627results about How to "Effective flushing" patented technology

The invention concerns a simulated moving bed adsorption separation device comprising a limited number of valves. According to the invention, the device comprises a column with a plurality of sectors Sk with 2 superimposed plates Pi with a single distribution network, each sector Sk comprising an external principal bypass line Lk connected to each plate Pi of Sk via a plate valve V_i. Each line Lk comprises a flow limitation means and is connected to each of the fluid networks via a single valve.

Further, the connectors of lines Lk onto the column are offset by at most 20° inside Sk to limit the volume of lines Lk, and are offset by a mean angle in the range 70° to 110° between two neighbouring sectors Sk and Sk+1 so as not to weaken the column mechanically. The plates preferably comprise panels DMEi,j with parallel segments the direction of which varies from plate to plate or per group of 2 plates.

The invention also concerns a separation process using said device, in particular to separate para-xylene or meta-xylene from an aromatic C8 cut.

A rock drill bit for percussive drilling includes a front face which has radially outer and inner portions. Fluid channels are disposed in the head portion in communication with the inner portion of the front face. The inner portion of the front face carries a plurality of front buttons. The outer portion comprises circumferentially spaced steel portions which are axially raised relative to the inner portion. Each raised portion carries one or two peripheral buttons located radially outwardly of an imaginary circle which intersects at least two of the front buttons and at least two of the flushing channels. The imaginary circle is arranged coaxially relative to the center axis.

A water straining system for use in a flushing arrangement for a water delivery system. The flushing arrangement is connected to a main line of the water delivery system and includes a discharge valve controlled by an automatic valve control unit. A filter is positioned in the pipeline of the flushing arrangement between the main line and the automatic valve control. The filter acts to prevent debris in the main line from entering the discharge valve where it could become stuck preventing closure of the discharge valve.

The invention discloses a sterilizing, disinfecting and mildew-proof barrel-cleaning washing machine which comprises a shell, wherein an external water-storing barrel and an internal washing barrel are arranged in the shell; a water inlet box, a draining valve, a clutch, a program controller and a power supply part are arranged in the shell; a water inlet valve is arranged on the water inlet box; an ozone generating device is mounted on the water inlet box; an air outlet end of the ozone generating device is communicated with the bottom of a side wall of the external barrel through an ozone pipeline; the ozone generating device is connected with the program controller and the power supply part; and the draining valve and the clutch are respectively arranged and are respectively controlled by the program controller. The invention also discloses a barrel-cleaning control method of the washing machine. The sterilizing, disinfecting and mildew-proof barrel-cleaning washing machine is simple in structure and convenient in use; the internal barrel, the external barrel, the space between the internal and external barrels and the space under an impeller are cleaned and are sterilized and disinfected by using ozone; when water is discharged, the impeller is started to rotate positively and negatively by the washing machine so as to prevent line scraps and dirt in water from depositing at the bottom of the external barrel and internal barrel and on the impeller; the discharging of the line scraps and dirt is ensured; and the barrel-cleaning function is achieved.

The invention discloses a rockfill scouring simulation experiment device and an experimental data acquisition method. The device comprises a glass water tank, a water circulation unit, a water control unit, a rockfill testing unit, a data acquisition unit, a sample acquisition unit and a central dataset unit, wherein the water circulation unit is communicated with the glass water tank; the water control unit is arranged in a water outlet of the water circulation unit and is used for accurately controlling the flow and the water level; the rockfill testing unit is arranged at a downstream end of the glass water tank; a computer control system is connected with the water control unit, the data acquisition unit, the sample acquisition unit and the central dataset unit; the data acquisition unit is used for acquiring experimental parameters; the sample acquisition unit is used for acquiring relevant samples of the rockfill, and the acquired data are stored in the central dataset unit. According to the rockfill scouring simulation experiment device, the discrimination of the rockfill dam burst development path and mechanism is facilitated, and the risk development mechanism is determined, so that the basic evidence is provided for safety assessment of engineering.

The invention discloses a method for cleaning a capsule beverage dispenser, and belongs to the technical field of beverage preparation. The problems that wasting of water is caused in the cleaning process of an existing capsule beverage dispenser and the cleaning effect is poor are solved. The capsule beverage dispenser comprises a machine base with a brewing cavity, a liquid feeding mechanism, an input module and a control module. The control module controls the capsule beverage dispenser to be cleaned according to signals of the input module. The cleaning method includes a first cleaning stage and a second cleaning stage capable of being selected to be executed. The first cleaning stage at least includes a first washing step in which the liquid feeding mechanism leads liquid into the brewing cavity at a first power P1 for cleaning. The second cleaning stage at least includes a second washing step in which the liquid feeding mechanism leads liquid into the brewing cavity at a second power P2 for cleaning. The rated power of the liquid feeding mechanism is PE1, and P1<P2<=PE1. The method disclosed by the embodiment of the invention is used for cleaning the capsule beverage dispenser. The capsule beverage dispenser can be a capsule coffee maker, a capsule soybean milk machine and the like.

