547results about How to "Improve flushing efficiency" patented technology

Provided is a water inlet device capable of feeding detergents. The water inlet device capable of feeding detergents can feed detergents accurately and effectively, and metal parts are not corroded. The water inlet device capable of feeding detergents comprises a main channel (11), and a Venturi tube (7) is connected to the main channel (11), wherein the main channel (11) is connected with a main electromagnetic water inlet valve (1), and a flushing and liquid inlet channel (12) is connected in parallel with a water delivery channel in the direction of the inlet of the main electromagnetic water inlet valve; the flushing and liquid inlet channel (12) is connected with an electromagnetic flushing water inlet valve (2) and a liquid collection chamber (5) located in the direction of the outlet of the electromagnetic flushing water inlet valve (2), and an one-way valve A (3) and a detergent A box (4) which is arranged in the direction of the inlet of the one-way valve A (3) are connected to the portion, between the electromagnetic flushing water inlet valve (2) and the liquid collection chamber (5), of the flushing and liquid inlet channel (12) in a branch mode; a liquid outlet passage (14) is connected to a portion between the outlet of the liquid collection chamber and the negative pressure port of the Venturi tube, the liquid outlet passage is connected with a flow sensor (6), and the outlet of the main channel is connected to a wash bucket. The water inlet device capable of feeding detergents is used as a water inlet and detergent feeding device for a washing machine.

The invention relates to a hydraulic pipeline flushing technique, in particular to a closed self-circulation hydraulic pipeline flusher, which comprises an oil-filling pump station and is characterized by comprising a self-circulation flusher and a flushing pipeline, wherein the self-circulation flusher is connected with an oil supply end and an oil return end of the oil-filling pump respectively, and an oil supply pipe and an oil return pipe are provided with a valve respectively; the self-circulation flusher is also connected with the flushing pipeline through a temporary connecting pipeline to form a circulation loop; and the self-circulation flusher mainly comprises a pipeline pump, a pipeline filter and a valve, the flushing pipeline comprises the temporary connecting pipeline and various sections of hydraulic pipelines, and the pipeline pump, the temporary connecting pipeline, the sections of the hydraulic pipelines, the pipeline filter and the valve are connected in turn to form a loop. The closed self-circulation hydraulic pipeline flusher has the advantages that the contact of oil with the outside air is reduced, the volume of an oil tank is reduced, the pressure can be increased gradually with the added pipeline pump, the perfect flushing flow rate is achieved so that the washing efficiency is improved, and the structure is simple and light and is easy to implement.

The invention discloses a wear test device. The wear test device comprises a weight, a driving motor, a grinding wheel arranged on a rotating shaft of the driving motor, and a lever mechanism arranged at one side of the grinding wheel by virtue of a loading shaft as well as a first spraying water pipe arranged above the grinding wheel at one side close to the lever mechanism, wherein the lever mechanism is composed of a cross rod and a vertical rod, a loading rod is arranged below the cross rod, a weight mounting hole is formed in one end of the cross rod far away from the vertical rod, the weight is loaded on the cross rod by virtue of the weight mounting hole, a sample mounting hole is formed in the part, close to the grinding wheel, of the vertical rod, and the sample mounting hole is toward the grinding wheel, a water spraying hole of the first spraying water pipe is toward the grinding wheel, and the lever mechanism is of an L-shaped structure which is composed of the cross rod and the vertical rod in an integrated manner. The wear test device has the characteristics that multiple low stress scratch wear environments are provided, a test result is effective and accurate, test cost is low and maintenance is convenient.

The invention discloses a preparation method of an organic and inorganic composite flushing liquid, and belongs to the technique of oil well cement well cementation. The flushing liquid comprises the following components: polysorbate-80, alkyl phenol polyethylene glycol ether, dodecyl benzene sulfonic acid sodium, sodium silicate, sodium pyrophosphate and water, wherein the mass ratio of each component is as follows: 20%-30% of polysorbate-80, 10%-15% of alkyl phenol polyethylene glycol ether, 5%-10% of dodecyl benzene sulfonic acid sodium, 10%-20% of sodium silicate, 5%-10% of sodium pyrophosphate and the balance of water. The flushing liquid is suitable for both the oil-based mud and water-based mud, has high flushing efficiency, improves the replacement efficiency of a well drilling liquid and cement sheath interfacial cementation quality, and can be used under the condition of 50 DEG C-200 DEG C.

