37results about How to "Purify water" patented technology

The cultivation device comprises a bracket seat and a cultivation tank, a filter screen assembly is fixedly installed on the inner side of the upper portion of the cultivation tank, a first upper connector and a second upper connector are arranged on the outer side of the upper portion of the cultivation tank, the first upper connector is connected with a drainage pipeline, and the second upper connector is connected with a filtering circulation assembly. A conical bottom shell is arranged on the lower portion of the cultivation tank and provided with a bottom connector and a side connector, the bottom connector is connected with a seedling emergence pipeline and a water inlet pipeline, the side connector and the bottom connector are connected through an anti-sinking pipeline, the water inlet pipeline is connected with a filtering circulation assembly, and an inflation pipe with the bottom end connected with an air stone in an inserted mode is fixed in the cultivation tank. The air stone is located at the bottom of the conical bottom shell, a drainage control valve is arranged on the drainage pipeline, a first water inlet control valve, a sterilization device and a second water inlet control valve are arranged on the water inlet pipeline, and a seedling emergence control valve is arranged on the seedling emergence pipeline. The water changing amount can be reduced, pathogenic organisms can be killed, the water quality is purified, and the survival rate of the aquatic fries is increased.

The invention belongs to the field of municipal drainage, and particularly relates to an underground space structure serving as an emergency regulation and storage space for excessive rainwater. In a normal state, the water inlet channel is normally closed, the special waterproof door is unobstructed, and the rain sewage regeneration module operates normally. During waterlogging, people and vehicles are emptied, the special waterproof door is closed, and the emergency regulation and storage space is used for regulating and storing rainwater. The system comprises a vertical stacking type module and a transverse stacking type module, and comprises a rainwater treatment module, a sewage treatment module, a regulating reservoir module, a drainage pumping station module and the like. The special waterproof door comprises a main door, an auxiliary door, a transition cabin and the like. The outside is communicated with a water inlet closed conduit, comprises a rain gauge and the like, and is controlled by a hydraulic discharge gate and the like. The system further comprises a control system which can switch idle, water inlet, water storage and water drainage modes according to different rainfall conditions, and linkage control over all the devices is achieved. The urban inland inundation can be effectively handled, and reasonable regulation, storage and utilization of rainwater are achieved.

The utility model relates to a kind of environment-friendly sewage sedimentation pretreatment device, it is related to sewage treatment technical field, including pre-sedimentation tank, the upper portion of the pre-sedimentation tank is provided with separation cylinder, the front end of the separation cylinder is installed with sewage inlet pipe in one side, the upper portion of the separation cylinder is installed with separation water outlet pipe, the bottom of the separation cylinder is installed with sludge discharge pipe by connecting pipe, one end of the sludge discharge pipe is equipped with first motor, the other end of the sludge discharge pipe is equipped with sludge discharge port, the inside of the pre-sedimentation tank is equipped with multiple equidistant distribution and parallel inclined plate, the bottom of the pre-sedimentation tank is conical structure, and the bottom of conical structure is equipped with sludge discharge cavity, the lower end of one side of the sludge discharge cavity is installed with second motor, the inside of the sludge discharge pipe and sludge discharge cavity is all installed with auger mechanism, and the scheme solves the problem that a large number of and complex component impurity particles in sewage are not treated directly to deposit, and the problem that the deposition effect is poor and the burden of deposition equipment is increased.

The invention discloses a food production raw material processing device which comprises a supporting frame and a rinsing tank, the rinsing tank is installed at the top end of the supporting frame, a containing cavity is formed in the rinsing tank, a filtering assembly is arranged in the rinsing tank and comprises a rotating rod rotationally installed in the rinsing tank, a first motor is installed on the outer surface of the rinsing tank, and a second motor is installed on the outer surface of the first motor. According to the food production raw material processing device, a combined filter screen structure formed by combining two single screens is adopted, so that the filtering area is increased, the filtering effect is improved, the filtering effect is improved, and the food production raw material processing device has the advantages that the food production raw material processing device is convenient to use and high in practicability. And the steel frame is installed through the staggered steel wires, so that the strength and the stability of the combined type filter screen are effectively enhanced, the combined type filter screen is not prone to deformation or damage in the long-time and high-strength use process, and the continuity and the high efficiency of filtering are guaranteed.

