153results about How to "Not easy to block" patented technology

The invention discloses a method for on-line detecting water quality, which comprises the following steps: a. sample collecting, wherein, water sample in the test environment is collected and delivered to pretreatment device; b, pretreatment, wherein, water sample flows out from an inlet tube into a water container after flowing through a filter screen, wherein, the angle formed between the water velocity attitude and the filter screen is an acute or a right angle; and c. measuring, wherein, the water sample to be tested is collected from the water container, and the water parameter is obtained by analyzing the test water sample to be tested. The invention also discloses a system for on-line detecting water quality. The invention has the advantages of continuous working, uneasy blockage, low cost, and the like, and the invention can be applied in various water sample on-line analysis.

The invention provides a biomembrane reactor, which comprises an outer cylinder with a water inlet and a water outlet provided at the bottom part; an inner cylinder arranged in the outer cylinder, two ends of the inner cylinder are communicated with the outer cylinder, the top of the inner cylinder is lower than the top of the outer cylinder; a filling material used for filling a bio-contact oxidation tank of the inner cylinder; a filter material used for filling the biological filter tank between the inner cylinder and the outer cylinder; an aeration apparatus provided at the bottom of the outer cylinder, the aeration apparatus is communicated with the inner cylinder. The invention provides a waste water treating system and a method for treating waste water. The biomembrane reactor provided in the invention has the functions of the bio-contact oxidation tank and the biological filter tank, waste water forms a circulation between the inner cylinder and the outer cylinder under the promotion effect of the aeration apparatus, and waste water passes through the filling material used for bio-contact oxidation tank and the filter material used for biological filter tank for a purifyingprocess, thereby the effect of treating waste water can be improved.

A process for preparing high-purity Acarbose includes such steps as heating the fermented Acarbose liquid for sterilizing, primary membrane separation, cooling, regulating pH value, desalting and decolouring, regulating pH value, stage-one membrane separation, stage-2 membrane purifying, concentrating, regulating pH value, macroreticular resin adsorption, pickling, collecting high-purity (98%) solution of Acarbose, regulating pH value, stage-3 membrane purifying, concentrating and drying. Its advantages are high extraction rate, less environmental pollution and low cost.

The invention relates to a waste lead acid battery crusher, belonging to the mechanical field. The crusher comprises a feed port, a crushing bin, a filtering device and a discharging port, wherein the inside of the crushing bin is provided with a crushing hammer, the feed port is arranged on the upper part of the crushing bin, the discharging port is arranged on the lower part of the crushing bin, the filtering device is arranged between the crushing hammer and the discharging port; the crushing hammer comprises a rotation shaft, a hammer carrier and a hammer body; and the rotation shaft penetrates through the crushing bin, the hammer carrier is arranged on the rotation shaft, the center of the hammer carrier is positioned on the central axis of the rotation shaft, the hammer carrier is perpendicular to the rotation shaft, the hammer carrier is provided with a hammer shaft, and the hammer body is arranged on the hammer shaft. The device of the invention has simple structure, low cost, long service life, low maintenance cost, less procedures, simple process and good crushing effect.

The invention discloses a high-quality spray absorber for wet flue gas desulfurization. The absorber comprises an absorber cylinder body which is provided with a flue gas inlet channel and a flue gas outlet channel. A perforated screen plate, flue gas redistribution rings, slurry spray devices, a demister and a rotating-stream plate device are arranged horizontally from bottom to top between the flue gas inlet channel and the flue gas outlet channel. Inner side edges of the flue gas redistribution rings are in an undulate or serrated shape, and the rotating-stream plate device is composed of a plurality of evenly-distributed independent rotating-stream plate separators. According to the high-quality spray absorber for wet flue gas desulfurization, the problem of no flue gas flowing above the absorber close to the flue gas inlet section is solved, the phenomenon of the easy crystallization and scaling of the area is overcome, gas-liquid contact area is maximized, absorption reaction is effective, and the absorber is applicable to desulfurization of flue gas with high sulfur dioxide content. 'fog-drop particles' carried in the flue gas are eliminated to the maximum extent, chimney 'rain' phenomena are reduced greatly, and the content of fog-drop particles can achieve 60 milligrams/nanometer3. The absorber is wide in applicable range, and can be used for wet flue gas desulfurization in a double-alkali way, an acetylene sludge way, a lime-gypsum way and the like.

