62 results about "Water quality" patented technology

The invention relates to a portable water quality sampler, which mainly comprises a water quality sampling probe, a telescopic pole, a sampling pipeline automatic winding and unwinding reel and a handheld terminal. The water quality sampling probe comprises a deep detection sensor and a sampling pump; the telescopic pole comprises a plurality of telescopic rods, a pulley block, a hook and a suspension seat; the sampling pipeline automatic winding and unwinding reel comprises a reeling disk, a winding motor, a counterweight, a cable, a sample conveying tube, a suspension balance frame and a reel bracket, and the handheld terminal comprises a LCD screen and keys. The whole system has the advantages of light quality, disassemble components and convenient carrying; the telescopic pole structure can be used to collect intermediate water samples in rivers, ditches and reservoir banks, the winding motor controls the reeling disk to adjust the putting-in depth of the probe for water quality sampling of different water depths, the deep detection sensor can be used for real-time detecting of the water depth of the probe so as to ensure the sampling pump can accurately acquire a surface layer, middle layer and bottom layer water sample, and the handheld terminal can be used for sampling horizon setting and sampling motor control.

The invention discloses a method for ecologically cultivating freshwater shrimps in a paddy. The method includes the following steps that the paddy is fertilized and then raked, a communicated cultivating ditch is excavated in the raked paddy, a field ridge is built around the cultivating ditch with excavated soil, the height of the field ridge ranges from 45 cm to 70 cm, and the width of the field ridge ranges from 60 cm to 90 cm; the cultivating ditch is provided with a water inlet and a drainage opening, the water inlet and the drainage opening are respectively provided with a device preventing the freshwater shrimps from escaping, a pond occupying 5%-8% of the area of the whole paddy is excavated on the water inlet, and the depth of the pond ranges from 80 cm to 110 cm; the paddy is sterilized through calcium oxide; seedlings of a rice variety are inserted into the sterilized paddy, wherein the stalks of the seedlings are thick and strong, the seedlings are resistant to lodging, diseases and fertility and grow in deep water, and the yield is high; the freshwater shrimps are fed after the seedlings turn green; bait is thrown during cultivating according to the freshwater shrimps in different growth stages, and meanwhile water keeps clean. The freshwater shrimps cultivated in the method are natural and free of pollution and are pure green food.

The invention discloses an intelligent rainwater system based on runoff simulation and multi-sensor monitoring, and an operation method. The system comprises a runoff simulation and control host basedon a GIS, a meteorological forecast and runoff satellite monitoring server, a distributed small meteorological station, a vertical surface rain condition monitor, a movable rainfall radar, an infrared video monitor, an evaporation measuring instrument, a rainwater pipe network flow monitor, a water quality online monitor, an air quality monitor, a radar rainfall monitor, an infiltration area saturation monitor, an accumulation area water level monitor, a shallow-layer underground water level monitor, a surface runoff monitor, a waterproof unmanned aerial vehicle with a speed measuring buoy, an optical fiber temperature sensing system, an optical fiber pressure sensing system, a communication module, an intelligent controller, a rainwater utilization facility water supply point, a high-position rainwater hydroelectric generation module, a submersible conveying pump, a pressurization infiltration device and the like. According to various parameters, the rainfall flood disasters are subjected to scientific early warning and warning, and measures are adopted, so that the disaster risk of rainfall flood disasters to a building area or a building can be reduced.

Treated water with good water quality which can be discharged or reused is obtained by efficiently removing SS, fluorine, cyanogen, selenium, ammonia, and COD components contained in coal gasification wastewater such as gas washing wastewater generated in a coal gasification step. A method of treating coal gasification wastewater comprising steps (1) to (4), wherein the step (1) is performed prior to the step (2): (1) a fluorine removal step in which fluorine is removed by coagulation sedimentation; (2) a cyanogen decomposition step in which cyanogen is decomposed by wet oxidation or thermal hydrolysis; (3) a selenium treatment step in which selenate ions are subjected to a reduction treatment with a metal reductant; and (4) a COD/ammonia removal step in which COD and/or ammonia are/is removed.

