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37results about How to "Control water quality" patented technology

Rainwater split-flow well device for collecting and recycling site rainwater

The invention relates to a rainwater split-flow well device for collecting and recycling site rainwater, which relates to the technical field of water supply and drainage. The device consists of a water inlet groove (1), a split-flow groove (2) and a collecting groove (3), wherein the water inlet groove is provided with a water inlet pipe (4), a grid (5) and a water outlet (6); the split-flow groove (2) is provided with a split-flow device (7) and a split-flow pipe (8); and the collecting groove (3) is provided with a rainwater collecting valve (9), a rainwater drainage valve (10), a rainwater collecting pipe (11), a rainwater drainage pipe (12) and an inspection manhole (13). Compared with a roof rainwater collecting device, the device can collect as much rainwater as possible; compared with the ordinary rainwater split-flow well, the split-flow device is a flow, time and turbidity-controlled rainwater split-flow device, realizes self-controlled operation, can accurately control water quality and fully guarantees the quality of the collected rainwater; and compared with the ordinary rainwater split-flow well manually operated, the device can help spare future worries for maintenance and management personnel and prevents the engineering accident of water accumulation on a site due to poor drainage caused by faulty manual operation or carelessness.
Owner:香港华艺设计顾问(深圳)有限公司

Hippocampus kelloggi artificial breeding method

The invention discloses a hippocampus kelloggi artificial breeding method. According to the method, male and female hippocampuses, which are aged 1-2 and are healthy, intact, large and fat, are selected to be parent hippocampuses and then separately raised inside nursery ponds; after a period of intensive breeding, the gonad of the parent hippocampuses are nearly mature, during the breeding process, artificial heating is necessary, then the parent hippocampuses are polycultured and then spawn at a individual ratio of 1:1; female hippocampuses in the parenting period are intensively bred and protected, the operation is required to be soft and rapid, the out-water duration cannot be too long and the temperature difference should be less than 2-3 DEG C for avoiding abortion of the male hippocampuses; after giving birth, the male hippocampuses need to be removed out immediately for being bred away from hippocampus fry and accordingly are prevented from devouring or harming the hippocampus fry. The hippocampus kelloggi artificial breeding method provides technical support and theoretical foundation for large-scale commercialized hippocampus culture. According to the hippocampus kelloggi artificial breeding method, the breeding cost is reduced by 50-60%, breeding water quality can be easily controlled through the detection of various water quality indicators before hippocampus stocking, further high survival rate and high growth rate of the hippocampuses can be guaranteed.
Owner:FUJIAN GANGDE AQUATIC PROD CO LTD

Bait for culturing large brine shrimps and culturing method thereof

The invention provides bait for culturing large brine shrimps and a culturing method thereof. The bait comprises, by weight, 2-4 parts of rice bran, 1-3 parts of wheat bran and 0.5-1.5 parts of activity beer yeast. Agricultural and sideline products are fermented to enable substances which are not assimilated easily by the brine shrimps originally to be changed into substances easy to assimilate, and the bait utilization rate is increased; after being reasonably compounded, the bait can provide more comprehensive nutrition needed by growth of brine shrimp individuals; the beer yeast serves as a single-cell nutrient substance, and provides nutrition for the growth of the brine shrimp individuals by itself; factors such as temperature and salinity are monitored and regulated rigorously, and therefore the brine shrimps can grow easily and normally.
Owner:TIANJIN OCEAN PAL CAROL BIOTECH

Artificial breeding method for crayfishes in net cage

The invention discloses an artificial breeding method for crayfishes in a net cage. The method comprises: selecting the net cage; putting and preparing the net cage; inputting parent crayfishes; feeding the crayfishes; cleaning the net cage; and carrying out breeding management. An artificial inductive method of controlling illumination, controlling temperature, controlling water level, controlling water quality and carrying out reinforced feeding is adopted. Illumination is controlled to be less than 300 Lux, the temperature is controlled at 18-26 DEG C, control of water quality means maintaining stable water level, and control of water quality means maintaining dissolved oxygen in a water body being greater than 5 mg / L. The reinforced feeding means adding an animal feed and an artificial compound feed which accelerate gonad development of the crayfishes, cleaning the net cage periodically, and incubating egg-carrying crayfishes in a centralized manner.
Owner:HUBEI CRAYFISH THOROUGHBRED BREEDING CENT CO LTD

Non-power circulating water medicine-adding method and medicine-adding device thereof