The invention relates to the technical field of sewage treatment, in particular to a ship ballast water ultrasonic disinfection device which comprises an L-shaped pipeline connected with a ship ballast water conveying pipeline, an ultrasonic generator mounted on the L-shaped pipeline, and a first baffle and a second baffle which are mounted in the L-shaped pipeline, the first baffle and the second baffle are used for changing the flow speed of ship ballast water, and the driving piece is installed between the L-shaped pipeline and the second baffle. The ultrasonic generator is used for generating ultrasonic waves, the ballast water is radiated through the ultrasonic waves, so that the ballast water generates an ultrasonic cavitation effect, water molecules are split into free radicals such as OH and H, organic matter in the water is oxidized and enters bacteria, and the sterilization and disinfection effects are achieved; compared with the prior art, the technical scheme has the advantages that the economic cost is lower, and the operation is simple.

A landscape-integrated ecological rainwater inlet device, belonging to the field of municipal drainage structure technology, includes a base box with a drain outlet. A frame is inserted and installed at the opening of the base box. A flat floor with a water inlet is fixedly installed on the upper surface of the frame. A filter grate is embedded in the water inlet of the flat floor. A multi-stage filtration device is detachably installed inside the frame. Two water collection chambers are symmetrically arranged inside the frame. A green plant pot is installed above the flat floor. Four through holes are opened through the lower surface of the green plant pot. Hollow square tubes are fixedly installed at each of the four through holes. The lower ends of the hollow square tubes are inserted and installed inside the frame through the flat floor. A water-absorbing cotton rope is inserted between the two hollow square tubes on the left and right sides. The middle section of the water-absorbing cotton rope is located inside the green plant pot, and the two ends of the water-absorbing cotton rope are located in the corresponding water collection chambers. The overall design of this utility model can realize a closed-loop ecological integrated structure for rainwater collection, purification, and reuse, which has both practical and ecological benefits.

The utility model discloses a phosphate fertilizer production wastewater treatment device which comprises a base, and the top of the base is fixedly connected with a treatment box. Through the cooperation of the base, the treatment box, the treatment opening, the supporting plate and the PH adjusting feeder, a proper amount of chemicals can be fed according to the pH value of wastewater, the PH value of the wastewater is adjusted, a proper chemical environment is created for subsequent treatment, the wastewater treatment effect is improved, and the stirring motor and the stirring blades are matched, so that the wastewater treatment effect is improved. According to the sewage treatment device, fed chemicals can be fully mixed with wastewater, sludge is conveniently discharged through cooperation of the settling tank, the flow guide channel, the supporting frame, the speed reduction motor and the sludge scraping plate, meanwhile, a flocculating agent is fed into the flocculating agent feeder, suspended solids in the wastewater are condensed into large particles, the settling process is accelerated, and then the precipitated wastewater is conveyed into the filtering drawer through the infusion pump; the filter screen can intercept larger solid particles, and the activated carbon plate can adsorb organic matters, peculiar smell and the like in water, so that the water quality is purified.

This utility model provides a high-efficiency and energy-saving integrated tank-pump pressure-stabilizing water tank, relating to the field of water supply equipment processing technology. It includes an integrated tank-pump pressure-stabilizing water tank assembly, with a filter component on its side, and reinforcing and buffer components on its top. The assembly comprises a water tank and an energy-saving pressure-stabilizing pump. In this utility model, multiple filter elements are installed inside the filter box, which effectively filters the water source, removing impurities and particulate matter to prevent them from accumulating inside the tank. The activated carbon box further adsorbs microorganisms in the water source, further purifying the water quality, reducing corrosion and wear of the tank, extending the service life of the integrated tank-pump pressure-stabilizing water tank assembly, and maintaining the cleanliness of the water inside the tank, preventing water quality deterioration due to bacterial growth caused by impurities.

