128results about How to "Reduce water intake" patented technology

The invention relates to a real-time dynamic 3D water balance monitoring system of a power plant and a working method of the system. The system is characterized by comprising a data collection module, a data transmission module, a data storage module, a monitoring center and a data analysis and application module, wherein the data collection module collects flow data, and the data transmission module returns data collected by the data collection module in real time. Water volume data of different collection points is collected by the data collection module, transmitted to the data storage module by the data transmission module, and further transmitted to the data analysis and application module by the data storage module. The system and method have the advantages that the relation between water volume change and generating load is found via data analysis, the imbalance rate is calculated, and thus, scientific basis is provided for planning water-saving measures of the power plant.

The invention relates to a system and method for controlling the concentration ratio of an open type circulating cooling water system. The system for controlling the concentration ratio of the open type circulating cooling water system includes a control system and a cooling tower; a cooling tower water tank with a cooling tower water tank liquidometer is arranged below the cooling tower; the bottom of the cooling tower water tank is provided with a pollution discharge pipeline; the pollution discharge pipeline is provided with a circulating water conductivity meter, a circulating water temperature gauge, a pollution discharge electric control valve and a pollution discharge flowmeter; a water entering pipeline used for supplementing the cooling tower water tank with water is arranged above the cooling tower water tank; and the water entering pipeline is provided with a water supplementation flowmeter, a water supplementation conductivity meter, a water supplementation electric control valve and a water supplementation temperature gauge, wherein the water supplementation electric control valve is connected with the cooling tower water tank liquidometer. With the system and method of the invention adopted, automatic continuous and stable water supplementation and pollution discharge of the open type circulating cooling water system can be realized; automatic continuous on-line monitoring on the concentration ratio of circulating water can be realized; and concentration ratio fluctuation which is caused by intermittent water supplementation and pollution discharge of the circulating cooling water system can be avoided, so that the quality of the circulating water can be stabilized.

The invention provides a seawater desalination preparation device, comprising a water inlet unit (a), a pretreatment unit (b) and a reverse osmosis unit (c) which are connected according to the water inflow sequence, wherein, the water inlet unit (a) is used for sending seawater to be desalinized to the pretreatment unit, and the seawater to be desalinized is drainage of uniflow circulated cooling water from an electric power plant; the pretreatment unit (b) comprises a precipitation device and a filtration device which are connected according to the water inflow sequence, wherein, the upper stream of the precipitation device is connected with a water inlet unit, while the down stream of the precipitation device is connected with the filtration device; and the reverse osmosis unit (c) comprises a boost device, an energy recovery device and a reverse osmosis device which are connected according to the water inflow sequence, wherein, the upper stream of the boost device is communicated with the filtration device in the pretreatment unit, while the down stream of the boost device is communicated with the reverse osmosis device. The seawater desalination preparation device has low cost, thereby the device can be popularized in a large scale and protect environment with scale merit, and can be used for preparing ultrapure water.

This invention relates to whole set equipment for processing, recovering and utilizing waste water of spraying spinning machines composed of an oil-isolation adjusting basin, a two-way overfall separation processor, a compounding cleansed air-floater, a mide water-basin, a multi-medium filter and a recovery and utilization basin connected orderly, in which, the two-way overflow separating processor is composed of an internal overflowing tank, a honeycomb tilted tube, a multi-hole delivery pipe, a mud pipe, an overflowing basin of a mud bin and a multi-layer multi-section reaction basin divided into 8-16 sections, which combines a self-designed two-way overflow separator with a combined cleansed gas-floater, a multi-medium filter and a mud processor tightly to process and recover waste water of spraying spinning machines selectively.

