51results about How to "Increase manpower and material resources" patented technology

The invention relates to an intelligent self-service shopping system and method for a supermarket. The system comprises an ultrahigh-frequency RFID reading-writing device, an ultrahigh-frequency RFID tag, a two-dimensional code, a smart phone, and a background server. The RFID tag and the two-dimensional code are pasted on the surface of a commodity simultaneously. In addition, the self-service shopping method using the system includes: a customer uses an application program installed at the smart phone for scanning two-dimensional codes installed at the surface of commodities, obtains the commodity information from the server, carries out selective purchasing, and then uses the smart phone for self-service payment for purchasing. When the customer passes the exit of the supermarket with the commodities, the RFID reading-writing device and the server that are arranged at the exit check whether the commodities have been paid simultaneously and a commodity list is displayed at a display device integrated with the reading-writing device simultaneously. If all the commodities have been paid, the customer is allowed to pass the exit; and otherwise, alarming is carried out. Therefore, the shopping efficiency of the customer can be improved; time for searching for commodities and queuing up for payment is saved; no professional shopping terminal is needed; and thus the manpower and materials are saved for the supermarket.

The invention discloses a method for evaluating an arterial green wave coordination effect based on a mobile terminal, and the method can output evaluation indexes on line in real time by adopting a green wave coordination effect evaluation algorithm and utilizing the intelligent mobile terminal. The method can obtain single-vehicle traveling data in real time through the intelligent terminal and realize real-time online evaluation of a green wave coordination effect of a single-vehicle test road segment in combination with a data processing algorithm and the green wave coordination control evaluation algorithm, and meanwhile, the evaluation method mainly has two evaluation modes which are drawing of a trajectory space-time diagram and output of the evaluation indexes respectively. Compared with existing common methods such as a manual research method, a single-vehicle test method, a floating vehicle method and the like, the method for evaluating the arterial green wave coordination effect based on the mobile terminal has the advantages of low manpower and material resource consumption, capability of giving out the effect evaluation indexes and optimization suggestions on line in real time, and the like, thereby having very high practicality and a wide application prospect.

The invention discloses a pomegranate tree cultivation method which specifically comprises the following steps: (1) land selection and preparation; (2) water and fertilizer management; (3) control of diseases and pests; and (4) picking of mature pomegranate. In the pomegranate tree cultivation method disclosed by the invention, the survival rate of pomegranate seedlings is increased by 11-13%, the seedlings grow vigorously, the flowering and fruit bearing are promoted, the color is bright, the yield is increased by 17-19%, the nutrition is balanced, and the pomegranate is rich in proteins, zinc and selenium while the nutrition and health function are enhanced; inorganic and organic fertilizers are supplemented in the whole process, the nutrition needs of pomegranate trees are strictly followed, the fertilizer utilization rate is increased, and the planting cost is saved; the waste generated in the pomegranate planting process is adopted as a raw material, active ingredients are extracted for pest resistance and sterilization, the waste is turned into wealth, the resistance rate against diseases and pests is high, the fruits contain zero pesticide residue, and the quality is high; and after the pomegranate is harvested in autumn, crops are interplanted, the land utilization rate is increased by 42-44%, the weed growth is inhibited, the human and material resources are saved, and the economic income of fruit farmers is increased.

The invention discloses a vertical shaft main shaft vibration detection method based on a finite element analysis method. According to the special structure of a vertical shaft hoist, an integrated vibration transmitter is adopted to detect data of the vibration frequency amplitude of a hoist main shaft, the transmitter is adopted to convert a vibration signal to a 4-20MA analog signal to be transmitted to a field S7-300PLC, then after processing through the PLC, an RS485 bus is adopted to convert the processed signal to a TCP / IP Ethernet signal which can be recognized on a PC through a CP343-1LEAN bus converter, the signal is further transmitted to an upper computer located inside a monitoring room through an underground ring network, received by Kingview software in the upper computer and then transmitted to a finite element algorithm model with built-in MATLAB software, relatively accurate early warning of a future development tread is obtained through calculation, data are displayed on the upper computer in real time, and safe operation of the hoist is monitored in real time through a PC of the monitoring room, so that safety and stability of coalmine production are ensured. The vertical shaft main shaft vibration detection method based on the finite element analysis method starts from safety of the vertical shaft hoist, in combination with the actual situation of daily running, and makes full use of the advantages of the finite element algorithm to predict the running state of the hoist, so as to realize timely warning and repair when an accident does not happen, and thus ensure the safety of underground workers.