The invention discloses a low-water-level closestool. A water storage tank, a waste falling pool, a brush ring water pipe and a spray water pipe are arranged on a closestool body. A water inlet device, a drain valve and a brush ring water supply component are arranged in the water storage tank, one end of the brush ring water supply component is communicated with the brush ring water pipe, and the other end of the brush ring water supply component is communicated with the water inlet device; the brush ring water supply component is provided with an ejecting mechanism communicated with the water storage tank, when water flows to the brush ring water pipe from the water inlet device, negative pressure is generated in the ejecting mechanism, and then water stored in the water storage tank is sucked into the brush ring water pipe; the spray water pipe is arranged in the closestool body independently and is provided with only two openings, namely the water inlet communicated with the output end of the drain valve and the water spray orifice communicated with the bottom of the waste falling pool; in the non-draining state, the drain valve seals the water inlet of the spray water pipe to enable one end of the water inlet of the spray water pipe to be isolated from outside air. By the adoption of the low-water-level closestool, resource consumption and product cost are reduced, and flushing efficiency is guaranteed.

A method for flushing the hollow fibre membrane filter features that when the flow and quality of the product of membrane module are lowered, a flushing pump is turned on to perform reverse flushing and the reverse flushing channel is then cut off the perform forward flushing. Said reverse fushing and forward flushing are alternatively performed until the flow is restored to normal value.

The invention provides a high-pressure-head low-flow non-isolated online cleaning device for a rotary air preheater.The device comprises a steam heating device, an electric heating device, a water tank, an agentia adding device, a high-pressure water pump and a soot blower, wherein the water tank, the agentia adding device, the high-pressure water pump and the soot blower are sequentially connected, and the steam heating device and the electric heating device are both arranged in the water tank.The device is simple in structure, convenient to implement, small in influence on unit operation, and capable of efficiently cleaning a heat exchanging element of the rotary air preheater under the online non-isolated condition.

The invention relates to a reciprocating type pulsation high gradient magnetic separation system matched with a solenoid type superconducting magnet. An ore pulp inlet and outlet channel matched with a pulsation system is arranged, so that the pulsation system can be arranged on a reciprocating type superconducting high gradient magnetic separation system, and pulsation of the ore pulp in a magnetic separation link and washing water in a washing link is realized. Two independent pulsation systems are arranged in a reciprocating system, the magnetic separation link and the washing link can be independently carried out, the pulsation system is composed of a pulsation motor 6, a pulsation box 5 and a pulsation drum membrane 4, the pulsation motor 6 and the pulsation box 5 can be placed at any position which can be connected with the pulsation drum membrane 4, the pulsation box 5 can be connected with a single or multiple pulsation drum membranes 4 by virtue of a pulsation connecting rod 11, the pulsation drum membrane 4 can be arranged in a high-gradient separation cavity 2, can also be arranged in a separation cavity inner barrel 7 and can also be arranged in any pipeline connected with the ore pulp in a superconducting magnetic separation region, under the action of the pulsation drum membrane 4, the ore pulp or washing water can enter and be discharged from the high-gradient separation cavity 2 by virtue of a central feeding pipe 10 and a casing pipe 9 between an inner barrel and an outer barrel of a reciprocating tank or by virtue of a separated casing pipe 9 between the inner barrel and outer barrel of the reciprocating tank and also can enter and be discharged from a magnetic separation region by virtue of a casing pipe 9 between the inner barrel and outer barrel of the reciprocating tank.

The invention discloses a microemulsion-type washing liquid system for an oil-based drilling fluid and a preparation method thereof. The microemulsion-type washing liquid system mainly solves the problem that the existing washing solution has low washing efficiency, a poor wetting reversion function and poor interface bonding quality. The washing liquid system comprises a microemulsion-type washing agent and a base liquid. The microemulsion-type washing agent comprises, by weight, 100 parts of clear water, 4-6 parts of an anionic surfactant, 3-6 parts of a nonionic surfactant, 6-10 parts of a cosurfactant and 7-15 parts of a salt. The base liquid is an aqueous solution containing a certain mass percentage concentration of a weighting agent and polymers. When the washing liquid contacts with an oil phase in the oil-based drilling fluid, a microemulsion can spontaneously form, can efficiently remove the residual oil-based drilling fluid, has a good wetting reversion capability, guarantees bonding of a cement sheath and an annulus interface and has a wide application prospect.

