water pumping pipe and blocking the water pumping pipe; the top of the water pumping hole is backfilled with clay to prevent surface water from entering a soil layer around the pipeline through the water pumping hole; the bearing capacity of the soil layer is reduced; and the pipeline structure safety is influenced.

An outdoor misting fan and a cooling device. The outdoor misting fan includes a fan atomization assembly including a atomizer and a lower housing, an installation assembly including a cylinder connected with the lower housing, an elastic clamping piece sleeved outside the cylinder and a guiding member, and a battery located inside the cylinder and electrically connected to the fan atomization assembly. The elastic clamping piece can adapt to various types of water storage bottles, and during assembly, the cylinder is directly placed inside the water storage bottle, which increases the available space for the battery. Users do not need to carry bottle when carrying the outdoor misting fan, as commercially available water bottles can be easily fitted and used as a handle. The internal cylinder not only provides additional space for the battery but also facilitates water extraction, which meet the users' needs for long-term and portable usage.

The invention belongs to the technical field of livestock breeding, and particularly relates to a livestock breeding waste circulating treatment device which comprises a breeding pond. The outer wall of the culture pond is fixedly connected with a first step; a second step is fixedly connected to the position, close to the first step, of the inner wall of the culture pond. Two separation pore plates are fixedly connected to the inner wall of the culture pond and located at the bottom of the second step; according to the livestock breeding waste circulation treatment device, through layered treatment, automatic control and resource recovery, efficient treatment of sewage in the breeding pond is achieved, meanwhile, waste is recycled, environmental protection benefits and economical efficiency are achieved, the sewage in the breeding pond is divided into an upper layer, a middle layer and a lower layer, and the sewage in the breeding pond is recycled. The first water pump is matched with the two first water pumping plates to pump and filter sewage on the upper layer and the middle layer, the specially-made second water pump treats sewage on the lower layer, the device can detect the sewage treatment degree through a sensor and an automatic control system, a corresponding treatment program is started, and automatic and continuous treatment circulation is ensured.

According to the embodiment of the utility model, the bottom mud eliminating system comprises an underwater robot and a floating type mobile water purification station, the underwater robot comprises a walking mechanism, an isolation mechanism, a disturbance mechanism and a muddy water extraction mechanism, and the walking mechanism comprises an underwater motor and a movement mechanism; the isolation mechanism comprises a housing and a water inlet formed in the lower part of the housing; the disturbance mechanism is hermetically connected with the housing, and at least one part of the disturbance mechanism is arranged in the housing; an inlet of the muddy water extraction mechanism is hermetically connected with the housing, and an outlet is connected to the floating type mobile water purification station through a muddy water pipeline; the floating type mobile water purification station comprises a coagulant adding unit in which a medicament is stored, a flocculation mixing pipeline, a separation and precipitation unit and a sludge discharge unit; the flocculation mixing pipeline is communicated with the coagulant adding unit and the muddy water pipeline; the separation and precipitation unit comprises a coarse precipitation area and a fine precipitation area; the sludge discharging unit is communicated with the collecting area. The sediment eliminating system is suitable for ecological dredging of different water bodies, and river cutoff is not needed.

The utility model discloses a sludge treatment device, which belongs to the technical field of sludge treatment and comprises an impurity screening part, a gravel screening part, a bottom mud screening part and a mud-water separation part, the sundry screening part comprises a feeding hopper and a sundry intercepting mechanism, and the sundry intercepting mechanism comprises a screening grid and a sundry conveying mechanism; the gravel screening part comprises a gravel settling chamber, the gravel settling chamber comprises a muddy water area and a gravel area, the muddy water area is communicated with the feeding hopper, a muddy water extraction mechanism is arranged in the muddy water area, and a gravel delivery mechanism is arranged in the gravel area; the gravel screening part comprises a bottom mud settling chamber, the bottom mud settling chamber comprises a settling area and a drainage area, a water distributor and an inclined tube matrix are arranged in the settling area, a bottom mud conveying mechanism is arranged in the settling area, and an overflow port is formed in the drainage area; the mud-water separation part comprises a mud inlet, a mud outlet and a water outlet, and the water outlet is communicated with the water drainage area. Impurities and sand grains in sludge can be screened out, sludge-water separation is carried out on the sludge, the water content and the sand content of discharged sludge are reduced, and the fine silt content in discharged water is reduced.