The invention mainly relates to the technical field of fruit tree planting, and discloses a planting method of selenium-rich carya illinoensis. The method comprises the steps of stock selection, scion selection, grafting treatment, management after grafting, winter top-dressing and fructescence fertilization spraying. Through the simple method, the selenium content of ripe carya illinoensis reaches 16.72 microgram / 100 g, the shell thickness is reduced by 28.6%, which makes it easy to eat by removing shells, and thus the sales volume of the ripe carya illinoensis is increased by 14.8%, and the economic income of farmer households is remarkably increased; ginkgo seedlings which are 2-3 years old are selected as stocks, the main stems are thick, so many nutrients are accumulated, the stocks are prepared after leaves fall in autumn, and are wrapped with nonwovens soaked with chitosan to promote wound healing and avoid germs breeding caused by too much tree flow at big wounds after grafting, scions are promoted to survive, and thus the survival rate reaches 98%, and the manpower and material resources are saved greatly.

The invention discloses a cleaning machine for bean sprouts. The cleaning machine comprises a support frame. Each of two sides of the lower surface of the support frame is provided with a support leg, an outer shell is arranged on the upper surface of the support frame, each of two ends of the support frame is provided with a rotating shaft, one side of one support leg is provided with a first motor, an output shaft of the first motor is connected with the rotating shaft through a belt, a first filter screen is arranged on the outer side of the rotating shaft, a feed tube is arranged on one side of the outer shell while a discharge tube is arranged on the other side of the outer shell, and a collecting box is connected to the lower side of the discharge tube through a discharge pipe. By the arrangement, the bean sprouts can be washed more clearly, consumption and storage of the bean sprouts are unaffected, attractiveness and cleanliness of the bean sprouts are improved, cleaning of the bean sprouts in batch can be achieved, manpower and materials can be saved, production efficiency and working efficiency are improved, dropping out of bean sauce and other impurities filtered out can be avoided, and sanitation influence by falling of the impurities can be avoided.

The invention discloses an environment-friendly oilfield sewage treatment device. The device comprises a liquid inlet pipe, the right side of the liquid inlet pipe is fixedly connected with a first treatment device; an oil removal device is fixedly connected to the top end of the right side of the first treatment device; the bottom end of the first treatment device is connected with a fifth connecting pipe through a sixth connecting pipe; the right side of the first treatment device is connected with a reaction device through a first connecting pipe, a water pump is installed in the first connecting pipe, the inner wall of the top end of the reaction device is fixedly connected with a connecting device, the right side of the reaction device is connected with a sedimentation tank through asecond treatment device, and the bottom end of the sedimentation tank is fixedly connected with a vertical connecting pipe. Due to the arrangement of the second connecting pipe and a third connectingpipe, the sewage treatment modes are diversified, the sewage treatment effect is greatly improved through multiple treatment methods, the water treatment efficiency is greatly improved, the water quality is greatly improved, the floating oil removal effect is good through repeated use of oil absorption cloth, and sludge treatment is more thorough.