The invention relates to the technical field of electro-adsorption performance experiments, in particular to an electrode assembly, an experimental device for removing micro-plastics in a water environment and a use method. The experimental device comprises the working electrode with the adjustable distance, the distance between the cathode plate and the anode plate is adjusted by increasing or decreasing the number of the copper gaskets so as to adapt to micro-plastics with different particle sizes and concentrations, and the adsorption effect is enhanced. The electrode plate is made of activated carbon fibers with high specific surface area and good conductivity. The experimental device further comprises a stabilized voltage supply, a peristaltic pump, an electro-adsorption device and a water pool container, the peristaltic pump achieves circulating flow of water flow, the micro-plastic concentration between the electrodes is continuously updated, a complete electro-adsorption system is formed, and the adsorption efficiency is improved. The problems that an existing electro-adsorption experimental device cannot flexibly adjust the electrode distance and cannot adapt to the electro-adsorption removal rate of micro-nano plastics with different concentrations and particle sizes are solved, and the universality and efficiency of experiments are improved.

The invention provides a synthetic microbial community and application thereof in degradation of trehalose and biofuel cells, and belongs to the technical field of synthetic microbiology and biological energy. A synthetic microbial community is constructed by means of synthetic biology, the synthetic microbial community comprises genetic engineering escherichia coli and shewanella, and the synthetic microbial community can realize a complete metabolic pathway from trehalose to acetic acid and an efficient electron transport chain; the method can be used for treating trehalose-rich wastewater or wastes and the like; the synthetic microbial community can be used for a microbial fuel cell, can stably generate current density and power density which are higher than those of a single strain or a natural mixed flora in the microbial fuel cell, and has good practicability.

The utility model relates to the technical field of treatment equipment, and discloses multistage biological sludge treatment equipment which comprises a base, a plurality of supporting legs are fixedly connected to the edge of one side of the upper surface of the base, a circulation frame is fixedly connected to the upper ends of the supporting legs, and a treatment barrel is fixedly connected to the upper end of the circulation frame. When the sludge treatment equipment is used, sludge is conveniently conveyed into the treatment barrel from the sludge inlet pipe by opening the electric control valve, water in the purification barrel is pumped from the water suction end by starting the first water pump, the water is conveyed into the annular pipe through the water outlet end, and the water is conveniently sprayed to the surface of the sludge through the liquid spraying head; particles and organic matters in the sludge can be conveniently screened through screening holes in a first screening plate and a second screening plate, at the moment, a second servo motor is started to drive a transmission gear and a rack to rotate while a rotating rod is driven to rotate, and a conveying pipe and a centrifugal barrel are driven to rotate through rotation of the rack.

The invention discloses a water intake local water area dispersive cyanobacterial bloom control method, which comprises the following steps: 1, arranging a flow guide enclosure and arranging a gas stripping flow making structure, 2, preparing nano titanium dioxide powder and preparing the nano titanium dioxide powder into spraying slurry, 3, coating a sunshade net with the spraying slurry to prepare a photocatalytic sunshade net, and 4, carrying out water intake local water area dispersive cyanobacterial bloom control on the photocatalytic sunshade net. 4, a photocatalytic sunshade net is arranged, and floating plants are planted; the flow guide enclosure is arranged to be matched with the gas stripping flow making structure, surface water in the control area can be conveyed out of the area through the gas stripping flow making structure while blue-green algae in the upper layer in the external area are prevented from entering, the fluidity of surface water in the area is improved, and therefore formation of blue-green algae bloom is avoided; meanwhile, a sunshade net coated with titanium dioxide is arranged in the region, so that blue-green algae and metabolites thereof are oxidized and decomposed by utilizing photocatalysis while the photosynthesis of the algae is reduced by shading, and the water quality is further purified.

According to the modularized degradable underwater forest support and the using method thereof, the modularized degradable underwater forest support is simple in overall structure, ecological and good in operability. The egg tray, the honeycomb paper layer, the mixed matrix and other structures are introduced, the seed throwing mode of submerged plants in the deep water is improved, and the device has the multiple functions of being environmentally friendly, easy to maintain, capable of promoting biodiversity, purifying water and the like and can become an ideal tool for water treatment and ecological restoration. By applying the support, the dual goals of ecological benefits and landscape beautification can be achieved, and a healthy and sustainable water ecological system can be built easily.