The present invention discloses a stratified water sampling device for water quality testing, which belongs to the field of environmental monitoring and includes a mother chamber and a sampling device. The mother chamber includes an installation chamber and a pressure chamber. The installation chamber is arranged on the top of the pressure chamber, and the top of the installation chamber is open. The sampling device is arranged in the installation chamber. The sampling device includes a collecting bottle and an opening and closing mechanism, and the opening and closing mechanism is slidably arranged in the collecting bottle. The present invention can more accurately perform fixed-depth stratified sampling of water bodies, and can cope with various water body conditions by adjusting the water pressure. According to needs, multiple devices of the present invention can be bundled and centrally released through external equipment. A single release can complete the sampling of multi-layer water bodies, which is more efficient. In addition, the split design of the collecting bottle makes it easier to take and transport after sampling is completed.

The invention discloses an ecological protection structure for a reservoir hydro-fluctuation belt and an application method.The ecological protection structure comprises a water storage pond, a photovoltaic panel and a vegetation groove which are sequentially arranged on a slope surface from top to bottom, the water inlet end of the water storage pond is connected with a water body in a reservoir through a water pumping pipe, and the water outlet end of the water storage pond is connected with the top of a water passing pipeline passing through the photovoltaic panel through a drainage pipeline; the bottom of the water passing pipeline is connected with the top of the drip irrigation pipeline, and the bottom of the drip irrigation pipeline penetrates through the vegetation groove and is connected with water in the reservoir. The slope bottom water resource is reasonably utilized to improve the power generation efficiency of the photovoltaic panel, accurate irrigation of plants is achieved in a drainage pipeline drip irrigation mode, waste of the water resource is avoided, redundant water flows back to the slope bottom water body through a pipeline, and a clean water source is supplemented for the water body.

The present invention discloses a raw brine treatment system and a raw brine treatment method suitable for lithium extraction from salt lakes. The raw brine treatment system comprises: an ion exchange adsorption unit, the ion exchange adsorption unit comprises an adsorption tower, a part of the raw brine to be treated enters the adsorption process of the adsorption tower for adsorption treatment, and then is desorbed with desorption water in the desorption process; a desorption water extraction unit, another part of the raw brine to be treated and / or part of the adsorption tail liquid of the ion exchange adsorption unit enters the desorption water extraction unit, the desorption water extraction unit extracts desorption water from the raw brine and / or the adsorption tail liquid entering the desorption water extraction unit, and the desorption water extraction unit is connected to the ion exchange adsorption unit; a recovery unit, the recovery unit is connected to the ion exchange adsorption unit and the desorption water extraction unit. The above raw brine treatment system can alleviate or solve the problem that a large amount of process water required for desorption treatment needs to be provided by an external water source and the problem of difficulty in external discharge of tail brine.

Apparatuses and methods for providing carbon dioxide direct air capture (DAC) systems to improve energy efficiency, operability, and economic performance of DAC technologies based on several types of approaches including temperature swing adsorption (TSA), pressure swing adsorption (PSA), and moisture swing adsorption (MSA) are disclosed. In particular, DAC apparatuses including a first water extraction unit, a process unit comprising a second water extraction unit, a carbon dioxide capture unit, and a water release unit are disclosed. The present disclosure also provides a logic control system for a preconditioner for the proposed DAC apparatus, including a controller, and one or more control elements in communication with the fluid streams, where the controller is configured to adjust temperature, water content, or combination thereof of the second fluid stream, third fluid stream, or both to pre-determined ranges based on the cost to capture carbon dioxide on a net removal basis.

The invention belongs to the technical field of building group flood influence analysis, and provides a rural building group flood disaster loss assessment method and system for solving the problem that the accuracy of an assessment result is low due to the fact that an existing building flood loss function does not fully consider uncertainty factors in the loss assessment process. The method comprises the following steps: simulating a dynamic evolution process of a flood disaster by adopting a hydrodynamic model to obtain an inundation depth map and a maximum inundation depth map; comparing the submerging water depth map with the SAR image water body extraction data and the social media data to obtain a flood simulation result; combining the building classification information with the maximum submerging depth map to obtain the submerging depth of each building; calculating component information of the building; according to the component information and the submerging depth, building flood vulnerability analysis is carried out, and the total loss of all buildings is determined; and evaluating the effect of the current disaster prevention measure according to the total loss under different disaster prevention measures. The method can provide a scientific basis for building flood loss assessment and disaster prevention decision.