The invention discloses a reverse osmosis water purification system, a reverse osmosis water purifier and a control method. The reverse osmosis water purification system comprises a pretreatment unit as well as a water hardness sensor, a reverse osmosis treatment unit and an electric control system, wherein the water hardness sensor is arranged in front of the pretreatment unit and is used for detecting the water hardness of raw water; the reverse osmosis treatment unit is arranged behind the pretreatment unit and comprises a reverse osmosis membrane filtering device and a washing unit; the reverse osmosis membrane filtering device is used for purifying water treated by the pretreatment unit; the washing unit is used for washing the reverse osmosis membrane filtering device; the electric control system is used for adjusting the washing degree of the reverse osmosis treatment unit according to the water hardness detected by the water hardness sensor. By adopting the reverse osmosis water purification system disclosed by the invention, the washing degree can be adjusted according to the water hardness of the raw water, and the caking pollution of the reverse osmosis membrane filtering device can be prevented.

The invention discloses a fishery breeding system based on agricultural machinery. The fishery breeding system comprises a fishpond, a feeding device, a catching device, a recognition device, a cleaning device, a positioning device, an anti-theft device and a central processing device; the fishpond is used for breeding fishes; the feeding device is used for scattering feed into the fishpond, recovering algae and processing the algae; the catching device is used for catching the bred fishes; the recognition device is used for recognizing water quality, water temperature, oxygen content and water body height in the fishpond; the cleaning device is used for cleaning garbage and withered branches in the fishpond and purifying the water quality; the positioning device is used for determining the positions of the devices and providing ship route planning; the anti-theft device is used for preventing the bred fishes from being stolen; and the central processing device is connected with the devices and controlls the operation of the devices through comprehensively processing the information transmitted by the devices. The fishery breeding system provided by the invention can be used to effectively improve the fish breeding environment and increase the yield and the quality of the fishes.

The invention discloses an alternating-current permanent magnet synchronous drainage pump with a built-in closed cooling water tank, which comprises a motor assembly and a pump structure assembly, wherein the motor assembly comprises a rotor assembly and a stator iron core; the pump structure assembly comprises an impeller and a pump body; the pump body is provided with an impeller cavity for accommodating the impeller, a rotor cavity for accommodating a permanent magnet rotor and a water-cooling cavity for accommodating cooling liquid; the stator iron core is arranged between the water-cooling cavity and the rotor cavity; the water-cooling cavity is provided with an inner cavity wall covered outside the stator iron core and an outer cavity wall used as a pump body shell; bottoms of the inner cavity wall and the outer cavity wall extend in the opposite directions to form the bottom of the water-cooling cavity; the water-cooling cavity is provided with an opening and is sealed by a pump body gland; and the impeller cavity is formed in front of the pump body gland. In the alternating-current permanent magnet synchronous drainage pump, the cooling liquid in the cooling water tank and fluid pumped by a water pump are independent, so that the water quality of the external complete machine can be prevented from being polluted due to the prevention of the pollution of impurity scales in the pumped fluid on the pump body. The cooling water tank is formed by the pump shell, has a compact structure, and is convenient to assemble and maintain.

The invention relates to a process of preparing industrial high- purity water. The invention is characterized in that it comprises process of first- level hyper-filteration of pre- treated wastewater, second- level hyper-filtration, and preparation of high- purity water in continuous electric deion desalt apparatus. The advantages of this invention are: small device occupation area, low energy consumption, reduced investment, no contact of water produced in second- level hyper-filteration with air and high- quality purified water.

