139 results about "Flushing time" patented technology

A pumping apparatus for use with a pump set to deliver fluid through the pump set to a subject includes a pumping device capable of acting on the pump set to produce a fluid flow within the pump set. A controller is in communication with the pumping device for controlling operation of the pumping device in a feeding configuration and in a flushing configuration. The controller is adapted to store a selected flow rate and a desired fluid volume of a first fluid in the memory and at least one of a flush rate and flush volume of a second fluid. A flush time compensator is capable of being run for determining a compensated feeding configuration of the first fluid based on an amount of time the controller will operate the pump device in the flushing configuration and the desired fluid volume of the first fluid.

An automated liquid collection workstation is provided. The workstation includes a processor, a peristaltic pump, a valve actuator, and an algorithm. The peristaltic pump and the valve actuator are in electrical communication with the processor. The valve actuator can move a plurality of valves, when disposed therein, among an off position, a flush position, and a collection position. The algorithm is resident on the processor and is configured to: move all of the valves to the off position and place the pump in an off state when no sampling or flushing is required, move all of the valves to the flush position and place the pump in an on state for a predetermined flush time period when flushing is required, and move a respective one of the valves to the collection position, move any of the valves upstream of the respective valve to the flush position, and place the pump to the on state for a predetermined collection time period when collection is required.

The invention relates to a cleaning method of a low-temperature multiple-effect seawater desalination evaporator, which belongs to the technical field of thermal seawater desalination. The method comprises the steps as follows: washing by water with the temperature being 20 to 30 DEG C and the flushing time being 30 to 60 minutes; carrying out precleaning by pre-cleaning liquid with the pre-cleaning time being 30 to 120 minutes; carrying out acid cleaning by pickling fluid containing pickling inhibitor with the acid cleaning time being 2 to 12 hours; adjusting pH value to 6.5 to 7.5 by alkali liquor; washing by water; carrying out passivation by passivating liquid with the passivation time being 2 to 12 hours. The method has the advantages that the performance of a low-temperature multiple-effect seawater desalination evaporator can be better recovered after the cleaning, and the method is economic, practical, simple and effective. The method is particularly applicable to the cleaning to low-temperature multiple-effect seawater desalination evaporators, and also applicable to the cleaning to heat exchangers and evaporators for seawater medium.

The invention provides a Fischer-Tropsch wax and catalyst filtering and back-flushing method for a Fischer-Tropsch synthetic slurry bed reactor. The method comprises the following steps of: 1, in production mode, opening a clear solution extracting system, and extracting Fischer-Tropsch wax to a crude wax product buffer tank with set pressure; 2, in the production mode, when the back-flushing time interval value reaches a set value, opening a back-flushing system to back-flushing a filter element; and 3, when the back-flushing time reaches a set value, closing the back-flushing system, and newly extracting the Fischer-Tropsch wax to the crude wax product buffer tank with the set pressure. By automatically controlling a filter system and the back-flushing system and automatically back-flushing the filter element according to the time period or the back-flushing operation pressure difference, the Fischer-Tropsch wax can be stably and effectively extracted from the reactor for a long period, and stable and continuous operation of the Fischer-Tropsch synthetic slurry bed reactor is realized.

The present invention relates to a filter characterizing mutually arranged filter elements, and is especially tilting plate type filtering pool for use in water works. The tilting plate type filtering pool consists of filtering pool, reverse flush system, filtering system, sewage draining system and water influent and effluent system. The reverse flush system includes reverse flush valve, flushing air valve, water and air distributing transverse pipes, water distributing longitudinal pipes and air distributing longitudinal pipes; the filtering system includes anthracite layer, quartzite layer, coarse sand layer and pebble layer; the water influent and effluent system includes overflow weir plate, water effluent valve and water canal; and the sewage draining system includes tilting plate valve and canal. The present invention has less reverse flush water amount, short reverse flush time, high water effluent quality, low cost and other advantages.