The invention relates to the technical field of water conservancy and hydropower construction, in particular to water quality detection equipment in water conservancy and hydropower construction, which comprises a movable seat and a fixed ring fixedly connected to the movable seat, a barrel is fixedly connected to the inner side of the fixed ring along the circumferential direction, an air cylinder is fixedly connected to the inner side of the barrel, and a detection head is fixedly connected to the end part of a telescopic rod of the air cylinder; u-shaped plates are symmetrically and fixedly connected to the top of the movable seat. An electric winding roller is started to rotate forwards to loosen a hose, the hose drives a water pumping head to move downwards into water, then a water pump is started, the water pump pumps water through the water pumping head, the water firstly makes contact with a mesh enclosure, the mesh enclosure filters impurities in the water, the water with the impurities filtered out continues to flow upwards to be pumped and collected, and water quality detection is completed. Meanwhile, water flow further drives an impeller to rotate, the impeller rotates to drive a rotating rod to rotate, the rotating rod drives a scraper to rotate through a bevel gear and an outer gear ring, and the scraper rotates to scrape impurities attached to the mesh enclosure so as to prevent blockage from affecting water extraction, so that the subsequent water quality detection efficiency is improved.

The invention discloses an automatic water body extraction method based on a decision tree and a random forest, and relates to the technical field of water body remote sensing monitoring, the method is based on multispectral remote sensing data, through water body index calculation, Hot index calculation and gradient calculation, rough classification results of water bodies, lands and clouds are extracted, and the rough classification results of the water bodies, the lands and the clouds are extracted; random sampling is carried out on the rough classification result to generate training samples of a water body, land and cloud; constructing a feature set containing spectral features, texture features and principal component transformation features; and inputting the training sample and the feature set, training a random forest model, and performing water body classification prediction on the remote sensing image by using the model. According to the method, a simple decision tree and a random forest are combined for water extraction, automatic extraction of samples is realized, automatic recognition of lake water is further realized, the water and shadows are effectively distinguished through gradient features and texture features, cloud and clear sky pixels are accurately separated by utilizing a hot index, the cloud is prevented from polluting training samples, and cloud layer interference is avoided.

The utility model provides a terrestrial heat exploitation and irrigation well and a terrestrial heat exploitation and irrigation system, and relates to the technical field of terrestrial heat wells, the terrestrial heat exploitation and irrigation well comprises a first well opening section and a second well opening section, a first well opening casing pipe and a second well opening casing pipe are respectively arranged in the first well opening section and the second well opening section, the first well opening casing pipe is connected with the second well opening casing pipe, and a first through hole is formed in the pipe wall of the second well opening casing pipe in a water exploitation layer. A second through hole is formed in the pipe wall, located on the recharge layer, of the second-section casing pipe; the central pipe is arranged in the first-opening casing pipe and the second-opening casing pipe in a penetrating mode, a packer and a water stop device are arranged between the central pipe and the second-opening casing pipe, the packer is arranged between the recharge layer and the water collection layer, and the water stop device is arranged below the packer in a spaced mode; the problems that in the prior art, a water production well and a recharge well are adopted for completing water production and recharge of geothermal water respectively, the operation process and later maintenance are relatively complex, and deployment is inconvenient are solved.

An atmospheric water vapor extraction device includes a supply of hygroscopic solution contained within reservoir which includes an evaporation chamber, a condensation chamber, a water latent solution within conduit, a solution container, and water depleted solution within a conduit. The conduits extend into the container to a level below the solution level within the container to prevent passage of air into the conduits. The water extraction device further includes potable water collection conduit and potable water container. The water collection conduit connects the condensation chamber to water container. The conduit extend into container to a level below the level of water within the container to prevent passage of air into the conduit and thereby maintain a level of vacuum within chamber that is representative of the weight of the water column within conduit and the vapor pressure of the water at the top.