The invention discloses an efficient cleaning and etching composite assembly line for stainless steel machining. The efficient cleaning and etching composite assembly line comprises an assembly line base (100), a conveying belt (110), a conveying robot (120), a cleaning module (130), a drying module (140), a laser etching module (150), a polishing module (160), a feeding table (200) and a discharging table (300); and the conveying robot (120) comprises a control base (121), a transverse beam (122), a slide block (123), a telescopic arm (124) and an electromagnetic chuck (125). According to theefficient cleaning and etching composite assembly line, technologies of cleaning, etching and polishing of a stainless steel plate are integrated into one assembly line, the production efficiency ishigh, and manpower and material resources are saved.

The invention discloses a reinforced concrete roof pouring technique and its special vacuum pipe, its pouring method: a, using wood board and steel plate to put up top mould; b, lay reinforced bars in turn and in parallel on the top mould; c, pour concrete to submerge the reinforced bars; d, lay vacuum pipes on the concrete layer in the same direction to the reinforced bars', where each vacuum pipe is between and above two reinforced bard above; e, pour concrete to the designed thickness; f, vibrate tightly the concrete by plate vibrator, plaster and calendar. It adds heat -protection and -insulation performances to the roof, eliminates the pouring and laying of the concrete layer on the top layer of the roof to reduce the dead weight of the roof, combined with the support decompression function of the vacuum pipe on the roof, obviously reduces subsidence degree and crack coefficient of the roof, enhances the quality of the roof and reduces the construction cost of the roof by 20 % above.

The invention relates to a method for treating high-concentration ammonia nitrogen wastewater by a autotrophic denitrification process, and belongs to the technical field of wastewater treatment and recycling. The method is characterized by being a completely autotrophic biological denitrification process based on nitrite, wherein by virtue of the action of ammonia oxidizing bacteria (AOB), ammonia is oxidized into nitrite; and by virtue of the action of anaerobic ammonia oxidation bacteria (AAOB), the residual ammonia and nitrite are converted into nitrogen gas. According to the method, a biological fluidized bed filler is added into a CANON tank, so that the ammonia nitrogen treatment load is improved, and therefore, the method is an efficient and energy-saving ammonia nitrogen wastewater treatment process. Active sludge can be recycled, so that the method has remarkable environmental benefits and economic benefits.

The invention belongs to the technical field of power transmission equipment and discloses a circular concrete pole production line and a production process thereof. The design is scientific and reasonable, calibration control over a steel bar framework is conducted through pre-pretension, the dimension accuracy of the steel bar framework of a concrete pole is ensured, and thus the high quality and stability of the concrete pole are ensured; concrete distribution is conducted automatically through a concrete pumping unit and a weight metering system, concrete distribution accuracy is ensured,waste is avoided, and manpower and material resources are saved; besides, a great number of automatic production facilities are adopted, the degree of automation of the concrete pole production line is greatly increased, the labor intensity of workers is relieved, the safety risk is reduced, and the production efficiency and production quality are improved; and furthermore, by arranging a plurality of production lines for poles of different lengths, accurate production is conducted, resource waste is avoided, energy saving and environment friendliness are achieved, and the production cost is reduced.

The invention relates to a hot-dip-galvanized steel welding, manufacturing and machining process. The hot-dip-galvanized steel welding, manufacturing and machining process adopts a bottom plate, a bearing device, clamping devices, transmission devices and a welding device main body, wherein the bearing device is installed at the upper end of the bottom plate, the clamping devices are symmetricallyarranged at the upper end of the bearing device, the clamping devices are connected with the bearing device in a sliding fit mode, and the transmission devices are connected to the outer sides of theclamping devices. According to the hot-dip-galvanized steel welding, manufacturing and machining process, the difficulties that the welding cost is increased when C-shaped steel materials with different sizes are welded because the C-shaped steel with different sizes cannot be welded on the same device when existing equipment conducts movable welding on the C-shaped steel, the phenomenon of missing welding is prone to occur since the C-shaped steel cannot be welded from two sides at the same time, the firmness of welding is reduced, automatic feeding and discharging functions cannot be achieved, the production steps are increased, manpower and material resources are increased and the welding efficiency is reduced are solved.

