37results about How to "Not adulterated" patented technology

The invention discloses a heat-pump water heater cold shielding system for protecting a compressor. The heat-pump water heater cold shielding system comprises the compressor, a condenser, a throttling device, an evaporator and a gas-liquid separator which are sequentially connected to form a circulation loop, the throttling device comprises a primary capillary tube and a secondary capillary tube which are parallelly connected, and a real-time flow control device is arranged at a liquid inlet end of the secondary capillary tube. Since the real-time flow control device is arranged at the liquid inlet end of the secondary capillary tube, refrigerant flow passing through the secondary capillary tube is adjusted in real time, appropriate amount of refrigerant flows into the evaporator to be evaporated sufficiently, gaseous refrigerant returned into the compressor is guaranteed not to be mixed with liquid, and influence on service life of the compressor from liquid impact is eliminated to the greatest extent. In addition, since the appropriate amount of the refrigerant participates into evaporation in the evaporator, the gaseous refrigerant returned into the compressor is guaranteed to be sufficient, system efficiency is prevented from being affected by the compressor due to insufficient refrigerant, and even affect on normal work of the compressor is avoided.

The invention provides an unpacking device and an unpacking feeding system, and relates to the technical field of unpacking and discharging. The unpacking device and the unpacking feeding system aim to solve the technical problem that an existing unpacking device needs to open bags by means of external driving components. The unpacking device comprises a sliding seat and a cutter assembly, whereinan inclined surface inclined relative to a horizontal plane is arranged on the upper surface of the sliding seat; the cutter assembly comprises blades; and the blades protrude from one side of the inclined surface and are used for scratching bags falling along the inclined surface. The unpacking feeding system comprises a conveying device, the unpacking device, a feeding dust removing device andan empty bag recycling device. The unpacking device and the unpacking feeding system are used for unpacking woven bags, kraft paper bags, composite bags and the like.

The invention relates to a two-stroke gasoline engine for controlling pre-burning scavenging by adding a clearance crankshaft valve in a scavenging channel, which has the advantages of energy conservation and emission reduction. The two-stroke gasoline engine is provided with an air valve device synchronized with a crankshaft, and a C-shaped ring (56a) of the crankshaft valve (56) is arranged on the crankshaft (57). The two side edges with a small segment of opening of the C-shaped ring of the crankshaft valve (56) is designed into oblique wedge rings (56b) with oblique angles. When the side edges with the oblique angles of the two side edges with the small segment of opening of the C-shaped ring rotate along with the crankshaft and the opening part, communicated with a crankcase, of the scavenging channel of a cylinder is closed, the effects of cutting airflow and reducing mutation impact are formed. The gap (56deltal) between the outer diameter of the outer circle of the C-shaped ring and the opening part, communicated with a crankcase, of the scavenging channel of the cylinder of the engine 1E34F is 0.01-0.06mm, and therefore the two-stroke gasoline engine for controlling pre-burning scavenging by adding the clearance crankshaft valve in the scavenging channel is formed.

A detection method of residue a nitrogen-containing pesticide based on infrared photoacoustic spectroscopy is as follows: (1). collecting infrared photoacoustic spectroscopy data of a sample, to be more specific, using an infrared photoacoustic spectroscopy instrument, selecting appropriate parameters such as moving mirror speed and scanning times, and collecting the infrared photoacoustic spectral data of the sample; (2). performing pre-processing including wavelet analysis for smoothing and noise reduction, data normalization, and the like on the infrared photoacoustic spectral data obtainedin the step (1) to obtain an infrared photoacoustic spectral curve of the sample to be tested; (3). performing analysis including characteristic peak position identification and principal componentanalysis on the spectrogram obtained in the step (2); and (4). analyzing results, to be more specific, by combining the molecular structure of a pesticide, analyzing the spectrogram obtained in the step (3), and determining the position of an infrared absorption peak of a specific functional group in the molecular structure of the pesticide to be tested; and comparing the sample and contrasting that whether an infrared absorption peak occurs at the position, finally determining the type of the pesticide residue. The method can realize rapid, non-destructive and in-situ detection of agricultural products, and can be quickly developed into rapid on-site detection.