The present invention relates to a wind and wave resistant flexible enclosure suitable for use in a lake reservoir regulation and purification system, comprising a buoy-type breakwater, an integrated PVC soft enclosure, a fixing system and a gabion; the open-hole buoy-type breakwater is made of high-density polyethylene material and is made into a cylindrical shape, with holes opened on the buoy and connected to a semi-permeable PVC soft enclosure, the lower end of the enclosure is connected to the gabion by a buckle ring and a rope, and the gabion is buried in the bottom mud, the fixing system comprises a fixing rope and a fixing pile, and the fixing rope and the fixing pile are used to pull and fix the enclosure at both ends to ensure that the enclosure is not easy to collapse in the water body, and an open impermeable enclosure is added outside the permeable enclosure to provide a diversion effect. The present invention stabilizes the water body of rivers and lakes, separates the regulation and purification area of ​​lakes and reservoirs, resists the wind and waves of rivers and lakes, and prevents the impact of wind and waves and the influence of the surrounding water body during the regulation and purification of lakes and reservoirs.

The utility model relates to a micro-polluted low-flow-velocity river ecological restoration device which is characterized in that a plurality of layers of heavy adsorption ecological bags are arranged at the bottom of a river, and a first gabion assembly is arranged above the heavy adsorption ecological bags and used for filtering river water and removing pollution components in the river water at the same time; step stone is arranged on the upper surface of the first gabion assembly; a second gabion assembly is arranged behind the heavy adsorption ecological bag and the first gabion assembly; plants are arranged on the upper surface of the second gabion assembly and between every two adjacent stepping stones; and the total height of the heavy adsorption ecological bag and the first gabion assembly meets the condition that at least 1 / 3 of river water flows over the first gabion assembly. The device can reduce the content of pollution components in river water and increase the oxygen content at the same time, does not need additional oxygenation equipment, and reduces the energy consumption.

The invention provides a biomass charcoal and microorganism combined water purification treatment system, and relates to the field of water treatment. The biomass charcoal and microorganism combined water purification treatment system comprises a biomass charcoal preparation unit which is used for preparing biomass charcoal with a formulated pore structure and surface functional groups so as to improve the adsorption capacity of the biomass charcoal on water pollutants and selecting proper biomass raw materials including agricultural wastes or forestry wastes, according to the method, biomass raw materials are converted into biomass charcoal in a pyrolysis, gasification or carbonization mode, parameters of pyrolysis temperature, heating rate and heat preservation time are controlled, so that the pore structure and surface functional groups of the biomass charcoal are optimized, and surface modification treatment is carried out on the biomass charcoal. Biomass charcoal is derived from agricultural and forestry wastes, the dependence on fossil fuel is reduced by utilizing the renewable resources, meanwhile, the environmental pollution of the wastes is reduced, and compared with a traditional chemical treatment method, the system reduces the use of chemical reagents and reduces the risk of secondary pollution.

The invention discloses a natural landscape revetment and a construction method thereof, and belongs to the technical field of landscape engineering, and the main body structure of the revetment sequentially comprises a rammed earth layer, a soil layer layered rolling layer and a sandy soil layer from bottom to top; 3-5 pieces of decoration scene stone are arranged in an upstream proper area every 12-15 m; a 2.5-3.5 m aquatic plant planting area is arranged in the midstream; the method comprises the following steps: arranging a wood pile at the downstream, arranging sandy soil, a wood bundle and the wood pile at the upstream area of the wood pile, adopting wickers of 1-5cm and 40-50cm in length as the wood bundle, nailing the wood pile into the soil by 1.5 m according to the distance of 1m, scion, and binding the wood bundle and the wood pile. According to the revetment, natural elements and ecological functions are combined, the construction method is simple and feasible, the stability of the revetment can be effectively enhanced, meanwhile, the attractive and natural landscape effect is created, and good ecological benefits and landscape value are achieved.