The invention discloses a multi-stage ecological water tank and ecological pond combined system. The system comprises a ladder-type ecological water tank and an ecological pond, wherein the ecological pond is arranged in a river channel and comprises an enclosure which separates out an enclosure region from the river channel, a plurality of bionic aquatic plants are arranged in the enclosure region, and aeration holes corresponding to the bionic aquatic plants are formed in the lower parts of the bionic aquatic plants and are communicated with aeration devices; a water intake is formed in the ecological pond; the ladder-type ecological water tank comprises a first ecological water tank to an Nth ecological water tank which are sequentially arrayed from outside to inside and from high to low; the first ecological water tank is communicated with the water intake through a water intake pipeline; adsorbing fillers are arranged in the first ecological water tank, and filler-water plant-microorganism purification systems are arranged in a second ecological water tank to the Nth ecological water tank; a water outlet is formed in the bottommost ecological water tank in the ladder-type ecological water tank and is communicated with the ecological pond. By combining in situ regulation with abnormal-site regulation of the river channel, the black and odorous water quality is efficiently purified.

The process of eliminating pollutant from underground water with combined nanofiltering membrane includes the following steps: 1. pre-treatment and treating with nanofiltering membrane; 2. analyzing the quality of polluted underground water through measuring Fe and Mn content, potassium permanganate index and relative organic matter molecular weight; 3. determining whether to progress to the following steps through water quality analysis; 4. performing the combined process A or B to treat water to reach drinking water standard in condition of potassium permanganate index not lower than 2.0 mg/l, Fe less than 0.2mg/l and Mn less than 0.05 mg/l; and 5. performing the combined process C or D to treat water to reach drinking water standard in condition of potassium permanganate index not lower than 2.0 mg/l, and Fe less than 0.2mg/l and/or Mn less than 0.05 mg/l. The present invention may be applied widely in water supply of city.

The invention discloses a compound microbial agent for treating dye waste water as well as preparation and application of the compound microbial agent. The compound microbial agent is formed by complexing acinetobacter haemolyticus, Escherichia coli, bacillus flexus, Yersinia intermedia, luther enterobacter and Klebsiella pneumoniae. Complexing is simple and convenient, the broad spectrum is strong, the difficulty that a single microbial agent can not meet the requirement of water quality variation is overcome, and the cost of treating the dye industrial waste water is reduced.

The invention discloses an omnidirectional current meter of a coupled water quality sensor, of which a technical scheme is as follows: the omnidirectional current meter of the coupled water quality sensor comprises a water quality sensor, and the omnidirectional current meter of the coupled water quality sensor is characterized in that the water quality sensor comprises a housing, a fixed shaft is arranged at the centre of the working surface of the water quality sensor, the fixed shaft is provided with an omnidirectional turbine flow rate vane wheel through a bearing, at least two permanent magnets are mounted on the omnidirectional turbine flow rate vane wheel, and magnetic polarities of neighboring permanent magnets are opposite to each other; the housing of the water quality sensor isfurther provided with an induction element of a bipolar latch-type Hall sensor, the induction element is matched with the permanent magnets, and the Hall sensor and the water quality sensor share a power supply circuit and a cable. The omnidirectional current meter of the coupled water quality sensor has the following advantages that: the omnidirectional current meter can be adaptive to the change of flow direction in a water area of which the flow direction is unknown, or can be carried on a buoy to work; and the bipolar latch-type Hall sensor improves the accuracy and the reliability of flow rate measurement, and shares the housing, relative circuits and cables with the water quality sensor, so that cost is reduced, and structure is simplified.

The invention relates to the aquatic feed field and in particular relates to aquatic seedling bait and a preparation process thereof. The aquatic seedling bait provided by the invention adopts artemia powder to replace living artemia egg; the artemia adult resource is abundant, easily available and cheap; the artemia adult is processed into artemia powder, so that most of the nutrition ingredients of the artemia adult are stored; the nutrition balance of the bait is good, so that the bait has a nutrition effect and a water purifying effect; gelatin is uses as a film-coating material of the bait, so that the selective permeation and biodegradability of the bait are good, and therefore, the bait is non-toxic, harmless, good in stability of suspension and reliability of the bait in the water, high in cost performance and capable of lowering the cost by above 50% relative to the bait with the equal nutritional value. The preparation process of the aquatic seedling bait can be used for uniformly mixing various materials, so that the nutrition of single pelletized bait is complete and beneficial to the absorption of the aquatic seedling. Moreover, the aquatic seedling bait is good in stability in water and unlikely to scatter, so that the utilization rate of the bait is improved, and the feeding cost of the aquatic seedling is lowered.