The present invention relates to a drug adding method for non-driving circulation water and the corresponding drug-adding device, which belongs to the industrial circulation water treatment technology. The present invention is characterized in that: the present invention adopts the absorbing negative pressure in the circulation water pump; under the condition of without provided with a metering pump, the drug is added into a circulation water pipe net evenly and continually. Besides, by using of installing water sealing and the matching of each device, the device can not only avoid the empty of the water pump, but also can solve the overflowing of losing of the drug-adding as well as the blocking of the pipeline and so on. The method enhances the utilization ratio for the drug of the circulation water and decreases the operation and maintenance cost for the circulation water system, which is adaptable to the circulation water treatment in each industry; the device for implementing the method is simple with low investment, low operation fee and good economical benefit.
Owner:SICHUAN MEIFENG CHEM IND

Red swamp crayfish factory breeding technology

The invention discloses a red swamp crayfish factory breeding technology. The red swamp crayfish factory breeding technology includes the following steps that firstly, a breeding workshop is built; secondly, a multilayer three-dimensional breeding aquarium frame is arranged in the breeding workshop, and each layer of breeding aquarium frame is provided with a plurality of breeding aquariums which are respectively an independent system; thirdly, parent shrimps are put into the breeding aquariums, self-mixed crayfish gonadal development promoting fodder is regularly fed to promote synchronous bulk oviposition of crayfishes, and after oviposition of the crayfishes is finished, shrimps with eggs are uniformly hatched in a hatching aquarium; fourthly, after hatching of zygotes, plankton is fed, after metamorphosis of larvae is finished and the larvae become juvenile crayfishes and leave from parent bodies, the crayfishes can be caught, and breeding is completed. A five-in-one artificial induction breeding technology is adopted to promote synchronous bulk oviposition of the crayfishes, breeding is carried out in a large-scale mode, and the technical problem that breeding seeds are in short supply is solved; meanwhile, due to the adoption of multi-layer three-dimensional full-automatic breeding, the number of emerging seeds per unit area is greatly larger than the number of emerging seeds of cement pit and soil pool breeding.
Owner:湖北莱克食品科技有限公司

Deep water cage culture apparatus of sturgeon

The invention discloses a deep water cage culture apparatus of sturgeon, comprising a floating platform. A cage body and a semi-enclosed cage are fixedly connected to the inner and outer peripheries of the floating platform respectively; a feeding device is arranged at the top center of the cage body and includes a storage chamber; a feeding bucket with a discharge hole is connected to the bottomend of the storage chamber; a lifting rod coaxial to the feeding bucket is arranged at the top of an inner cavity of the feeding bucket; a brush is mounted at the tail end of the lifting rod; the bottom of the brush is in S shape. The deep water cage culture apparatus of sturgeon can ensure culture water quality, improve culture environment, prevent a water body from being polluted, benefit the enhancement of activity of sturgeon's digestive enzyme, and promote the growth of sturgeon.
Owner:ZHEJIANG OCEAN UNIV

Method for rearing parent fishes of ictalurus punctatus

InactiveCN112772475APrevent production planning from getting out of controlGood effectFood processingClimate change adaptationBroodstockEgg masses
The invention discloses a method for rearing parent fishes of ictalurus punctatus. The method comprises the following steps of (1) selecting high-quality parent fishes and putting the high-quality parent fishes into a breeding pond; (2) after the parent fishes are stocked for 5-10 days, starting breeding and feeding, and using fresh fish blocks for feeding from 30 days before spawning of the parent fishes to the breeding period; (3) during the breeding period of the parent fishes, inspecting the activity conditions of the parent fishes late night every day, and when it is found that the parent fishes have chasing reactions on the water surface, putting artificial fish nests into the pond for the parent fishes to lay eggs; and (4) taking out egg masses in the artificial fish nests, putting the egg masses into a water basin filled with pond water, and feeding the egg masses into a hatching room for hatching under the condition of avoiding direct sunlight. The technology for rearing the parent fishes of the ictalurus punctatus is simple and easy to operate, has good promotion effects on optimizing the breeding process, reducing the labor amount and improving the survival and reproductive capacity of the parent fishes, and has good economic benefits and social benefits.
Owner:肥东县水产养殖技术服务中心