The invention belongs to the technical field of transformer protection in an electric power transport system, and relates to a back-up protection and control technology of an automatic switching type transformer, in particular to a method for controlling operation of the automatic switching type transformer, which comprises the following steps of: first, selecting an existing electric power transport system comprising hardware and software, adding a device provided with the automatic switching type transformer and functions, and connecting four groups of circuit breaker into the electric power transport system according to principles of electricity; and then connecting two transformers in the electric power transport system into the electric power transport system according to the principles of electricity, sampling a voltage value and a current value of each transformer, judging whether switching is carried out or not, respectively controlling the operation of each circuit breaker according to software control logic relation, and controlling the switching of the transformers. The method provided by the invention has simple control principles, and is safe and reliable, the automatic switching performance is good, the manpower and material resources are saved, the energy consumption is reduced, and the service life of the transformer is prolonged.

The invention discloses a gynecological hip-bath treatment device. The device comprises a bath tub. Volume tick marks are arranged in the bath tub. A spray nozzle is arranged at the bottom of the bath tub, and is connected with an air pressure ball through a silica gel pipe. The silica gel pipe is buckled in a pipe groove. Handles are arranged at two sides of the bath tub. The lower portion of the handles are connected with a main body device through support racks. A leg cushion is arranged at the front side of the bath tub. A foot massage basin is arranged at the right side of the leg cushion. Foot pads are arranged in the foot massage basin. A lock-stop wheel is arranged at the lower side of the foot massage basin. A support cushion is arranged at the left end of the bath tub. A pillow cushion is arranged at the upper portion of the support pad. A heating button, a temperature control button and a water discharge button are sequentially arranged on the support cushion. The lower side of the bath tub is connected with a water discharge pipe. According to the gynecological bath treatment device, the heating device, temperature control device and water discharge device are arranged, the automation level is high, the water temperature can be maintained to prolong the hip-bathing duration and temperature, the water discharge is convenient. A user can enjoy the hip-bathing treatment and foot massage with no side effects.

The invention relates to an outdoor decoration Zisha coating material for building, and a preparation method thereof, particularly to a building coating material and a preparation method thereof, wherein the building coating material comprises, by weight, 7.0% of a dispersion water, 0.2% of a thickener EBS-481F, 0.1% of a PH value regulator RF-86, 1.0% of a cosolvent ethylene glycol, 0.8% of a film forming aid TEXANOL, 0.5% of a dispersant RT-8027, 0.1% of a fungicide 623, 13.7% of a lacquer emulsion PX-7015, the material obtained by diluting 0.1% of a thickener 730 with 0.5% of water, 20-40% of Zisha clay with a particle size of 80-120 mesh, 10-30% of Zisha clay with a particle size of 40-80 mesh, 5.0-7.5% of Zisha clay with a particle size of 20-40 mesh, and 1.0% of a waterproof agent R-75. The preparation method comprises: breaking Zisha ore, firing, crushing, screening to achieve a particle size of 80-325 mesh, and mixing to obtain the product. According to the present invention, the prepared Zisha coating material has significant comprehensive effects, particularly such as air purification, formaldehyde removing, external body thermal insulation enhancing, ultraviolet radiation preventing, natural color achieving, wall crack preventing.

The invention provides a glue cutting device for cutting glue materials by using gear rotation. The glue cutting device comprises a machine frame, a transmission device and a driving wheel, wherein the transmission device is fixedly arranged on the machine frame, the driving wheel is connected with the transmission device through a belt, one end of the driving wheel is fixedly arranged on the machine frame, the other end of the driving wheel is connected with a motor, the transmission device comprises a transmission wheel and a rotating bearing connected with the transmission wheel, the glue cutting device also comprises a rotating shaft connected with the rotating bearing, and a gear connected with one end of the rotating shaft. The glue cutting device has the advantages that the driving wheel drives the transmission wheel to rotate through the belt, the transmission wheel rotates for driving the gear to rotate at a high speed, the gear fast cuts the glue materials during high-speed rotation, and the cutting quality of the glue materials is ensured.

