39results about How to "Will not cause disturbance" patented technology

The invention discloses a sterile filling valve applied to a sterile cold filling production line of beverage products. The filling valve comprises a material flowing cavity channel, and a valve opening and closing device is combined with a valve body into a whole, and the valve opening and closing device and the valve body are completely separated into two parts by an air and liquid separation film. The design guarantees the sanitation requirement of the sterile filling, and reduces the interference on the material flowing by the complicated design, so the material is favorable to flow, and the cavity channel is convenient to clean in all directions. The filling valve is integrally arranged on a mounting hole of a rotary table of a filling machine, and pairwise pressed by press plates, sothe valve can be conveniently mounted and detached. A pipeline of the filling valve is provided with an electromagnetic flow meter and a metal film valve for accurately controlling the filling accuracy. The valve adopts the filling method of not contacting bottle openings, so the pollution can not be caused even if the polluted bottles exist. Various functions of accurate filling of various levels, filling under the condition of bottle existence, no filling under the condition of no bottle, filling stop under the condition of bottle fulfillment, and the like can be realized by a filling control unit.

The invention relates to a device for treating low concentration methane in ventilation air methane (VAM) of a coal mine and a method thereof. A reverse flow catalytic combustion device is utilized at an outlet of a mine ventilation main fan to directly treat the methane, and part of the heat can be recovered. The device comprises two catalytic reactors, a heat exchanger, two groups of pneumatic three-way valves which can be automatically started and stopped to commutate periodically, an automatic air supply pneumatic three-way valve and an exhaust fan; wherein, the bottoms of the catalytic reactors are filled with honeycomb ceramics heat accumulation filler, and the middle sections thereof are provided with catalyst; electric heating tubes provided with fins are positioned on the top of the catalytic reactors and arranged in a certain way, so as to be taken as a preheater and a ventilation air methane distributor, thus ensuring the heating efficiency and the ventilation air methane to be evenly distributed. The invention can be used for treating the ventilation air methane having the methane concentration being lower than 1%, and the removing rate of the methane reaches more than 95%. When the methane concentration is higher than 0.6%, part of the heat can be extracted from the system; when the methane concentration increases to 0.3%, the reaction system can process by self heating without needing extra energy supply.

The invention discloses a shield tunneling axis real-time deviation rectifying system and method based on big data. The system comprises a data preprocessing module, a trajectory strategy module, an oil pressure attitude module, an oil pressure optimization module, a real-time monitoring module and an automatic learning module; the system can consider factors influencing shield attitude change based on big data collected on a construction site; the trajectory strategy module provides a target position of a next construction unit; the oil pressure attitude module outputs a partition oil pressure value required for reaching the target position according to the target position; meanwhile, a shield tunneling machine oil pressure allowable output range is considered, and an oil cylinder pressure theoretical value calculated by the system is optimized; and when the calculation result of the model is abnormal, an emergency shutdown signal is output. Compared with a common axis control method,the deviation rectifying method not only can comprehensively consider factors influencing shield axis control to ensure that disturbance of surrounding soil cannot be caused in the deviation rectifying process, but also considers the stability of the model to set emergency treatment measures.

The invention discloses a one-dimensional soil body heat and humidity transfer simulation device and measurement method. Two electric heaters are arranged in a thermostatic water tank; the thermostatic water tank is also internally provided with a first circulating water pump used for carrying out internal circulation on water in the water tank, and a second circulating water pump used for carrying out external circulation on hot water in the thermostatic water tank by a pipeline; the thermostatic water tank is also internally provided with a water thermometer used for measuring the water temperature; a soil column experiment box body is made of an acrylic plate capable of insulating heat and water; a heating tank is arranged at one end in a soil column experiment box and the rest of space in the soil column experiment box is used for bearing soil used for an experiment; a plurality of temperature sensors and moisture content sensors are also arranged in the soil used for the experiment in the soil column experiment box; the heating tank is isolated from the soil used for the experiment by a copper plate. The one-dimensional soil body heat and humidity transfer simulation device and measurement method have the beneficial effects that disturbance is not caused when a soil body is measured, and the device is good in integrity and high in test accuracy.