Culturing method for blue crab egg-carrying crab phase

A culturing method for a blue crab egg-carrying crab phase relates to the field of aquiculture. A blue crab egg-carrying crab is placed in a crab apartment and cultured, meaning each blue crab egg-carrying crab is bred in a culturing box; water in the culturing box is filtered, ultraviolet-disinfected and protein-separation processed; in high temperature seasons, a crab apartment system can be placed in an air conditioning room; the culturing water temperature is kept at 22 DEG C to 26 DEG C and salinity is kept at 26 to 30; the water can be circulated for 8 times for each day; water exchanging amount for each day can be 15% to 25% of original water amount according to a volume percentage; one to two astartes are fed to each blue crab egg-carrying crab; food residuals and feces are cleaned for one time each day; a blue crab egg-carrying crab embryonic development process is determined according to embryonic development accumulated temperature and embryo heartbeat times; and to-be-hatched blue crab egg-carrying crabs are moved to a hatching barrel. The culturing method is simple and easy to operate.
Owner:XIAMEN UNIV

Penaeus vannamei breeding method

the invention discloses a penaeus vannamei breeding method. The method comprises the following steps: firstly, injecting seawater into a disinfected pond, wherein the pond communicates with a water circulation device; before throwing young penaeus vannamei, performing inoculation by using 10-15 million / mL of chaetoceros and 10-15 million / mL of dunaliella salina, wherein the chaetoceros and the dunaliella salina are cultivated by using a nutrient solution, and the nutrient solution comprises the following raw materials: ferric chloride hexahydrate, ethylenediamine tetraacetic acid disodium salt, copper sulfate pentahydrate, sodium molybdate dihydrate, zinc sulfate heptahydrate, cobalt chloride hexahydrate, manganese chloride tetrahydrate, vitamin B1, vitamin H, vitamin B12, vitamin B6 and sea salt; after the water quality is stable, throwing 450-550 / m<2> of shrimp fry into the pond; feeding 50-500 grams of feed for every ten thousand of shrimps, wherein 15-20% of the shrimp feed is directly eaten by the shrimps, and the balance of the feed is decomposed by a water treatment device to serve as the nutrition of the chaetoceros and dunaliella salina; meanwhile, keeping the density of the chaetoceros and the dunaliella salina in the pond to be 10-15 million / mL; and performing harvesting in 40-70 days after the shrimp fry are thrown. The penaeus vannamei breeding method provided by the invention is high in breeding survival rate, large in prawn specification and large in yield.
Owner:海南良之缘生物科技有限公司

High-efficiency breeding method of grass carp

The invention discloses a high-efficiency breeding method of grass carp, and relates to the technical field of aquaculture. The method comprises the following steps: step 1, construction and transformation of a pond; step 2, pond treatment; step 3, stocking of fry; step 4, feed throwing; step 5, breeding management; step 6, regulation and control of water quality; and step 7, proper fishing. According to the method disclosed by the invention, on the basis of zero water exchange of aquaculture water, carbohydrates are artificially added, so that mass propagation of endogenous microorganisms inthe water in the pond is promoted; and the endogenous microorganisms are utilized to assimilate inorganic nitrogen, the endogenous microorganisms are converted into mycoprotein, so that harmful nitrogen sources such as ammoniacal nitrogen and nitrite nitrogen in the culture pond are reduced, and the water quality environment of the culture pond is improved; and meanwhile, heterotrophic bacteria are subjected to further flocculation to form microbial flocculation clusters, the microbial flocculation clusters are eaten by carp and hypophthalmichthys molitrix, and the method has the effects of regulating and controlling water quality, promoting recycling of nutrients and improving a survival rate of the grass carp on the basis of water saving, energy saving and emission reduction.
Owner:内江市润宏泽凯生物科技有限公司

Energy circulating active convention oxygenating ecological floating island

The invention relates to an energy circulating active convention oxygenating ecological floating island. The energy circulating active convention oxygenating ecological floating island comprises a floating table, at least one oxygenating device, a microbial bed and landscape plants. The floating table is fixed to the water surface through a fixing anchor. The oxygenating device and the landscape plants are fixed to the floating table, and the microbial bed is located underwater and connected with the lower surface of the floating table. Electrolysis and vertical convection design is adopted bythe oxygenating device, hydrogen generated by electrolysed water is recycled and converted into electric energy through a hydrogen cell, and electric energy supplementation is carried in combinationwith a solar power supply device. The microbial bed is arranged in water below a floating body, and provides good living space for microorganisms. According to the energy circulating active conventionoxygenating ecological floating island, energy consumption can be reduced through energy circulation, molecular-grade oxygenating is achieved, meanwhile, vertical convection is formed on a controlledwater area, the overall oxygen dissolving of the controlled water area is effectively improved, the vigor of the water is activated, benign ecological balance is auxiliarily built, and water qualityimprovement of the controlled water area and long-term maintenance of energy circulation are achieved.
Owner:NANJING SINCE MORE ENVIRONMENTAL TECH CO LTD

