1861 results about "Water collection" patented technology

The invention discloses a hydrogel-based water-energy-resource co-production solar evaporator and application thereof, and belongs to the technical field of chemistry and environment, the hydrogel-based water-energy-resource co-production solar evaporator is prepared by taking sodium alginate hydrogel as a matrix, adding carbon nanotubes and a titanium-based lithium ion sieve or a metal-doped titanium-based lithium ion sieve into a solution of the sodium alginate hydrogel, taking polyurethane sponge as a carrier frame, and preparing the hydrogel-based water-energy-resource co-production solar evaporator. Ca2 + is adopted as a cross-linking agent to construct a solar evaporator with a flexible size (centimeter-level to meter-level components can be prepared according to application scenes), the solar evaporator is used for the solar driven evaporation process of lithium-containing water resources such as salt lake seawater, and Li + selective enrichment, fresh water collection and waste heat power generation are synchronously achieved. Moreover, the evaporator has the characteristics of simple preparation process, low cost and excellent environmental compatibility, also has a good removal effect on salt ions, and keeps stable fresh water collection performance in a long-time operation process.

A mesh woven structure with capillary action is applied to a two-phase fluid heat dissipation unit. The mesh woven structure includes multiple latitudinal lines and multiple longitudinal lines. At least two longitudinal lines are selectively arranged as a longitudinal line set. The mesh woven structure is woven from the single latitudinal line and one cooperative longitudinal line set, which sequentially repeatedly intersect (and overlap with) each other. Accordingly, the number of the voids of the mesh woven structure is increased so that the mesh woven structure has better capillary attraction and water collection (containing) ability to greatly enhance the heat transfer performance.

The invention relates to a building structure with a curtain wall drainage function and a construction method thereof, the building structure comprises mutually connected wall bodies, and is characterized in that the wall bodies comprise a first wall body, a second wall body and connecting walls, and at least one connecting wall is arranged between the first wall body and the second wall body; the first wall body, the second wall body and the connecting wall are each provided with a drainage assembly, the drainage assemblies are used for drainage of the surfaces of the wall bodies, each drainage assembly comprises a plurality of transverse water collecting grooves which are horizontally arranged and distributed up and down, vertical flow guide pipes are arranged in the middles of the transverse water collecting grooves, and the vertical flow guide pipes penetrate through all the transverse water collecting grooves; a water passing opening is formed between the vertical flow guide pipe and the transverse water collecting tank; the lower end of the vertical flow guide pipe is provided with a water drainage opening used for being connected with a water drainage pipe. Rainwater on the curtain wall can be collected and drained, and the situation that rainwater flows to the ground to affect wall corners and the situation that rainwater cannot pass through the wall conveniently are prevented.

The utility model relates to the technical field of rainwater collection and utilization, and discloses a stacked rainwater recovery module which comprises a collection structure, a stacked structure and a filtering structure are installed on the collection structure, the stacked structure comprises a longitudinal rod, a driving box, a fixing block and a motor, the longitudinal rod is provided with a plurality of drainage plates through a rotating shaft, and the drainage plates are connected with the driving box. A rotating shaft is fixedly installed on the outer side of the longitudinal rod, a gear is fixedly installed on the rotating shaft and located on the outer side of the longitudinal rod, the driving box is fixedly installed on the longitudinal rod through a fixing block, a rack is installed on the driving box through a motor and a lead screw in a threaded mode, and the rack is meshed with the gear. The angle of the drainage plates is adjusted, the guiding direction and speed of water flow can be flexibly adjusted according to different rainfall intensity, wind speed and other environmental factors when rainwater enters the collecting box, the number of the drainage plates is three, the drainage plates are sequentially lengthened from top to bottom, and the situation that the water flow is gathered too fast is avoided.