The invention discloses an emulsifying and flushing spacer fluid for improving the cementing quality of an oil-based drilling fluid and a preparation method of the emulsifying and flushing spacer fluid. The spacer fluid is prepared from the following components in parts by weight: 200 parts of water, 5-10 parts of a surfactant, 70-75 parts of base oil, 4-15 parts of a suspension stabilizer, 0.2-3.0 parts of a fluid loss agent, 0.2-2.0 parts of a tackifier, 0.2-5.0 parts of a diluent, 80-400 parts of a weighting agent and 0.05 part of a defoamer, wherein the surfactant is prepared from cocoanut fatty acid diethanolamide CDEA and alkyl glycoside APG in a weight ratio of 1: 2. The emulsifying and flushing spacer fluid which has an emulsifying structure with permeating, dissolving, volume-increasing, carrying functions and the like has a preferable flushing capacity to the oil-based drilling fluid and mud cakes adhered to a casing wall. The surfacant molecules in the spacer fluid can be adsorbed on the surfaces of a casing and a well wall to improve the interfacial wettability, so that cement slurry and the casing and the well wall are better contacted and cemented, and therefore, the first and second interfacial cementation qualities for well cementation are improved.

The invention discloses a high-pressure pulsed turbulent flow pipeline flushing system. The high-pressure pulsed turbulent flow pipeline flushing system is characterized in that: the system comprises a main oil tank and an auxiliary oil tank, a heater is arranged in the main oil tank, and an oil pump motor assembly, a pressure sensor, a pilot-operated check valve and a flushed pipeline are sequentially connected between the main oil tank and the auxiliary oil tank; the other end of the oil pump motor assembly communicates with the main oil tank, electromagnetic valves for controlling the opening and closing of the pilot-operated check valve are arranged on both ends of the pilot-operated check valve, a temperature sensor is arranged on the main oil tank as well, and a filter pump assembly is connected between the main oil tank and the auxiliary oil tank as well. By adopting an energy accumulator, a constant-power variable pump and an instantly opening valve bank, the system can provide high-pressure, ultrahigh-flow flushing oil in a short time according to the requirements of pipeline varieties, consequently, violently turbulent oil is produced in the pipeline, and oil molecules irregularly and violently move up and down to clean the pipeline in a drilling manner.

The invention relates to an intermittent sprinkler for roads. The technical problem to be solved by the present invention is to provide an intermittent sprinkler for roads which saves water resources, has low cost and high flushing efficiency. In order to solve the above technical problems, the present invention provides such an intermittent sprinkler for roads, which includes a cart, a first bearing seat, a guide rod, a water tank, a right side plate, a spray head, a top plate, a second bearing seat, a first Pole, second pole, third pole, shaft, gear, screw, nut, wedge block, first push rod, fixed block, spring, contact wheel, first guide sleeve, second push rod, ring Body, motor, cam, second guide sleeve, L-shaped push rod, compression cylinder, second piston, water outlet hose, water inlet hose, rack, first one-way valve and second one-way valve. The invention achieves the effects of saving water resources, low cost and high flushing efficiency.

The invention discloses a traditional Chinese medicine grinding and washing device. The traditional Chinese medicine grinding and washing device comprises a device body mainly composed of a driving shaft, a crankshaft, a first bevel gear, a threaded rod and a sealing plate. A driving motor is rotatably connected with the driving shaft fixedly connected with the first bevel gear, and the first bevel gear is connected with a second bevel gear in an engaged mode. The second bevel gear is fixedly connected with the upper end of the threaded rod, and the lower end of the threaded rod is connected with a threaded sleeve in a threaded mode. The surface of the driving shaft is fixedly connected with a large gear connected with a pinion in an engaged mode, and the pinion is fixedly connected with the crankshaft. The lower end of a push rod is sleeved with the middle of the crankshaft, and the upper end of the push rod is sleeved with a U-shaped rod fixedly connected with a grinding plate. According to the traditional Chinese medicine grinding and washing device, the bevel gear set drives the threaded rod to rotate forwardly and reversely in a reciprocating mode to achieve the function thatwater liquid is sucked to wash traditional Chinese medicine, and the rotating driving shaft utilizes the gear set to drive the crankshaft to rotate along with the driving shaft to push the grinding plate to continuously move up and down to grind and crush the traditional Chinese medicine. The traditional Chinese medicine grinding and washing device is compact in structure, simple and applicable, and the efficiency of grinding, crushing and washing of the traditional Chinese medicine is greatly improved.