The invention discloses a peanut fruit and root hair separating device and a working method thereof. The peanut fruit and root hair separating device includes a peanut beating mechanism, a peanut combing mechanism, and a storage bin; the peanut beating mechanism includes a roller shaft, a stepping motor, an impact rod, and a plurality of load-bearing rods, the stepping motor drives the roller shaft to reciprocate, a limiting bar is arranged between a pair of side walls of the storage bin, and a cushion pad is in contact with the limiting bar along with the impact bar; and the peanut combing mechanism includes a bracket structure, a fixed bottom plate, a sliding plate, a cam, a press sheet and a fixed motor, and the fixed motor drives the press sheet to intermittently clears residual peanuts. Through the automatic design, manual operation is reduced, and the separation efficiency of peanuts is high, omission nor damage to peanuts does not occur.

The invention relates to the technical field of packaging equipment, in particular to automatic packaging mechanical equipment. The automatic packaging mechanical equipment comprises a feeding devicefor conveying raw materials, a metering and distributing device and a packing device, wherein the feeding device comprises a rack and a conveyor belt; a first motor is arranged on the rack; a first belt is connected on the first motor; a plurality of bottom shells for containing raw materials are arranged on the conveyor belt; the conveyor belt is arranged at the upper end of the frame; the metering distributing device is equipped with an input end and an output end which is automatically opened under certain pressure; each of the input end and the output end is equipped with a conveying channel; the upper end area of the input end and the output end is greater than the lower end area of the input end and the output end; and the packing device comprises a base and rectangular support. According to the automatic packaging mechanical equipment disclosed by the invention, the feeding device, the metering and distributing device and the packing device are integrated, and the metering and distributing device, the feeding device and the packing device adopt a fully-automatic mode, so that automatic packaging is realized, labor intensity of a worker can be reduced while time is shortened,and production cost and labor are reduced.

The invention discloses a hot air heat exchanger of biomass combustion equipment. The hot air heat exchanger comprises a combustion chamber, a smoke box, heat exchange pipelines and air reversing boxes; a feeding hole and a smoke outlet are formed in the combustion chamber; a hot air chamber surrounds the outer wall of the combustion chamber, and a hot air inlet and a hot air outlet are formed inthe hot air chamber; the combustion chamber is connected with the smoke box, and smoke generated by the combustion chamber flows through the smoke box and is discharged through the smoke outlet of thesmoke box, the heat exchange pipelines penetrate through a smoke heat exchange pipeline from left to right and communicate with the air reversing boxes arranged on the left side and the right side ofthe heat exchange pipelines, and the heat exchange pipelines and cavities of the air reversing boxes form hot air channels; and air enters from an air inlet, flow to undergo heat exchange and then enters the hot air inlet of the hot air chamber. According to the hot air heat exchanger, the structure is compact and simplified, the heat exchange travel is additionally arranged, the heat exchange time is ensured to be long enough, the heat loss is reduced, the heat exchange efficiency is effectively improved, and the hot air is clean.

The invention discloses a seaside water quality sampling device, which comprises a fixed column, wherein a transmission cavity is formed in the fixed column, a through groove penetrating left and right is formed in the lower side of the transmission cavity of the fixed column, a test tube box is arranged in the through groove in a sliding mode, a transition shaft is rotatably mounted on the wall body between the transmission cavity and the through groove, and drainage grooves with downward openings are formed in the left side and the right side of the top wall of the penetrating groove with the transition shaft as the center correspondingly in a communicating mode. According to the invention, the structure is simple, the test tube box is fixed through the cover plate, and the through groove is sealed, so that the connection pipeline and the movable pipe are communicated so as to conveniently perform the water sample collection work, the lifting sealing plate is controlled to move through work of a face gear and a connecting half gear so as to control a water sample to enter and limit garbage movement, it is guaranteed that the water sample cannot be doped with garbage, fishes can be driven to get close at the same time, the movable pipe moves through work of an eccentric wheel, the water sample collection degree can be controlled, and water sample flooding in a material storagecavity due to excessive water sample collection is prevented.