The invention relates to the technical field of cooling towers, in particular to a novel water-saving open type cooling tower suitable for northern areas. A tower body; the heat exchange demisting and water collecting device, the wire mesh demisting device, the water collector, the hot water distributing device, the cold water supplementing and spraying device and the filler cooling device are sequentially arranged on the inner wall of the tower body in the vertical direction; the anti-freezing device is arranged at the top of the pouring cold water pool; and the PLC is arranged at the top of the pouring cold water pool. The cooling tower can achieve efficient and rapid cooling, and the cooling speed is increased by 20%-30% compared with a traditional tower through filler layered heat exchange, cold water replenishing opposite flushing and waste heat recovery; the freezing problem in winter in northern areas can be solved, freezing is blocked from the source, ice is actively melted, and operation is guaranteed; the drifting rate is reduced by more than 60% through three-stage demisting water collection, and the condensed water is completely recovered; low-cost transformation is achieved, maintenance is convenient, energy consumption is reduced by 30%, intelligent regulation and control can be achieved, industrial automation is adapted, and high efficiency, water saving, economy and stability are considered.

A method for harvesting water includes contacting a nanoporous carbon (NPC) material with a stream of humid atmospheric air, thereby at least partially absorbing water in the form of molecules on surfaces and pores of the NPC material to form a sample, releasing the water from the sample by thermally heating the sample or exposing the sample to ultraviolet-visible (UV-Vis) radiation; and collecting the water. A method of making the NPC material by calcining one or more petroleum feedstocks is also disclosed.

A one-stage water separator device comprises a water separator housing comprising a water separation chamber and a water collection chamber, a water-laden volume flow inlet port defining a water-laden volume flow inlet channel for channeling a water-laden volume flow into the water separation chamber, a water volume flow outlet port defining a water volume flow outlet channel for channeling a water volume flow out of the water collection chamber, a water-unladen volume flow outlet port defining a water-unladen volume flow outlet channel for channeling a water-unladen volume flow out of the water separation chamber, and an immersion tube comprising an immersion tube portion immersed in the water separation chamber and for fluidically connecting the water-unladen volume flow outlet port with the water separation chamber, an axial extension of the immersion tube portion essentially corresponding to an axial transition area between the water separation chamber and the water collection chamber.

The invention discloses a low-temperature-rise energy-saving box-type substation, and belongs to the field of box-type substations. Comprising a box-type substation, a heat dissipation channel is assembled on the side face of the box-type substation in an embedded mode, the heat dissipation channel is provided with a heat dissipation net and a mounting edge fixed to the upper side face of the heat dissipation channel, and a cleaning assembly is arranged on the heat dissipation channel; the cleaning assembly is correspondingly provided with a suction assembly, and the cleaning assembly and the suction assembly are oppositely arranged. A transmission assembly is arranged on the heat dissipation channel, is linked with the cleaning assembly and provides reciprocating motion driving force for the cleaning assembly; a collecting assembly is arranged at the bottom of the heat dissipation channel. According to the low-temperature-rise energy-saving box-type transformer substation, through high-frequency sweeping of the cleaning brush, air blowing of the dust blowing pipe and adsorption cleaning of the dust suction pipe, the heat dissipation channel is prevented from being blocked, and stable heat dissipation is guaranteed; cleaning, collecting and discharging automation is achieved by means of a timer and mechanical linkage, the box body does not need to be disassembled, the maintenance cost is reduced, and the sealing performance is protected; the water collecting assembly is used for circulating precipitation, dust raising is eradicated in cooperation with the logic of first wetting and then discharging, energy is saved, and operation is stable.

The invention discloses a rainwater collecting and recycling system for a sponge city, and relates to the technical field of rainwater collection. A water inlet is formed in the top of a rainwater collecting box, a confluence bin is fixedly arranged on the inner side wall of the rainwater collecting box, partition plates are symmetrically and obliquely arranged on the two sides of the confluence bin, and a filter screen is arranged above the confluence bin; the first rotating shaft is rotationally connected to the inner side wall of the rainwater collecting box, a U-shaped support is arranged below the confluence bin, a second rotating shaft is rotationally connected to the inner side of the U-shaped support, two water storage bins are arranged on the second rotating shaft in a staggered mode, and the second rotating shaft and the first rotating shaft are connected through a transmission assembly; cleaning mechanisms are symmetrically arranged on the two sides of the confluence bin. By means of the arranged filtering mechanism, impurities in rainwater can be filtered out, in the using process, the filtering net can periodically swing in a reciprocating mode, the impurities gathered on the upper portion of the filtering net are thrown off towards the two sides, filtering holes are prevented from being blocked, and the filtering effect of the filtering net is guaranteed.