The invention relates to a shaping technology for a tea cake manufactured by tea. The shaping technology comprises a bottom plate, a supporting device, a pressure applying device, a pressing device, amaterial loading device and a clamping device, wherein the upper end of a bottom plate is provided with the supporting device; the upper end of the supporting device is provided with the pressure applying device; and the pressing device is arranged below the pressure applying device and is installed on the supporting device. The shaping technology can be used for solving the problems that when existing equipment processes the tea cake manufactured by the tea, after the tea cake finishes being pressed, a phenomenon that the tea cake is tightly pressed to cause that the tea cake is clamped andcan not be taken out or the tea cake is broken or is incomplete since excessively large force is applied in a process of taking out the tea cake is likely to happen, so that the tea cake fails to be pressed, tea cake pressing cost is increased, meanwhile, after the tea cake finishes being pressed, a plurality of tea cakes can not be simultaneously pressed and shaped, a process of taking out the tea cake is complex after pressing is finished, so that working efficiency for tea cake pressing is lowered, manpower and material resources are increased and the like.

The invention provides a weeding composition containing pyroxasulfone and aclonifen. The effective components of the weeding composition include the pyroxasulfone and the aclonifen, and the weight ratio of the pyroxasulfone to the aclonifen is 1:10 to 10:1. The weeding composition is prevented for preventing and controlling annual grassy weeds, namely wheat field weeds such as bromegrass and aegilops squarrosa. It is shown through a pharmacodynamic test that the weed preventing effect is improved by utilizing the complementarity of the active components of the composition, the shortcomings during single use of a weeding agent is overcome, the delaying of weed resistance is promoted, and the composition is safe to wheat crops and has a better application prospect.

The present invention proposes biological treating method of railway pollution, and green plant is utilized in degrading pollutant from train to the railway. Plant is cultivated in container with nutritive medium and the container is set on railway to collect the pollutant. In the container, the pollutant is absorbed and degraded during plant growth. During maintaining the railway bed, the green container is taken out the railway.

The invention relates to a packaging material polyethylene foamed plastic circular cutting machine, which comprises a bottom plate, a circular cutting device, a conveying device and a collecting device, wherein the circular cutting device is installed at the upper end of the bottom plate; the conveying device is arranged below the circular cutting device; and the conveying device is installed on the bottom plate. The problems that when the existing equipment performs circular cutting on the polyethylene foamed plastic, the foamed plastic cannot be pressed in the case of circular cutting, the phenomenon of deformation or irregular shape after circular cutting is easy to occur, material waste is thus caused, manpower and material resources are increased, the foamed plastic cannot be subjected to edge pressing treatment, the foamed plastic is prone to falling off, wrinkling and the like during circular cutting, the cutting success rate and the cutting efficiency are thus reduced, meanwhile, when the circular-cut foamed plastic is collected, the foamed plastic gets stuck easily, scraps remaining on the foamed plastic cannot be removed, and therefore the collecting efficiency is reducedare solved.

The invention relates to the technical field of pulp molding production, and in particular relates to a device for stress elimination of paper plastic products, the device for stress elimination of the paper plastic products comprises a conveyor for conveying the formed paper plastic products to a next process, and a spray humidification zone for spraying and humidifying the paper plastic products, a heating zone for heating the paper plastic products, and a cooling zone for natural cooling of the paper plastic products are in turn arranged on the conveyor along the transportation direction ofthe paper plastic products. The invention also relates to a method for stress elimination of the paper plastic products, the method for stress elimination of the paper plastic products is mainly as follows: the conveyor conveys the formed paper plastic products to the next process, and allows the paper plastic products to in turn to be sprayed and humidified in the spray humidification zone, heated and dried in the heating zone and naturally cooled in the cooling zone during transportation to eliminate the stress of the paper-plastic products so as to directly enter the paper-plastic productsto the next process. The products can be continuously produced, and the production efficiency and the output of the products are improved.