The invention relates to a natural cooling intelligent fan set, which has two integrated and split-type structures. The difference between the two structures is whether an air outlet is separated from a set host. The natural cooling intelligent fan set comprises the set host, a controller and a manual operation device. One side of the set host is provided with the controller and the manual operation device. The inside of the set host is provided with an EC centrifugal fan, a temperature sensor, a humidity sensor, a fan switch control device, a temperature control device and a monitor. The natural cooling intelligent fan set is also provided with an air supply outlet and the air outlet. A method for the natural cooling intelligent fan set comprises that when signals acquired by the temperature sensor and the humidity sensor meet requirements, an air-conditioning system is closed, and the EC centrifugal fan is started; and the outdoor low-temperature air is introduced in the room by the air supply outlet, and at the same time the hot air is exhausted from a base station by the air outlet. The invention has the advantages that the natural cooling intelligent fan set realizes temperature reduction by introducing the outdoor low-temperature air into the room to achieve the aim of energy saving and emission reduction; and the natural cooling intelligent fan set has simple system structure, convenient implementation and low cost, is suitable for the society development demand and is beneficial for popularization of the product.

The invention discloses an underground coal mine water hole prevention and control high-water-pressure water jacking directional drilling tool and drilling method. The directional drilling tool comprises a drill string body and a directional drill bit which are connected in sequence, and an inner annular hollow flow channel is arranged around the external of the drill string body; a ''Y-type'' structure flush fluid circulation flow channel consisting of a central flow channel and the inner annular hollow flow channel and an outer annular hollow flow channel formed between the drilling tool anda bore wall, the flush liquid is always flowing in the ''low back pressure'' state, the ''reactive'' load of a mud pump is substantially reduced, the effective utilization rate of the hydraulic energy can be improved by 15% or above, and it is ensured that the normal working and output torque parameters of the hole bottom power drilling tool do not change significantly under the working conditionof large water inrush of the high water pressure formation towards the inside of a hole. The drilling tool can normally directionally drill in the formation water outlet pressure condition of 6.0MPaor above, so that the downhole directional drilling water pressure resistance is improved by 50% or above, and the water jacking directional drilling hole-forming depth is 500m or above.

The invention discloses an efficient seawater desalination and comprehensive utilization method. The efficient seawater desalination and comprehensive utilization method comprise following steps: carrying out pretreatment on raw seawater, filtering using a microfiltration and/or ultrafiltration device to obtain pretreated seawater; adding a scale inhibitor into the pretreated seawater; pressurizing and conveying the pretreated seawater into a primary nanofiltration device; adjusting the pH value of obtained primary nanofiltration produced water to 3-7, pressurizing and feeding into a secondarynanofiltration device; mixing obtained primary nanofiltration concentrated water with obtained secondary nanofiltration concentrated water; adding a precipitant to react with SO4<2-> in an obtained concentrated water mixed solution to generate calcium sulfate precipitate; continuously adding lime emulsion into an obtained reacted mother liquor to react with Mg<2+> in the mother liquor to generatemagnesium hydroxide precipitate, adjusting the pH value of the residual mother liquor to 7-8, producing sodium chloride and calcium chloride through multi-effect evaporation, adjusting the pH value of obtained secondary nanofiltration produced water to 6.5-7.8, and pressurizing and introducing the secondary nanofiltration produced water into a reverse osmosis seawater desalination device. According to the efficient seawater desalination and comprehensive utilization method, seawater grading pretreatment process is adopted, the component difference of various concentrated water is fully utilized, seawater desalination and the chemical technology are combined, and the fresh water yield and the seawater utilization rate are increased.

The invention relates to a 'rotating floating body boat', in particular to a displacement surface novel ship, belonging to the field of shipbuilding industry. The rotating floating body boat is formed by rotating floating bodies, a boat platform, boat side plates, a bow sealing plate and a stern sealing plate, and a power and propulsion device. The rotating floating bodies which do not sink, have buoyancy and rotate at high speed form the rotating floating body boat of any size with a single row, two rows, three rows and more rows of rotating floating bodies. The firm and integral boat platform is supported by rotating floating body shafts, bearings and bearing seats. The boat platform is higher than water surface. When the rotating floating body boat sails at high speed, waves are not generated and the wave making resistance is eliminated, the water friction resistance is greatly reduced, the boat speed is greatly improved, the goals of energy saving and emission reduction are reached, the boat does not sink and the safety is high, the boat can substitute for all kinds of ships in the prior art, and the boat is a novel product for ship update.