The invention relates to energy saving and emission reduction, in particular to a two-stroke gasoline engine for arranging a pressure crankshaft for valve control over pre-burning scavenging gas in a scavenging channel. The two-stroke gasoline engine is characterized in that a valve device synchronous with the crankshaft is arranged, a C-shaped ring (56a) of a crankshaft valve (56) is arranged on the crankshaft (57), and pressure rings (56f) with oblique angles are arranged on the two side edges of a small segment of opening of the C-shaped ring of the crankshaft valve (56); when the side edges of logarithmic spirals, of the two side edges of the small segment of opening, of the pressure rings rotate along with the crankshaft, the effect that the logarithmic spirals with equal pressure corners affect the airflow and the buffering effect are achieved when an opening communicated with a crankshaft tank of the scavenging channel of an air cylinder is opened and closed; and a gap (56 delta) between the outer diameter of an outer circle of each pressure ring and the opening communicated with the crankshaft tank of the scavenging channel of the air cylinder of an engine 1E38F ranges from 0.02 millimeter to 0.08 millimeter, an thus the two-stroke gasoline engine for arranging the pressure crankshaft for valve control over the pre-burning scavenging gas in the scavenging channel is formed.

The invention belongs to the field of mineral exploration, and particularly relates to mineral exploration equipment. The equipment comprises a base; a mounting plate is fixedly connected to the outerside of the base, a damping rod is slidably connected to the interior of the mounting plate, a first spring is slidably connected to the outer side of the damping rod, and a wheel carrier is fixedlyconnected to the lower end of the damping rod; wheels are rotatably connected to the interiors of the wheel carriers, the upper ends of the first springs are fixedly connected with the lower end of the mounting plate, the lower ends of the first springs are fixedly connected with the upper ends of the wheel carriers, an explorer is fixedly connected to the upper end of the base, and a sampling boxis fixedly connected to the lower end of a rotating shaft of the explorer. By additionally arranging the damping rods, the springs, the wheels and other structures at the lower end of the base, the explorer can be pushed and can be conveniently moved, and by means of the hydraulic cylinder, the conical head and other structures at the lower end of the base, the hydraulic cylinder can extend intothe ground to quickly fix the explorer.

The invention relates to a sand separating and washing all-in-one machine. The machine comprises a vibrating screen box and a filtering assembly arranged in the vibrating screen box, wherein an upperfiltering piece and a lower filtering piece of the filtering assembly are each provided with a water outlet pipe, a water outlet pipe is arranged at a discharging port of the lower filtering piece, the upper filtering piece is provided with two or three water outlet pipes, and the upper and lower water outlet pipes are connected with a main water pipe through valves. According to the machine, 85%of fine particle materials in the total discharge amount can be recovered to the maximum extent, the device has incomparable technical and economic advantages compared with other equipment, fine particles are fully recovered, the problem of resource waste is solved, the workload of a sedimentation tank is reduced, the cleaning cost of the sedimentation tank is reduced, the fine material stacking time is shortened, and therefore the materials can be directly transferred and supplied to the market.

The invention provides a concrete surface brick forming device capable of achieving rapid mold replacement. The concrete surface brick forming device comprises a forming machine main machine, a brickconveying machine and a surface machine, wherein the brick conveying machine is fixedly arranged at the discharging end of the forming machine main machine and used for conveying formed concrete surface bricks, and the surface machine is movably arranged at the discharging end of the forming machine main machine and used for distributing surfaces into a mold frame of the forming machine main machine. The brick conveying machine is located below a surface supporting plate of the surface machine. The surface machine comprises a jacking receding mechanism which is fixedly arranged below the surface supporting plate and used for driving the surface supporting plate to ascend and descend. Mold moving mechanisms used for conveying molds from the interior of the forming machine main machine to the exterior or conveying the molds from the exterior to the interior of the forming machine main machine are arranged on the two sides of the brick conveying machine. The concrete surface brick formingdevice has the beneficial effects that the concrete surface bricks can be rapidly conveyed out, and the production efficiency is improved; the situation that the concrete surface bricks are scratcheddue to touch in the conveying process can be avoided, the quality of the concrete surface bricks can be better guaranteed, and the yield is increased; and meanwhile, rapid mold replacement is facilitated, and time and labor are saved.