The utility model relates to the technical field of food processing, and discloses a ground convection water circulation system for a running water unfreezing pool, which comprises a running water unfreezing pool body, a conveying belt, a rotating roller and a spray head assembly, a filter box is fixedly mounted at one end, close to the water outlet, of the flowing water thawing pool body, and a first baffle with a circular filter hole and a second baffle with a long-strip-shaped filter hole are sequentially mounted at one end, close to the flowing water thawing pool body, of the filter box in an inserted manner. According to the convection water circulation system for the running water unfreezing pool, unfreezing water filtered twice enters the spray head assembly in cooperation with the water suction pump, and can be uniformly sprayed into the running water unfreezing pool body in an omnibearing mode in cooperation with the multiple spray head bodies distributed at equal intervals, so that unfrozen objects can make full contact with water flow, and the unfreezing effect is improved. The unfreezing uniformity and the unfreezing speed are effectively improved, and the waste of water resources is greatly reduced due to the cyclic utilization of unfreezing water.

The utility model discloses a rural domestic sewage treatment reuse purification box, which comprises a box body, a vertical rod and a solar energy assembly, the box body is arranged underground, the top of the box body is arranged above the ground, one side of the top of the box body is hinged with a box cover, one side of the box body is communicated with a water inlet pipe, the water inlet pipe is connected with a water outlet of a septic tank, and an isolation pipe is arranged in the box body. One end of the water inlet pipe is communicated with the isolation pipe through the connecting sleeve; an isolation frame is arranged in the isolation pipe; the inner wall of the box body is fixedly connected with a fixed seat; the top of the fixed seat is provided with a microorganism bacterium room; the top of the fixed frame is fixedly connected with an aeration disc. The utility model relates to the technical field of sewage treatment. According to the rural domestic sewage treatment and reuse purification box, domestic sewage is purified in combination with actual rural conditions, sewage reuse is achieved, irrigation is convenient, and environmental protection is facilitated.

The invention belongs to the technical field of water tanks, and discloses a gas-liquid double-circulation self-purification water tank which comprises a tank body, a containing cavity is formed in the tank body, an air outlet is formed in one side of the tank body, a supporting plate is fixedly arranged below the tank body, a gas circulation device is fixedly arranged above the tank body, and a liquid circulation device is fixedly arranged above the tank body. A transmission device is movably arranged in the containing cavity, a rotating device is fixedly arranged below the transmission device, a power device is fixedly arranged below the rotating device, one end of the power device is fixedly connected with a driven device, and a liquid level sensor is fixedly arranged on one side of the inner wall of the containing cavity. The invention solves the problems that the water tank in the prior art often lacks an effective self-purification and circulation system, the long-term stability and cleanness of water quality are difficult to ensure, and the water tank needs to accurately control the circulation and purification process of water in some special environments or occasions with higher requirements on water quality, such as specific process water and laboratory water in industrial production, so that the water quality is poor. Therefore, the water tank is suitable for the water tank.

This application relates to a river ecosystem management device, belonging to the technical field of river ecological restoration and environmental protection. It includes a float, with a deployment mechanism on the outside of the float, a moving mechanism on the top of the float, and a catching mechanism on the bottom outer side of the float. The deployment mechanism includes a storage tank, the outside of which is opened inside the float. An extraction tube is fixedly connected to the top inner side of the float, and a retrieval tube is slidably connected inside the extraction tube. A docking assembly is fixedly connected to the top outer side of the extraction tube, and a metering tube is fixedly connected to the top of the retrieval tube. This application features a vertically movable retrieval tube that, when sliding within the extraction tube, utilizes the principle of pressure difference to extract the treatment material from the storage tank. The material is extracted to the metering tube for volume control, thereby achieving the effect of stably spraying the treatment material into the river after quantitative control.