A ground embedded imaging device includes a barrel housing unit, an electronic element unit and an automatic draining unit. The barrel housing unit has a water collecting chamber, a translucent window portion at an upper end of the barrel housing unit, a water conducting hole to conduct water from outside to the water collecting chamber, and a water deflecting recess portion in spatial communication with the water conducting hole and disposed below the ground surface. The electronic element unit includes an imaging module oriented toward the window portion. The automatic draining unit includes a water expelling driver which is actuated to expel water from the water collecting chamber. Water is prevented from accumulating around the window portion so that the imaging module operates correctly.

The utility model belongs to the technical field of concentrating mill production water treatment, and relates to a concentrating mill middling overflow water muddy flow disposal system which comprises a 65-meter thickener used for treating magnetic separation tailings, and underflow of the 65-meter thickener is provided for bulk flotation equipment; the 65-meter thickener overflow weir is used for introducing overflow water of the 65-meter thickener; the 53m thickener is used for introducing the overflow water into an overflow weir of the 65m thickener; the filling or filter pressing device is used for introducing underflow of the 53m thickener; the overflow weir of the 53-meter thickener is used for introducing overflow water of the 53-meter thickener; the collecting water tank is used for introducing the overflow water in the overflow weir of the 53-meter thickener; the high-level water tank introduces water in the water collecting tank through a high-pressure water pump; and the flocculating agent device is used for providing a flocculating agent for the 53-meter thickener. And the effect of settling the argillaceous ore pulp is achieved.

The utility model provides an arid area saline-alkali land treatment structure, which is characterized in that saline-alkali land is divided into a plurality of planting areas and a saline-alkali water collection and treatment area, each planting area comprises a planting layer, a water drainage and salt guide layer, a permeation-resistant air layer and an original layer, and the water drainage and salt guide layers are respectively positioned at the upper part of the permeation-resistant air layer and inside the original layer; the drainage salt guide layer, the permeation-resistant gas layer and the original layer are all in an inverted V shape with the high middle and the low two sides, and the hydraulic gradient of the slopes on the two sides is 1%-2%. The saline-alkali water collecting and treating area is composed of an alkali discharge channel, a filtering and collecting tank, an electro-adsorption tank, a water storage tank and an evaporation tank, the alkali discharge channel comprises an alkali discharge channel slope, an alkali discharge channel bottom surface and a water level sensor, and the hydraulic gradient of the alkali discharge channel bottom surface is 3%-5%. A filtering and collecting tank, an electro-adsorption tank, a water storage tank and an evaporation tank are arranged at the lowest-gradient end of the bottom surface of the alkali discharge channel. According to the utility model, a planting area layered improved structure is combined with a saline-alkaline water collection, treatment and storage integrated structure, so that the salt content of soil is reduced, and the recycling of saline-alkaline water is realized.

The invention provides a rainwater collection pipe network blockage risk early warning method, which comprises the steps of collecting multi-point flow and environmental parameter data, fusing water level and rainfall intensity, and realizing unified processing of multi-source data through timestamp alignment and mean filtering; using an empirical mode decomposition algorithm to decompose the flow time sequence data into trend, period and high-frequency fluctuation components, and identifying abnormal segments through sliding window energy calculation and dynamic threshold gating; according to the method, the change point detection algorithm and the Gaussian mixture model are combined, energy accumulation sudden change and trend attenuation are verified in a layered mode, and then structured early-stage blockage risk early warning is generated, the accuracy and timeliness of anomaly detection are effectively improved, the pipe network blockage supervision and maintenance cost can be reduced, and the operation reliability of an urban drainage system is enhanced.

The invention is applicable to the technical field of new energy materials and water treatment, and provides solar-driven multifunctional composite hydrogel and a preparation method and application thereof, the multifunctional composite hydrogel comprises dual-network hydrogel, a nanofiber skeleton and functional particles; the double-network hydrogel is formed by interpenetrating and cross-linking a polyelectrolyte hydrogel and a temperature-sensitive hydrogel; the functional particles are loaded in a three-dimensional porous network structure formed by the double-network hydrogel and the nanofiber skeleton. When the device floats on the surface of a water body, efficient solar interface evaporation water production, stable power generation based on the water photovoltaic effect and efficient adsorption removal of nitrogen and phosphorus nutritive salt in the water body can be synchronously achieved under illumination, and therefore algae growth is inhibited. According to the invention, the integrated collaborative management of water collection, energy conversion and ecological restoration is realized, the preparation process is simple, the environmental adaptability is high, and an innovative scheme is provided for solving the distributed water-energy supply and ecological environment problems in coastal, island and other regions.