The present invention relates to a preparation method of a polyacrylonitrile-based precursor, and mainly solves the problems that in the prior art bubbles in a material sprayed out by a filter cannot be completely eliminated, spinnability is poor, wire broken rate is high, and a carbon fiber precursor obtained by spinning is low in strength and unstable in performance. The preparation method well solves the problems, and the preparation method includes the following steps: 1) solvent dimethyl sulfoxide, first monomer acrylonitrile, a second monomer itaconic acid and initiator azodiisobutyronitrile are polymerized to obtain a spinning stock solution, and a high performance polyacrylonitrile copolymer spinning stock solution is obtained by filtering after demonomerisation and defoaming of the spinning stock solution; nascent fiber is obtained by jet extrusion and consolidation forming; and a high-performance polyacrylonitrile carbon fiber precursor is obtained by drawing, water washing, oiling, compacting by drying, steam stretching, heat-setting and collection of the nascent fiber; and the method can be used for the industrial production of the carbon fiber precursor.

The invention discloses a portable liquid nitrogen filling device with an automatic stopping function for a high-purity germanium detector. The portable liquid nitrogen filling device comprises a temperature measuring unit, an automatic control unit and a liquid nitrogen filling unit, wherein the automatic control unit comprises a 220V power supply, a start button, an alternating-current contactor, a temperature controller and an electromagnetic valve; the electromagnetic valve is arranged on an exhaust pipe of a liquid nitrogen pump; the two input ends of the electromagnetic valve are connected with an L phase and an N phase of the 220V power supply respectively through a contact KM2 and a contact KM3 of the alternating-current contactor; the electromagnetic valve is in a shut-down state when the output voltages of the contact KM2and the contact KM3 are switched on and is in a turn-on state when the voltages are switched off. By adopting the portable liquid nitrogen filling device, a temperature monitoring function is realized, the liquid nitrogen pump stops automatically when a Dewar tank is full of liquid nitrogen and the automatic control unit is irreversible when the temperature is higher than a set threshold value, so that the function of unattended operation is realized in a liquid nitrogen filling process.

The invention discloses an extraction method of defatted wheat germ protein. The extraction method includes crushing low-temperature defatted wheat germs to make even wheat germ slurry, using an ultrasonic vibration classifying screen for wet screening, subjecting screening product to centrifugal settling separation and acid precipitation to obtain protein precipitate, and subjecting the protein precipitate to washing, modifying, sterilizing and drying to obtain the finished wheat germ protein. Compared with the prior art, the extraction method has the advantages that screening efficiency is high, meshes are less easy to block, power consumption is low and the like. By the extraction method, protein dissolution quantity can be increased, protein purity and yield can be increased, the protein is fine in dispersiblity, emulsibility, foamability, water retention and oil retention, the primary concentration of the protein can be achieved, and wheat germ dietary fiber, high-added-value product, can further be obtained from oversize product, and accordingly comprehensive utilization rate of the wheat germs is increased. In addition, the extraction method has low requirement for production equipment, is simple in process sequence and is convenient for industrial popularization.

The invention relates to a rotary immersed water treatment ultra-micro-filtering method and a rotary immersed water treatment ultra-micro-filtering device. The two ends of each hollow fibrous membrane wire are cast to an upper membrane wire disk and a lower membrane wire disk respectively; the upper membrane wire disk is connected with a water collecting tank; the lower membrane wire disk and a component base plate are fixed; a cavity of each membrane wire is communicated with a cavity of the water collecting tank; the membrane wires and the water collecting tank are integrated to form a membrane component; the water collecting tank is connected with a hollow shaft; the hollow shaft lifts the membrane component to a bearing seat and is communicated with a negative pressure water outlet pipe; a pin gear fixedly arranged on the water collecting tank, a speed reducer, a transmission shaft and a pinion form a driving device and the driving deice can drive the membrane component to rotate forwardly and reversely, so as to enable the membrane wires to be in a movement state; the negative pressure of a system is achieved in a pumping or siphon manner, raw water is filtered by a membrane, and pure water is drained from a negative-pressure water drainage pipe; due to the movement of the membrane component, the membrane wires and water flow move relatively, dirt attached to the surface of the membrane is taken away in time by the scouring force of the water flow, blocking of the surface of the membrane is effectively prevented, and the filter flow does not attenuate.