The utility model relates to the technical field of water quality treatment, and discloses a solid microorganism hatching bed for water treatment, which comprises a frame, the bottom of the frame is fixedly connected with a hatching bed, two air outlet pipes are arranged in the frame, the tops of the two air outlet pipes are fixedly connected with a plurality of exhaust ports, and the exhaust ports are communicated with the hatching bed. One side of each exhaust port is rotationally connected with a movable crank, the two movable cranks are jointly rotationally connected with a connecting piece, a driving assembly for driving the connecting piece to reciprocate is constructed in the frame, a stirring assembly is constructed in the frame, and the driving assembly is connected with the stirring assembly. And a gas transmission assembly for ventilating the gas outlet pipe is arranged at the top of the frame. Through mutual cooperation of the stirring assembly and the driving assembly, the gas outlet pipe is swung while the stirring blades stir water flow, so that the flowability of water is further improved, and pollutants and oxygen in the water are easier to contact and mix.

The utility model provides an assembly type grass planting ditch, which is characterized in that a filler layer is filled in a ditch space, a planting soil layer is filled at the top of the filler layer, green plants are planted at the top of the planting soil layer through planting modules, and a separation layer is arranged between the end parts of the planting soil layer and the filler layer and the inner wall of the ditch space. A plurality of infiltration and storage modules are mounted at the bottom of the filler layer, and water outlets of the infiltration and storage modules are connected with a catch basin through drainage pipes; a modular structure is adopted, and the fabricated grassed swale is convenient to construct, stabilizes water and soil and is easy to maintain; after rainfall, rainwater flows into the grass planting ditch, and the rainwater passing through the planting soil layer and the filler layer can be effectively decelerated, energy-dissipated, accumulated and purified and finally enters the infiltration and storage module to be stored, so that the possibility of water and soil loss and garbage deposition is reduced; rainwater is discharged into a rainwater pipe network through a drainage pipe after passing through the infiltration storage module, the water storage capacity is improved, and water quality is further purified.

The present invention discloses a building landscape ecological river retaining wall, comprising a foundation bottom plate, at least two pier walls are arranged on the foundation bottom plate, and a multi-layer arch wall is arranged between adjacent pier walls, and the multi-layer arch wall is distributed in a step-like manner from bottom to top, and there is a gap area between two adjacent layers of arch walls. The retaining wall is not only permeable, but also can plant plants in the gap area, and has both practical value and ornamental value. The present invention also discloses a construction process of the building landscape ecological river retaining wall, which combines 3D printing construction technology with reinforced concrete structure, not only ensuring the overall structural strength of the retaining wall, but also simple construction and easy operation.

The invention provides a construction method and system of an artificial river channel imitating a natural landscape pattern, and relates to a construction method of an artificial river channel, the method comprises the following steps: determining a target to be planned and constructed through a fractal geometry theory, the constructed target comprising a landscape type of the artificial river channel, the number of plaques or the total number of the plaques of the artificial river channel; each landscape type plaque edge length and habitat type; a landscape pattern index is calculated according to the constructed target, the landscape pattern index comprises landscape patches, landscape shapes and landscape diversity, and the landscape pattern of the artificial river channel is determined according to the landscape pattern index; according to the landscape pattern of the artificial river channel, referring to landscape heterogeneity and ecological benefits, establishing an artificial river channel landscape pattern model; and evaluating the change of each landscape element of the artificial river. The diversity and stability of the ecological system are improved, and the landscape pattern and the ecological function are optimized.

The utility model belongs to the technical field of river and lake ecological management engineering, and particularly relates to a river and lake filtering ecological island structure. Comprising a cushion layer area arranged on a river channel and a planting area above the cushion layer area. The cushion layer area is sequentially provided with a pebble protection building layer, a rock-fill layer, an inverted filter material layer and a filter material layer from outside to inside; the planting area comprises a planting soil layer and aquatic plants planted on the planting soil layer; water flow of rivers and lakes naturally flows through the planting area and the cushion layer area of the ecological island from upstream to downstream according to the site longitudinal slope to purify water; the granularity of the cushion layer area is gradually reduced from the pebble protective building layer, the rock-fill layer, the inverted filter material layer to the filter material layer; the gradient of the pebble protection building layer is set to be 1: 2-1: 5. The upper part and the lower part are combined and jointly act on river filtration, water quality purification, ornamental effect improvement, underwater microorganism settlement increase, inhabitation place supply for aquatic animals, species diversity increase, healthy ecological community formation and beneficial circulation formation.