The utility model discloses a polysaccharide water extraction system, and particularly relates to the technical field of saccharide extraction, the polysaccharide water extraction system comprises a supporting bottom plate, the top of the supporting bottom plate is fixedly connected with a liquid pump, a plurality of vertical rods and positioning rings located on one sides of the vertical rods, inserting rods are inserted into the tops of the vertical rods, and the two ends of each inserting rod are fixedly connected with a limiting block and a top block respectively; a fastening bolt is inserted into one side of the top end of the vertical rod, and a resin separation column is arranged on one side of the vertical rod. According to the device, firstly, the plurality of resin separation columns are connected in series, so that sugar components can be extracted from raw material liquid in a grading manner, the liquid in required steps can be extracted as required by rotating the three-way valve, the extraction and detection of intermediate separated liquid are facilitated, and the plurality of resin separation columns are connected end to end through the connecting hose and the connecting short pipe; different raw material liquids can be conveniently and flexibly combined and used when being separated and extracted, so that the liquid required by a target is obtained, and the use is convenient.

The invention relates to a method for water production, wherein an oxide ore is reduced by reacting a hydrogen-containing gas, and the water produced is separated and treated. The invention also includes a device for carrying out the method, as well as a system and a use of the device or system for water production.

The utility model relates to the technical field of pipe pile hole cleaning, in particular to a hole cleaning device suitable for a prestressed pipe pile, which comprises a fixed pipe pile, a circulating assembly is arranged at the top of the fixed pipe pile, the circulating assembly comprises a fixed frame, and the fixed frame is fixedly connected to the top of the fixed pipe pile. A high-pressure water pump is fixedly connected to the inner wall of the fixing frame, a high-pressure water pipe fixedly communicates with the bottom of the high-pressure water pump, a sewage pipe is movably connected to the interior of the fixing pipe pile, and a sewage pump fixedly communicates with one end of the sewage pipe. According to the hole cleaning device suitable for the prestressed pipe pile, the circulating assembly is installed, sludge soil at the bottom of the pipe pile is washed through a high-pressure water pump, sludge, silt and sundries in the pipe pile are mixed with water, and the mixed sundries enter the pipe pile through filtering holes of an outer pipe to be filtered for the second time; and the water subjected to secondary filtration enters a secondary sedimentation tank through a sewage pipe, and enters the high-pressure water pump again through a water pumping pipe for use.

The invention relates to the technical field of reservoir discharged water temperature improvement, and discloses a modular layered water taking device and method based on wireless charging, and the device comprises a gate groove assembly, a gate assembly, a wireless power supply and communication assembly, a grabbing beam, a two-way portal crane, electrical and control equipment and the like; the method comprises the steps that the grabbing beam is controlled through the two-way portal crane, and the gate assembly is grabbed and moved to vertically ascend and descend along the gate groove assembly to be positioned to the designated water taking layer position; when the gate assembly moves to a charging area, a wireless charging device of the gate assembly is automatically aligned with a wireless charging base of the power supply and communication assembly, a non-contact energy transmission channel is established based on the electromagnetic induction principle, and the battery assembly is charged. The controller dynamically adjusts the opening degree of the gate leaf or triggers closing according to data, water taking efficiency is optimized, and structural safety is guaranteed. According to the invention, the water conservancy project and the Internet of Things technology are deeply fused, and each module forms an organic whole through intelligent control; the method is particularly suitable for medium-large hydro-junction projects needing frequent adjustment of water taking layers.

The present invention relates to the field of image processing technology, and in particular to a water body extraction method, device, equipment, storage medium and program product. The method comprises: obtaining a first water body image of a target area, and obtaining a second water body image of the target area, wherein a first shadow area caused by a non-water body is distributed in at least one first water body unit area, and a second shadow area caused by a non-water body is distributed in at least one second water body unit area, and the distribution of the first shadow area and the second shadow area is different; superimposing the first water body image and the second water body image to obtain the overlapping area of ​​each first water body unit area and the corresponding second water body unit area; and determining the final water body map of the target area according to at least one overlapping area. The present invention is used to solve the defect of low precision of water body extraction results caused by shadows in water body images in the prior art, and realize high-precision and accurate extraction of surface water bodies.