The invention belongs to the field of sludge treatment and particularly relates to a sludge solidifier and a preparation method of the solidifier. The sludge solidifier mainly comprises magnesia, modified kieselguhr, wood ceramic, poly-ferric sulfate, tea saponin, vanillin and sodium silicate. The prepared sludge solidifier has the advantages that the sludge solidifier is simple to operate, has good dehydration, and microorganism and heavy metal removal effects, improves the quality of sludge filtrate, and reduces environmental pollution; the sludge solidifier is low in cost and environment-friendly, and is convenient for large-scale popularization and application.

The invention relates to an intelligent wharf used for docking of an unmanned ship. The intelligent wharf comprises a ship house module, a control center, a server and an upper computer. The ship house module is used for docking of the unmanned ship, fault inspection of the unmanned ship and autonomous wireless charging of the unmanned ship. The control center is used for recognizing and guiding and controlling the unmanned ship to enter the ship house module, collecting the working data of the unmanned ship, uploading the working data of the unmanned ship to the server and receiving the instruction transmitted by the upper computer through the server and forwarding the instruction to the unmanned ship. The upper computer is used for setting the ship route and the water quality detection task of the unmanned ship and forwarding the set ship route and the water quality detection task to be control center through the instruction by the server and accessing the server. Compared with the wharfs in the prior art, autonomous charging of the unmanned ship can be performed so that the endurance capacity of the unmanned ship can be greatly enhanced; meanwhile, working data collection can also be performed so that personnel operation can be reduced and the manpower resources can be saved, the efficiency can be enhanced and the operability of the unmanned ship can be greatly enhanced.

The invention relates to a water purification system for aquiculture and relates to the technical field of water treatment and purification. According to the water purification system for aquiculture, a culture pond, a water pump, a filter device, a precision filter and an ultraviolet (UV) sterilization device form a circulation loop through a pipeline, wherein the filter device consists of a cylindrical settling tank of which the bottom has a shape of an elliptical head and a plurality of filter tanks, which are arranged adjacent to each other in turn, a water body flow direction is formed, and filter cotton is arranged between the settling tank and the filter tanks; the UV sterilization device comprises two annular pipelines and a plurality of circular tubes which are arranged between the two annular pipelines; two ends of the circular tubes are communicated with the annular pipelines through pipelines; UV sterilization lamp tubes and protective tubes are arranged in the circular tubes; the UV sterilization lamp tubes are arranged in the protective tubes; and two ends of the UV sterilization lamp tubes and the protective tubes are fixed through end covers. The water purification system for aquiculture has a wide application range, and large-particle substances, bacteria, excrement and other dirt in the water are effectively settled and filtered; and moreover, physical and chemical conditions for aquatic water are stable, and the efficiency for water treatment is high.

The invention relates to a synchronous hydraulic transmission system, which consists of four modules, namely a water supply module, a control valve bank, a synchronous hydraulic cylinder group and a water-compensating exhaust module, wherein the water supply module supplies water to the system through a water pump; the control valve bank is a high-flow three-position four-way valve; the synchronous hydraulic cylinder group is formed by connecting a sucker rod cavity of a large hydraulic cylinder and a rodless cavity of a small hydraulic cylinder in series through an intermediate communicating pipeline; and the intermediate communicating pipeline is connected with a pipeline and the water-compensating exhaust module respectively. Adopting tap water as a hydraulic transmission medium, the synchronous hydraulic transmission system has the advantages of energy conservation, environmental protection and accurate positioning, prevents hydraulic oil from polluting water quality, meets the requirements of special application occasions, and can be applied in engineering environment of subaqueous elevating stages, the start and stop of water conservancy gates, shipping machines, mining machines and the like.