The invention discloses an advanced treatment method and device of coking wastewater and relates to the technical field of coking wastewater treatment. The advanced treatment method of coking wastewater comprises steps as follows: (1) treating the coking wastewater with a biochemical method; (2) adding a gangue-based inorganic polymer coagulant and performing efficient coagulation and filtration;(3) performing adsorption with reproducible filler, and enabling a desorption solution to flow back to a biochemical device for biochemical treatment after microelectrolysis and Fenton treatment; (4)sequentially performing ultrafiltration, nanofiltration and reverse osmosis treatment and treating reverse-osmosis high-concentration brine water through membrane distillation and crystalizing coupling. A series of environmental protection problems caused by drainage of the coking wastewater are solved, and the method and the device have very remarkable social and environmental benefits, also haveprofound significance in survival and sustainable development of the coking industry, improvement of the ecological environment and water resource saving and are suitable for large-scale popularization in the coking industry.

The invention provides a ventilation and heat dissipation system for a transformer room of a semi-buried box-type substation, comprising an upper box as a switch cabinet room and a lower box as a transformer room, the neck of the lower box is exposed to the ground. It sets the lower air outlet of the transformer room on one side or both sides above the neck of the lower box; in the upper box, a ventilation compartment that penetrates up and down is set, the lower part is connected to the transformer room, and the upper part is formed by opening on the top of the upper box. The upper air outlet is equipped with an exhaust fan; the upper box and the lower box are not connected except for the ventilation compartment. The ventilation compartment also serves as access for maintenance personnel into the transformer room. The lower tuyere of the present invention is higher than the ground plane, and rainwater is difficult to enter the transformer room. The lower air outlet and the upper air outlet have a large height difference, which is easy to form convection of cold and hot air. The ventilation system of the transformer room and the switch cabinet room are separated, which improves the ventilation efficiency.

The present invention aims at raising the utilization rate of industrial water. The scheme of the present invention includes reverse osmose and ion exchange combining desalting process to prepare water for steam boiler. Of the concentrated liquid of reverse osmose after being softened, one part is returned to reverse osmose treatment to raise the water recovering rate while the other part is reverse osmose treated with the permeated liquid after being treated is used to replace fresh water to replenish circular water. This can improve water quality in circular water system while saving fresh water consumption. The method of the present invention can raise water utilizing rate and is suitable for plants with both steam boiler and circular cooling water system.

The invention discloses a hydrostatic test compensator. The hydrostatic test compensator is a cylinder which can bear the external pressure not less than the pressure size of the hydrostatic test for a pipe without damage; the cylinder is a solid cylinder or is in a hollow shell structure with the two ends sealed by adopting sealing heads. The invention also discloses a method of carrying out pipe hydrostatic tests, and the method comprises following steps: propelling the hydrostatic test compensator into a pipe to be tested, then fixing the pipe to be tested, which has been stuffed with the hydrostatic test compensator, and the hydrostatic test compensator to a hydrostatic test machine, and then carrying out hydrostatic tests according to normal methods. When the hydrostatic-test compensator is used for the hydrostatic test of the pipe, due to the capability of bearing the external pressure, the hydrostatic-test compensator is not deformed in the process of the hydrostatic test of the pipe, so that the water feeding time and the water discharging time in the hydrostatic test can be greatly reduced, and therefore the whole time for the hydrostatic test of the pipe is reduced and the efficiency of the hydrostatic test is increased.