The invention discloses a screening device for selenium-rich rice. The screening device for the selenium-rich rice structurally comprises a screening device body, a particle sieve device, an integrated sieve frame and a bottom sieve device, wherein the screening device body is mounted on the integrated sieve frame, and the screening device body is connected with the particle sieve device in an assembling mode. According to the screening device for the selenium-rich rice, left-right end distribution type screening and shaking of large-particle rice and small-particle rice are carried out at a top sieve plate during screening of the rice, large particles are processed and screened at the particle sieve device, small particles and impurities are screened on an undersize sieve device, and finally the impurities are divided into two parts and are screened and separated at an inner structure dust collector and the bottom sieve device correspondingly; and large-particle-shaking feeding type screening can effectively realize fine processing of the complete large particles, fine processing of the small particles and separation and screening of the impurities are separately achieved, so thatthe effective separation of the impurities such as empty shells, crushed straws, sandy soil, rice froth and grass seeds is achieved in a targeted manner, later processing and utilization of the impurities are facilitated, the screened rice is not doped with the impurities, and high-quality fine processing of the rice is realized.

The invention discloses a novel straight gear shaping device for gear machining. The novel straight gear shaping device comprises a machine shell, a discharging opening is formed in the top of the machine shell, and the novel straight gear shaping device for gear machining is characterized in that the discharging opening can slide in the left-right direction of the inner wall of the machine shell, a left electromagnet assembly is slidably connected to the inner wall of the left side of the machine shell, a first sliding groove is formed in the right side wall of the machine shell, a right electromagnet assembly located inside the machine shell is slidably connected into the first sliding groove, a first driving mechanism is arranged inside the machine shell, and a second driving mechanism is jointly arranged between the left electromagnet assembly and the right electromagnet assembly. By means of arrangement, the problems that cooling liquid is inconvenient to reuse in the machining process, and scrap iron cannot be well collected are solved.

The invention discloses a biomass particle hot air heat exchanger. The biomass particle hot air heat exchanger comprises a combustion chamber, a smoke box, a heat exchange pipeline and air reversing boxes. A feeding port and a smoke discharging port are formed in the combustion chamber. A hot air chamber surrounds the outer wall of the combustion chamber. The hot air chamber is provided with a hot air inlet and a hot air outlet. The combustion chamber is connected with the smoke box. Smoke generated through the combustion chamber flows through the smoke box and is discharged through a smoke discharging port of the smoke box. The heat exchange pipeline penetrates a smoke heat exchange pipeline from left to right to connect the air reversing boxes arranged on the left side and the right side of the heat exchange pipeline. A hot air channel is formed by the heat exchange pipeline and cavities of the air reversing boxes, air enters from an air inlet, and air enters the hot air inlet of the hot air chamber after flowing and being subjected to heat exchange in the hot air channel. The biomass particle hot air heat exchanger is compact and simple in structure, the heat exchange stroke is increased, it is ensured that the heat exchange time is long enough, heat losses are reduced, the heat exchange efficiency is effectively improved, and hot air is clean and neat.

The invention provides a double-telescopic system which comprises a hydraulic control system and a double-telescopic crane, the hydraulic control system comprises a multi-way valve bank, an oil tank, an oil pump, a lifting hook limiting valve bank, an overload protection valve bank and a winch control module, the oil tank is connected with one end of the oil pump, and the other end of the oil pump is connected with the oil inlet end of the multi-way valve bank; the oil outlet end of the multi-way valve group is connected with the oil tank; the lifting hook limiting valve set is connected with the control end of the multi-way valve set, the overload protection valve set is arranged on the lifting hook limiting valve set, and the hydraulic control system is used for controlling the double-telescopic crane. Through the structure, the problem that the structure of the telescopic arm is damaged due to the fact that the double-telescopic crane stretches out too long during working is solved, and it can be guaranteed that the double-telescopic crane does not exceed the upper lifting limit during lifting.

