33results about How to "Does not affect normal flow" patented technology

Being setup between upper and lower heat exchangers, the gathering device includes plate for gathering condensed water, trough of condensed water and outline frame. Being fixed on top part of the outline frame, the plate is in discoid structure with hollow bottom in low position. Trough of condensed water is fixed on the outline frame under vent hole of the plate for gathering condensed water. Outlet for condensed water is connected to the trough of condensed water. Components for connecting to frames of upper and lower heat exchangers are setup at upper and lower parts of the outline frame. Advantages are: easy of installation, good effect for collecting condensed water, and not influencing on thermal efficiency of water heater.

The invention discloses a double-layer-pipeline-type electricity generating device. The double-layer-pipeline-type electricity generating device comprises impellers, a transmission device, an electricity generating device body, an electricity storage device, double layers of pipelines and a sealing ring. The transmission device is composed of a first transmission shaft, a bevel gear transmission mechanism, a second transmission shaft, a bearing and a bearing seat. The electricity generating device body comprises a rotor, a stator, an electric brush and a motor shell. The electricity storage device comprises a storage battery, a storage battery shell, a current flowing-into port and an electric energy output port. When a liquid flows through the pipelines, the impellers are driven to rotateto generate kinetic energy, the kinetic energy is input into the electricity generating device body through the transmission device, then the electricity generating device body converts the kinetic energy into electric energy to be stored in the electricity storage device, and domestic and industrial electricity is provided. The double-layer-pipeline-type electricity generating device is suitablefor a large transportation pipeline, parallel electricity generating systems are evenly arranged in the double layers of pipelines, the multiple impellers generate electricity simultaneously, the electricity generating systems are separated from the liquid, the device is simple, efficient, safe, reliable and convenient to maintain.

The invention discloses a novel condensed water collecting device for a condensing water heater, which is arranged between two upper and lower heat exchangers. It is fixed on the upper part of the outer frame, which is a hollow and low disc structure at the bottom. The condensate water tank is fixed in the outer frame at the lower part of the vent hole of the condensate water collection plate. The upper and lower heat exchanger frames are fixedly connected components. The condensed water collecting device adopting the above structure has the advantages of not affecting the working thermal efficiency of the water heater, convenient installation and good condensed water collecting effect.

The invention provides a three-electrode battery capable of detecting lithium dendritic crystal growth, which comprises a battery body, a positive electrode column, a negative electrode column and a detection electrode column, the battery body is respectively provided with the positive electrode column and the negative electrode column, the battery body is internally provided with an electrolyte,and the detection electrode column is arranged between the positive electrode column and the negative electrode column; a liquid injection hole is formed between the positive electrode column and thedetection electrode column, an isolating membrane is arranged on the outer layer of the detection electrode column, and the isolating membrane is used for preventing the detection electrode column from being in contact with the positive electrode column and the negative electrode column to cause short circuit. The invention has the beneficial effects that the design of the detection electrode column does not change the internal positive and negative electrode cell structure of the original battery; the normal work of the battery is not influenced, the change of the internal resistance among the three electrode columns can be more conveniently and accurately detected, more importantly, the lithium dendritic crystal growth progress of the lithium battery is accurately detected by detecting the change of the internal resistance of the electrode columns and the negative electrode columns, and the normal service life of the battery is accurately predicted in advance.

Disclosed is an artery stapler, comprising a stapler shell (12), and a stapling bracket (1), a pressing arm (3), a bracket control rod (6) and a pressing arm control rod (4) arranged on the stapler shell (12), wherein a sealing disc capable of being opened or closed is arranged at the front end of the stapling bracket (1); the pressing arm (3) is arranged above the stapling bracket (1), a pressing disc (31) is arranged at the front end of the pressing arm (3), and the pressing disc (31) is arranged opposite to the sealing disc; the bracket control rod (6) is connected to the stapling bracket (1) and used for controlling the sealing disc to be opened or closed; and the pressing arm control rod (4) is connected to the pressing arm (3) and used for controlling the pressing arm (3) to press down or lift up. The artery stapler can solve the problem that the existing stapler causes large vascular injuries to the aorta of the heart and is inconvenient for operation.

The invention discloses a waste heat utilization system of an urban sewage pumping station. The system comprises a waste heat utilization device, a heating water pipeline, a heating water pump, a valve and a filter screen. The heating water enters the waste heat utilization device from the nearby heat users through the heating water pipe, and the waste heat utilization device fully contacts with the sewage to heat the heating water. Conditioned and returned to the hot user. Most of the locations of urban sewage pumping stations are distributed in grids in various areas of the city. This invention utilizes the unique geographical location of urban sewage pumping stations and utilizes the waste heat of sewage on a large scale, which can realize heating for users within a certain radius around it, and can significantly reduce urban energy consumption for district heating and save investment.