The invention discloses a method for avoiding an in-furnace detonation in the furnace shutdown process of a 3200 m3 blast furnace. The technical problems of low safety, low efficiency and high cost existing in the furnace shutdown process of a 3200 m3 blast furnace in the prior art are mainly solved. According to the technical scheme, the method for avoiding the in-furnace detonation in the furnace shutdown process of the 3200 m3 blast furnace comprises the steps that before the furnace shutdown of the blast furnace begins, nitrogen pipelines communicating with a blast furnace body coal injection hole and a furnace body static pressure hole are added correspondingly; at the beginning stage of a blast furnace shutdown descending stockline, steam is injected into the blast furnace through the blast furnace top, and nitrogen is injected into the blast furnace through a blast furnace tuyere, the blast furnace body coal injection hole and the furnace body static pressure hole correspondingly; and from when a stockline in the blast furnace is lowered to the blast furnace body static pressure hole to the end of the blast furnace shutdown, the flow of the nitrogen injected at the blast furnace body static pressure hole is controlled to 6800-7200 Nm3/h. The method is safe, reliable, easy and convenient to operate and low in cost.

The invention provides a water-heat-power cogeneration system and method based on seawater desalination and cascade energy consumption, and relates to the field of water-heat-power cogeneration. The system comprises a seawater desalination system, a gradient utilization system, an energy storage frequency modulation system and a station service system. The seawater desalination system is configured to desalinate drainage water of a secondary circulation cooling tower through desalination equipment to obtain desalted water and output the desalted water, and the desalination equipment takes power from the station service system; the gradient utilization system is configured to obtain steam output by a steam turbine generator unit for gradient utilization and output high-pressure industrial steam, medium-pressure industrial steam and low-pressure industrial steam respectively; and the station service system comprises working sections of two units and is connected with a back pressure machine and the energy storage frequency modulation system, and the back pressure machine and the energy storage frequency modulation system are merged into a station service network. Fresh water is prepared through seawater desalination, and the water supplementing requirement of the back pressure machine and a temperature and pressure reduction bypass system for supplying industrial steam to the outside is met. Power generated by a backpressure generator has access to the station service system, so that station service power is saved; the power for seawater desalination is from the station service system; and co-production of water, heat and power is realized.

The invention relates to the technical field of breeding devices and particularly discloses a giant salamander breeding pond. The giant salamander breeding pond comprises a breeding pond body, whereina separation net is arranged in the middle of the breeding pond and divides the breeding pond into a hatching zone and a growth zone, a hatching bucket is arranged in the hatching zone, the bottom ofthe hatching bucket is hinged to a mounting base, a water draining pipe horizontally penetrates through the bottom wall of the hatching bucket, and air bags are uniformly distributed in the hatchingbucket. The giant salamander breeding pond also comprises a stirring bucket, wherein a piston is slidingly connected in the stirring bucket, a through hole is vertically formed in the piston, a pistonrod is connected to the top of the piston, the piston rod is in threaded connection with the top of the stirring bucket, and the end, extending out of the stirring bucket, of the piston rod is connected with a transmission mechanism. The bottom of the piston is connected with a flexible stirring belt. An air inlet one-way valve and a water outlet one-way valve are arranged on the side wall of thestirring bucket, an air outlet one-way valve and a water intlet one-way valve are arranged at the top of the stirring bucket, the water outlet one-way valve is communicated with the water draining pipe, and the water inlet one-way valve is communicated with the breeding pond. By adopting the giant salamander breeding pond, no direct impact is produced on fertilized ovum of giant salamanders, andthe oxygen content demand in water can be met.

The invention discloses a kitchen waste pretreatment system and a sorting method therefor. The kitchen waste pretreatment system comprises an air purification subsystem, a waste gas treatment subsystem, a waste transmission subsystem, a hydrodynamic sorting subsystem and a discharging subsystem. Air is introduced into the air purification subsystem and is fed into the top of a workshop by an output end of the air purification subsystem. The waste gas treatment subsystem, the waste transmission subsystem, the hydrodynamic sorting subsystem and the discharging subsystem are respectively arranged under the air purification subsystem. The waste gas treatment subsystem introduces air, removes an odor produced in waste transmission, and transmits pollutant-free gas to a chimney. Waste is introduced into the waste transmission subsystem. An output end of the waste transmission subsystem is connected to the hydrodynamic sorting subsystem. The hydrodynamic sorting subsystem is used for sorting of light waste, heavy waste and organic waste. The sorted light waste, heavy waste and organic waste are discharged by the discharging subsystem. The kitchen waste pretreatment system realizes air purification in a kitchen waste storage space thereby eliminating an odor, realizes automatic sorting of inorganic impurities, and realizes reduction, harmless treatment and recycling of kitchen waste.