The invention relates to a data cleaning method for demand prediction of a shared automobile. The data cleaning method comprises the following steps: (1) extracting opening data of all client applications interacted at the same time; (2) acquiring all network points within a 5-kilometer range of an interaction place and data about whether to-be-rented vehicles exist at the corresponding network points or not when the interaction occurs at this time; (3) obtaining data about whether an order placing operation is carried out or not after the interaction; (4) allowing the process id for opening the client application at this time to belong to a network point closest to the interaction place; (5) obtaining the longest vehicle taking walking distance of successful order placing of the user whoperforms the interaction at this time; (6) obtaining information of all network points within the longest vehicle taking walking distance of the user; (7) judging whether a to-be-rented vehicle existsor not; and (8) affiliating the data result of the interaction to the network point closest to the interaction place, and finishing data cleaning. The data validity is ensured; dirty data cannot be doped, prediction accuracy is improved, and meanwhile model operation time is shortened.

The invention relates to the technical field of water quality monitoring auxiliary equipment and discloses a zooplankton collection device. The zooplankton collection device comprises a water sample container and a collection container. The water sample container is used for holding a water sample and comprises a nontransparent container body with an opening and a nontransparent cover body which covers the opening in an openable and closable manner, the side wall of the container body is provided with an outlet, and a valve for opening and closing the outlet is arranged at the position of theoutlet. The collection container is provided with an inlet which is in detachably airtight butt joint with the outlet, and a light-emitting source is arranged in the collection container. Therefore, the zooplankton collection device is capable of effectively improving zooplankton collection efficiency, and the problem of influences on researching due to excessive impurities in collected zooplanktons can be avoided.

The invention relates to a garbage compression device with a sewage discharge device, which includes a compressor and a garbage box matched with the compressor; the bottom of the compressor is composed of a ramp, and a sewage collection box is arranged at the output of the ramp. The ramp of the present invention can compress the garbage while the sewage flows into the sewage collection tank along with the ramp, and then the sewage collection tank transports the sewage out, achieving the effect of killing two birds with one stone. Garbage also flows into the sewage channel, so a filter screen is designed on the ramp, so that there is only sewage in the sewage channel without some garbage, which strengthens the effect of diversion.

The invention provides a control method of a double-telescopic system. The control method comprises the specific steps that S1, a telescopic three-position seven-way reversing valve reverses, and a telescopic crane stretches out of a suspension arm; s2.1, the winch control module controls and limits reversing of a first two-position two-way reversing valve; s2.2, an oil drainage port of the telescopic three-position seven-way reversing valve is communicated with an oil way between the oil tank; s2.3, the oil tank continues to supply oil to the first-stage telescopic oil cylinder and the second-stage telescopic oil cylinder through the telescopic three-position seven-way reversing valve; s2.4, redundant hydraulic oil flows back to the oil tank through the limiting first two-position two-way reversing valve; s3, reversing the overload three-position seven-way reversing valve, and conveying hydraulic oil to a winch control module by an oil tank; s4, the winch control module controls the mooring rope to descend, and the mooring rope is lifted after hooking the goods; s5.1, overloading a second two-position two-way reversing valve for reversing; s5.2, the overload first two-position two-way reversing valve performs reversing; s5.3, the oil tank continues to supply oil to the winch control module; s5.4, redundant hydraulic oil flows back to the oil tank from the overload first two-position two-way reversing valve; and S6, the double-telescopic crane transfers the goods, and conveying is completed.

The invention discloses an air filter of oil filtering machine. The air filter comprises a tank body, an upper cover, a base, and a pipeline joint. The upper cover is arranged on the top of the tank body and is matched with the tank body. The base is arranged in the bottom of the tank body and is matched with the tank body. An inner joint is arranged on the base and is connected with the pipeline joint. The joint between the inner joint and the pipeline joint is provided with a steel ball valve, the inner surface of the tank body is made of a silica gel material; a rubber mat is arranged between the base and the tank body, and a synthesized fiber net is arranged on the upper part of the rubber mat. All parts of air filter are tightly combined together, no other impurity is doped, the filtering is effective, and silica gel and rubber mat are arranged in the air filter to effectively prevent cavitation and reduce air noise.

