2667 results about "Purified water" patented technology

The invention relates to a method for preparing a lithium iron phosphate / carbon composite material of a lithium ion battery, which belongs to the technical field of lithium ion batteries. The method for preparing the lithium iron phosphate / carbon composite material of the lithium ion battery comprises the following steps of: 1) preparing a suspending graphene-dispersed aqueous solution system, namely, crushing graphite to 1 to 5 microns, adding the crushed graphite into distilled water or purified water, adding 0.1 to 5 percent of surfactant, heating with stirring the mixed solution to 180 to 250 DEG C in a sealing way, performing stirring for 2 to 6 hours and reducing the temperature; 2) crushing lithium iron phosphate to the particle size of 1 to 5 microns, adding the crushed lithium iron phosphate into the distilled water or the purified water, adding with stirring 0.01 to 1 percent of coupling agent, performing uniform stirring, adding the graphene-dispersed aqueous solution, and performing stirring and filtration; and 3) vacuum-drying solid powder obtained by the filtration, and calcinating the dried solid powder for 2 to 12 hours to obtain the graphene-coated lithium iron phosphate cathode material. The method has the advantages of simple process, high material performance, high conductivity, high bulk density, high compacted density and the like.

The utility model discloses a soil moisture tensiometer, which belongs to the technical field of soil moisture tensiometers, and comprises a glass tube, a fixing component is arranged on the peripheral side of the bottom of the glass tube, a plug is arranged at the top end of a pressure monitoring device, a mounting sleeve is arranged below the plug, and the mounting sleeve is fixedly connected to the outer side of the top of the glass tube. A water supplementing and exhausting assembly is arranged on one side of the mounting sleeve. According to the water purifier, a worker manually presses a circular plate to drive a fixing rod and a piston to move, purified water stored in a fixing barrel is conveyed into a connecting block, and when the pressure of the connecting block is larger than the elastic force of a spring, water flow of the connecting block can drive a ball head block, a side block and a tooth block to move; at the moment, the liquid is conveyed into the glass tube through the stepped through hole and the one-way water inlet so as to perform water replenishing treatment on the interior of the glass tube, so that the mounting and dismounting work of the plug is reduced, the influence on the sealing performance of the plug after a long time is prevented, and the influence on the monitoring precision of a product is further prevented.

The invention belongs to the technical field of oil-gas-water separation equipment, and discloses an ultrasonic detonation rotational flow microbubble flotation device which comprises a vertical container tank with inner and outer stepped double-barrel design and a separation inner barrel, an oil gathering umbrella is arranged on the upper portion of the interior, an oil discharge connector is arranged on the outer wall of one side, and surrounding physical demulsification coalescence filler is arranged on the upper portion of the area between the tank and the inner barrel. And the lower part of the separation inner cylinder is provided with a reverse symmetrical double-tangential rotational flow inlet, the bottom of the separation inner cylinder is externally provided with a purified backflow water inlet and is communicated with the purified water diversion outlet in a process manner, and the bottom of the separation inner cylinder is internally provided with a gas-water mixer and an ultrasonic knocker. By combining ultrasonic cavitation, rotational flow centrifugation, micro-nano bubbles and physical coalescence demulsification technologies, the diameter of the bubbles is reduced by 15 microns or below through the ultrasonic detonation cavitation effect, fine oil drops and suspended particles which are difficult to treat through traditional flotation and are 10 microns or below can be captured, the method is suitable for multi-phase separation of discrete high-concentration fine pollutants, and the flotation efficiency is improved. Complex separation scenes such as oily sewage, micro-plastics and mineral flotation can be treated.

The invention belongs to the technical field of soil improvement, and discloses a preparation method of a humic acid biochar saline-alkali soil conditioner. The preparation method comprises the following steps: by taking waste edible fungus chaff as a raw material, activating the waste edible fungus chaff with a KOH solution, pyrolyzing the waste edible fungus chaff under a limited oxygen condition to obtain fungus chaff-based biochar with a porous structure, mixing the fungus chaff-based biochar with humic acid, a sodion replacement material (desulfurized gypsum powder and / or calcium chloride) and purified water according to a certain mass ratio, and drying and fixing at medium temperature to obtain the modifier. According to the modifier, the porous adsorption performance of the biochar, the pH adjustment and agglomeration improvement functions of the humic acid and the sodium ion replacement capacity of the calcium source material are comprehensively exerted, the sodium ion content in the saline-alkali soil is synergistically reduced, and the soil agglomeration structure and the water and fertilizer retention capacity are improved. The prepared modifier is especially suitable for soil treatment of moderate and severe saline-alkali soil in which the ratio of sodium ions to exchangeable cations exceeds 10%, and has agricultural waste resource utilization and ecological restoration values.