The invention discloses an internal-pressure type ultrafiltration membrane flushing method and a flusher. The flusher provided by the invention comprises a flushing water pipe and a flushing water switch, a sewage discharge pipe and a sewage discharge switch, and further comprises an air storage tank and an air supply pipe, as well as an air supply switch arranged on the air supply pipe, wherein the air supply pipe is connected to the water inlet of a filter element. Under the action of pressure, the air in the air storage tank passes through the filter element and gaseous-liquid two phase flows are formed in the filter element; and the acting manner and the acting intensity of the single water phase with the attachments inside the membrane filaments are changed; therefore, flushing of the filter element can be finished well. Compared with the traditional flushing way, the flusher is capable of completing back flushing of the filter element better and more thoroughly; therefore, the water flux of the filter element after flushing is improved, stoppage of the ultrafiltration membrane is retarded, the service lives of the ultrafiltration membrane and the filter element are prolonged, the total water flux of the filter element is improved, and simultaneously, the flushing time is saved and the back flushing water is saved.

The invention discloses a concentric-tube pulverized coal discharging system for a coal-bed gas well and belongs to the technical field of coal-bed gas well and oil-gas field development. The system comprises a ground portion and a down hole portion. The ground portion comprises a three-plunger reciprocation pump (1), a concentric-tube coal discharging system well head unit (4), a well head casing spool (6) and a solid-liquid separation unit (15). The down hole portion comprises an outer oil tube (10), an inner oil tube (18) and a concentric-tube hydraulic jet pulverized coal flushing unit (12). The ground mechanism delivers high-pressure power liquids to the down hole mechanism which performs pulverized coal flushing. The invention further discloses a coal-bed gas well concentric-tube pulverized coal discharging method using the system. By means of the system and the method, the concentric-tube hydraulic jet pulverized coal flushing unit is arranged, so that pulverized coal of the coal-bed gas well bottom can be flushed thoroughly, the pulverized coal flushing time is greatly shortened, the coal-bed gas repair efficiency is greatly improved, the operation time is shortened, and damage to coal beds of the well bottom can be prevented.

The invention discloses a part flushing equipment control system for controlling part flushing equipment. The control system comprises an automatic control device for intelligently controlling all executing mechanisms of the part flushing equipment and a man-machine interaction device for receiving an externally input instruction and switching the work modes of the automatic control device. The automatic control device comprises a turnover control unit, a flushing fluid switch valve control unit, a flushing time control unit, a flushing fluid pressure control unit and a data collecting controlunit. The invention further discloses a part flushing system including the part flushing equipment control system and a part flushing method. According to the part flushing equipment control system,the part flushing system and the part flushing method, the part flushing process is automatically controlled, human intervention is reduced, and the flushing effect is better due to the controllability of all flushing parameters. A more efficient and energy-saving flushing scheme can be set by analyzing related data of data collection.

The invention relates to a closestool with the automatic flushing and deodorization functions. The closestool comprises a closestool seat, a closestool cover, a closestool water tank, a flushing module, a deodorization module and a control circuit used for automatically starting the flushing module and the deodorization module and controlling the flushing time, wherein the control circuit comprises a closestool starting circuit, a deodorization starting circuit, a flushing mode selection circuit used for confirming the flushing time and a flushing starting circuit. According to the invention, the circuits are controlled, so that the flushing module and the deodorization module are automatically started and the flushing time is controlled, and the phenomenon that people are in contact with various bacteria is avoided; the flushomg time can be selected according to defecating or urinating, so that not only can the thorough flushing be guaranteed, but also the water resource is saved; in addition, the sewer can be cleaned when odor of the closestool is eliminated, so that better thorough deodorization effect is realized.

The invention provides a method for automatically detecting standardization of a hand washing and disinfecting process based on computer vision. The method comprises the following steps: S1, fixing acamera at a position where a pool area can be completely shot; S2, carrying out process normalization automatic detection on the to-be-processed image, wherein whether a faucet discharges water or notis detected; Detecting whether the hand is flushed in water or not and detecting the flushing time of the hand in water; Detecting whether the hand sanitizer is collected or not; Whether enough foamis generated in the scrubbing process of the hand or not is detected; Detecting whether the two hands have mutual scrubbing actions or not in the scrubbing process; detecting Whether ten fingers are crossed and scrubbed with each other in the scrubbing process of the two hands; Detecting whether the left hand back and the right hand back are scrubbed or not in the scrubbing process of the hands; And S3, displaying each normative detection result in the step S2 on a display interface. The method solves the problems that the method for detecting whether the hand washing is qualified or not through microbiology sampling is high in cost, long in period and easy to interfere.