The utility model discloses a cold region heat preservation inspection well chamber, and relates to the technical field of engineering facilities. A well lid frame is arranged at the upper end of the concrete well body, the sealed well lid body is connected to the well lid frame in a sealed mode, a composite heat preservation plate mechanism is arranged on the inner side wall of the concrete well body, the concrete well body comprises a vertical well and a transverse well, the vertical well is connected with the transverse well, a drainage bin is arranged at the bottom of the vertical well, and a filter plate body is arranged at the upper end of the drainage bin. A maintenance ladder is arranged on the inner side wall of the concrete well body, and the bottom of the drainage bin is connected with a drainage pipe; the sealing performance and the heat preservation performance are improved, cold air is not prone to intruding into the well chamber, the temperature in the well chamber is not prone to losing, meanwhile, the phenomena of water accumulation and freezing are not prone to occurring in the well body, equipment in the well can be effectively protected, the phenomenon of freezing is not prone to occurring in the well chamber, water collection and water drainage are achieved through the water drainage bin, and the service life of the well is prolonged. Therefore, water is not easy to accumulate in the well chamber, and the phenomena of water accumulation and freezing are not easy to occur.

The invention provides a post-evaluation method, system and equipment for a drainage collection system reconstruction project, and a medium. The method comprises the following steps: obtaining evaluation parameters of the drainage collection system reconstruction project; calculating a first evaluation index of the drainage collection system reconstruction project according to the evaluation parameter; under the condition that the first evaluation index meets a preset evaluation condition, calculating a second evaluation index according to the evaluation parameter; calculating a corresponding category weight according to the problem category of the second evaluation index, and calculating a corresponding traffic weight according to the traffic of the second evaluation index; calculating the comprehensive weight of the second evaluation index according to the category weight and the traffic weight; and calculating the score of the drainage collection system reconstruction project according to the second evaluation index and the comprehensive weight, so as to carry out post-evaluation on the drainage collection system reconstruction project. The evaluation efficiency is improved through the multi-stage evaluation indexes, the reconstruction effect of the drainage collection system is scored from multiple dimensions through the second evaluation index, the category weight and the flow weight, and the evaluation rationality is improved.

This invention discloses a storm drain device for non-motorized vehicle lanes, relating to the field of municipal engineering technology. It aims to solve the problems of limited drainage area, easy blockage by lightweight debris, high maintenance and cleaning difficulties, and high maintenance costs associated with commonly used combined storm drains in existing technologies. The technical solution adopted is that the storm drain grate is connected to the storm drain well. The storm drain grate includes a main drainage grate, an auxiliary drainage grate, and a sludge removal grate. The main drainage grate, auxiliary drainage grate, and sludge removal grate correspond to the positions of the non-motorized vehicle lane surface, the curb, and the sidewalk, respectively. Through a multi-outlet water collection design, the total drainage area of ​​a single set of storm drains is significantly expanded, accelerating the stormwater runoff speed on the non-motorized vehicle lane surface and reducing water accumulation at the source. Furthermore, the height of the auxiliary drainage outlet matches the curb, and the spacing is consistent with the main drainage outlet, complying with municipal road construction specifications and requiring no changes to the original road foundation structure.

This invention discloses a spray-finned heat exchanger device, belonging to the field of air heat and humidity treatment technology. It includes an air duct, an air supply component, a spray component, a water collection component, a spray circulation component, a finned heat exchanger, a finned heat exchanger water-side circulation component, a sensor component, and a controller. The invention further includes steps for collecting inlet air temperature, inlet air relative humidity, inlet air velocity, and average supply and return water temperatures to obtain the operating status, and then inputting these into an outlet temperature prediction model and an outlet moisture content prediction model to obtain predicted outlet temperature and humidity values. Additionally, it includes a joint control step of collecting inlet air status data, inputting it into a control model to obtain inlet air velocity setpoints and average supply and return water temperature setpoints, and outputting control commands to drive the air supply component and the finned heat exchanger water-side circulation component to operate and cyclically correct. This invention solves the problems of strong temperature and humidity coupling in existing heat and humidity treatment devices, making joint control difficult, and the reliance on experience-based settings leading to insufficient outlet temperature and humidity control accuracy and a lack of quantitative prediction models.