The invention discloses a transformer substation live washing auxiliary washing robot and a method. A mechanical body comprises a chassis. The chassis is fixed to a walking mechanism. A shell is fixed to the chassis. A perpendicular lifting mechanism is fixed to the chassis. An organ box hood is arranged on the periphery of the outer side of the perpendicular lifting mechanism. A vehicle-mounted controller is installed in the organ box hood. Insulation supporting columns are fixed to the perpendicular lifting mechanism. An electric control box is fixed to the upper ends of the insulation supporting columns and controls a water gun washing mechanism installed on the electric control box. A power assembly is installed in the shell and provides a power source for the walking mechanism and the perpendicular lifting mechanism. The vehicle-mounted controller is matched with a remote control system. The remote control system drives the perpendicular lifting mechanism and the water gun washing mechanism to work in a remote control manner. Transformer substation insulator washing operation can be finished through the robot instead of manual work, the safety of an operator is guaranteed, the labor intensity is relieved, washing efficiency is improved, the automation level is increased, and the positive revolutionary effect on the washing operation manner of transformer substations in China is achieved.

The invention discloses a transformer substation live washing robot for low-air insulators and a method. The robot comprises a vehicle walking mechanism, a power assembly, a perpendicular lifting mechanism, a water gun washing mechanism, an electrical control system and the like. The vehicle walking mechanism is of a caterpillar band type moving chassis structure. A diesel engine is adopted in the power assembly for providing power, and the power assembly is installed on a moving chassis. The perpendicular lifting mechanism is connected to the front end of the vehicle walking mechanism and provided with a two-level telescopic arm, and an upper arm of the two-level telescopic arm is connected with a work cradle head of the water gun washing mechanism through insulation supporting columns. The insulators of a transformer substation can be washed through the robot instead of manual work, an operator is located in a safe region, the safety of the operator is guaranteed, labor intensity is relieved, the washing efficiency is improved, the automation level is increased, and the positive revolutionary effect on the washing operation manner of the transformer substation in China is achieved.

The invention relates to the garbage sorting equipment design, in particular to a garbage drum screen with a self-cleaning function and a cleaning device of the garbage drum screen. The cleaning device of the garbage drum screen comprises an air compressor, a first branch pipe and a control device, wherein the air compressor is used for pressurizing gas which flows through the air compressor, and therefore high-pressure gas can be formed; the inlet end of the first branch pipe is communicated with the outlet end of the air compressor, the outlet end of the first branch pipe penetrates through a shell of the garbage drum screen to stretch into the garbage drum screen, and the first branch pipe is used for spraying the high-pressure gas flowing out of the air compressor to screen meshes of a screen plate of the garbage drum screen; the control device is used for controlling connection and disconnection of the first branch pipe. According to the cleaning device of the garbage drum screen, the high-pressure gas which is compressed through the air compressor is guided into the garbage drum screen through the first branch pipe, and therefore the screen meshes of the screen plate can be flushed and smoothened; in addition, the flushing time of the first branch pipe can be selected through the control device, and therefore the flushing efficiency can be higher, and resources are saved.

The invention discloses multi-stage solid-liquid separating equipment. The multi-stage solid-liquid separating equipment comprises a housing, and a multi-stage screen filter mechanism and a plurality of screw extruding solid-liquid separating mechanisms which are arranged in the housing; the housing is provided with a feed inlet and a waste water tank at the bottom, and the waste water tank is provided with a water outlet; the feeding end of the first-stage screen of the multi-stage screen filter mechanism is arranged at the feed inlet of the housing, and the screw extruding solid-liquid separating mechanism is arranged at the discharge end of each stage of the screen; and the solid material discharge ends of all screw extruding solid-liquid separating mechanisms are arranged out of the housing. The multi-stage solid-liquid separating equipment disclosed by the invention filters a solid-liquid mixture in a combined manner by adopting the multi-stage screen filter mechanism and the plurality of screw extruding solid-liquid separating mechanisms, so that a better and more refined solid-liquid separating effect can be provided.