The invention concerns a simulated moving bed (SMB) separation device and process comprising a column, beds A_i of adsorbent separated by plates P_i with a single distribution and extraction network for fluids, in particular feed F, desorbant D, raffinate R and extract E, and a plurality of two-way valves for distribution of said fluids, said valves being limited in number and in particular with dimensions that are smaller than in the prior art. According to the invention, the column is divided into a plurality of sectors S_k with 2 superimposed plates, each sector S_k comprising an external principal bypass line L_k connected to each plate P_i of S_k via a large diameter plate valve V_i and an external secondary bypass line M_k comprising a small diameter valve V_Mk connected to the adjacent sector S_k−1. Each line L_k comprises a flow limitation means, and is connected to each of the fluid networks F, D, R, E via a single large diameter valve for sequential supply or withdrawal of the corresponding fluid F, D, R or E to or from the sector Sk under consideration.

The invention concerns a simulated moving bed (SMB) separation device comprising a column, beds Ai of adsorbent separated by plates Pi with a single distribution and extraction network for fluids, in particular feed F, desorbant D, raffinate R and extract E, and a plurality of two-way valves for distribution of said fluids, said valves being limited in number compared with the prior art. According to the invention, the column is divided into a plurality of sectors Sk with 2 or 3 superimposed plates, each sector Sk comprising an external bypass line Lk connected to each plate Pi of Sk via a connector comprising a plate valve Vi. Each line Lk comprises a controlled means for limiting its internal flow, and is connected to each of the fluid networks F, D, R, E via a single line comprising a single controlled two-way isolation valve to supply for sequential supply or withdrawal of the corresponding fluid F, D, R or E towards or from the sector Sk under consideration. The invention also concerns a separation process using said device or the use of said device for the separation of para-xylene or meta-xylene from an aromatic C8 cut.

A simulated moving bed separation device is described, comprising at least one column, beds of adsorbent arranged in this column, trays Pi with a chamber Ci for distribution and extraction of fluids, a multi-way rotary valve for the distribution of the fluids feeding or leaving said trays, and junction lines Li between this valve and said trays. The device according to the invention also comprises a plurality of bypass lines Li,i+1 between adjacent lines, these bypasses being outside the multi-way rotary valve and situated in proximity to this valve, for the circulation of rinsing liquids with a small or zero concentration gradient. The invention makes it possible to use all types of distribution and extraction trays and all types of adsorbent loading, whilst preserving a high level of product purity. Application to the separation process in particular of paraxylene or metaxylene from a C8 aromatic charge.

The invention belongs to the technical field of drilling equipment, and particularly discloses a machine part drilling device. The device comprises a rack, a guide rail is arranged on the rack, a supporting frame is arranged on the guide rail in a sliding connection manner, a cross beam connected with a telescopic device is arranged on the supporting frame, a motor is arranged on the telescopic device, a drill bit is arranged at the output end of the motor, and the device is characterized in that a transverse rod is arranged on the telescopic device, a first supporting rod and a second supporting rod are arranged on the transverse rod, and are hinged with a first clamp and a second clamp correspondingly, two opposite air cylinders are arranged in the middle of the rack, a clamping plate isarranged on piston rods of the air cylinders, and a first spraying head and a second spraying head connected with a water pipe are arranged in the middle of the first supporting rod and the middle ofthe second supporting rod. The device is mainly used for machine part drilling, and the problem that after drilling, sweeps easily remain in holes is solved.

The invention discloses a method for building an ecological littoral zone in a buffer area. The method comprises building of gabions, a low pond, multiple ponds and a retention canal. The method comprises the following specific steps: (1) a gabion area is built, wherein the gabions are built between a normal water level of a river and a level of a flood occurring every two years, and emergent aquatic plants are planted in gaps between the gabions; (2) the low pond is built, wherein a low area which is 20cm lower than the gabion area and 20cm lower than foundations of the multiple ponds is built between the level of the flood occurring every two years and the level of a flood occurring every twenty years; (3) a multi-pond system is built, wherein two rows of pond systems are built in the low pond area, substrate improvement is conducted, submerged plants are closely planted in the ponds, and the emergent aquatic plants are planted on the foundations and the circumferences of the ponds; (4) the retention canal is built, wherein the retention canal is built along the outside of the level of the flood occurring every twenty years. The method effectively solves the ecological problems that a surface source of a gentle slope area of the river is severely polluted, landscapes are poor, the biodiversity is reduced and water and soil loss occurs, and offers a feasible and efficient ecological restoration measure for recovery and reconstruction of a hydro-fluctuation belt.