The invention discloses a biogas burner which comprises a combustor drum outer pipe, a combustor drum inner pipe, a conical flame stabilizing disc, an outer air pipe, an air-outlet hole, an air spinning sheet, a gas spinning sheet, a decoking conical port, an air-inlet device, an air-inlet outer pipe and an adjusting bolt. The air-inlet outer pipe is welded on a conical port connector, a detachable flange is further fixed on the air-inlet outer pipe, the air-inlet device and the decoking conical port are fixed on the detachable flange, a conical port adapting flange is fixedly connected onto the conical port connector, the adjusting bolt is locked on the outer air pipe and butts against the air inlet outer pipe, the combustor drum inner pipe is sleeved on the combustor drum outer pipe, a support plate is further arranged on the combustor drum inner pipe, and the conical flame-stabilizing disc is fixedly connected onto the combustor drum inner pipe. The biogas burner enables fuel to be sufficiently combusted, cannot pollute environment, is not prone to be blocked, and is free of tempering blowing-off, long in service life and good in stability.

The check valve with safety valve is a kind of check valve installed at the lower end of the suction pipe of the oil pump, which can make the oil suction pipeline of the oil pump safer. The check valve with safety valve includes a check valve body 2, an outflow end flange 1, an inflow end flange 16, a check valve seat 11, bolts 15, an inflow end flange seal 10, an outflow end inner cavity 17. Rib plate 3, check valve core 18, valve stem cover 5, valve disc 13, valve stem 9, check valve spring 4, characterized in that the valve stem 9 of the check valve is equipped with a safety valve seat 6 , the safety valve that steel ball 7 and safety valve spring 8 form. The advantage is that the safety valve is far away from the inflow end and is not easy to be blocked; the safety valve is installed in the valve stem 9, which does not affect the flow of fluid in the check valve; does not affect the arrangement of other pipe fittings; the suction pipe of the oil pump, that is, the same as the check valve The pipe fittings connected to the outflow end are equipped with a safety valve as a guarantee. It can be popularized and applied in the check valve structure.

The invention discloses a gasification agent injection device of a biomass gasifier, which comprises a gasification agent inlet pipe, a gasification agent outlet pipe erected in a gasifier body, an electric or manual speed reducer positioned at the top of the gasifier and an air inlet three-way joint fixed in the gasifier body, wherein the upper part of the gasification agent outlet pipe runs through upper and lower ports of the three-way joint to be connected with a main shaft of the speed reducer and to rotate along with the main shaft of the speed reducer under the positioning of the gas inlet three-way joint; the part of the gasification agent outlet pipe in the three-way joint is provided with a plurality of air inlets; the lower end of the gasification agent outlet pipe is communicated with at least one gasification agent injection pipe with a plurality of air injection holes; a transverse port of the air inlet three-way joint is connected with the gasification agent inlet pipe;joints between the gasification inlet pipe and the port of the air inlet three-way joint and between the gasification agent outlet pipe and the port of the air inlet three-way joint are in the state of high-temperature oil seal; and the outer pipe wall of the gasification gas outlet pipe is also provided with a material stirring device.

The invention discloses a dry ice spraying device which comprises a compressed air nozzle, a mixing chamber, an oscillating cavity, a diffusion pipe and a collision wall. A mounting through hole and a dry ice inlet are arranged on the mixing chamber, the compressed air nozzle is embedded in the mounting through hole, the mixing chamber is communicated with the oscillating cavity through a dry ice spraying-in passage, a dry ice outlet is arranged on the oscillating cavity, the diffusion pipe is mounted at the dry ice outlet, and the collision wall is arranged in the oscillating cavity and is opposite to the dry ice spraying-in passage. Two-throat-pipe spraying is adopted, so that conveying of dry ice particles is less prone to blockage when the dry ice spraying device works, continuous and smooth feeding of the dry ice particles is realized, and working efficiency is improved; the oscillating cavity is designed, and by self-excitation oscillating structure conditions and continuous border conditions of the oscillating cavity, continuous dry ice spray flow can be converted into pulse spray flow, spraying distance is long, and continuous quantity is large. The invention discloses a dry ice spraying method adopting the dry ice spraying device.