The present invention discloses an abrasive rinsing machine for clearing dust on abrasive surfaces. The abrasive rinsing machine comprises a raw material conveying part, an agitating rinsing part connected with the raw material conveying part, and a rinsing output part connected with the agitating rinsing part. The use of the abrasive rinsing machine for clearing dust sticked to abrasives not only increases rinsing speed and improves production efficiency, but also can largely save water resources.

The invention discloses a road material washing test device adopting electromagnetic driving. The device comprises a washing barrel, wherein a test piece is placed in the washing barrel, the washing barrel is filled with water, and the water surface is higher than the top surface of the test piece; a washing plate capable of moving towards or away from the top surface of the test piece is arranged above the test piece, the washing plate reciprocates to drive water flow to move, and the water flow moves to wash the surface of the test piece. According to the device, alternating current is introduced, the direction of the alternating current changes periodically, so that a guide rod reciprocates up and down and drives the washing plate to move, and dynamic water is produced in the washing barrel to realize the washing and suction circulating effect on the test piece; the frequency and the magnitude of the alternating current are changed by a control console, the pressure of the dynamic washing water can be controlled precisely, and washing of a base layer or a surface layer under conditions of different dynamic water pressure and acting frequency during actual washing can be simulated more truly.

The invention discloses a modularization mobile toilet, which belongs to environment sanitation facilities. To solve the problem in the prior art that the traditional mobile toilets are not convenient, the modularization mobile toilet has several modules which can be quickly disassembled and assembled, after integration and improvement of functions and parts thereof. The modules includes a separated storage and transport car, a one-piece toilet flushing device with high accuracy, and an insertion-hanging type enclosure body which can be quickly disassembled and assembled. The toilet cubicle storage and transport car is separated from the enclosure body, and thus the storage and transport car can be independently moved to a discharging place and to be washed. The parts of the enclosure body are connected by insertion-hanging type quick connection members, realizing quick assembling by inserting or hanging and quick disassembling by pulling and withdrawing. The one-piece toilet-flushing device with high accuracy is convenient for relocating. Air pressurization and the accurate flushing can improve flushing efficiency, reduce water supply of the modularization mobile toilet and work amount of cleaning, and save water. The modularization mobile toilet improves the usage convenience and expands applications thereof.

The invention discloses a washing and sweeping vehicle with a double-circulation filter system. The washing and sweeping vehicle comprises a vehicle chassis, a draught fan, a suction air duct, a suction pipe, a suction plate, a brush plate and a water spraying device. According to the double-circulation filter system, a sewage box is connected with a first-stage water pump through a pipeline, the first-stage water pump is connected with a second-stage water pump through a pipeline, the second-stage water pump is connected with one or more filters. The filter is connected with the sewage box through a pipeline. A pressure regulation valve is arranged on the connection pipeline between the filter and the sewage box. The connection pipeline between the first-stage water pump and the second-stage water pump is connected with the connection pipeline between the filter and the pressure regulation valve through a pipeline. The clear water outlet of the filter is connected with a clear water box through a pipeline. The filter is a ceramic membrane filter which comprises a ceramic membrane pipe arranged in a sealed shell. The two ends of the sealed shell are used as a sewage inlet and a sewage outlet respectively to be connected with pipelines. A clear water outlet is formed in the sealed shell. By means of the washing and sweeping vehicle, the effective working time of environmental sanitation devices can be greatly prolonged, the sewage discharge amount can be decreased, and the utilization rate of water resources is increased.