The invention discloses a method for treating coking wastewater, and relates to the technical field of coking wastewater treatment. A coking wastewater treatment system is adopted for treating, the wastewater treated by the coking biochemical system is pumped into a water distributor, the wastewater is injected into the bottom of an inclined-tube sedimentation tank by the water distributor, the wastewater is blocked by an inclined-tube packing zone in the rising process, the wastewater is discharged from the top of the inclined-tube sedimentation tank after part of suspended matters are removed to enter an upper column liquid tank, the wastewater is pumped to a shallow sand filter group by an upper column liquid pump and filtered and then enters a resin adsorption tower, the wastewater is adsorbed by resin and then the effluent flows into a tail water tank from the tower bottom. By adopting the method, the intercepting efficiency of chroma, COD and total cyanides is high, the yield of concentrated pollutants is low, the water quality stability of discharged tail water is good, the water quality and stability of the tail water are effectively improved, and the water quantity is reduced significantly; and the method has the advantages of short flow, low space occupation, appropriate investment, low operation cost and the like.

The invention discloses a decanting-type waste muddy water recycling pool. The decanting-type waste muddy water recycling pool comprises a recycling pool body, wherein the recycling pool body is divided by a partition wall into a mud settling zone and a water collecting zone, the bottom wall of the mud settling zone gradually inclines towards the opposite side wall along the partition wall, a buoy-type decanting device and a vertical guide rail are arranged in the mud settling zone, the buoy-type decanting device is connected with the vertical guide rail in a sliding manner, a water outlet of the buoy-type decanting device is connected with a water guide pipe, and the water guide pipe is arranged in the partition wall in a sealing manner and extends to the water collecting zone; a muddy water inlet pipe is arranged in the mud settling zone, the side wall of the mud settling zone is provided with a sludge outlet pipe communicated with a sludge pump, and two side walls of the mud settling zone are respectively fixedly provided with a submarine-type sludge stirrer; and a secondary water outlet pipe communicated with a recycling water pump is arranged in the water collecting zone. The decanting-type waste muddy water recycling pool is simple in structure, relatively stable in water quality and water quantity of the recycled secondary water and relatively low in engineering cost and operation cost of equipment.

The invention discloses a green crab fodder and a simple preparation method thereof. The green crab fodder is prepared from 35%-45% of fish meal, 8-15% of shrimp shell powder, 4-6% of sepia powder, 8-12% of peeled bean pulp, 18-25% of high gluten flour, 1-3% of monocalcium phosphate, 2-3% of fish oil, 2% of multidimensional ore and 1-2% of compound adhesive, wherein the compound adhesive is prepared from xanthan gum, sodium carboxymethylcellulose and sodium alginate in proportion. An extruding particle pelletizing method and a simple steam curing method are adopted for curing and bonding the compound adhesive and starch components in the fodder provided by the invention under high temperature, so that the degree of gelatinization is greatly promoted; the prepared fodder has complete nutrition and high water stability, can be used for replacing cured fodders, can be prepared and popularized under simple processing conditions and is capable of reducing energy consumption of production; the formula is optimized, the compound adhesive is added and a simple curing process is adopted, so that the fodder is capable of solving the problems of low water stability, low efficiency of feed utilization, higher bait coefficient and water pollution of the present green crab fodder; the technology according to the invention is simple and the prepared fodder, compared with the traditional fodder, is more environment-friendly and is higher in use ratio.