A laparoscope lens washing-drying device comprises a sleeve, a washing tube, a drying component, a connecting piece and a handle, wherein the nominal dimensions of the inner diameter of the sleeve and the outer diameter of the laparoscope are the same and the sleeve and the laparoscope are in movable fit, two through holes used for mounting the washing tube and the drying component are arranged in the wall of the sleeve, an arc groove is arranged at the rear end of the sleeve, a flushing liquor outlet is arranged on the side wall at the front end of the flushing tube, a flushing liquor control switch is arranged on the side wall at the rear end of the flushing tube, the drying component is a pipe fitting provided with a water sucking sponge, an opening for introducing the flushing liquor into the water sucking sponge is arranged on the side wall at the front end of the pipe fitting, the front end of the flushing tube is inserted in the through hole for mounting the flushing tube on the wall of the sleeve, the front end of the pipe fitting provided with the water sucking sponge is inserted in the through hole for mounting the drying component on the wall of the sleeve, one end of the connecting piece is connected with the rear end part section of the flushing tube, the other end of the connecting piece is connected with the rear end part section of the pipe fitting provided with the water sucking sponge, and the handle is arranged on the connecting piece.

The invention relates to a controller for a vacuum toilet, comprising a control unit (100) with an actuating unit with an actuating element to be manually actuated by user. The actuating element has acontact surface (222a) and an actuation surface (211a) of a push-button key (211) opposite the contact surface (222a), said push-button key being spring-loaded in an initial position and being movable out of said initial position into a trigger position by actuating a press button. In the trigger position, the actuation surface (211a) is in contact with the contact surface (222a), and the actuating element is actuated by the push-button key (211).

The invention provides a multifunctional squatting toilet capable of emitting light and cleaning dirt, which comprises a water storage tank, a toilet body connected with water storage tank through a water flushing pipeline and a toilet cover pivoted on the toilet body, wherein both sides of the toilet body are respectively and symmetrically provided with a squatting platform, and the side wall ofthe squatting platform passes through a transparent layer covered light emitting assembly; the light emitting assembly is connected with a processor, and the processor is also connected with a luminance sensor, a sound sensor and a human body sensor; the light emitting assembly is also connected with a generator, and the generator is connected with a rotating impeller arranged in the water flushing pipeline; the water flushing pipeline is connected with the toilet body through an automatic valve, and the automatic valve is connected with the processor; a pressure packet is arranged in the water flushing pipeline; and the water flushing pipeline is also connected with at least to sprinkling heads through hand valves, and the sprinkling heads are symmetrically distributed on both sides of the toilet body, and the direction of the arrangement positions of the sprinkling heads is corresponding to the front leading platform face of the toilet body. A user can freely control the multifunctional squatting toilet to emit light, and dirt on the platform face of the toilet body can be cleaned conveniently.

A machine tool has a cover that prevents chips generated by machining and cutting fluid from scattering around and a plurality of movable nozzles with liquid discharge directions thereof being movable so as to wash out chips that have adhered to or accumulated on an inner surface of the cover. The machine tool is capable of changing a discharge direction of each of the movable nozzles individually. The machine tool compares the state of the inside of the cover before start of machining with the state of the inside of the cover after chips are generated to determine an adhesion or accumulation state of chips. The machine tool thus calculates the liquid discharge direction to wash out chips from the movable nozzles based on a result of the determination.

The invention discloses a vertical multilayer potato cleaning device. The device comprises a casing, wherein a feeding pipe is arranged at the upper end of the left side of the casing, and a first carrying disc is arranged in the casing and located on the right side of the feeding pipe; a first rotating disc is arranged above the first carrying disc and a rotating water spray pipe is arranged above the first rotating disc; a mud guide plate is arranged below the first carrying disc and an annular water spray pipe is arranged below the mud guide plate; a brush plate is arranged below the annular water spray pipe and a second rotating disc is arranged below the brush plate. Potatoes are rotationally washed by the aid of the rotating discs and the rotating water spray pipe, so that the washing effect is improved. The device can efficiently and thoroughly brush potatoes by the aid of the second carrying disc provided with a freely rotating roller, a reversely rotating second rotating discand the brush plate, so that the brushing effect and efficiency are improved. Automatic discharging is realized by the aid of the rotating discs and a discharging channel, and the washing efficiency is improved.

The invention discloses a method and a system utilizing external steam for start debugging of a new-built supercritical unit. The method comprises steps as follows: a first isolation gate is additionally mounted between a high-pressure bypass valve I and a reheat cooling section I of a production unit, a communication pipeline is additionally mounted at an isolation section between the high-pressure bypass valve I and the reheat cooling section I of the production unit, a communication gate is arranged on the communication pipeline, and a second isolation gate is additionally mounted between a high-pressure bypass valve II and a reheat cooling section II of the new-built supercritical unit; the first isolation gate is closed, the communication gate is opened, and external steam after temperature and pressure reduction is supplied to the new-built supercritical unit by the high-pressure bypass valve I of production unit; a superheater and a connecting pipeline are purged under the reduced pressure by means of the external steam, and a reheater and a connecting pipeline are purged under stable pressure and reduced pressure by means of the external steam; overall start debugging of a turbine of the new-built supercritical unit is performed. Under the condition that a boiler of the new-built unit is not ignited, steam purging of the units and overall start debugging work of the no-load test operation stage are completed by the aid of the external steam provided by the production unit, so that the ignition times of the boiler in the supercritical unit and time of operation in a non-economic area are reduced.