Method for breeding procambarus clarkii in rice field

The invention discloses a method for breeding procambarus clarkii in a rice field. The method comprises the following steps of 1, rice field selection, wherein an early-maturing rice field with a sufficient water source, flesh water quality, fertile soil, a good water retention property and convenient water entrance and drainage is selected as a breeding field; 2, rice field building, wherein (1)ridges are reinforced; (2) procambarus clarkii breeding ditches are dug; and (3) anti-escape facilities are arranged; 3, seedling releasing preparation, wherein (1) quick lime is applied to the procambarus clarkii breeding ditches for disinfection 15 days before seedling releasing; (2) farmyard manure is applied; and (3) waterweeds are transplanted in the procambarus clarkii breeding ditches; four, procambarus clarkii larva stocking, wherein parent procambarus clarkii is stocked before and after September, and procambarus clarkii larvae are put in before and after May; 5, rice transplanting insertion, wherein rice seedlings are transplanted into the rice field in the early June; 6, food feeding, wherein pellet feed serves as a main material; 7, water quality management, wherein water is changed according to the season; and 8, procambarus clarkii appearing timely on the market, wherein the procambarus clarkii conforms to specifications on the market, and the procambarus clarkii is caught timely. The method for breeding the procambarus clarkii in the rice field has the advantages that in the process of breeding, anti-escape measures are taken, enough feed is supplemented, the water quality is controlled, and the yield of the procambarus clarkii can be improved.
Owner:霍邱县朱塔寺粮食种植专业合作社

Constant-temperature swimming pool beneficial to dirt removal

The invention provides a constant-temperature swimming pool beneficial to dirt removal, and relates to the technical field of water temperature control and swimming water cleaning of swimming pools. The constant-temperature swimming pool beneficial to dirt removal comprises a swimming pool body. The swimming pool body comprises a swimming pool bottom surface and swimming pool side walls. A horizontal sediment heating water ditch is formed in the bottom surface of a deep area of the swimming pool. One or more longitudinal sediment heating water ditches which are perpendicular to and communicatewith the horizontal sediment heating water ditch are arranged in parallel. Conduction oil pipes are arranged in the horizontal sediment heating water ditch and the longitudinal sediment heating waterditches, and multi-hole cover plates and single-hole cover plates are arranged above the conduction oil pipes. A filter device and a conduction oil furnace station are arranged at appropriate positions of the swimming pool. According to the constant-temperature swimming pool beneficial to dirt removal, the longitudinal and horizontal sediment heating water ditches and the filter device are arranged so that dirt containing bacteria can be automatically collected and removed; conduction oil is used for heating a water source of the swimming pool, so that the temperature of swimming water is kept constant; a whole system can be set through the conduction oil furnace station to be automatically controlled to work, so that the labor intensity of workers is low, regular supplement of the swimming water source and replacement of water in the whole swimming pool are avoided, and the water quality, water temperature and bacteria can be effectively controlled; and a small dose of chemicals is added, the operating cost is low, the structure is simple, energy is saved, and environmental friendliness is achieved.
Owner:湖南金桂建设有限公司

STD type technology and system for recovering condensate water of coal moisture control

ActiveCN102849871AGuaranteed pressure and flowInhibit pipeline corrosionMultistage water/sewage treatmentWater/sewage treatment by neutralisationDiamineChemistry
Disclosed are an STD type technology and a system for recovering condensate water of coal moisture control. The technology includes (1) inducing condensate water from a flash tank into a condensate storage tank, and adding treating agent involving at least one of ammonia water, sodium hydroxide, diamine and sodium phosphate to result in that the condensate water, after reaction of the condensate water and treating agent, has pH of 8-9.5, hardness of 2 Mumol / L and diamine concentration of 20-100 Mug / L; (2) filtering the condensate water after the reaction to remove precipitate generated by reaction of total iron in the condensate water and added agent; and (3) inducing the filtered condensate water into a pure water tank or an oxygen remover in coke dry quenching section for reutilization, wherein content of the total iron is smaller than 50 Mug / L, conductivity of the total iron is not larger than 20 Mus / cm, and the condensate water is introduced into the pure water tank after temperature thereof is adjusted to no larger than 60 DEG C.. The invention effectively utilizes excess heat while recovering condensate water; and simultaneously ensures that the condensate water quality satisfies water requirement of coke dry quenching and eliminates effects of steam pipe net, coal moisture control drier and condensate water pipeline on the water quality.
Owner:BAOSHAN IRON & STEEL CO LTD