The invention discloses a primer for genetically modified alfalfa J163 strain specificity qualitative PCR (Polymerase Chain Reaction) detection and a genetically modified alfalfa J163 strain specificity qualitative PCR detection method. According to the invention, a pair of specific primers are firstly designed and provided according to an adjacent area positioned between the 5'end exogenous insertion element P-eFMV of a genome DNA sequence and alfalfa genome DNA aiming at a genetically modified alfalfa J163 strain without an agriculture genetically modified organism safety certificate issued by the national department of agriculture, and a qualitative PCR detection system is successfully established. A result shows that the qualitative PCR detection method disclosed by the invention has good specificity and is suitable for fast and stable qualitative detection of the J163 strain, and detected lowest DNA concentration is 80 pg and is equivalent to genome DNA of 50 copies.

The invention relates to an automatic manure removal device which comprises a power mechanism; the power mechanism comprises a fixing frame, a motor, a direction-change button, a thread spool, a speed reduction mechanism, a driving shaft, a driven shaft and a conveying belt, the thread spool is provided with thread grooves, the thread grooves are connected with a traction rope, and the traction rope is connected with four auxiliary wheels and a manure removal device body at a minimum. The manure removal device body comprises a scrapping plate, a U-shaped supporting frame, fixed rotation pieces, a rotation rod, auxiliary rods, first supporting rods, a thread guide opening, a fixing device, a first rope fixing device, a fixing rod, second supporting rods and a second rope fixing device. The automatic manure removal device has the advantages that the device is simple and stable in structure, low in manufacturing cost, practical in function and convenient to operate, safety and practicability are improved, and work efficiency is improved.

The invention provides a fixing buckling tile of a tube push bench. The fixing buckling tile is designed into a single fixing buckling tile from an original three-piece split-type buckling tile. A support body composed of a left buckling tile support and a right buckling tile support serves as a main supporting part. The lower left tangent plane of the fixing buckling tile is connected to the left supporting face of a left positioning platform in a lap joint mode, the lower right tangent plane of the fixing buckling tile is connected to the right supporting face of a right positioning platform in a lap joint mode, and the fixing buckling tile is limited by the left oblique plane and the right oblique plane of the fixing buckling tile and the contact faces of the right platform edge of the left positioning platform and the left platform edge of the right positioning platform and cannot rotate. The fixing buckling tile is pressed tightly through an upper buckling tile support and bolts and nuts of the left buckling tile support and the right buckling tile support.

The invention belongs to the technical field of expansion joints, and particularly relates to a composite bridge expansion joint device. The device structurally comprises L-shaped steel symmetricallyarranged in beam bodies on the two sides of the expansion joint. A flat plate of the L-shaped steel is combined with a pressing plate on the L-shaped steel to seal and fix a lug belt on the side edgeof a water stop belt, a fastening bolt penetrates through the pressing plate, the lug belt and the flat plate and locks the pressing plate on the flat plate through a first limiting mechanism, and anelastic sealing gasket is arranged between the pressing plate and the lug belt and / or between the lug belt and the flat plate. A vertical plate of the L-shaped steel is attached to the side wall of the reserved notch of the beam body, and the outer side of the vertical plate is connected with an anchoring steel bar through a second limiting mechanism. The composite bridge expansion joint device can be used for quickly mounting and positioning the water stop belt, is convenient for anchoring, mounting and dismounting the cavity, and has the characteristics of firm connection, strict sealing andlong service life.