The invention discloses a bypass blocking method, device and storage medium. The method includes: S1. Acquiring a mirror message of an access link from a switch; S2. Judging whether the access link is Illegal link, if yes, then extract the source IP and destination IP in the mirrored message; S3, extract the IP address in the preset blocking range from the source IP and destination IP in the mirrored message, and extract The IP that goes out is as blocking IP; S4, generate attack message with the IP of described blocking IP and firewall as source and purpose IP, and send N times of the preset number of times of described attack message to described firewall device; S5 , and create an effect check timer for the blocking IP; S6. When the timer expires, judge whether the blocking IP is successfully blocked, if not, repeat S4 to S5 until the blocking IP until successfully blocked. The invention can achieve the purpose of only blocking illegal links without affecting normal flow.

The invention discloses a penis negative pressure suction treatment instrument, which comprises a negative pressure cylinder and a pressure gauge. A pressure monitoring cylinder is inserted at the top of the negative pressure cylinder. The inside of the monitoring cylinder is provided with a sleeve, and the inside of the sleeve is provided with a hook and a first spring, and one end of the hook is in conflict with the first spring, and the other end of the hook penetrates the outer surface of the pressure monitoring cylinder , the outer surface of the negative pressure cylinder is penetrated with a first groove; There is a dirt collection mechanism, the top end of the pressure monitoring cylinder is threaded with a hose, and the other end of the hose is threaded with a one-way valve. The negative pressure cylinder of the present invention has high sealing performance, and has a gas-liquid separation structure, which is convenient for disassembly and cleaning, and has a pressure control structure, which is convenient for rapid pressure regulation.

The invention discloses an urban sewage pumping station waste heat utilization system. The waste heat utilization system comprises a waste heat utilization device, a heating water pipeline, a heating water pump, a valve and a filter screen. Heating water enters the waste heat utilization device through a heating water pipeline from a nearby heat user, the waste heat utilization device makes full contact with sewage so as to heat the heating water, the temperature of the heating water is increased by about 15-18 DEG C after the heating water comes out of the waste heat utilization device, and then the heating water returns to the heat user after flow adjustment. The urban sewage pump stations are mostly distributed in all areas of a city in a gridding mode, the unique geographic positions of the urban sewage pump stations are utilized, waste heat of sewage is utilized in a large-scale mode, heating of users within a certain radius around the urban sewage pump stations can be achieved, energy consumption of urban area heating can be remarkably reduced, and investment is saved.

The invention discloses a medical atomizer relating to the technical field of medical apparatus and instruments and aiming at solving the problems that the existing medical atomizer is serious in drug waste, inconvenient to use, low in drug atomization efficiency and speed and long in atomization time and has the risk that pollutants such as pathogens in the air are inhaled into the airway when a patient inhales. The atomizer comprises an atomizing cup, an atomizing cup core and an atomizing cover, wherein a suction nozzle is formed in the upper part of one side of the atomizing cup; a switch is arranged at the junction of the suction nozzle and the atomizing cup; the opening or closing of the suction nozzle and the size of an opening are controlled through the switch; a pressure release hole is formed in the upper part of the other side of the atomizing cup; a filter membrane is arranged on the pressure release hole; the atomizing cup core comprises a supporting part and a nozzle casing; a narrow groove is formed in the inner wall of the nozzle casing; the narrow groove forms a gas channel; a bottom gap is formed in the bottom of the nozzle casing; and one end of the narrow groove extends to the bottom gap, and the other end of the narrow groove is communicated with the space defined by the nozzle and the nozzle casing. The medical atomizer is suitable for treating respiratory diseases.

The invention provides a series resonant-type fault current limiter, which comprises an electric reactor L and a capacitor bank C, wherein two ends of the capacitor bank C are sequentially connected with a metal oxide arrester MOV, a vacuum trigger switch TVS and a quick by-pass switch K in parallel and then are connected with the electric reactor L in series; the vacuum trigger switch TVS is connected with a first trigger circuit; the quick by-pass switch K is connected with a second trigger circuit; the first trigger circuit and the second trigger circuit are connected with a trigger controller; and the first trigger circuit and the second trigger circuit respectively trigger the vacuum trigger switch TVS and the quick by-pass switch K to be switched on or off under the control of the trigger controller. According to the series resonant-type fault current limiter, the structure, the volume and the weight of the current limiter can be significantly reduced under the premise of reserving the advantages of a traditional series resonant-type fault current limiter; the cost of the whole equipment and the technical difficulty of fault current limitation are reduced; and the invest time of a current limiting reactor is shortened.

The invention discloses a water-controlling air-injecting and oil-extracting integrated production-increasing method which controls the water yield, improves the oil-extracting quantity in the developmental process of an oil reservoir with the high water content or huge water discharging risks and comprises the steps of nitrogen-injecting foam water plugging, water-controlling agent water controlling, nitrogen-injecting rigidity oil driving, carbon dioxide oil extracting and ordered combination of all the single steps. According to the water-controlling air-injecting and oil-extracting integrated production-increasing method, effective water blocking and deep-layer water controlling can be conducted at the oil reservoir of bottom water coning, water layer channeling, water injecting or edge water incursion, oil-water layer according, large-angle crack and water layer communicating and the water-containing oil reservoir which cannot conduct mechanical water blocking due to casing pipe deformation, the water yield or the water discharging risks in the oil reservoir developing process are reduced, and meanwhile, effective employ for residual oil resources distributed in different regions is achieved, so that the demands of water-controlling oil-increasing and efficient developing of the oil reservoir containing water are met, and the comprehensive developing benefits are improved.