Water-bath sterilization device

The invention provides a water-bath sterilization device, which includes a water-bath sterilization pool, and a conveyor belt is arranged in the water-bath sterilization pool; wherein the left and right ends of the water-bath sterilization pool are respectively equipped with a high-temperature box and a cooling box; wherein the water-bath sterilization pool The bottom of the sterilization tank is provided with several spiral stirring rods in turn; each of the spiral stirring rods is provided with a sliding arm; one end of the water bath sterilization tank is connected with a detection device. The beneficial effect of the invention is that the design is reasonable, the manufacture is stable, the fluidity can be increased and the sterilizing effect can be increased at the same time.
Owner:肖琴

Efficient carp farming method by using free-of-water changing pond

An efficient carp farming method by using a free-of-water changing pond relates to a carp farming method. The efficient carp farming method aims at solving the problems of low farming efficiency, serious per se pollution to a farming water body and low survival rate of carps existing in the traditional farming method. The efficient carp farming method provided by the invention comprises the following steps: 1. setting of pond conditions; 2. fish seed farming; 3. feedstuff feeding; 4. farming management; and 5. regulation and control of water quality. The efficient carp farming method has the advantages of being free of discharging of farming sewage in the farming process and pollution to surrounding environments and capable of effectively increasing the survival rate of carps. The efficient carp farming method is applied to the field of carp farming.
Owner:HEILONGJIANG RIVER FISHERY RES INST CHINESE ACADEMY OF FISHERIES SCI

Directional cultivation method of diatoms in freshwater aquaculture ponds

The invention discloses a directive breeding method for culturing pond diatom in fresh water. By regulating the contents of nitrogen, phosphorus, silicates and minor elements in the culture pond and considering the pH value and diatom inoculation concentration, favorable algal facies using diatom as the dominant species are directively bred in the pond, thereby promoting the mass reproduction of the pond diatom, preventing the outbreak of the high-yield culture pond blue algae, and increasing the culture yield. Besides, the method can effectively regulate the water quality, reduce the disease incidence rate and enhance the culture yield and culture product quality. The method is simple, does not need any supporting facility, and can be popularized and applied more easily.
Owner:YANGTZE RIVER FISHERIES RES INST CHINESE ACAD OF FISHERY SCI

Culture method of South American prawn

the invention discloses a penaeus vannamei breeding method. The method comprises the following steps: firstly, injecting seawater into a disinfected pond, wherein the pond communicates with a water circulation device; before throwing young penaeus vannamei, performing inoculation by using 10-15 million / mL of chaetoceros and 10-15 million / mL of dunaliella salina, wherein the chaetoceros and the dunaliella salina are cultivated by using a nutrient solution, and the nutrient solution comprises the following raw materials: ferric chloride hexahydrate, ethylenediamine tetraacetic acid disodium salt, copper sulfate pentahydrate, sodium molybdate dihydrate, zinc sulfate heptahydrate, cobalt chloride hexahydrate, manganese chloride tetrahydrate, vitamin B1, vitamin H, vitamin B12, vitamin B6 and sea salt; after the water quality is stable, throwing 450-550 / m<2> of shrimp fry into the pond; feeding 50-500 grams of feed for every ten thousand of shrimps, wherein 15-20% of the shrimp feed is directly eaten by the shrimps, and the balance of the feed is decomposed by a water treatment device to serve as the nutrition of the chaetoceros and dunaliella salina; meanwhile, keeping the density of the chaetoceros and the dunaliella salina in the pond to be 10-15 million / mL; and performing harvesting in 40-70 days after the shrimp fry are thrown. The penaeus vannamei breeding method provided by the invention is high in breeding survival rate, large in prawn specification and large in yield.
Owner:海南良之缘生物科技有限公司

Rainbow trout culture environment release system for environmental release detection of nucleic acid vaccine and environmental release method thereof