The utility model discloses a prefilter which comprises a shell part and a filter element, the shell part is provided with a water inlet, a water outlet and a drain outlet, the filter element is arranged in the shell part and is matched with the shell part to form a raw water cavity communicated with the drain outlet and a purified water cavity communicated with the water outlet, a water inlet channel is arranged between the water inlet and the raw water cavity, and a water outlet channel is arranged between the water inlet and the purified water cavity. A backwashing channel is arranged between the water inlet and the water purification cavity, and a plugging piece for opening and closing the sewage draining exit is arranged at the sewage draining exit; and the water path switching mechanism is arranged on the shell part and is used for controlling the switching opening of the water inlet channel and the backwashing channel. When the pre-filter disclosed by the utility model is in a filtering state, the backwashing channel is in a closed state, so that if a backwashing filter screen is arranged on the backwashing channel, the backwashing filter screen cannot filter water flow in the filtering state, so that dirt on the backwashing filter screen can be reduced, and normal filtering of the backwashing filter screen in the backwashing state is ensured.

The invention discloses a riverway dredging method which comprises the following steps: dynamically scanning a riverway along a spiral propulsion path, and obtaining riverbed topographic data and sediment thickness in real time; a three-dimensional riverbed model is established based on the riverbed topographic data, and a core dredging area, a transition maintenance area and an ecological reserve area are divided in the three-dimensional riverbed model according to the sediment thickness; the core dredging area is divided into a surface layer, a middle layer and a bottom layer in the vertical direction, and a differentiated dredging process is executed; carrying out mud-water separation treatment on the dredged material, purifying the separated water, and reinjecting the purified water into the river channel; prefabricated ecological concrete modules are laid on the surface of a dredged riverbed, diversion trenches and biological nests are formed, and the biological nests are filled with polylactic acid / straw composite fiber felts containing local submerged plant seeds. Through spiral scanning, three-dimensional modeling and intelligent partitioning, integration of monitoring, planning, construction and repairing is achieved, accurate dredging is implemented, and the dredging efficiency is improved.

The invention discloses a low-permeability rock breakthrough pressure testing method based on schlieren imaging. The method comprises the following steps: putting a test rock sample into a confining pressure cavity of a rock sample holder; the injection end of the rock sample holder is connected with the fluid injection module, the outlet end of the rock sample holder is connected with the schlieren cavity, and the confining pressure cavity is connected with the confining pressure injection module; vacuumizing a pipeline of the testing device, injecting a degassed purified water medium into the schlieren cavity, and then carrying out optical path debugging until a clear schlieren image is acquired; loading confining pressure stress on the test rock sample, injecting water until the test rock sample is saturated, injecting carbon dioxide, observing a schlieren imaging system, recording a schlieren image of carbon dioxide breakthrough by a high-precision camera when the carbon dioxide breaks through the saturated rock sample, recording the breakthrough moment of the carbon dioxide, and recording the upstream and downstream pressure difference value at the moment; the breakthrough pressure is the breakthrough pressure of the carbon dioxide of the tested rock core sample. According to the invention, a trace concentration of carbon dioxide can be visually observed to break through the rock sample, so that the breakthrough pressure of the low-permeability rock can be accurately detected.

An industrialized fish and algae farming system with recirculating water and method are provided, and the system includes a fish and algae farming system, a fiber rotary disc filter system, and a magnetic loading flocculation system. In accordance with the fish and algae farming system, the aquaculture of fish and algae in the same space is achieved, the algae can transform CO2 exhaled by fish and nutrients, polysaccharides, vitamins and lipids, and then release oxygen to rapidly improve the aquaculture water quality. The fiber rotary disc filter system and the magnetic loading flocculation system can effectively remove suspended particles, grease, algae, bacteria, viruses and the like in aquaculture sewage, thus achieving the deep purification of the aquaculture sewage. The purified water quality reaches the aquaculture standards in fishery and can be directly recycled, and the whole system has no sewage discharge.