The invention relates to an instant drinking water heating device which comprises a water outlet spout, an instant pipeline heater and a water inlet pipe. The instant drinking water heating device is characterized by further comprising a water level tank which is provided with a water inlet and a water outlet, the water inlet is connected with the water inlet pipe, the water outlet is communicated with an inlet of the instant pipeline heater, and a floating ball component which adjusts water inlet quantity of the water inlet through water level height is arranged in the water level tank. The instant drinking water heating device has the advantages that the water inlet quantity of the water inlet of the water level tank is controlled by the aid of the floating ball component and by utilizing water in the water level tank to serve as buoyancy, and accordingly, automatic adjustment of water level of the water level tank is achieved.

The invention relates to a method for recycling non-radioactive production wastewater of a nuclear power plant. The method comprises the following steps: firstly classifying non-radioactive production wastewater in a plant area according to main pollutant characteristics, and adopting the same type of treatment facility for the same type of wastewater or wastewater similar in water quality; and transporting the collected and treated non-radioactive production wastewater to a seawater pretreatment plant forebay of a circulating water system by virtue of a pipeline, carrying out seawater treatment, and then taking the treated wastewater as supplementary water of a cooling water system. The method provided by the invention is firstly applied to the nuclear power plant, and the problem of discharge of the non-radioactive production wastewater is solved by applying the method. The method provided by the invention reduces the intake quantity of the cooling water system on raw water, improves the water reuse rate of the whole plant, saves the operation management cost, and also can reduce the discharge of the non-radioactive production wastewater of the nuclear power plant and reduce the influence of the discharged water on the environment. The non-radioactive production wastewater recycling way provided by the invention can provide a reference for nuclear power project design adopting a seawater cooling tower in future.

The invention discloses an electric vehicle charging pile capable of achieving wind energy charging and preventing falling and fire. The charging pile comprises a shell; a lifting cavity is formed inthe lower portion of the shell; a first transmission shaft is rotationally arranged on the right side of the lifting cavity; a first transmission wheel is fixedly arranged on the rear side of the first transmission shaft; a cam is fixedly arranged on the front side of the first transmission shaft; a cam connecting rod is fixedly arranged on the cam; a shaft fixing block is fixedly arranged below the lifting cavity; a second transmission shaft is rotationally arranged on the right side of the shaft fixing block; a connecting rod gear is fixedly arranged on the right side of the second transmission shaft. According to the wind power electric vehicle charging equipment, an electric vehicle can be charged by effectively utilizing wind energy; the equipment is clean and environment-friendly, acharged charging wire has an automatic recycling function, damage phenomena such as treading and water entering are reduced, the equipment is built in a place with large wind power, the function of automatically lifting a wind shield is achieved in order to prevent the electric vehicle from being blown down, and when a fire accident happens to the electric vehicle, the electric vehicle can be automatically cooled to avoid explosion.

The invention relates to an oil refining reclaimed water reuse high-concentration-ratio circulating water treatment method and device. The method and device are characterized in that electrochemical water treatment complete equipment is connected to a water return main pipeline of a circulating cooling system in parallel for water quality treatment of circulating water, wherein reclaimed water obtained after deeply processing oil refining waste water serves as supplemented water. The electrochemical water treatment complete equipment carries out circulating taking and using treatment on the circulating water through circulating water return residual pressure. Softening and sterilization of water quality of the circulating system are achieved in an electrolysis mode, and the concentration ratio of the circulating water is effectively increased. The method can increase the sewage recycle rate of refining enterprises, consumption of fresh water is reduced, pollution of drained water to the environment is reduced, and meanwhile the method and the device have the advantages of being low in energy consumption, low in cost, environmentally friendly, free of pollution and high in automation degree.