The invention discloses a rainbow trout culture environment release system for environmental release detection of a nucleic acid vaccine and an environmental release method of the rainbow trout culture environment release system for the environmental release detection of the nucleic acid vaccine, and belongs to the technical field of rainbow trout environment release detection. The rainbow trout culture environment release system for the environmental release detection of the nucleic acid vaccine comprises a first cement pond and a second cement pond, wherein the first cement pond and the second cement pond are arranged in parallel, a plurality of culture ponds and circulating return water reservoirs are arranged in the first cement pond, and a plurality of three-level wastewater treatmentponds are arranged in the second cement pool; a biological filtering device is arranged above the second cement pond, a water output pipe of the biological filtering device is communicated with an ultraviolet disinfecting device, the ultraviolet disinfecting device is communicated with the culture ponds through pipelines, the biological filtering device is communicated with the circulating returnwater reservoirs through circulating water pipes, a steel frame structure is erected above the first cement pond and the second cement pond, and a transparent plastic film and a sunshade net cover the steel frame structure; a stainless steel mesh fence is arranged at the peripheries of the first cement pond and the second cement pond, and a safety door is arranged on the fence. The rainbow troutculture environment release system for the environmental release detection of the nucleic acid vaccine and the environmental release method of the rainbow trout culture environment release system forthe environmental release detection of the nucleic acid vaccine disclosed by the invention are used for the environmental release detection of the nucleic acid vaccine.
Owner:HEILONGJIANG RIVER FISHERY RES INST CHINESE ACADEMY OF FISHERIES SCI

Diversion type oil-water separator

The invention relates to a diversion type oil-water separator. The diversion type oil-water separator comprises a transmission device, a frame and an oil removal band, the frame is fixedly provided with a transmission shaft through two bearings, the transmission shaft is connected with the transmission device through a shaft coupling, the oil removal band is sleeved on the transmission shaft, two sides of the oil removal band are provided with guiding wheel shafts positioned at the lower end of the frame, the front end surface of the oil removal band is provided with a guiding shaft cylinder positioned at the lower end of the frame, a diversion box is arranged below the frame and is positioned below a liquid level, the lower end of the oil removal band is immersed in the diversion box, the frame is provided with a self-priming diversion pump, the self-priming diversion pump is connected with the diversion box through a drainage tube and is provided with a return tube, and the tail end of the return tube is positioned below the diversion box. The diversion type oil-water separator has the advantages of simple structure, installation nearby an outlet without installation at the outlet of a pool body, no civil engineering requirements, good oil removal uniformity, no influence by the height of the water level, and realization of satisfactory control of the quality of outlet water through adopting diversion pump return.
Owner:YANGZHOU DAYANG WATER SUPPLY EQUIP

Cleaning system for selection plating product developing process

The invention relates to a cleaning system for a selection plating product developing process. The system comprises a developing bath, a releasing and rinsing bath, a neutralization bath, a front rinsing bath, a cleaning bath and a rear rinsing bath, wherein the front rinsing bath comprises a plurality of first branch rinsing baths which can be filled with ionized water from front to back; and the rear rinsing bath comprises a first rear rinsing bath group and a second branch rinsing bath group from front to back, wherein the first rear rinsing bath group comprises a plurality of second branch rinsing baths and can be filled with municipal water, and the second branch rinsing bath group comprises a plurality of third branch rinsing baths and can be filled with deionized water. The system also comprises a temporary storage cylinder, wherein the front rinsing bath and the second rear rinsing bath group are respectively connected with the temporary storage cylinder and respectively used for supplying deionized water to the temporary storage cylinder; a sodium bicarbonate solution is supplied to the temporary storage cylinder; and the temporary storage cylinder is connected with the neutralization bath and used for supplying neutralizing liquid to the neutralization bath. The cleaning system for the selection plating product developing process can be used for controlling water quality of each section and cleaning, is advantageous to smoothly removing flowing slag, and can be used for solving the problem that a flexible printed circuit board cannot be clearly cleaned and increasing the utilization rate of deionized water.
Owner:CHUNHUA TECHNOLOGICAL KUSN

STD type technology and system for recovering condensate water of coal moisture control