The utility model provides a purified water dispenser which comprises a water softening system, a water purifying system and a hot water system, the water purifying system comprises a filtering system, a soft water quality detection piece, a soft water temperature detection piece and a variable-frequency booster pump, and the soft water quality detection piece and the soft water temperature detection piece are both connected with the variable-frequency booster pump. The rotating speed of the variable-frequency booster pump is determined according to the total amount and temperature of dissolved solids in soft water measured by the soft water quality detection part and the soft water temperature detection part, and the stability of the water making flow speed of the purified water dispenser is guaranteed.

The invention discloses a floating type riverway water quality detector for municipal environment monitoring, and belongs to the technical field of water quality detectors, the floating type riverway water quality detector comprises a floating body floating in a riverway, the lower end of the floating body is fixedly provided with a fixing cylinder for sampling, the inner side of the floating body is fixedly provided with a partition plate, and the partition plate is provided with a detection module; a drainage pipe is rotationally connected to the center of the rotating seat, a sample tank for collecting samples and a water outlet pipe for discharging washing water are mounted on the partition plate, a water inlet groove is formed in the lower end of the fixing cylinder, a purification assembly is mounted on the inner side of the water inlet groove, and meanwhile an elastic rubber sheet is mounted at the upper end of the water inlet groove. The floating type river water quality detector for municipal environment monitoring can conveniently collect and store a water sample in the detection process, and can flush a pipeline by using a purified water body after single detection, so that the subsequent detection precision is ensured.

The utility model discloses a filter element, an intelligent water purifier and a backwashing method of the intelligent water purifier, the filter element comprises a shell, a filter membrane assembly and a positioning terminal, and the positioning terminal abuts against and prevents the inlet end face of the filter membrane assembly from being extruded by reverse water flow to move, twist, deform and damage; the intelligent water purifier comprises a controller, a filter element, a purified water pressure tank, an electromagnetic valve and a water pump, the water pump presses raw water or seawater into the filter element for purification, and produced purified water is pressed into the purified water pressure tank; the filter element backwashing method further comprises a high-pressure switch, a pollution discharge throttle valve and a pollution discharge electromagnetic valve, the high-pressure switch triggers the controller to open the pollution discharge electromagnetic valve, and sewage is discharged through the pollution discharge throttle valve, so that purified water released by the purified water pressure tank is divided into two paths to appropriately flow back to the backwashing filter element. According to the intelligent water purifier, the filter element and the method for backwashing the filter element, the effects of saving water and reducing emission can be achieved, the purpose that the filter element can filter for a long time and does not need to be replaced is achieved, consumption of the multi-stage filter element is reduced, and the problem of peculiar smell caused by a traditional dirt hiding and containing filtering mode is solved.

The embodiment of the utility model discloses a purified water dispenser which comprises a water softening system, a water purifying system and a controller, a water inlet of the water softening system is used for receiving raw water, and a water outlet of the water softening system can output soft water; a water inlet of the water purification system is communicated with a water outlet of the water softening system, a water outlet of the water purification system is used for outputting purified water, the water purification system comprises a filtering system and a wastewater drainage pipeline, a water inlet of the filtering system is communicated with the water inlet of the water purification system, and a water outlet of the filtering system is communicated with the water outlet of the water purification system; a wastewater port of the filtering system is communicated with a wastewater drainage pipeline; the controller is connected with the soft water system and is connected with the wastewater drainage pipeline; when the water outlet of the water softening system outputs hard water, the controller is used for controlling the wastewater drainage pipeline to increase the wastewater discharge capacity so as to protect the filtering system, and the filter element can have the normal service life.