The invention discloses qualitative PCR (polymerase chain reaction) detection primers and a detection method for specificity of a transgenic alfalfa J101 strain. A pair of specific primers is designed and provided for the first time and a qualitative PCR detection system is successfully established according to an adjacent area between a 5'-end exogenous insert fragment P-eFMV of a genome DNA sequence of the transgenic alfalfa strain J101 which is not issued with an agricultural transgene bio-safety certificate by the agriculture department of China and an alfalfa genome DNA. Results show that the qualitative PCR detection method disclosed by the invention has good specificity; the detected lowest DNA concentration is 80pg, which is equivalent to genome DNA of 50 copies; and the detection method is suitable for quick and stable qualitative detection of the J101 strain.

The invention relates to a hollow plate cutting method. The hollow plate cutting method comprises a bottom plate, fixing devices and a cutting device. The fixing devices are symmetrically arranged atthe upper end of the bottom plate and are mounted on the bottom plate. The cutting device is arranged between the two fixing devices. The cutting device is connected with the bottom plate in a slidingfit mode. The hollow plate cutting method can solve the problems that when existing equipment is used for cutting a hollow plate, cracking, breaking and other phenomena of the hollow plate are easy to occur at a cutting position, so that the cutting failure of the hollow plate is caused, the cutting efficiency is reduced, and manpower and material resources are increased; meanwhile, after the hollow plate is cut through the existing equipment, burrs, protrusions and other phenomena happen easily at a cutting position of the hollow plate, and therefore, the hollow plate is not tightly attachedto a placing point in the using process; and moreover, working staff can be easily damaged in the placing process, so that the utilization rate of the hollow plate is reduced.

The present invention provides one kind of sealed oil gas well joint, which includes one joint body, one coded lock core set on the joint body, one protecting sleeve in the lower part of the coded lock core, and one anti-theft protecting cover set inside the ring slot between the protecting sleeve and the coded lock core. The sealed oil gas well joint has one coded lock structure, capacity of preventing gas theft and intended damage, high operation efficiency and other advantages.

The invention is applicable to the technical field of oilfield exploitation, and provides an intermittent oil pumping unit. The intermittent oil pumping unit comprises an oil pumping unit body connected with an oil well pump; a sensor which is connected to the oil pumping unit body and used for sensing an operation signal of the oil pumping unit body; a brake piece which is connected with the oil pumping unit body and used for controlling the oil pumping unit to be separated; and a controller which is connected with the oil pumping unit body and the brake piece and used for controlling the oil pumping unit body to drive the oil well pump to work for oil pumping, wherein the controller is internally provided with a remote controller; and the remote controller is connected with the sensor, an indicator diagram is generated through a sensing signal of the sensor, the average fullness degree of the oil well pump and the equivalent liquid amount in unit time are calculated, circulating comparison is conducted, and oil pumping operation intermittent control is conducted. The intermittent oil pumping unit has the advantages of being simple in structure, convenient to operate, low in operation cost and convenient to control.

The present invention relates to a polyolefin composition, particularly to a polyolefin rotational molding composition, a preparation method and applications thereof, wherein the polyolefin rotationalmolding composition comprises, by weight, 70-90 parts of linear low-density polyethylene, 2.0-4.0 parts of rutile type titanium dioxide, 2.0-12.0 parts of anatase type titanium dioxide, 4.0-10.0 parts of active alumina, 1.0 part of a silane coupling agent, and 1.0-5.0 parts of polymethylsiloxane, wherein the linear low-density polyethylene has a density of 0.936-0.939 g / cm<3> and a melt mass flowrate of 6-12 g / 10 min. According to the present invention, with the polyolefin rotational molding composition, the problem of water pollution of the polyethylene water storage tank is solved, and thecondition that suspended matters and impurities in a water body are attached to the wall of the device to grow into moss and cause mildew can be effectively prevented. The invention further providesapplications of the polyolefin rotational molding composition, wherein the inner surface of the rotational molding product can be coated with the polyolefin rotational molding composition so as to prevent the moss in the water from the attached growth, such that the method is simple, and the effect is obvious.