The invention discloses a pressure fluctuation buffer device and method for the opening process of a main steam valve station. The upper piston in the device can move vertically under the limit of the upper spring group; the lower piston can move under the limit of the lower spring. Move in the vertical direction; there are stepped through holes inside the cylinder body, end cover and bottom cover, which are called pressure balance channels. The inlet fluid enters the upper end of the upper piston through the channel. Both the upper piston and the lower piston are coaxially fixed with adjusting hand wheels for adjusting the spring preload; the whole device is symmetrically distributed at both ends except for the pressure balance channel. The present invention utilizes the upper spring group and the lower spring to form the initial pre-tightening force on the upper piston and the lower piston. The movement can reduce the flow area nonlinearly according to the magnitude of the system pressure drop, which can adapt to different working conditions, effectively relieve the pressure drop speed, and ensure the normal operation of the rest of the valves.

The invention discloses a gas-liquid separation device for chemical industry, which includes a bag body and an exhaust device. A feed pipe is inserted into one side of the bag body, and a first stop valve is provided at one end of the feed pipe outside the bag body. The bottom end of the bag body is inserted with a discharge pipe, and the end of the discharge pipe outside the bag body is provided with a second stop valve, the top of the bag body is inserted with an exhaust device, and the inside of the bag body is arranged along the width direction There is a ring-shaped elastic bracket: the exhaust device includes a dust cover, a dust net, a card slot, a support rod, a block, a limit block, a spring and a housing, wherein the top of the housing is fixed with a dust cover The dust-proof net is placed inside the dust-proof cover, the bottom of the dust-proof cover is provided with a spring, and one end of the spring is connected to a support rod, and the bottom of the support rod is fixed with a block by screws, and the housing The middle part is provided with a limit block, the invention is simple and convenient to operate, and the flow of raw materials is guaranteed to be stable while the gas-liquid is separated.

The present invention provides a pressure ventilation system capable of regulating and controllingairflow distribution, cold air circulates in the cold air main channel, and the cold air enters the server for heat exchange and then enters the hot air main channel; the airflow adjusting plate is arranged in the cold air main channel and can rotate within the range between the direction that the plate face is parallel to the airflow and the direction that the plate face is perpendicular to the airflow, when the airflow adjusting plate is parallel to the airflow, normal flowing of the airflow is basically not affected, and the airflow keeps the original motion state; and when the temperature of a certain server reaches a set threshold value, the controller controls the airflow adjusting plate to rotate, airflow is blocked and guided, and the flow of airflow entering the corresponding cold air outlet is increased, so that the corresponding server obtains more cold air. Through mutual cooperation of the airflow adjusting plates, local airflow can be blocked, a certain server obtains more airflow, cold air is redistributed under the condition that the power consumption of an air conditioner is not increased, and local high temperature is avoided.

The invention discloses an anti-crystallization additive and a preparation method thereof and its application in boiler SCR denitrification. The raw materials of the anti-crystallization additive include the following components in terms of mass percentages: 1-5% of palladium acetate, 1-4% of rosin anti-crystallization agent, and 6% of ethanol ~15%, triethanolamine 2~7%, carboxylic acid phosphonic acid scale inhibitor 1~4%, acrylic acid-2-acrylamide-2-methylpropanesulfonic acid copolymer (AA / AMPS) 1~6%, The balance is water. The anti-crystallization additive provided by the invention can reduce the crystallization temperature of the urea solution with a concentration of 45-55% by about 10°C.

The invention discloses a generating device for coal gasification. The generating device for coal gasification comprises an upper furnace body vertically arranged and a lower furnace body perpendicular to the upper furnace body, wherein an upper combustion chamber is arranged in the upper furnace body, a feeding port is formed in one side of the upper furnace body, a lower combustion chamber is arranged in the lower furnace body, the lower combustion chamber is communicated with the upper combustion chamber, the upper furnace body sequentially comprises a first straight cylinder section, a hollow circular truncated cone shaped transition section and a second straight cylinder section from bottom to top, and the second straight cylinder section is greater than the first straight cylinder section in diameter. The transition section is internally and upwards provided with multiple circles of dust blocking plates from one end close to the first straight cylinder section in a surrounding mode, each circle of dust blocking plate faces the center, each dust blocking plate and the dust blocking plate circles participating in surrounding form oblique downward angles of 30 to 60 degrees, and every two dust blocking plates are not in contact. The generating device can make flue gas flow more smoothly by arranging different diameters of straight cylinder sections in a furnace and is provided with the dust blocking plates, the problem that ash is easily entrained in flue gas is solved, and the fuel utilization efficiency is improved.