The invention relates to the technical field of oil sludge resource regeneration, and discloses a water oil sludge resource regeneration device based on a composite ultrasonic field and application. The device comprises an oil sludge parameter acquisition module, a resonant frequency analysis module, a sound field coupling control module, a phase shift interference analysis module and a separation strengthening execution module. The oil sludge parameter acquisition module acquires a rheological characteristic data set of the oil-containing sludge in real time; the resonance frequency analysis module generates a dual-target resonance frequency parameter based on the data set; the sound field coupling control module drives the piezoelectric transducer array to generate a focused ultrasonic field, and a sound field coupling model is constructed; the phase shift interference analysis module corrects the phase offset of the model and outputs a multi-band sound energy injection sequence; and the separation strengthening execution module regulates and controls the rotating speed gradient of the mechanical centrifugal unit, triggers membrane stack pulse backwashing, and finally generates regenerated base oil and a purified water phase product. According to the device, efficient regeneration of water-oil sludge resources is realized through cooperation of multiple modules.

The invention provides a sewage steam stripping thermal self-circulation system which is characterized in that a first heat exchanger receives acidic water and is connected with a hot feed inlet of a steam stripping tower through a second heat exchanger, a first gas outlet of the steam stripping tower outputs ammonia gas through the second heat exchanger, and a second gas outlet outputs hydrogen sulfide; a purified water outlet of the stripping tower is respectively connected with a steam reboiler and a purified water inlet of a steam generator, a liquid outlet of the steam reboiler is connected with a condensed water inlet of the steam generator, a purified water outlet of the steam generator outputs purified water through a first heat exchanger, and a steam outlet and a condensed water outlet of the steam generator are connected with a steam compressor. And a steam outlet of the steam compressor is connected with a steam inlet of the steam reboiler. The problem of heat waste of purified water and condensed water can be solved, full utilization of medium-high temperature waste heat is achieved, the heat exchange process of raw material water is improved, the to-be-cooled temperature of the purified water is reduced, and energy loss is reduced.

The invention discloses an auxiliary device for hydrogen production by water electrolysis, which relates to the technical field of hydrogen production by water electrolysis and is characterized by comprising a base frame, a water inlet pretreatment unit, an electrolysis unit, a gas-liquid separation and gas monitoring module and an intelligent operation regulation and control unit. The inlet water pretreatment unit is used for deeply purifying a water source through a multi-stage filtering device to produce deionized water meeting the electrolysis requirement; the electrolysis unit electrolyzes the purified water into a gas-liquid mixture of hydrogen, oxygen and water vapor; the gas-liquid separation and gas monitoring module adopts a vertical separation structure and a secondary separation system, and is combined with a hydrogen side oxygen sensor and an oxygen side hydrogen sensor to realize efficient gas-liquid separation and real-time gas purity monitoring; the intelligent operation regulation and control unit dynamically regulates electrolysis parameters and gas pipeline states based on monitoring data, and automatic closed-loop control is achieved. The device has the advantages of thorough water purification, high gas purity, safe and reliable operation, intelligent control and the like.

The invention belongs to the technical field of sewage treatment and cyclic utilization, particularly relates to a sewage treatment device for water conservancy construction, and aims to solve the problems that in the prior art, blockage response is delayed, grid sundries are accumulated and need to be shut down for cleaning, subsequent procedures are interrupted, a sedimentation tank mud scraper continuously runs, energy consumption and operation and maintenance are unbalanced, and energy cyclic utilization cannot be carried out. According to the scheme, the sewage treatment device comprises a sewage treatment tank, a water inlet bent pipe is arranged at the top of the sewage treatment tank, the bottom of the sewage treatment tank is open and fixedly provided with a bottom sealing cover, and three supporting legs are fixedly installed at the bottom of the bottom sealing cover; the multi-stage filtering mechanism is mounted in the sewage treatment tank; and a sludge leading-out structure. The pressure film is used for monitoring blockage in real time and automatically triggering cleaning, sludge potential energy is recycled to generate power for the system for self use, integrated rotary sludge scraping and high-pressure water backflushing are adopted, and 360-degree cleaning is achieved through self-produced purified water.

The utility model relates to the technical field of water purification, and discloses a water purifier which comprises a water purification system and a heat regeneration device, the water purification system comprises a front filter element, a water storage unit, a heating unit and a heat exchange unit which are connected to a water purification pipeline in series, the front filter element is provided with a first water inlet and a first water outlet, and the heating unit is provided with a heating water inlet and a heating water outlet. The heat exchange unit is provided with a first heat exchange channel and a second heat exchange channel, the heat regeneration device comprises a heat regeneration pipeline, a regeneration drainage pipeline and a control valve group, and the control valve group is switched to a first state based on the fact that the purified water amount of the water purification system reaches a preset nominal value; boiling water of the heating unit flows into the heat exchange unit and exchanges heat with normal-temperature water from the water storage unit to form hot water with a preset value, and the hot water flows into the front filter element to carry out hot flushing on the front filter element. The heating power of the heating unit does not need to be frequently adjusted, the requirement that a user can still directly take boiling water before and after the water purification system executes the heat regeneration mode is met, waiting is not needed, and user experience is improved.