The invention discloses a blade assembly, and further provides a rotor and crushing, depolymerizing and modifying equipment. The blade assembly comprises a first direction, a second direction and a third direction, clamping structures located at the two ends of the third direction, a mounting structure, and a ceramic working piece clamped in the mounting structure, wherein the first direction, thesecond direction and the third direction are mutual perpendicular; the clamping structures and a rotor shaft are matched to limit the displacement of the blade assembly in the third direction and thefirst direction; the end of the mounting structure is matched with a groove in the rotor shaft to limit the displacement of the blade assembly in the second direction; and one side surface of the ceramic working piece is attached to the mounting structure, and the other side surface, perpendicular to the second direction, of the ceramic working piece is used as a working surface. According to theblade assembly, the problem of powder pollution caused by blade abrasion can be avoided, the purity of powders is further improved, and the blade assembly cannot be easily separated from the rotor shaft, and then cannot be broken, so that the service life of the blade assembly is prolonged. The rotor and the crushing, depolymerizing and modifying equipment have the same technical effect.

The invention provides a cassava whole powder processing technology which comprises the following steps of receiving, cleaning, friction peeling, filing, pumping, cyclone desanding, centrifugal screening, dehydration, drying and packaging, wherein in the friction peeling procedure, by adopting a hard brush as well as utilizing friction between the brush and a material and friction between the materials, the effect of cleaning and peeling is achieved by spraying with a water pipe; and cassava after being peeled with the brush is conveyed to a drum cleaning machine, and residual impurities, after peeling, of the cassava are further removed with overturning and friction in the drum cleaning machine. For the cassava whole powder processing technology provided by the invention, through a uniquefriction removal technology, the processed cassava whole powder is pure in color and is not doped with cassava skins; and the cassava powder is generally finer after being screened and graded througha starch sieve and meets the requirements.

The hydraulic system comprises a hydraulic control system, the hydraulic control system comprises a multi-way valve set, an oil tank, an oil pump, a lifting hook limiting valve set, an overload protection valve set and a winch control module, the oil tank is connected with one end of the oil pump, and the other end of the oil pump is connected with the oil inlet end of the multi-way valve set; the oil outlet end of the multi-way valve group is connected with the oil tank; the lifting hook limiting valve group is connected with a control end of the multi-way valve group; an overload protection valve group is arranged on the lifting hook limiting valve group; according to the structure, the problem that the structure of the telescopic arm is damaged due to the fact that the double-telescopic crane stretches out too long is solved while the double-telescopic crane keeps stretching out, and it can be guaranteed that the double-telescopic crane does not exceed the upper lifting limit during lifting.

The invention relates to an electroplating pearl nickel color difference optimizing process. A plating part subject to semi-bright nickel plating treatment is fed into a dedicated pearl nickel grooveto be subject to pearl nickel plating treatment, the dedicated pearl nickel groove comprises a groove body, multiple tetrafluorohydrazine pipelines which are distributed at equal intervals from top tobottom and extend in the width direction of the groove body are arranged at the two ends of the groove body, and a partition board for separating the tetrafluorohydrazine pipelines from an inner cavity of the groove body is arranged on the inner sides of the tetrafluorohydrazine pipelines, and pearl nickel plating is carried out in the following component solution and condition that 460 to 470 g / L of nickel sulfate, 43 to 47 g / L of nickel chloride, 43 to 47 g / L of boric acid, 16 to 24 ml / L of a softening agent BSI, 0.8 to 1.6 ml / L of a wetting agent Ma-80, 2.4 TO 3.2 ml / L of a pearl nickel sand agent and 1.0 to 2.0 ml / L of a stabilizing agent PVA-124 are included; in the whole electroplating process, all components in the solution need to be regularly added, and stability of concentrationof all components in the whole electroplating process can be ensured. The electroplating pearl nickel color difference optimizing process has the beneficial effects that through the optimized process, surface color consistency of products to be plated is ensured, and the product yield is improved.

The invention relates to a carbon fiber inhaul cable capable of being used for a large building structure. The carbon fiber inhaul cable comprises a cable body and a plastic pipe sheath, wherein the cable body is formed by stacking a plurality of carbon fiber plates with the same width in parallel and is provided with a rectangular section, and the cable body is sleeved with the plastic pipe sheath. The carbon fiber inhaul cable is a cable body which is small in section, high in strength, and conductive to installation and anchoring, is excellent in tensile property, simple in production process, conductive to installation and construction, long in service life and higher in comprehensive cost performance, can be used for the large building structure, and has the capability of replacing a steel cable under the policy background of carbon neutralization.