162results about How to "Reduce rinse time" patented technology

Disclosed herein are a washing machine that performs a rinsing operation while rotating a drum at a predetermined RPM without stopping the drum after spin-drying and a rinsing control method thereof The washing machine includes a drum to receive laundry and a motor to rotate the drum. The rinsing control method includes rotating the drum to perform spin-drying and decelerating the drum to a predetermined velocity to perform rinsing. Consequently, it is possible to improve rinsing efficiency even using a small amount of water. Also, it is possible to uniformly distribute the laundry in the drum without eccentricity, although a laundry untangling process for spin-drying is performed only once during the rinsing, which is performed several times, thereby reducing the total rinsing time.

A rinse control method for a washing machine including the steps of rinsing water supplying and infiltrating for supplying rinsing water rotating an inner tub at relatively low speed so that the rinsing water can be infiltrated into washing materials and rinsing water permeating and exhausting for draining the rinsing water rotating the inner tub at relatively high speed so that the rinsing water can be exhausted to the outside passing through the washing materials enable a swift rinsing operation with a smaller amount of rinsing water.

The invention discloses intensive integrated water purification equipment. The equipment is separated into five sections according to difference of water purification units, and the five sections are connected through flanges; and the equipment is provided with a mud collecting area, a primary flocculation area, an inner-cylinder clustering flocculation area/and an outer-cylinder sludge concentration area, a sludge separation area, an inclined tube sedimentation area, a backwashing gas distribution area, a filtration area, and a clear water area from bottom to top. The equipment is provided with devices such as an agitator blade used for particles to form agglomerated floc, a rotary gas distribution plate used for gas-water backwashing of a filter material, small-space spiral sloping panels used for concentrating sludge and the like; and the whole equipment is simple in structure, water purification functional units are compactly connected, the flat plane utilization rate is high, and the equipment is convenient to operate, can maximize the water purification function, and has important practical significance for medium and small water supply systems.

The invention discloses an optimized membrane bioreactor (MBR) back washing method. An MBR is operated at constant flux. The method comprises the following steps: I. computing the transmembrane pressure (TMP) of membrane modules of the MBR in a certain period of time; II. computing the similarity S in the certain period of time: specifically, firstly determining the reference value Tref of the TMP and then computing the similarity S by utilizing the TMP according to a formula in the specification; III. comparing the value of S with a preset threshold, washing the membrane modules by an online cleaning mode at different cleaning time if the value of S is not less than the preset threshold, and washing the membrane modules by an online chemical cleaning or offline cleaning mode if the value of S is less than the preset threshold. According to the actual situation of membrane pollution, through low-strength more timely cleaning, pollution of the MBR membrane is eliminated at the initial stage of formation, thus preventing synergistic deterioration effects caused because membrane pollution is not timely recovered, saving energy and time and prolonging the service lives of the membrane modules.

The present invention relates to boiler feed water treating technology, and is especially water treating method for directly air cooled steam drum boiler. Under the reductive condition, the condensed water from the condensing water tank is added with ammonia before entering the boiler directly under the condition of closing the oxygen discharging door of deaerator and the water hydrogen conductivity is controlled below 0.2microS/cm. In case of poor water quality, the oxygen discharging door is opened to convert into reductive mode. The present invention alters the traditional concept that dissolved oxygen will result in corrosion, and has double compact oxide film formed on surface of metal to inhibit the flow corrosion in thermal system, fine treatment of condensed water for long running time, no use of carcinogenic hydrazine and lowered ammonia adding amount for environment protection and health, and raised equipment utilization.