The invention discloses a distribution method and a distribution device of mobile phases of chromatographic columns. The distribution method comprises the steps: adopting a circular distributor matched with a cross section for preparing a chromatographic column; divergently arranging distribution liquid paths of liquid phases outwards in a tree shape along the center on the distributor; installing a distribution hole on the end of each distribution liquid path of liquid phases, wherein the lengths from the center of the distributor to the same-specification distribution liquid paths of liquid phases of all the distribution holes are equal; evenly distributing the liquid phases from the center of the distributor along each distribution liquid path of liquid phases to each distribution hole; and then evenly distributing the liquid phases to fixed phases of chromatographic columns. The distribution method can effectively eliminate the defect that the residence times of the mobile phases on a distribution system have serious differences along with the increase of the diameters of the chromatographic columns, can realize the even initial distribution of the mobile phases entering the chromatographic columns and can not be influenced by the high-pressure transport of the mobile phases. The distribution device has the advantages of simple structural design, difficult blockage, easy washing and repeated use.

The invention relates to a drilling tool for a two-way soil-cement mixed pile. The drilling tool comprises an inner drilling rod, an outer drilling rod, an inner drilling bit and an outer drilling bit, wherein a water gas injection device is arranged at the upper part of the outer drilling rod, a cavity between the outer drilling rod and the inner drilling rod is set as a channel enabling water gas to descend, a water gas injection spray nozzle is arranged in the position of an outer drilling core pipe above a lower layer of mixing blades of the outer drilling head, the water gas injection spray nozzle is provided with a spray pipe which is arranged perpendicular to the outer drilling core pipe, spray ports are arranged at the two ends of the spray pipe, a valve cavity is arranged in the middle of the spray pipe, a floating spherical valve core is arranged in the valve cavity, and the middle of the valve cavity is connected with the outer drilling core pipe through a connecting pipe. When a pile is made of cement flour, the quality problem of the pile formed at the upper part due to low water content in a crust layer on the earth surface can be solved by water injection; when the pile is made of cement grout, the quality problem of the pile formed at the deep part due to the lack of dry curing at the deep part of the file can be solved by gas injection; the full pile length pile quality of the two-way soil-cement mixed pile can be ensured; and simultaneously, the drilling pipe is less prone to pipe blockage and can increase the mixing times of the cement flour or the cement grout which is sprayed out and greatly improve construction efficiency.

The material arch preventing and breaking device with rotating shaft used in storehouse includes one arch breaking rotation shaft horizontally set onto the wall of storehouse, arch breaking gears mounted via key slots onto the arch breaking rotation shaft in equal interval, one sealing unit comprising steel plate and sealing ring for the arch breaking rotation shaft, one motor connected through belt to the transmission mechanism of the arch breaking rotation shaft and one inside support. The present invention is set in different kinds of material storehouse for preventing and breaking material arch and making material flow fluently.

The invention provides a valve type microfluidic bi-component electrostatic spinning nozzle which mainly comprises a connecting piece, a shunting column casing, an inner charging barrel, an outer charging barrel, a screw, a receiving plate, a high-voltage electrostatic generator and a heating system. The inner charging barrel, the shunting column casing and the connecting piece are sequentially connected by coaxial threads from inside to outside. The connecting piece is connected with the outer charging barrel through the screw and the outer charging barrel is arranged under the connecting piece. Two feeding holes are formed, the feeding holes comprise the inner feeding hole and the outer feeding hole, and the inner feeding hole and the outer feeding hole are both formed in the upper surface of the connecting piece. The receiving plate is placed under a nozzle body and is connected with the high-voltage electrostatic generator. The valve type microfluidic bi-component electrostatic spinning nozzle is simple in structure, capable of achieving the micro-control of flow and preparing composite fibers of different component proportions, and not prone to being plugged. According to the production demand, the fibers of different dimensions are prepared by adjusting seam distances and technological parameters, the application range is wide, and the yield can be improved by changing the number of nozzles or the nozzle modes.