The present invention relates to a reuse process and a reuse system for the purified water in the methanol-to-olefins process, belonging to the technical field of water treatment. The specific process is as follows: The purified water in the methanol-to-olefins process enters a KMPR filter. The KMPR filter includes a membrane box and a membrane module disposed in the membrane box. The membrane module in the KMPR filter intercepts the suspended solid particles and oil substances in the purified water of the methanol-to-olefins process. The water produced by the KMPR filter is the final filtrate and can be reused. The concentrated liquid of the KMPR filter is collected for separate treatment. The present invention treats the purified water in the methanol-to-olefins process through the membrane module, and uses the membrane module to remove the suspended solid particles and oil substances, and can intercept most of its suspended solid particles and oil substances, so that the final filtrate can be reused, and the concentrated liquid concentrated by the membrane module is discharged to the sewage treatment plant for treatment.

The technical scheme of the utility model discloses a heat source tower solution concentration maintaining and adding device which comprises a refrigeration compressor, a coil pipe type evaporation heat exchanger, an air cooler, a condenser and a gas-liquid separator which are sequentially connected, and a hot gas bypass electromagnetic valve is arranged between an inlet of the refrigeration compressor and an inlet of the condenser. The coil pipe type evaporation heat exchanger is arranged in the vacuum evaporation tank, and an outlet of the solution tank is sequentially connected with the liquid supplementing electromagnetic valve, the heat recovery plate type heat exchanger and a liquid inlet of the vacuum evaporation tank; a steam outlet of the vacuum evaporation tank is sequentially connected with a condenser and a purified water tank; an air outlet of the vacuum evaporation tank is connected with the purification water tank, the purification water tank is connected with a gas inlet of the vacuum ejector, and a liquid inlet and a mixed liquid outlet of the vacuum ejector are connected with the circulating water tank; an evaporation coil I is arranged in the circulating water tank, and an evaporation coil II is arranged in the purification water tank, so that the integration of low-temperature evaporation of the solution, system liquid supplement and solution recovery is realized, the solution purification efficiency is high, and the energy consumption is low.

The invention belongs to the technical field of sewage treatment management and control, and particularly relates to a sewage pretreatment center fine management system which comprises an intelligent control module, an operation equipment monitoring module, an efficiency management and control analysis module, an emission risk analysis module, a fine management evaluation module and a supervision early warning terminal. All sewage treatment equipment of the sewage pretreatment center is effectively monitored through the operation equipment monitoring module, safe and stable operation of all the sewage treatment equipment is guaranteed, and the efficiency management and control analysis module analyzes the sewage treatment efficiency management and control performance and strengthens sewage treatment efficiency management and control in time. And the discharge risk analysis module judges whether the discharged purified water meets the requirement or not, corresponding remedial measures are taken after a discharge early warning signal is generated so as to reduce pollution to the outside, the intelligent degree and the automation degree are high, the workload and the supervision difficulty of management personnel are remarkably reduced, and fine management of a sewage pretreatment center can be achieved.

The utility model discloses a water purification system, and relates to the technical field of water supply, the water purification system comprises: a first filter assembly; the first filtering assembly and the second filtering assembly are filtering assemblies with different filtering precisions; the first water outlet path can be communicated with the purified water outlet of the first filtering assembly; the first water storage chamber is arranged on the first water outlet path and is used for storing first purified water output from the purified water outlet of the first filtering assembly; the second water outlet path can be communicated with the purified water outlet of the second filtering assembly; the second water storage chamber is arranged on the second water outlet path and is used for storing second purified water output from the purified water outlet of the second filtering assembly; the water mixing assembly is used for adjusting the proportion of the first purified water output by the first water storage chamber to the second purified water output by the second water storage chamber and outputting the first purified water and the second purified water. The problem that TDS fluctuation of mixed water is large when the water purification system provides the mixed water can be solved.