This utility model relates to the field of solid-liquid separation technology, specifically an integrated solid-liquid separation device for kaolinite suspension, comprising a vertical flow sedimentation tank, a central feed pipe, a flow guiding component, and a drive component. The vertical flow sedimentation tank has a drain outlet at the bottom and an overflow weir at the top. A water collection tank is located outside the overflow weir, and water outlets are located on both sides of the water collection tank. The central feed pipe is located at the upper center of the vertical flow sedimentation tank and is connected to a water inlet pipe on one side. The flow guiding component includes a mounting base fixed inside the vertical flow sedimentation tank, and a flow guiding plate is fixed to the outer wall of the mounting base. The flow guiding plate is set at an inclined angle and has serrated protrusions on its surface. Multiple sets of ultrasonic oscillators are evenly spaced on the inner wall of the vertical flow sedimentation tank, which can realize the flow guiding control of the suspension, facilitate the extension of the material's residence time in the tank, increase the probability of particle sedimentation, and at the same time, promote particle collision and accelerate the agglomeration of kaolinite particles.

The utility model relates to coffee machine auxiliary equipment technical field, specifically is a kind of coffee machine brewing device outlet structure, comprising: funnel-shaped outlet pipeline and its columnar output end, output end is connected with the communication sleeve of sealing ring belt, and is connected with waste water collection tank through telescopic hose, outlet pipeline side wall inserts food-grade cleaning agent tank, manually lifting type pump pressure mechanism is equipped in tank, and push cleaning fluid enters pipeline flushing through the opening and closing mouth of hinged sealing sheet control, waste liquid is introduced into collection tank in orientation. The device realizes efficient cleaning, waste water zero pollution, and convenient operation, applicable to various coffee machines.

The utility model relates to a dish-washing machine technical field especially relates to a double residue separation's dish-washing machine, including located dish-washing machine cleaning pool side's residue discharge box and set up in dish-washing machine cleaning pool bottom's sewage pipe, residue discharge box with sewage pipe communicate, residue discharge box includes residue pool and water storage pool, residue pool and water storage pool in top communicate, sewage pipe with residue pool in bottom communicate, residue pool side is equipped with residue discharge port and first residue separation spare, water storage pool includes water receiving area and is located in the circulating water area of water receiving area bottom, is equipped with second residue separation spare between water receiving area and circulating water area, and the circulating water collection pipe that communicates has in circulating water area, the circulating water collection pipe is used for collecting the water in circulating water area to dish-washing machine cleaning pool inside. The residue discharge structure of dish-washing machine of the application can effectively discharge residue, prevent pipe blockage, and can also reduce water cost simultaneously.

The invention relates to the technical field of building energy conservation and water resource utilization, and discloses a multifunctional AKLBT dual-network hydrogel system and a preparation method and application thereof, the multifunctional AKLBT dual-network hydrogel system comprises AKLBT dual-network hydrogel and a PAN / PVDF coated CNTs / ppy composite photo-thermal layer; wherein the AKLBT dual-network hydrogel takes acrylamide and konjac glucomannan as monomers, and LiCl, BaSO4 and TiO2 are doped into the monomers; the PAN / PVDF-coated CNTs / ppy composite photo-thermal layer is attached to the surface of the hydrogel to construct a photo-thermal conversion interface. Through a three-in-one synergistic mechanism of radiation cooling, adsorption water collection and photo-thermal evaporation, zero-energy-consumption cooling of the building and efficient capture of atmospheric water resources are achieved, stable recycling can be achieved, and an integrated solution is provided for building hydrothermal collaborative management.