The present invention relates to the technical field of medical devices, in particular to a cerumen flusher, which includes a cylinder with a double-layer structure, which includes an outer cylinder and an inner cylinder, and an airtight seal is formed between the outer cylinder and the inner cylinder. The cavity is equipped with a heating device, a temperature sensor and a controller; the two ends of the cylinder are respectively provided with a first opening and a second opening, and both the first opening and the second opening make the inner cavity of the inner cylinder communicate with the outside world. The first opening is connected with a conduit, and one end of the conduit is located outside the cylinder, and is connected with a hose; a piston and a push rod motor are installed in the inner cavity of the inner cylinder, and the piston is slidingly connected with the inner cylinder, and the inner cavity of the inner cylinder is divided into Two chambers that are not connected to each other. The two chambers correspond to the first opening and the second opening one by one. The push rod motor is installed in the chamber where the second opening is located and connected to the piston. The push rod motor drives the piston along the inner cylinder. The wall slides. The invention has a simple, complete and compact structure and can reduce the damage to the external auditory canal.

The invention discloses a water treatment device and method for synchronously realizing filtering and back washing. A filtering tank is installed on a supporting support, and the device is characterized in that the lower part of the filtering tank is connected with a water inlet tube and a water distribution device; a sand distribution device is arranged below the water distribution device; filter materials are placed in the filtering tank; a water outlet groove and a water discharge tube are arranged on the upper part of the filtering tank; a sand storage hopper is arranged at the bottom of the filtering tank; the sand storage hopper is externally connected with a sand transportation tube and a sand extraction pump; a back washing chamber is installed on the upper part of the filtering tank; the sand transportation tube is connected with the back washing chamber; sand-water separation is carried out on back washing water and inlet gas, clean sand enters a sand cleaning chamber and falls down a filter material layer; and separated back washing sewage is discharged out of the filtering tank from a back washing tube. A mode that waste water flows upwards is adopted, the filter material with the maximum sewage cutting amount in the filtering tank is located on the lower part of the whole filtering layer, sand in a lower layer falls down, replacement and changing are convenient through sand lifting, filtering and back washing can be synchronously operated, continuous operation of a filtering device is achieved, filtering layer sewage cutting capacity and work efficiency are improved, and the energy consumption and cost are reduced.

The invention relates to the technical field of toilets and provides a toilet. The toilet includes a sewage pipe, the inlet end of the sewage pipe communicates with the sewage outlet of the bucket body, and the outlet end of the sewage pipe is accommodated in the sewer and can be turned upside down. When the toilet is flushed, the outlet end of the sewage pipe can be turned downwards, so that the flushing water and excrement can be more easily poured into the sewer, which not only has high flushing efficiency, requires less flushing water, and flushes more cleanly , It is not easy to have residual excrement; after the toilet is flushed, the outlet end of the sewage pipe can be turned upside down, and the water seal can be formed by continuing to inject clean water, so as to isolate the bad smell.

The invention discloses an environment-friendly building formwork cleaning device convenient to use. The environment-friendly building formwork cleaning device convenient to use comprises a base. Theupper surface of the base is provided with a sliding groove. The sliding groove is connected with a sliding block in a sliding manner. The upper surface of the sliding block is fixedly connected withthe lower surface of a threaded cap. A threaded column is connected with the inner surface of the threaded cap in a threaded manner. The right end of the threaded column is fixedly connected with theleft end of the first rotating shaft. A first bearing is connected with the outer surface of the first rotating shaft in a sleeved manner. According to the environment-friendly building formwork cleaning device convenient to use, through mutual cooperation of a motor, a driving wheel, a driven wheel, a belt, the first rotating shaft, the first bearing, a second rotating shaft, a second bearing, the threaded column, the threaded cap, the sliding block, the sliding groove, a first water pump, a second water pump, a water storage tank, a first water pipe, a second water pipe, a third water pipe,a fourth water pipe, a first sprayer and a second sprayer, cyclic utilization of the water resource is achieved, the water resource is saved, the flushing efficiency is improved, and the work efficiency of work personnel is improved.

The invention discloses a stem cell culture system. The stem cell culture system comprises a mounting box, a pretreatment mechanism, a cell dispersing mechanism, an isolating and cleaning mechanism, aconvenient test tube picking and placing mechanism, a temperature control mechanism and a cell centrifugation mechanism, wherein the bottom end of the mounting box is fixedly connected with a mounting bottom plate, the cell centrifugation mechanism is arranged on one side face of the outside of the mounting box and comprises a centrifuge main body, and a sealing cover is hinged to one side of oneside face, where the centrifuge main body is placed, of the outside of the mounting box. According to the stem cell culture system, a lifting outer tube can be lifted from the top of a lifting circular tube through an offsetting spring, a top end plane of a connecting flip plate can restores horizontal, thus, a fixing ring and a top end plane of a placement tube can be horizontal, then, the placement tube can correspond to a test tube position of the convenient test tube picking and placing mechanism, thus, a test tube can be more easily placed inside the placement tube, and thus, a cell dispersing device and a stem cell centrifugation mechanism can be more conveniently used in a matched manner.