The invention discloses a top suction type extractor hood which comprises an exhaust fume collecting hood and an auxiliary fan for injection. The exhaust fume collecting hood is concaved upwards to form an exhaust fume collecting cavity. The exhaust fume collecting hood is provided with an air inlet. A cavity is formed around the air inlet in the exhaust fume collecting hood. An air outlet of the auxiliary fan faces towards the interior of the cavity. The bottom of the outer side of the cavity is provided with an injection air outlet which faces towards the air inlet in an upward inclined mode. The top suction type extractor hood is characterized in that the lowest point of the air inlet of the auxiliary fan is not lower than the air inlet of the exhaust fume collecting hood, and sucks gas entering the air inlet of the exhaust fume collecting hood, and the cavity, the injection air outlet, the exhaust fume collecting cavity, the air inlet of the exhaust fume collecting hood and the auxiliary fan form a circulation flow path for gas circulation flow. Gas circularly flows in the circulation flow path, negative pressure is produced, rising exhaust fume is guided to flow and be gathered towards the air inlet of the extractor hood, the exhaust fume collecting effect is greatly improved, and exhaust fume is prevented from being escaping.

The invention relates to a belt for a set of belt drums in a two-drum winder, which belt (20) comprises a support layer (21) that maintains the longitudinal tension of the belt (20), an outer layer (22) between the support layer (21) and an outer surface (23) of the belt (20) placed against a fibrous web roll (10) that is being wound on the two-drum winder, and an inner layer (25) between the support layer (21) and a surface placed against lead rolls (12, 13) of the set of belt drums (15) in the two-drum winder. The outer layer (22) of the belt (20) is thin, i.e. has a thickness of less than 3.5 mm when the belt is new and unused, and the outer layer of the belt (20) is manufactured of a wear-resistant material, such as rubber or elastomer.

The invention discloses a fluidized bed gasification furnace deslagging method and a device, and the fluidized bed gasification furnace deslagging device comprises a gasification furnace, wherein oneregion in the gasification furnace is defined as a gasification reaction region and is used for carrying out a gasification reaction; an ash cooling area which is communicated with the gasification reaction region, wherein cooling gas is introduced into the ash cooling area; and a slag discharging machine which is arranged in the ash cooling area and is used for quantitatively discharging ash slaggenerated by the gasification reaction. By arranging the ash cooling area communicated with the gasification reaction region and arranging the slag discharging machine in the ash cooling area, the problems of sealing leakage and operation faults of the slag discharging machine at high temperature are effectively solved, and high-temperature ash generated by the pressurized fluidized bed gasification furnace is cooled, quantified and stably discharged.

The invention provides a multi-hot-water-pump linkage control device for diesel engine test run. The multi-hot-water-pump linkage control device comprises frequency converters, a PLC, a first liquid level sensor and a second liquid level sensor which are matched with hot water pumps one by one. Each frequency converter is respectively connected with the PLC. The first liquid level sensor is installed in a hot water pool, and the second liquid level sensor is installed in a cooling tower. Liquid level data collected by the first liquid level sensor and the second liquid level sensor are sent to the PLC, the PLC controls frequency data of each frequency converter according to the received liquid level data, and the frequency converters adjust the operation rotating speed of the hot water pumps through the frequency data. Meanwhile, the invention provides a diesel engine test run cooling system provided with the multi-hot-water-pump linkage control device. Liquid level changes in the hot water pool and the cooling tower are dynamically responded to, the problem that the liquid level changes in the hot water pool are too large is solved, and the purpose of liquid level dynamic balance in the hot water pool and the cooling tower is achieved.

The invention discloses an electric power meter fixing box. The electric power meter fixing box comprises a telescopic rod, a third motor and a casing; the third motor is disposed at a lower end of the telescopic rod, and the telescopic rod is connected to the casing through a rotating block; a slide rail is disposed on the bottom of the casing; the slide rail is slidably connected to a moving frame through first sliding blocks; the moving frame is connected to a pressing plate; a movable rod is disposed on the upper side of the casing; a limiting block is arranged on the top end of the movable rod; the limiting block is connected to the upper part of the casing through springs; and a mounting plate is fixedly connected to the lower part of the limiting block. The moving frame is arrangedin the casing of the electric power meter box, which facilitates movement of the electric power meter box; the whole electric power meter is fixed and limited through the springs and a rubber pad, which can buffer vibration and protect internal parts of the electric power meter from being damaged, and prevent the electric power meter from dust during transportation.