This invention relates to the field of precast concrete components, specifically disclosing an energy-saving and environmentally friendly precast concrete component, including a precast staircase assembly. The precast staircase assembly consists of multiple steps, each step having multiple drainage holes at its top and a water collection trough inside each step. A guide plate is connected inside the water collection trough. It also includes two guard plates, which are fixedly installed on both sides of the precast staircase assembly. One of the guard plates has a sloping groove inside, and a drainage component is fixedly installed inside the sloping groove. This invention can drain rainwater from the steps during rainy days, preventing rainwater or other liquids from accumulating on the steps, thereby reducing the risk of slipping and falling for workers. It also prevents the steps from being soaked in water, extending the service life of the precast concrete staircase. Furthermore, it filters and stores rainwater for subsequent use, saving water resources and improving the environmental friendliness of the equipment.

The invention provides a wastewater interface concentration system utilizing photo-thermal floating balls and a use method. The water distribution unit controls the flow rate and the water level of the system through a lifting pump, the photo-thermal evaporation and concentration unit is formed by circuitously connecting a plurality of long-strip-shaped water channels, and a segmented blocking net is arranged in a pool to prevent floating balls from flowing and rolling along water flow and accumulating at the tail parts of the water channels; the water collecting unit is respectively connected with the water distribution unit and the concentration unit through pipelines and a water pump to form an adjustable hydraulic circulation loop and control, and the flow rate of water flow is controlled by controlling the flow of the water pump, so that the rolling of the floating ball is controlled. The photo-thermal foam balls are hydraulically driven to dynamically roll in the blocking net partitions, and solar interface evaporation treatment is carried out on the high-salinity wastewater. By means of the integrated design of dynamic anti-scaling, flow field optimization design and modular overhaul, efficient and stable evaporation and concentration of high-salinity wastewater are achieved, and the device has the advantages of being low in energy consumption, high in anti-scaling capacity, easy and convenient to operate and maintain, environmentally friendly and the like.

The utility model discloses a sewage treatment device which comprises a homogenizing tank, one side of the homogenizing tank is connected with a monitoring room through a first conveying pipe, the homogenizing tank is connected with a biological fluidization tank through a second conveying pipe, one side of an anaerobic digestion tank is connected with an ozone tank through a pipeline, and one side of the ozone tank is connected with a biological aerated filter through a pipeline. A plurality of aerators are arranged in the biological aerated filter, stirring blades and a motor are arranged in the homogenizing tank, and different kinds of sewage from the septic tank effluent collecting tank, the domestic sewage inlet and the production wastewater inlet can be fully mixed through stirring, so that the quality and the quantity of the sewage entering a subsequent treatment unit are more uniform; according to the sewage treatment system disclosed by the invention, by adopting a mode of synergism of multiple treatment processes, the anaerobic digester can decompose macromolecular organic matters into micromolecules by utilizing anaerobic bacteria, and multiple processes are combined, so that various pollutants such as organic matters, heavy metals and toxic and harmful substances in sewage are more thoroughly removed, and strict environment-friendly emission standards can be better met.

The application provides a heater air inlet and exhaust device for a travel vehicle, and belongs to the field of travel vehicle heater accessories. The device comprises a nested exhaust pipe, an air inlet pipe, a positioning frame and a cover. An annular fixing plate is arranged between the exhaust pipe and the air inlet pipe, a first baffle is arranged in the inner cavity of the exhaust pipe, the first baffle is connected with a second baffle, the inside of the cover is divided into upper and lower areas by means of the above structure, the smoke flow space and the air inlet flow space are distinguished, and smoke backflow is effectively prevented. The side wall of the cover is provided with a louvered second smoke outlet, the bottom end is provided with a second air inlet, the bottom end of the air inlet pipe is provided with a first air inlet, and the two air inlets are communicated to form an air inlet passage. The air inlet pipe and the cover jointly form an annular drainage groove, which can timely drain the water accumulated in the exhaust pipe. The device only needs to be opened at a single position of the vehicle body, has the functions of preventing smoke backflow, preheating air inlet, automatically sucking air inlet by smoke negative pressure, collecting and discharging condensate water, has a compact structure and stable operation, and is suitable for various travel vehicle parking heaters.