The invention discloses a blowing type roller washing machine and a clothes-washing method thereof. The washing machine comprises an inner barrel, an outer barrel, air chambers blowing air into the outer barrel to generate bubbles and an air pump. A gas heating device is arranged on an access for conveying air to the air chambers, and during washing, the air chambers are controlled to blow hot air into the outer barrel to act on water to generate hot bubbles. The number of the air chambers is at least two, the air chambers comprise a first air chamber and a second air chamber, and the blowing direction of the first air chamber and the blowing direction of the second air chamber are correspondingly consistent with the forward rotation direction and the reverse rotation direction of the inner barrel respectively. The air chambers further comprises a third air chamber, the third air chamber is arranged at the bottommost end of the outer barrel to be axially distributed, the blowing direction is upwards, and the first air chamber and the second air chamber are located on the two sides of the third air chamber respectively. When the washing machine is used for washing, the air pump and the gas heating device work, the air chambers blow the hot bubbles into the outer barrel; during the rinsing, the gas heating device stops working, the air pump works, and natural wind is formed in air chambers. According to the blowing type roller washing machine, the clothes washing ratio is improved, electric energy consumption is reduced, and the clothes-washing time is saved.

The invention discloses an air-blowing-type roller washing machine and a clothes-washing method thereof. The washing machine comprises an internal cylinder, an external cylinder, at least two air chambers used for externally blowing air and an air pump. All the air chambers are independent. The air-blowing direction of at least one air-blowing chamber is the same as the forward-rotating direction of the internal cylinder. The air-blowing direction of at least another air-blowing chamber is the same as the backward-rotating direction of the internal cylinder. During washing, an air chamber in the air-outlet direction same as the rotation direction of the internal cylinder is controlled to blow air into the external cylinder in order to generate bubbles. All the air chambers are communicated with the same air pump by means of an air-flow distributor. Check valves are arranged among the air-flow distributor and all the air chambers. An air-heating device is arranged between the air-flow distributor and the air pump. During washing/rinsing operation of the washing machine, the internal cylinder rotates forward and an air chamber in the air-blowing direction same as the forward-rotating direction of the internal cylinder is controlled to blow air. The internal cylinder rotates backward and an air chamber in the air-blowing direction same as the backward-rotating direction of the internal cylinder is controlled to blow air. During washing, hot air is blown by air chambers and natural air is blown by air chambers. The air-blowing-type roller washing machine has a simple structure and helps to save clothes-washing time and increase clothes-washing efficiency.

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 relates to a pre-filling type catheter flusher. The pre-filling type catheter flusher comprises an outer sleeve, a piston and a core rod, wherein the piston is sealed and movably connected in the outer sleeve, and the core rod is connected to the piston and extends from one end of the piston. A liquid outlet nozzle is arranged at the other end of the outer sleeve, a liquid outlet nozzle is detachably connected with a cap for sealing the liquid outlet nozzle, a normal saline storage cavity is formed between the outer sleeve, the piston and the liquid outlet nozzle, and normal saline is stored in the normal saline storage cavity. According to the pre-filling type catheter flusher, the problems of long consumed time and large waste due to the fact that an existing injector performs the current extraction of normal saline for flushing are solved.

The present invention discloses a pinch valve for replacing a diaphragm valve in a plumbing fixture. The plumbing fixture includes an inlet chamber defining a fluid inlet and in fluid communication with an inside chamber defining a fluid outlet. The pinch valve includes a cartridge member with a fluid inlet opening, a fluid outlet opening and a cartridge chamber defined by a cartridge chamber wall and in fluid communication with the fluid inlet opening and the fluid outlet opening. A flexible sealing member is positioned at least partially within the cartridge chamber and includes a wall with an inner surface defining an inner chamber and an outer surface defining an outer chamber between the outer surface of the flexible sealing member wall and the cartridge chamber wall. The inlet chamber of the plumbing fixture is in fluid communication with the inner chamber and the outer chamber.