The invention discloses a sand recycling process comprises the following steps: (1) collection and flushing; (2) first recovery; (3) converging; (4) pre-separation; (5) second recovery; (6) concentration treatment; (7) third recovery; and (8) wastewater recovery. The process provided by the invention is directed at mud and sand water recovery treatment of the quarry field, improves the fine sand recovery amount, carries out recovery of mud and sand particles three times respectively according to the particle sizes of different ranges, is conducive to recycling of fine sand after recovery, and recovers the separated liquid, and is conducive to cyclic utilization of water, thereby reducing the intake of production water, and lowering environmental pollution.

Belonging to the field of drugs and health care products, the invention particularly discloses a mulberry leaf, chrysanthemum and Chinese yam compound polysaccharide and application thereof. The compound polysaccharide provided by the invention is composed of mulberry leaf polysaccharide, chrysanthemum polysaccharide and Chinese yam polysaccharide, wherein the molecular weight of the mulberry leaf polysaccharide is 100-600 thousand Dalton, the molecular weight of the chrysanthemum polysaccharide is 40-80 thousand Dalton, and the molecular weight of the Chinese yam polysaccharide is 40-80 thousand Dalton. The compound polysaccharide is formed by combination of mulberry leaf polysaccharide, chrysanthemum polysaccharide and Chinese yam polysaccharide of specific molecular weight segment, can significantly reduce the food intake, water intake and urine volume of internal heat and yin deficiency high blood sugar rat models, and increase the rat weight, also can reduce fasting blood glucose, improve sugar tolerance, reduce the insulin content, improve insulin resistance, lower triglyceride and total cholesterol, improve hyperlipidemia symptoms, lower cAMP, cGMP, CD4+/CD8+ and other immune indexes, improve immune function anomalies, and improve the appearance states and mental outlook of internal heat and yin deficiency rats.

The invention provides a safe and economic device for reducing exhausted flue humidity of a wet desulfurization system, and a method thereof. The device comprises an inlet flue channel, a water absorption tower and an outlet flue channel, wherein the inlet flue channel, the water absorption tower and the outlet flue channel are sequentially communicated. One or plural layers of supporting plates for placing a desulfurization agent are arranged inside the water absorption tower. A slurry tank is arranged below the support plates, and a desulfurization feeding device is arranged above the side of the supporting plates, wherein the desulfurization agent absorbing the moisture of the exhausted flue drips in the slurry tank. The desulfurated pure flue gas carrying saturated water passes through a desulfurization agent layer filled in the water absorption tower, and partial moisture and sulfur dioxide in the flue gas are removed with the water absorbing capacity and the desulfurization capacity of the desulfurization agent so as to safely and economically solve the problem of white smoke belching in the existing wet desulfurization system.

The invention provides a cutting emulsion wastewater treatment system and a cutting emulsion wastewater treatment method. The system comprises an adjusting pool, an oil separation pool, an agent feeding pool, an air floatation unit, a middle pool, a security filter, a catalytic oxidation unit, a middle water pool, a heat exchanger, a UASB reactor, a contact oxidation device, an MBR unit, a clear water pool, a circulating pump and an incineration system. According to the present invention, the system and the method select the active carbon loaded transition metal catalyst, and have characteristics of efficient and stable treatment effect, short reaction time, low chemical sludge yield, no hardening of the filler, low backwash frequency and low filler loss; based on catalytic oxidation, thetoxic and harmful substances in the raw water are subjected to ring opening and chain breaking so as to improve the biodegradability of the wastewater, provide the conditions for the application of the biochemical system, remove the organic pollutants, and reduce the sludge yield of the biochemical system and the investment and operation cost of the subsequent biochemical system; and the system and the method have advantages of strong impact load resistance, high and stable treatment efficiency, low operation cost and no toxic and harmful odor emission, and can be widely used in low-biodegradability and high-concentration organic wastewater treatment.