The application relates to the field of sewage treatment technology, in particular to a municipal sewage treatment device which comprises a sewage treatment box, a temporary storage cylinder is arranged in the sewage treatment box, the bottom of the temporary storage cylinder is arranged in an inverted conical mode, flow guide holes are arranged in the bottom of the temporary storage cylinder, a hollow floating ball is arranged in the temporary storage cylinder, the floating ball covers the flow guide holes and is tightly attached to the side wall of the temporary storage cylinder, a plurality of balloons are arranged in the floating ball, the floating ball is suspended in the temporary storage cylinder in a natural state, a control member for controlling the up-down movement of the floating ball is arranged on the floating ball, and a feeding pipe is connected to the opening of the temporary storage cylinder. The application has the effect of relieving the problem that newly-entered sewage causes secondary pollution to purified water.

A purified water generation unit for a formulation, comprising a filter unit (1) having an upper surface on which a lower water storage tank (2) is fixed. An upper housing (3) is mounted on the upper surface of the lower water storage tank (2), a water inlet pipe (4) is mounted on the upper surface of the upper housing (3) and passes through same, a water guide pipe (5) is provided in the lower water storage tank (2), a driving motor (6) is fixedly connected in the lower water storage tank (2), a transmission shaft (7) is fixedly connected to the output end of the driving motor (6), the transmission shaft (7) is connected to a cleaning scraper (8), and a drain pipe (9) is provided in the lower water storage tank (2). During operation, the driving motor (6) drives the transmission shaft (7) to rotate, so that the transmission shaft (7) rotates and then drives the cleaning scraper (8) to clean the inner wall of the lower water storage tank (2).

The present application relates to the field of sewage purification, and discloses a household micro sewage treatment system and a sewage treatment method, which comprises the following steps: building a septic tank; preparing a household micro sewage treatment system, an aeration system and suspended filler for microbial attachment; pumping clarified liquid by a lifting pump, and the clarified liquid enters a contact oxidation zone, and microorganisms degrade COD and BOD in the clarified liquid; the clarified liquid at the contact oxidation zone flows into an electrocoagulation zone, and electrocatalytic flocculation is performed; then, pollutants and phosphorus in the clarified liquid are filtered by a filtering zone, and the clarified liquid forms purified water; the purified water is taken from a water outlet zone, and is used for crop irrigation; or, a landscape zone for breeding aquatic plants or plankton is arranged at the water outlet zone. In the present application, the contact oxidation zone, the electrocoagulation zone, the filtering zone and the water outlet zone are sequentially and continuously arranged from bottom to top, and the arrangement structure of the whole household micro sewage treatment system is compact, and it is more convenient to arrange the system in a separate house environment in rural areas.

The invention relates to the field of pre-coating glue, in particular to moisture-resistant pre-coating glue and a preparation method thereof. The moisture-resistant water-based pre-coating adhesive provided by the invention is prepared from the following substances in parts by mass: a component A: 30 to 60 parts of purified water, 0.5 to 2 parts of an anti-freezing agent, 2 to 10 parts of an emulsifying film-forming agent, 0.1 to 1.0 part of an emulsifying salt-forming aid, 1.0 to 5.0 parts of a film-forming aid, 30 to 50 parts of an acrylate monomer, 5 to 20 parts of a grinding aid, 0.1 to 2 parts of a red pigment and 0.01 to 1.0 part of a curing reaction accelerant; and the component B comprises 2-5 parts of a BPO microcapsule initiator. Meanwhile, the invention provides a preparation method, and the prepared adhesive is a water-based pre-coating adhesive coating, is coated on a bolt, and is used for locking the bolt after being dried. According to the technology, the precoated coating can be stably stored in a high-humidity environment after being dried, and the problems that an existing water-based precoated coating is sensitive to moisture, so that reactive liquid raw materials in the coating seep and flow, and seriously, the coating cannot be cured are solved.