Disclosed are an STD type technology and a system for recovering condensate water of coal moisture control. The technology includes (1) inducing condensate water from a flash tank into a condensate storage tank, and adding treating agent involving at least one of ammonia water, sodium hydroxide, diamine and sodium phosphate to result in that the condensate water, after reaction of the condensate water and treating agent, has pH of 8-9.5, hardness of 2 Mumol / L and diamine concentration of 20-100 Mug / L; (2) filtering the condensate water after the reaction to remove precipitate generated by reaction of total iron in the condensate water and added agent; and (3) inducing the filtered condensate water into a pure water tank or an oxygen remover in coke dry quenching section for reutilization, wherein content of the total iron is smaller than 50 Mug / L, conductivity of the total iron is not larger than 20 Mus / cm, and the condensate water is introduced into the pure water tank after temperature thereof is adjusted to no larger than 60 DEG C.. The invention effectively utilizes excess heat while recovering condensate water; and simultaneously ensures that the condensate water quality satisfies water requirement of coke dry quenching and eliminates effects of steam pipe net, coal moisture control drier and condensate water pipeline on the water quality.
Owner:BAOSHAN IRON & STEEL CO LTD

Factory Breeding Method of Procambarus clarkii

The invention discloses a red swamp crayfish factory breeding technology. The red swamp crayfish factory breeding technology includes the following steps that firstly, a breeding workshop is built; secondly, a multilayer three-dimensional breeding aquarium frame is arranged in the breeding workshop, and each layer of breeding aquarium frame is provided with a plurality of breeding aquariums which are respectively an independent system; thirdly, parent shrimps are put into the breeding aquariums, self-mixed crayfish gonadal development promoting fodder is regularly fed to promote synchronous bulk oviposition of crayfishes, and after oviposition of the crayfishes is finished, shrimps with eggs are uniformly hatched in a hatching aquarium; fourthly, after hatching of zygotes, plankton is fed, after metamorphosis of larvae is finished and the larvae become juvenile crayfishes and leave from parent bodies, the crayfishes can be caught, and breeding is completed. A five-in-one artificial induction breeding technology is adopted to promote synchronous bulk oviposition of the crayfishes, breeding is carried out in a large-scale mode, and the technical problem that breeding seeds are in short supply is solved; meanwhile, due to the adoption of multi-layer three-dimensional full-automatic breeding, the number of emerging seeds per unit area is greatly larger than the number of emerging seeds of cement pit and soil pool breeding.
Owner:湖北莱克食品科技有限公司

Water quality control system of culturing farm

The invention discloses a water quality control system of a culturing farm. The water quality control system comprises a liquid level sensor, a temperature sensor, a water pressure sensor, an ozone concentration detecting module, a control module, a sewage treatment control valve module, a water pump control module and a wireless communication module. The liquid level sensor, the temperature sensor, the water pressure sensor, and the ozone concentration detecting module are connected to the input terminal of the control module; and the output terminal of the control module is connected with the sewage treatment control valve module, the water pump control module and the wireless communication module. According to the invention, the water quality and sewage processing of the culturing farmcan be controlled and the intelligence degree of the culturing farm is increased, so that the water is saved and the culturing quality is improved.
Owner:宜宾市翠屏区远鹏养殖种植专业合作社

A swimming pool with convenient decontamination and constant temperature

The invention provides a constant-temperature swimming pool beneficial to dirt removal, and relates to the technical field of water temperature control and swimming water cleaning of swimming pools. The constant-temperature swimming pool beneficial to dirt removal comprises a swimming pool body. The swimming pool body comprises a swimming pool bottom surface and swimming pool side walls. A horizontal sediment heating water ditch is formed in the bottom surface of a deep area of the swimming pool. One or more longitudinal sediment heating water ditches which are perpendicular to and communicatewith the horizontal sediment heating water ditch are arranged in parallel. Conduction oil pipes are arranged in the horizontal sediment heating water ditch and the longitudinal sediment heating waterditches, and multi-hole cover plates and single-hole cover plates are arranged above the conduction oil pipes. A filter device and a conduction oil furnace station are arranged at appropriate positions of the swimming pool. According to the constant-temperature swimming pool beneficial to dirt removal, the longitudinal and horizontal sediment heating water ditches and the filter device are arranged so that dirt containing bacteria can be automatically collected and removed; conduction oil is used for heating a water source of the swimming pool, so that the temperature of swimming water is kept constant; a whole system can be set through the conduction oil furnace station to be automatically controlled to work, so that the labor intensity of workers is low, regular supplement of the swimming water source and replacement of water in the whole swimming pool are avoided, and the water quality, water temperature and bacteria can be effectively controlled; and a small dose of chemicals is added, the operating cost is low, the structure is simple, energy is saved, and environmental friendliness is achieved.
Owner:湖南金桂建设有限公司