The utility model discloses a full-automatic livestock raising shed which comprises a wall body, a plurality of compartments are fixedly connected to the outer wall of the bottom of the wall body, a first filtering assembly is arranged on the outer wall of the bottom of each compartment and comprises a water tank fixed to the outer wall of the bottom of each compartment, and a filtering net and a granular medium filtering net are arranged in each water tank. The bottom of the water tank is in bolted connection with a water conveying pipe, and a first water pump is arranged at one end of the water conveying pipe. A second filtering assembly is arranged on one side of the wall body and comprises a box body, filtering sponge and activated carbon are arranged in the box body, and the filtering sponge is located above the activated carbon. The feeding shed is provided with the first filtering assembly which can preliminarily filter sewage in the compartments, the second filtering assembly can further adsorb tiny impurities and peculiar smell through the filtering sponge and the activated carbon in the box body, and the temperature in the shed is effectively reduced through the heat dissipation assembly.

The utility model provides a mine water pretreatment device, which comprises a multi-medium filter, a first security filter, an ultrafiltration device and a second security filter, the multi-medium filter is sequentially communicated with the first security filter, the ultrafiltration device and the second security filter and is used for pretreating mine water. According to the pretreatment device, the mine water is treated through the multi-medium filter and the ultrafiltration device, some impurities in the mine water are effectively removed before entering the reverse osmosis membrane group, the water quality of the mine water is purified, the treatment burden of the reverse osmosis membrane group is relieved, and the service life of the reverse osmosis membrane group is prolonged.

The invention aims to provide a liquid supply foaming method of a bathing device, which comprises the following steps: S1, when clean water is used, opening a shower head cold and hot valve, controlling the power-on and power-off states of an electromagnetic valve, completely opening a flow path in the electromagnetic valve, enabling the clean water to enter a water filtering bin through a water inlet pipe, then entering a mixed foaming bin, conveying to a shower head through an outlet pipe, and spraying out from the shower head; s2, when bath supplies are used, a shower head cold and hot valve is opened, the water temperature is regulated and controlled, the power-on and power-off states of an electromagnetic valve are controlled, the cross section area of a flow path in the electromagnetic valve is not completely opened, and clear water enters a mixed foaming bin; meanwhile, a delivery pump corresponding to the liquid storage bottle needing to be used is started, and the power of the delivery pump is controlled through current, so that the liquid in the liquid storage bottle also enters the mixed foaming bin; meanwhile, an air pump is started to supply air; clear water and bath supplies are impacted and mixed in the mixing foaming bin under the action of airflow and are finally sprayed out through the shower head. According to the method, bubbles such as clear water and bath foam can be freely switched during bathing, and the bathing experience feeling of a user is greatly improved.

This invention discloses a pretreatment process for dry gas from ethylbenzene production. The steps are as follows: the dry gas from ethylbenzene production sequentially enters a dry gas separator and coalescer, a dry gas water washing tower, a water-washed dry gas cooler, and a water-washed dry gas separator to remove organic amines and / or ammonia carried in the dry gas. The dry gas water washing tower is arranged from bottom to top as a first water washing section, a second water washing section, a third water washing section, ..., N water washing sections, where N≥2. A collection tank is set between two adjacent water washing sections. The bottom plate of the collection tank is equipped with a riser hole and a riser pipe to connect the two adjacent water washing sections. Each water washing section is arranged from bottom to top as a structured packing section and a water washing water distributor. The dry gas water washing adopts a multi-stage water washing process. Each stage of water washing uses a water washing circulation pump to circulate the water washing water. A water washing water filter is installed on the water washing water circulation pipeline of each stage. The water washing water adopts a method of partial circulation, continuous discharge, and continuous water replenishment. Using this invention, the amount of alkaline substances carried in the dry gas of ethylbenzene production feedstock can be effectively removed.