The invention relates to a water quality detection data processing method and device, computer equipment and a storage medium. The method comprises the following steps: after carrying out digestion treatment on a current water body at a preset digestion temperature by virtue of a digestion solution, acquiring reference transmission light intensities corresponding to a plurality of temperature points in a process of reducing the self-digestion temperature of the current water body to room temperature; a regression prediction model used for transmission light intensity prediction is obtained, the multiple reference transmission light intensities are input into the regression prediction model for linear regression prediction processing, and the predicted transmission light intensity of the current water body at the room temperature is obtained; and determining the predicted absorbance of the current water body according to the predicted transmitted light intensity, obtaining the reference absorbance of the purified water at room temperature, and obtaining a water quality detection result according to the difference between the predicted absorbance and the reference absorbance. By adopting the method, the water quality of the water body can be quickly and stably detected and judged on the premise of not waiting for natural or controlled cooling.

The utility model belongs to the technical field of filtering separation, and particularly relates to a filtering regulating valve and a filtering bottle, which comprise a valve body, two ends of the valve body are respectively connected with a water inlet connector and a water outlet connector, a control cavity communicated with the water inlet connector is formed in the valve body, and a first water inlet and a second water inlet are respectively arranged on the lower end face of the control cavity. A control cavity is formed in the valve body, a valve element assembly is arranged in the control cavity so as to control the opening size of the first water inlet and the opening size of the second water inlet, a valve bottom cover is installed on the lower end face of the valve body, and a purified water flow channel communicated with the first water inlet and a water inlet flow channel communicated with the second water inlet are formed in the valve bottom cover. In the actual using process, the opening sizes of the first water inlet and the second water inlet can be controlled through the valve element assembly, so that the proportion of all filtered water to part filtered water is adjusted, and stable outlet water quality can be achieved according to different local water quality or different requirements of water sources.

The invention particularly relates to a preparation method of a high-fluidity vortioxetine hydrobromide alpha crystal form. According to the technical scheme, vortioxetine hydrobromide is dissolved in an organic solvent with the volume being 5-10 times that of the vortioxetine hydrobromide, insoluble substances are filtered out, and polyvinylpyrrolidone with the mass being 1-2.5 times that of the vortioxetine hydrobromide is added into filtrate; and feeding the solution into pre-cooled purified water containing seed crystals for crystallization, filtering, and drying to constant weight. The obtained vortioxetine hydrobromide is in an alpha crystal form, is spherical, has the particle size of less than 15 microns and the specific surface area of more than 1600 m < 2 > / kg, and is high in dissolution rate, good in fluidity, high in yield and easy to industrialize.

The invention discloses an equipment cleaning system and a cleaning method thereof, and relates to the technical field of equipment cleaning, and the cleaning method comprises the following steps: monitoring the water quality in a water purification bin in a pulse cleaning device through an upper computer before cleaning; when the water quality exceeds a set qualified range, the pulse cleaning device is controlled by the control circuit to filter and kill, so that the interference of the water quality of the device can be eliminated, and the water quality is ensured to be in an excellent state before cleaning; when the water quality is within a set qualified range, corresponding instructions are sent to the control circuit in order according to the process digital archive, and the control circuit controls the pulse cleaning device to sequentially complete self-checking operation, airtightness detection on the to-be-cleaned equipment and pulse cleaning operation, so that the leakage risk of a pipeline of the device and a pipeline of the to-be-cleaned equipment can be eliminated; the cleaning safety is enhanced, the cleaning quality and the cleaning efficiency of the equipment are improved, the standardization and the accuracy of equipment cleaning are ensured, and accurate management and efficient guarantee of the whole process from water quality control to cleaning are achieved.

The invention relates to an industrial sewage purification device for environmental protection engineering. The industrial sewage purification device comprises a base, a purification tank, a filter cartridge, a sewage inlet pipe, a hollow rotating shaft, a stirring part, a liquid suction head, a liquid inlet hole, a sewage pump, a driving assembly and a telescopic device, the telescopic device drives the hollow rotating shaft to do intermittent lifting motion, meanwhile, the sewage pump is started, negative pressure is formed in the hollow rotating shaft, the liquid suction head adsorbs impurities accumulated in gaps of the filter cartridge through the liquid inlet hole, and purified water on the outer side of the filter cartridge performs backwashing on the filter cartridge in the process that the purified water penetrates through the filter cartridge and enters the liquid inlet hole under the action of the negative pressure. The cleaning effect on the filter cartridge is improved, so that the filter cartridge keeps good filtering performance, and the purification effect on industrial sewage is improved.