The invention relates to a sewage treatment filter including a filter body, a filter net is arranged in the filter body, a sewage cavity is between a cover body and a stationary plate, a clear water cavity is between the stationary plate and a bottom cover, a water inlet pipe is arranged on the outer wall of the upper side of the filter body, a water outlet pipe is arranged on the outer wall of the lower side of the filter body, the water inlet pipe is communicated with the sewage cavity, the water outlet pipe is communicated with the clear water cavity, a plurality of water inlet holes are arranged on the stationary plate, the water inlet holes are communicated with the sewage cavity and the clear water cavity, an electric motor is arranged on the upper end of the filter body, the electric motor drives a transmission shaft to rotate, the transmission shaft extrudes into the filter body, a stainless steel brush is arranged on the transmission shaft, the stainless steel brush can clean the inner wall of the filter net, the bottom cover is provided with a sewage drain valve in penetration manner, and cleaned impurities are discharged by the sewage drain valve. The sewage treatment filter has simple structure and reasonable design, and can achieve automatic back flush, the flush time is short, efficiency is high, and filtering performance is good.

The invention relates to a treatment process aiming at moisture standard exceeding in an SF6 device. The process comprises: before nitrogen inflation for flushing the SF6 device, heating nitrogen to 98-102 DEG C through a gas temperature control system; inflating nitrogen into the SF6 device for flushing for 30 min; discharging nitrogen through a vacuum duct after flushing; performing flushing twice; inflating SF6 gas into the SF6 device; performing an air-pressure-and-moisture test; and inflating SF6 gas into the SF6 device till a rated pressure is reached. Through the process, time of nitrogen standing in the SF6 device is effectively shortened, and flushing times with nitrogen during the flushing process is reduced, thereby improving the treatment effect and efficiency of moisture standard exceeding in the SF6 device. Through treatment of moisture standard exceeding, the moisture content in coil devices can be effectively inhibited from rebounding.

The invention discloses a water purifier flushing method and a device, wherein the method comprises the following steps: setting corresponding initial flushing frequency and initial flushing time according to the quality of raw water; adjusting the flushing frequency and flushing time according to water yield; and performing flushing operation of a water purifier according to the flushing frequency and the flushing time. By applying the technical scheme, the automatic adjustment of the water purifier flushing mode through the quality detection of raw water and the detection of water yield, so that the water purifier flushing mode can adapt to the quality demand of water in different regions. Through the variable flushing mode, the water yield throughout slowdown speed of RO membranes can be obviously reduced, and the recovery rate of the water purifier is improved.

The invention belongs to the technical field of nuclear power station sewage purification, in particular relates to a resin regeneration and post-flushing method of a steam generator drainage sewage purification system in a nuclear power station. The defects in the prior art are overcome, the regeneration and post-flushing time of resin in the steam generator drainage sewage purification system is shortened, and the residual amount of regeneration liquid after a resin bed is flushed is reduced, and it is ensured that the residual regeneration liquid is not introduced into system after the resin regeneration process. The method comprises the following steps: step 1, regenerating cation resin; step 2, performing flushing after the cation resin is regenerated; step 3, regenerating anion resin; step 4, performing combined flushing.

The invention discloses a bottle cultivation method for ombre mushroom. The processes include preparing ombre mushroom cultivation medium, putting into a bottle, autoclaving, inoculation and the like, and further include picking up of the ombre mushroom and removing of mushroom roots. All the processes are executed by machines, both labors and energy are saved, and is benefit for the expanding of production scale and the increasing of yield. Meanwhile high and stable yield is realized and good social benefit is achieved. The water-retaining property of cultivation bottles is much better than that of cultivation bags. The flushing time of each batch is cut down by 3 to 5 days, the time of occupying mushroom houses is greatly saved, and the utilization rate of mushroom houses is increased. Meanwhile, the hypha of the cultivation medium is rapid in growing speed, high in biotransformation rate, high in output and low in manufacture cost.

The invention provides a control method for an intelligent toilet, comprising the following steps: acquiring distance information between a user and the toilet; judging whether the user wants to use the intelligent toilet according to the distance information; acquiring the distance information of the intelligent toilet The state of the toilet lid: if the judgment result in the step S2 is that the user needs to use the smart toilet, and the toilet lid is closed in the step S3, control the opening of the toilet lid. Obtain information about changes in the use of the smart toilet by the user, and determine whether automatic toilet flushing is required. The invention can intelligently open and close the toilet lid; by judging the pressure, the current state of the user using the toilet is determined, and according to the actual situation of the user, the toilet is only flushed after the user has used up the toilet, which can precisely control the flushing time and avoid Early toilet flushing and waste of water resources. At the same time, it improves the user experience and makes the toilet more intelligent.