The invention relates to a heat exchanger structure capable of improving heat exchange efficiency, which comprises a support, a lower seal head, a lower tube plate, a barrel, an upper tube plate and an upper seal head, a plurality of shell pass medium outlet tubes are arranged above the barrel, and an effluent collecting ring mechanism is arranged on the inner sides of the plurality of shell pass medium outlet tubes; the outlet water collecting ring mechanism comprises a bottom ring plate, a first vertical ring plate and a plurality of first rib plates, a plurality of shell pass medium inlet pipes are arranged below the barrel body, the inner sides of the shell pass medium inlet pipes are provided with the inlet water distributing ring mechanism, and the inlet water distributing ring mechanism comprises a top ring plate, a second vertical ring plate, a plurality of partition plates and a plurality of second rib plates. A plurality of water outlets are formed in the bottom of the second vertical annular plate, a water inlet buffer space is defined by the top annular plate, the barrel, the second vertical annular plate and the lower pipe plate, the water inlet buffer space is divided into a plurality of areas through the partition plates, each area is communicated with one shell pass medium inlet pipe, and therefore the heat exchange efficiency is greatly improved.

The utility model discloses a chromium polishing cooling water recycling device based on printing plate roller polishing, which relates to the field of chromium polishing cooling water treatment, and adopts the technical scheme that the chromium polishing cooling water recycling device comprises a cooling water collecting tank, a precipitation filtering tank, an ion exchange tank, a reverse osmosis tank and a disinfection tank which are arranged on a base and are connected in sequence, the device has the effects that the cooling water can be deeply treated to reach the use standard, the treated cooling water finally enters a recycling unit to be recycled by printing plate roller polishing equipment, and in the operation process, the electric valve A accurately controls the flow of the cooling water by adjusting the rotating speed of a water pump and the opening degree of the valve; and in addition, the cooling water collecting tank is matched with the transition of the automatic water control assembly, so that enough water is kept for treatment for a long time, efficiency reduction or equipment failure caused by unstable water flow in each treatment link is avoided, and efficient cyclic utilization and stable treatment of the chromium polishing cooling water are realized.

This invention discloses a polycrystalline silicon reduction heat energy utilization system and method. The system includes a reduction furnace body, a base, a heat exchange jacket, an internal coil in the base, an external heat exchange jacket for the return water pipe, and a flash tank assembly. The internal coil in the base has a double-layer structure and is connected by a vertical pipe. The heat exchange jacket is divided into several arc-shaped jackets with parallel branch pipes equipped with solenoid valves. The jacket is equipped with vibrating plates and flow guides. The return water pipe is fitted with a heat exchange jacket with a flow guide plate. The drain pipe and return water pipe are respectively connected to different flash tanks. The method utilizes an infrared temperature sensor linked with a solenoid valve to achieve zoned temperature measurement and flow initiation. Through temperature-controlled vibration coordination, gradient heat exchange and water collection, and tiered flash evaporation for energy supply, heat energy from different parts is recovered and multi-level steam is generated according to the temperature gradient to meet diverse steam demand. This invention constructs a multi-dimensional heat energy recovery system, achieving efficient heat energy recovery and tiered adaptive energy supply, accurately controlling the furnace temperature, improving production continuity and stability, and has significant energy-saving and practical value.

The utility model relates to the technical field of PP rainwater collecting modules, in particular to a PP assembly splicing device for rainwater collection, which comprises an upper fixing plate and a lower fixing plate, four mounting holes are formed in the outer wall of each of the upper fixing plate and the lower fixing plate in a penetrating manner, and a collecting barrel is of a conical structure and is connected with the upper fixing plate and the lower fixing plate through the mounting holes. When the upper fixing plate and the lower fixing plate are in butt joint through the conical collecting barrels, the springs in the ball grooves in the ends, with the small calibers, of the collecting barrels push the clamping balls to pop out, the clamping balls are embedded into the clamping grooves of the connecting barrels to form mechanical self-locking, and rapid connection and anti-shearing fixing of an upper module and a lower module are achieved. A push rod presses a clamping ball through a limiting block, the self-locking state can be relieved to achieve quick disassembly of the module, an external thread of a collecting barrel is screwed with an internal thread of a mounting hole, quick connection of the collecting barrel, an upper fixing plate and a lower fixing plate is achieved, and therefore the construction efficiency of the whole rainwater collecting module is effectively improved.