The invention discloses a high-efficiency floatation method for beryllium ore. In the high-efficiency floatation method, a process flow of reverse beryllium floatation-direct beryllium floatation-re-reverse beryllium floatation is adopted to conduct mineral processing on the beryllium ore containing fluorite; firstly, the reverse beryllium floatation is used for floatation of gangue with better floatability to remove most of harmful element F and major impurity mineral (calcite) to improve the feeding quality of the direct beryllium floatation; secondly, the direct beryllium floatation is used for floatation of beryllium mineral to allow the beryllium mineral to be separated from the gangue difficult to float; and at last, the re-reverse beryllium floatation is used to remove little gangue from rough beryllium concentrate and ensure that F content in the beryllium concentrate meet the requirement of industrial production. The process flow of the floatation method fully conforms to the characteristic of floatability of various minerals; a flow structure and a reagent system are simple; the adaptability to water temperature and water quality is high; the production operation is easy to control; the index of mineral processing is good; and the resource utilization rate is high.

The invention provides a high-adsorption polylactic acid composite biofilm carrier material, which is prepared from the following raw materials by weight: 8-10 parts of diatomaceous earth, 14-18 partsof polylactic acid, 0.3-0.4 part of graphene oxide, 4-6 parts of cassava starch, 2-3 parts of gum arabic, 40-50 parts of polypropylene, 8-12 parts of chitosan, 2-4 parts of nanometer carbon sol, 3-5parts of lignocellulose, 1-2 parts of bentonite, 1-2 parts of hexadecyl trimethyl ammonium bromide, 0.5-1.5 parts of silica sol, 0.3-0.5 part of sodium humate, and 15-20 parts of water. The inventionfurther provides a preparation method of the high-adsorption polylactic acid composite biofilm carrier material. According to the present invention, the high-adsorption polylactic acid composite biofilm carrier material has advantages of light weight, large surface activation area, rich carbon source and low influence of environmental temperature change on adsorption performance; and the filler prepared from the high-adsorption polylactic acid composite biofilm carrier material has advantages of good fluidity, less agglomeration, good adsorption performance, corrosion resistance, duration, high efficiency and the like so as to further improve the water purification effect.

The invention belongs to the technical field of sewage treatment, and in particular to a method for improving the removal effect of nitrogen pollutants in sewage. Efficient nitrogen degrading bacteria are prepared by performing enlarged cultivation on thauera sp. FDN-01. When the nitrogen-containing pollutants in the sewage are degraded, the efficient degrading bacteria are added into an anoxic unit, and aerobic activated sludge which is domesticated successfully is added into an aerobic unit. According to the method provided by the invention, under the condition of simulating coexistence of high-concentration nitrate nitrogen, nitrite nitrogen and ammonia nitrogen, the quality of effluent is far higher than first-level A effluent standard of 'Discharge standard of pollutants for municipal sewage treatment plant' (GB18918-2002) (the total nitrogen is less than or equal to 15 mg/L, and ammonia nitrogen is less than or equal to 5 mg/L), and the removal rate of the total nitrogen in the sewage is high. By the method, secondary pollution to the environment is avoided and the treatment cost is low.

The invention relates to a hydraulic geotextile bag dewatering box. A water seepage tank is formed among platform brackets or separator plates arranged on the bottom layer of the dewatering box; a dewatering bag is flat laid on the platform brackets or the separator plates; a hydraulic bag is flat laid on the dewatering bag; a mud injection opening is formed in the dewatering bag; a water inlet is formed in the hydraulic bag; a water outlet is formed in the water seepage tank; the water inlet of the hydraulic bag is connected with the water outlet of the water seepage tank through a pipe and a water pump. The dewatering box can complete the dewatering process on the water desilting site, and can effectively solve the transport and subsequent disposal problems caused by high moisture content of sludge. According to the invention, the dewatering effect of the geotextile bag is strengthened by using the dewatering box body and the hydraulic function, and the equipment structure and dewatering process are described; the method and equipment can effectively improve the dewatering efficiency of the geotextile bag, reduce the operation time, effectively improve the quality of separated water, and reduce the secondary pollution; the equipment can also be used for dewatering sewage sludge, building mud, bean dregs and other materials.