The application discloses a ship-mounted in-situ calibration device and method for a seabed suspended sediment concentration profile probe, which comprises a cylindrical water tank main body, an ASM and a support frame thereof, a driving motor, a rotating paddle, a cylindrical support, a water pump and a valve. The method comprises the following steps: horizontally arranging the ASM in the water tank through the support frame; extracting in-situ seawater on the ship deck for calibration by using the water pump; driving the paddle by the motor to uniformly mix the water sample; and extracting the water sample by opening the water extraction valve at different time intervals, wherein the water extraction valve is arranged on the side of the water tank and is consistent with the measurement elevation of the ASM, is used for extracting the water sample at the same elevation of the ASM, and tests the consistency of each sensor of the ASM. The water sample concentration can well cover the in-situ concentration range under normal circumstances by sampling at different time intervals in the static water sedimentation process. The in-situ seawater is extracted on the spot for calibration, so that the difference between the particle size range and the concentration range of the sediment suspension liquid prepared in the laboratory and the actual observation station is avoided.

This invention discloses a rapid drilling device and method for the floor of coal mine roadways. It includes a drilling rig, drill rods, and a drill bit. The drill rods consist of a transition drill rod and a circular drill rod. A water channel is provided through the transition drill rod, the circular drill rod, and the drill bit at a certain thickness. A water extraction pipe is provided inside the transition drill rod and the circular drill rod. A water extraction pipe and a water supply pipe are sleeved through the center of the drill arm. The drill arm's water extraction pipe communicates with the drill rod's water extraction pipe and the drill bit's inner cavity. The drilling rig's water supply pipe communicates with the drill rod's water channel. During drilling, water injected from the water supply pipe enters the bottom of the hole through the water channel. The water at the bottom of the hole, carrying drill cuttings, is extracted sequentially through the hollow drill bit, the drill rod's water extraction pipe, and the drill arm's water extraction pipe under external negative pressure. This allows drilling mud to be continuously extracted from the center of the drill rod during drilling, eliminating the need for special drill bit removal and cuttings disposal, shortening the drilling progress, greatly improving drilling efficiency, ensuring the floor pressure relief effect, and providing technical support for safe production on site.

The utility model discloses a multifunctional energy-saving system integrating water lifting and wastewater concentration, which comprises a multifunctional tower, a demisting area, a heat exchange area, a gas distribution and water return area and a wet desulphurization area are sequentially arranged in the multifunctional tower from top to bottom, and an exhaust port is arranged at the top of the multifunctional tower; the gas distribution and water return area is used for uniformly distributing desulfurized wet flue gas and collecting moisture condensed from the wet flue gas; a wastewater inlet of the wastewater circulating tank is connected with a high-chlorine industrial wastewater source, and a wastewater outlet of the wastewater circulating tank is connected with a wastewater inlet of the heat exchange area; a water inlet of the waste water cooling tower is connected with a waste water outlet of the heat exchange area, a water outlet of the waste water cooling tower is connected with a waste water circulating tank, and stirrers are arranged in the waste water circulating tank and the waste water circulating tank; the water inlet end of the recycling water tank is connected with the gas distribution and water return area, and the recycling water tank is used for storing condensate water collected by the gas distribution and water return area. According to the utility model, the comprehensive utilization of water and flue gas waste heat is realized, and the production cost is reduced while the energy consumption is saved.

The invention relates to the technical field of plastic molding machines, and discloses a plastic injection molding machine with a cooling mechanism, the plastic injection molding machine comprises a base, the top of the base is fixedly provided with a melting box and an injection machine, and one side of the base is provided with a discharging plate; the cooling device is located on one side of the base, the cooling device comprises a cooling box arranged on one side of the base, a plurality of connecting plates are fixed between the cooling box and the base, the outer wall of the cooling box is connected with a water injection pipe and a water drainage pipe, and a heat conduction pipe is arranged in the base; the cooling device adopts a reasonable design, a cooling box conveys cooling liquid to a heat conduction pipe through a circulating pump, through mutual cooperation of a water suction pump, a control valve, a one-way valve, a valve body and an opening and closing valve, after cooling operation is completed, cooling water in the heat conduction pipe can be pumped out through the water suction pump, cooling water residues are avoided, and the cooling efficiency is improved. And the die can smoothly carry out next cycle operation, the service life of the die is prolonged, and the operation efficiency of the die is improved.