The invention discloses a front-mounted anti-blocking filter tank for treating chemical wastewater. The front-mounted anti-blocking filter tank comprises a filter tank body, wherein a water inlet pipe is arranged at the left side of the filter tank body; a water outlet pipe is arranged at the right side of the filter tank body; two filter screens are arranged in the filter tank body along the left-right direction at intervals; a flat scrape is arranged between the filter screens; a turning scraper is arranged below the flat scrape; the flat scrape and the turning scraper are connected to an electric telescopic rod; the electric telescopic rod is connected with a second motor; a second tap hole is formed in the lower part of the filter tank body between the filter screens. The front-mounted anti-blocking filter tank disclosed by the invention is simple and reasonable in structural design, and is good in filtering effect by double filtering; silt attached to the inside of the water inlet pipe and the filter screens can be automatically cleaned without shutdown, the production efficiency is improved, and the service life is prolonged.

The invention discloses a laboratory paper sheet making machine, and belongs to the field of paper making experimental equipment. The laboratory paper sheet making machine comprises a transmission device, a swing arm, an air cylinder and a pulp storage tank, the bottom of the pulp storage tank is connected with a buffer tank in a sealed mode, and a manual opening device is arranged. A lower filter device is arranged at the position, closely attached to the bottom of the pulp storage tank, in the buffer tank, the bottom of the buffer tank is connected with a white water tank through a pipeline with a bottom regulating valve, and an upper filter device capable of moving along the inner wall of the pulp storage tank is arranged in the pulp storage tank. A plurality of air blowing holes are evenly formed in the bottom of the pulp storage tank, and are connected with an air blowing pipe. The transmission device is connected with the swing arm, the air cylinder is fixed to the swing arm, and a piston rod of the air cylinder is connected with the upper filter device. According to the laboratory paper sheet making machine, single-face dehydration and double-face dehydration of the laboratory paper sheet making machine can be achieved, the distribution condition of fine fibers and fillers in the paper thickness direction of top mesh forming and clamping mesh forming is simulated well, the structure is simple, manufacturing cost is low, use is convenient, and the laboratory paper sheet making machine has good use prospects.

The invention discloses a sewage treatment and recycling device in a car washing shop. The device comprises a car washing table, an underground space is arranged below the car washing table, and a sewage collecting mechanism is arranged on the car washing table; the sewage collecting mechanism is provided with an inclined ramp, a water leakage port, a conical water inlet pipe, a sewage collecting tank, a water inlet, a water inlet pipe, a partition plate, a water seepage hole and an impurity filtering net; a water inlet mechanism is arranged in the sewage collecting tank, and the water inlet mechanism is provided with a first liquid level sensor, a water suction pump, a water purification tank, a water pumping pipe and a sewage treatment mechanism; one side of the sewage collecting tank is provided with an impurity collecting mechanism, and the impurity collecting mechanism is provided with an impurity collecting tank, a water discharging pipe, a second one-way valve, an electric valve, a circulating water pump, a circulating water pipe and a distillation mechanism; an operation table is arranged on one side of the car washing table, and a controller is arranged on the operation table. The device has the advantages of being simple in structure and high in practicability.

The invention discloses a pavement drainage structure. According to the technical scheme, the pavement drainage structure is characterized in that a protection cover is arranged at a wellhead of eachdrainage well, water leaking holes are formed in the protection cover, drainage pipelines are connected on side walls of the drainage well, a filter part is arranged in the connected position of eachdrainage pipeline and the drainage well, and a guiding mechanism for guiding rainwater to the drainage pipelines is arranged in the drainage well and can transfer garbage filtered out by the filter parts, so that the filter parts cannot be blocked by the garbage. The pavement drainage structure has functions of low probability of blockage and stable drainage efficiency.