The invention discloses an electrified water washing robot of a wheel type substation. The robot comprises a car body moving mechanism, wherein the car body moving mechanism is a wheel type moving chassis structure, and is connected with a revolving platform of a lifting mechanism through a revolving support; a three-section two-grade telescopic arm is additionally mounted on the revolving platform of the lifting mechanism; a small arm of the three-section two-grade telescopic arm is connected with a working table of a water gun washing mechanism through a leveling oil cylinder; an electric control system comprises a vehicle-mounted subsystem and a remote control subsystem; and the remote control subsystem and the vehicle-mounted subsystem fit to use a hydraulic control system to finish the control of the car body moving mechanism, the lifting mechanism and the water gun washing mechanism of the robot in a wireless mode. The device uses the robot for replacing manual operation to finish the insulator washing operation of the substation, so that operators are located in a safe area, the safety of the operators is guaranteed, the labor intensity is reduced, and the washing efficiency and the automation level are improved.

The invention discloses an oil base mud flushing agent for well cementation and a method for preparing a flushing solution. The oil base mud flushing agent is composed of fluorocarbon surfactant, ethylene glycol monobutyl ether, diesel oil, tributyl phosphate, alkylphenol ethoxylates, nonyl acid polyoxyethylene ether, ethoxylated lauryl alcohol sulfates and sodium dodecylbenzene sulfonate. After the oil base mud flushing agent for well cementation is prepared into the flushing solution, the flushing solution has good capability of flushing oil base mud and a filter cake.

The invention discloses a parturition-imitating biological heavy metal soil remediation ball. The invention belongs to the technical field of soil remediation. According to the scheme, potassium permanganate powder in an upper exposed ball is continuously decomposed under the action of external illumination; oxygen generated by decomposition can be promoted to enter a splitting repair cylinder; therefore, a sealing film on the outer side of the splitting repair cylinder is ejected open; on one hand, rhizopus culture liquid can be promoted to enter the splitting repair cylinder; meanwhile, oxygen can also provide raw materials for the respiration of rhizopus oryzae; the rhizopus oryzae in the rhizopus oryzae culture liquid can be promoted to be uniformly distributed; on the other hand, oxygen is continuously increased; a lower pre-buried ball can also be broken through extrusion, so that the upper exposed ball, the lower pre-buried ball, the rhizopus culture liquid and a main transmission hose are respectively simulated into a parent body, an embryo, amniotic fluid and an umbilical cord, and the division repair cylinder is promoted to be uniformly distributed in the soil by simulating an embryo development process, so that the soil heavy metal treatment is more sufficient.

The invention relates to a fiber flushing spacer fluid for oilfield well cementation. The spacer fluid consists of the following raw materials in parts by weight: 100 parts of base solution, 0.2-0.4 part of anti-crack fiber and 0.4-1.0 part of petroleum sodium sulfonate, wherein the base solution consists of the following raw material components in parts by weight: 92.5 parts of clear water, 1.0-5.0 parts of water glass and 0.1-0.5 part of hydroxyethyl cellulose. The anti-crack fiber is polypropylene fiber with the length of 6-8mm or medium-alkali glass fiber with the length of 2-4mm, or a combination of the polypropylene fiber with the length of 6-8mm and the medium-alkali glass fiber with the length of 2-4mm. The water glass is liquid sodium silicate, wherein the sodium silicate accounts for 40-48 mass percent, and the modulus of the water glass is 2.2-2.6. The fiber flushing spacer fluid for oilfield well cementation has the advantages of high flushing efficiency, high adaptability and the like and is suitable for the well cementation requirements in different construction environments, the well cementation construction operation is promoted, the preparation process is simple, the product performance is stable, and the flushing efficiency is high.