The invention discloses a constant force float auxiliary flushing time control valve, which comprises: a water cup, a constant force float, a low water level line, a connecting rod, an adjustment hole, a water storage chamber, a high water level line, a lever arm, a fulcrum, a pressure relief Holes, blockages, equal pressure chambers, spring pressure membranes, pressure guide holes, sealing ports, water inlet pipes, water outlet pipes, and fixed brackets, use the buoyancy of the constant force float in the water cup to close the pressure relief holes, which solves the unreasonable structure of the current flushing valve , Unstable performance and problems that cannot be widely used.

The invention relates to a technology for improving color and luster, and juice loss of cooled meat, specifically discloses a cooling flushing, modified atmosphere packaging and cold-chain transportation technology of pork and belongs to the technical field of processing of agricultural products. The technology comprises the following technological steps: (1) carrying out cooling flushing; carrying out flushing on slaughtered and split two-part pork, wherein the flushing temperature is 4+/-1 DEG C, 6+/-1 DEG C, 8+/-1 DEG C, 10+/-1 DEG C and 12+/-1 DEG C respectively, the relative humidity is 80 to 85 percent, the air speed is 3.5+/-0.5m/s and the flushing time is 12h; after flushing, irradiating and sterilizing by utilizing an ultraviolet lamp; (2) carrying out modified atmosphere packaging; cutting the flushed cooled meat and carrying out the modified atmosphere packaging after cutting; (3) carrying out cold-chain transportation; transporting the packaged cooled pork under the conditions that the temperature is 8+/-1 DEG C, 12+/-1 DEG C and 16+/-1 DEG C, wherein the transportation time is 3h, 6h, 9h, 12h and 15h. According to the technology provided by the invention, the cooled pork treated through the cooling flushing, modified atmosphere packaging and cold-chain transportation technology has good color and luster and water-retaining property; the meat is fresh and tender andhas good elasticity; the problems that the pork turn white and water is discharged after enterprise slaughtering and transportation are solved and the technology has wide industrial production value.

The invention discloses a high-pressure water online flushing device for a condenser. The high-pressure water online flushing device comprises a transmission system and a high-pressure water flushing device, wherein the high-pressure water flushing device comprises at least one high-pressure water pump unit, a water supply pipe arranged between the high-pressure water pump unit and the condenser, a water spraying pipe communicated with the high-pressure water pump unit through a water inlet pipe and parallel high-precision nozzles arranged on the water spraying pipe; and the transmission system comprises a vertical guide rail positioned on the condenser and a sleeve arranged on the vertical guide rail in a sliding manner, and the two ends of the water spraying pipe are connected to the sleeve and move up and down along the vertical guide rail with the help of a driving device. After the high-pressure water online flushing device is adopted, work can still be carried out when the condenser is not in a halt state, so that the unit maintenance time is saved. Through adopting the high-precision nozzles, positioning is accurate. The sleeve of the transmission system regularly moves, and the flushing coverage rate of a cooling water pipe reaches 100%. The parallel high-precision nozzles simultaneously work, single flushing time is shortened, and the flushing efficiency is greatly improved.

The invention disclosed a microwave sensing automatic urinal, comprising a urinary hopper, a flushing pipeline and a microwave probe arranged at the ceramics back of urinary hopper. The microwave probe is connected with a controller sequentially through a signal processing circuit, a signal amplifying circuit and an analog/digital converting circuit; the controller is connected with an electromagnetic valve through an electromagnetic valve driving circuit, and also connected with a timing circuit for controlling water flushing time; and power supply of the whole circuit is supplied by an external power source. The microwave sensing automatic urinal utilizes Doppler effect of microwave to closely detect the flowing liquid with a detection range of about 90 mm; only the urinate instead of a human body is detected so as to prevent incorrect operation and avoid surface reflection and influence of external factors; the microwave probe is arranged at the ceramics back of urinary hopper so that the problem of installing the automatic sensing urinal in a narrow space is solved. Accumulated water is unlikely to generate, and influence of humidity at the front side is avoided.