The invention discloses a PP (Polypropylene) plastic injection molding machine. The PP plastic injection molding machine comprises a feeding device, a machine barrel, a screw rod, a base, a motor, a metering device and a machine head, wherein the feeding device comprises a stirring barrel and a feeding hopper; the stirring barrel is internally provided with a stirring device; an extruding screw rod is connected with the motor; the extruding screw rod comprises a core shaft, a locking nut, a flat gasket, a double-screw outer sleeve and a positioning key; double screws with the same lead are arranged outside the double-screw outer sleeve; a melt pump is arranged at a discharging end of the machine barrel; a filtering plate is arranged between the machine barrel and the melt pump; the melt pump is connected with the machine head; the metering device is arranged between the melt pump and the machine head; the machine head comprises a sleeve; a steel pipe, which is concentric with the sleeve, is arranged in the sleeve; an outer mold for extruding a material is arranged at one end of the sleeve; the steel pipe penetrates through the sleeve and the outer mold; a module sleeves outside a pipe body, located in the sleeve, of the steel pipe. The PP plastic injection molding machine is not easily blocked and the transferring amount of the injection molding machine is improved; the production efficiency is improved and the weight of a finished product can be accurately controlled.

The invention relates to a water-based varnish with good resolubility and high water scrubbing resistance and a preparation method therefor. The water-based varnish comprises the following ingredients, by weight, 30-50 parts of water-based acrylic emulsion, 5-30 parts of water-based alkali-soluble type acrylic resins, 10-20 parts of deionized water, 10-30 parts of ethanol, 0.5-8 parts of neutralizers, 5-15 parts of hydrophobic agents, 1-5 parts of water-based wax slurry, and 0.1-0.4 part of auxiliary agents. During preparation, part of deionized water is taken and mixed with water-based alkali-soluble type acrylic resins and neutralizers, the mixture is heated up to the temperature of 60-70 DEG C, and an acrylic ester aqueous solution is obtained; the acrylic ester aqueous solution, water-based acrylic emulsion, ethanol, hydrophobic agents, water-based wax slurry and the rest of deionized water are put into a reactor, and stirred uniformly at a low speed; then auxiliary agents are added, the above mixture is stirred at a high speed, and a water-based varnish is obtained. The water-based varnish has good resolubility during coating usage, does not block plates, can achieve high water scrubbing resistance after film forming, and well solves the problem of contradiction of resolubility and water scrubbing resistance after film forming of a varnish.

The invention discloses a gas distributor for gas-liquid dispersion, which can efficiently disperse gas into liquid. The gas distributor comprises a gas distribution chamber, a gas outflow element arranged on a shell of the gas distribution chamber, and a guide flow cylinder which is arranged in the gas distribution chamber and communicated with a gas inlet pipe, wherein the gas distribution chamber is in the conventional shape or in an apple-shaped bottom structured spherical shape, oblate spheroid shape or flying saucer shape; a longitudinal section of the guide flow cylinder is in a hyperbolic shape or a cylindrical shape; and the gas outflow element is a spiral nozzle, a kerf conical nozzle, a straight pipe or conical pipe with a built-in spinning disk, a jet mixer or a micropore blind pipe. The gas distributor has the advantages of good dispersion effect, less possibility of blockage, high suitability for liquid materials and simple structure.

A process for desulfurizing flue gas of the boiler in steam-power plant is characterized by that after dusted the flue gas is blown into desulfurizing tower, where it reacts with the absorption liquid sprayed by circulating pump from tank into said tower to produce CaSO3.1/2H2O liquid, the air is filled by aerator into said CaSO3.1/2H2O liquid for oxidizing it to obtain gypsum crystal to be discharged, and the resultant flue gas is demisted for exhausting it via chimney. Its advantages are no secondary pollution, and high effect.