Overwater plant cultivation raft and manufacturing method thereof

The invention belongs to a floating body which is arranged on the water surface and is used for plant cultivation, and particularly relates to an overwater plant cultivation raft and a manufacturing method thereof. The overwater plant cultivation raft mainly comprises floating bodies and a raft body... The overwater plant cultivation raft is characterized in that two floating bodies are respectively connected with two ends of the raft body; and a net body is arranged in the raft body to form a floating planting bed. The cultivation raft can adjust the root depth under water according to the growth need of cultivated plants, and is applicable to the cultivation of multiple kinds of aquatic plants; and according to the overwater plant cultivation raft, the water quality is improved, the additional benefits can be produced, and the need for sustainable development is met.
Owner:CHINA CONSTR ENG DESIGN GROUP

An energy circulation active convection oxygenation ecological floating island

The invention relates to an energy circulation active convection oxygenation ecological floating island, which comprises a floating platform, at least one oxygenation device, a microbial bed and landscape plants; the floating platform is fixed on the water surface by fixed anchors; On the platform, the microbial bed is located underwater and connected to the lower surface of the floating platform; the aeration device adopts electrolysis and up-and-down convection design, uses hydrogen fuel cells to recover and convert hydrogen generated by electrolysis of water into electrical energy, and combines solar power supply devices for electrical energy Supplement: The layout of the microbial bed and the water body below the floating body provide a good living space for the microorganisms. The present invention can reduce energy consumption through energy circulation, realize molecular-level oxygenation, and at the same time control waters to form up-and-down convection, effectively improve and control the overall dissolved oxygen in waters, activate the vitality of water bodies, assist in building a benign ecological balance, and realize the improvement of water quality in controlled waters and The energy cycle is maintained for a long time.
Owner:NANJING SINCE MORE ENVIRONMENTAL TECH CO LTD

Cleaning system for selection plating product developing process

The invention relates to a cleaning system for a selection plating product developing process. The system comprises a developing bath, a releasing and rinsing bath, a neutralization bath, a front rinsing bath, a cleaning bath and a rear rinsing bath, wherein the front rinsing bath comprises a plurality of first branch rinsing baths which can be filled with ionized water from front to back; and the rear rinsing bath comprises a first rear rinsing bath group and a second branch rinsing bath group from front to back, wherein the first rear rinsing bath group comprises a plurality of second branch rinsing baths and can be filled with municipal water, and the second branch rinsing bath group comprises a plurality of third branch rinsing baths and can be filled with deionized water. The system also comprises a temporary storage cylinder, wherein the front rinsing bath and the second rear rinsing bath group are respectively connected with the temporary storage cylinder and respectively used for supplying deionized water to the temporary storage cylinder; a sodium bicarbonate solution is supplied to the temporary storage cylinder; and the temporary storage cylinder is connected with the neutralization bath and used for supplying neutralizing liquid to the neutralization bath. The cleaning system for the selection plating product developing process can be used for controlling water quality of each section and cleaning, is advantageous to smoothly removing flowing slag, and can be used for solving the problem that a flexible printed circuit board cannot be clearly cleaned and increasing the utilization rate of deionized water.
Owner:CHUNHUA TECHNOLOGICAL KUSN

A kind of bait ecological breeding method for larvae

ActiveCN104705530BReasonably control the densityLow densityFodderClimate change adaptationEvery Two WeeksWater quality
The invention discloses an ecological culture method of bait for brevifilis fry. The method comprises the following steps: A, constructing a bait pond; B, disinfecting the bait pond; C, applying fertilizer, namely, applying 8 to 12kg of special fishing fertilizer at every 667m<3>, and then compensating 8 to 12g of urea and 0.4 to 0.6g of superphosphate at each cubic meter in every two weeks; D, introducing young water earthworm, namely, draining water from the bait pond in March, uniformly spreading young water earthworm based on the standard of 0.4 to 0.6kg / m<2> to the bottom of the bait pond, and then adding water being 5cm in depth to cover the young water earthworm; E, ecologically managing, namely, adding 47-53kg of snails at every 667m<2> to control the water quality, and overturning the pond once through a rake at every 15 days; F, daily managing; and G, collecting once every 30 days at night, namely, adding cold water to the bait pond, irradiating through light to attract water earthworm to gather, and then collecting through a mesh bag formed by 40-meshes polyethylene fiber mesh cloth.
Owner:射阳县云昭饲料有限公司
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