An embodiment of the invention provides a rinsing water recycling device and method for a commercial coverable dishwasher. The device comprises a main control board, a main washing water pump, a rinsing water pump, a pre-rinsing water pump, a main washing arm, a rinsing arm, a main washing water tank, a pre-rinsing water tank and a rinsing water tank; the main control board controls the main washing water pump to draw water; the water in the main washing water tank is drawn to the main washing arm to perform main washing spraying for dinnerware, the main washing water reflows to the main washing water tank; the main control board controls the pre-rinsing water pump to draw water, the water sprayed in last rinsing and stored in the pre-rinsing water tank is drawn to the rinsing arm, the water for last rinsing is recycled to perform pre-rinsing and spraying on dinnerware, and the pre-rinsing water reflows into the pre-rinsing water tank; the main control board controls the rinsing waterpump to draw water so that the water in the rinsing water tank is drawn to the rinsing arm to perform rinsing spraying on the dinnerware, and the rinsing water reflows into the pre-rinsing water tankfor storage. The rinsing water recycling device and method for the commercial coverable dishwasher have the advantages that the mechanical structure is simple, the design is reasonable, rinsing time is shortened, and water consumption and electricity consumption are reduced.

The invention discloses a soft cleaning program control method for a washing machine, and relates to the technical field of circuit control of the washing machine. The method comprises a water feeding program, a washing program, a rinsing program and a dehydration program, and is characterized by comprising the following steps of: turning on a water inlet valve power supply; and electrifying a motor of the washing machine to start washing work when fed water reaches a set water level. Because a washing and soaking program method is adopted, clothes are excellently softened and soaked and dirt are easily removed, and the washing machine is effectively utilized, so electric energy is saved and service life of the washing machine is greatly prolonged; when the washing of the washing machine is ended, water feeding, washing and water discharging are simultaneously performed after the washing water is discharged; and thus the dirt washed off the clothes can be immediately discharged out of the washing machine without polluting the clothes again, the clothes can be easily rinsed, and the rinsing time and the water resource are saved.

The invention relates to a fully-automatic fish fresh preparation device and method. The preparation device comprises a rinsing device, a fine filtering device and a dewatering device which are communicated with one another in sequence; the rinsing device comprises a rotary screen, a rinsing tank and a filtering roller; a spray head is arranged above the rinsing tank; the rinsing tank comprises a first rinsing tank and a second rinsing tank; the rotary screen conveys fish flesh to the first rinsing tank through an oblique slideway; the filtering roller conveys the fish flesh to the second rinsing tank through an L-shaped slideway; the rotary screen comprises a water tank, a hollow rotating drum is arranged in the water tank, a spiral convex channel is formed in the inner wall of the rotating drum, and water outlets are densely formed in the surface of the rotating drum; the bottom of the water tank is communicated with the filtering roller through a water pipe; a water spray device is arranged above the rotary screen; the filtering roller comprises a rotating shaft and a roller body wrapped with filter cloth.

Disclosed is a filtration device having a variable filter according to the present invention including a cylindrical housing 100; a plurality of cylindrical filters 210 and 220 which are serially disposed in the housing 100; an upper supporting plate 230 for supporting an upper side of the uppermost filter 210; a compressing plate 240 for supporting a lower side of the lowermost filter 220; a supporting rod 250 which is fixed to the upper supporting plate 230 and an lower end of the housing 100 and installed to pass through the filters 210 and 220; and a compressing means 300 which lifts up or down the compressing plate 240 so as to control pores of the filters 210 and 220 when filtering raw water.

A nuclear power plant start secondary circuit flushing method comprises the steps of small cycle flushing, medium cycle flushing and large cycle flushing started in sequence. After the small cycle flushing is completed, a condensate polishing system for purifying circulating water is put into operation, and the medium cycle flushing and the large cycle flushing are established, wherein the requirement after the small cycle flushing is that the concentration of Fe is less than 500 ppb; the requirement after the medium cycle flushing is that the turbidity is less than 1 ppm; and the requirementafter the large cycle flushing is that the peak turbidity value is less than 1 ppm. According to the flushing method, a flushing path is standardized, flushing indicators at each stage are clarified,and the process is strictly controlled to achieve the effect of refinement treatment; after the small cycle is established, a polishing bed body can be put into operation, flushing water is purified through polishing, and in a subsequent path flushing process, the flushing water consumption is effectively reduced, and the flushing efficiency is improved.