The invention discloses a feeding conveying system and method for melting reduction furnace. The system comprises a hot ore bin (1), an intermediate tank (2), a blowing tank (3), a spiral feeder (4),a quick lime powder bin (5), a rotary feeder (6), a dry coal bin (7) and a conveying pipeline (8), wherein an outlet of the hot ore bin (1) is connected to the conveying pipeline (8) through the intermediate tank (2), the blowing tank (3) and the spiral feeder (4) in sequence, an outlet of the quick lime powder bin (5) is connected to the conveying pipeline (8) through the intermediate tank (2), the blowing tank (3) and the rotary feeder (6) in sequence, and an outlet of the dry coal bin (7) sequentially passes through the intermediate tank (2), the blowing tank (3) and the rotary feeder (6) so as to be connected to the conveying pipeline (8).

The invention discloses a turbine-driven circumferential sliding sleeve type pulse generation tool. The turbine-driven circumferential sliding sleeve type pulse generation tool comprises a shell, a turbine mechanism, a transmission mechanism, a frequency modulation mechanism, a pressurization mechanism and a check valve, wherein a pulse perforation is formed in the side wall of the shell; the turbine mechanism comprises a turbofan, and the turbofan comprises blades; the transmission mechanism comprises a driving sleeve, a frequency modulation gear body and a driven sleeve, the driving sleeve is arranged in a lower cavity and is coaxially arranged with the shell, the driving sleeve is rotationally connected with the shell, one end of the driving sleeve is fixedly connected with the blades,the frequency modulation gear body is connected with the driving sleeve, and the driven sleeve is connected with the frequency modulation gear body; and the check valve is arranged in the cavity and is used for preventing high-pressure fluid from flowing back. According to the technical scheme, the turbine-driven circumferential sliding sleeve type pulse generation tool has the beneficial effectsthat the frequency modulation gear body is adopted to adjust the hydraulic pulse frequency, hydraulic pressurization is realized through a mechanical spring, moreover, turbine driving is adopted, a tool flow passing channel is not prone to being blocked, and the complete reliability is good.

The invention discloses waste catalyst mud water dehydration treatment equipment and a waste catalyst mud water dehydration treatment method, and belongs to the technical field of solid-liquid separation in environmental engineering. The equipment comprises a sludge conveyer device, a complexing agent feeding device, a flocculating agent feeding device and a coiled dehydration device. The technique method comprises the following steps: conveying waste catalyst mud water; adding a complexing agent and a flocculating agent; and carrying out mixing reaction, and coiled dehydration. The moisture content of the waste catalyst mud water can be reduced to about 50% from 99.5% once by only adding the compounded medicine and combining with a coiled dehydration manner. According to the technique and the equipment, deep dehydration is carried out on the waste catalyst mud water; the treatment cost of the sewage is reduced; and a good way is provided for reduction treatment of a waste catalyst. Compared with an existing dehydration technology of combining filtration with a vacuum belt dehydrator, the technology is not easy to block, small in floor area, simple to operate, high in automatic degree and low in operation cost, and does not generate secondary pollution.

The invention relates to a well cleanup device, wherein, an upper joint is connected with a lower joint; a spring is arranged on the upper joint; a ball is arranged on the lower end of the spring and inside a ball seat; a gasket is arranged on the lower end of the ball seat; a plug is arranged on the lower end of the gasket and connected with a screen cap. The invention is a well cleanup device which is difficult to clog.

The invention discloses an automatic liquid level control system for a sugarcane juice steaming tank. A liquid sensor, a temperature sensor and a steam pressure sensor are arranged in the steaming tank; a sugarcane-juice brix sensor is mounted on an attached device of the steaming tank; cameras are mounted beside a liquid level meter of the steaming tank, a sugarcane juice input pump, an output pump and a steam inlet valve; a computer, a PLC (programmable logic controller) and video monitoring equipment are mounted in a center operation control room; various sensors are used for transmitting data of sugarcane juice level, brix, temperature and steam pressure in the steaming tank to the computer of the center operation control room, the computer is used for converting the data into output signals and sending the output signals to a memory of the PLC, a central processing unit is used for judging and processing the input signals according to a preset program in the memory, and the PLC is used for controlling quantity of heating steam which enters the steaming tank from a sugarcane juice feeding valve; the PLC is further used for transmitting real-time brix value, pressure value and liquid level of syrup to a man-machine interface for displaying, and an operator programs the PLC to control the whole device.