The invention belongs to the technical field of p-xylene crystals and in particular relates to a p-xylene crystal separation method. The invention designs a special p-xylene crystal separation deviceand a corresponding method. The device structurally comprises a crystallization tank and a condensation tube, wherein a feeding hole, an exhaust hole and a discharge hole are formed in the crystallization tank; the condensation tube penetrates through the crystallization tank; parts of the condensation tube are retained inside and outside the crystallization tank respectively; a plurality of flowing liquid micropores are formed in the condensation tube inside the crystallization tank. As the condensation tube penetrates through the crystallization tank, a mixed p-xylene liquid raw material canbe subjected to heat exchange and cooling inside and outside simultaneously; in addition, due to design of the flowing liquid micropores, an inert cooling liquid slowly infiltrates into the crystallization tank from different heights in a micro-flowing process, then the raw material liquid is not seriously disturbed, growth of the crystal can be facilitated, the crystal purity and product yieldscan be increased, the crystallization time is shortened, and the equipment production intensity is improved.

The invention relates to a connector device with a protective door. The connector device with the protective door includes a plug, a socket, the protective door, and a door opening mechanism. The dooropening mechanism includes a pusher and a slider. The pusher and the slider cooperate through an inclined mating surface to convert the guiding movement of the pusher into the guiding movement of theslider. The protective door is a hinged door panel. The hinge axis of the door panel is parallel to the guide movement direction of the pusher. The door panel and the slider are connected through a link mechanism. The link mechanism is used to convert the guiding movement of the slider into the rotation of the door panel to realize the opening and closing of the door panel. The pusher of the dooropening mechanism pushes the slider, and the protective door is opened, so that the plug and the socket can be mated. The pusher and the slider cooperate through the inclined surface to convert the displacement of the pusher into the displacement of the slider, so that the door plate is pushed with the pusher. The door panel carries out translation on a plane perpendicular to the guiding moving direction of the pusher. The problem of low protection performance of the connector caused by long stroke of the protective door is solved.

The invention discloses a Cystatin C detecting kit. The Cystatin C detecting kit comprises an R1 reagent and an R2 reagent, and is characterized in that the R1 reagent is prepared from a buffer solution, a stabilizer, a surfactant, a preservative and a reaction accelerator; and the R2 reagent is prepared from a buffer solution a, a stabilizer a, a surfactant a, a preservative a and a reaction accelerator a. The sensitive and stable Cystatin C detecting kit is convenient to use and easy to operate; and the components participating in a coupled reaction are all very stable, interference of internal and external source substances is avoided, stability is good, and the Cystatin C detecting kit can be used for a long time.

The present invention relates to a pressure vessel monitoring system and a monitoring method thereof. The system includes a fiber grating sensing device, a data collection device, a remote server, andan alarm device which are connected in sequence. The fiber grating sensing device is installed in a pressure vessel, and detects temperature and pressure of the pressure vessel to generate detectionresults, the results are sent to the data collection device and summarized, then the results are sent to the remote server for analysis to obtain an analysis result, and when the analysis result meetspreset alarm conditions, an alarm command is sent to the alarm device to give an alarm. No electrical interference is caused during detection. The data collection device improves the data transmission efficiency. The remote server implements remote data processing. When the analysis result meets the preset alarm condition, the alarm command is sent to the alarm device to alert the operator to deal with the abnormal situation in time. The operator can remotely receive data and alarm information to avoid the pressure vessel itself or the environment from adversely affecting the operator. The system and the method are convenient to use and highly reliable.

The invention belongs to the technical field of carbon nanotube dispersion state characterization, and particularly relates to a device and method for characterizing a dispersion state of CNTs in a polymer composite material. The device comprises a sample tube which is arranged in a sample heating and heat preservation device, wherein the sample heating and heat preservation device is provided with an inert gas inlet; an ultrasonic heating device for heating the sample in an auxiliary manner; a signal detection device which is used for detecting sample signals and is connected with a display terminal through a wire, wherein the display terminal is connected with a power supply through a wire; a radio frequency transmitter which is perpendicular to the scanning coil. The scanning coil is connected with a scanning generator, and a magnet is arranged in the scanning coil. The device can be used for quickly analyzing and characterizing the dispersion state of the carbon nanotube filler inpolymer composite materials such as rubber and plastic in a lossless manner; the device is not limited by the concentration of the carbon nanotube filler, and is simple and convenient to operate and high in stability.

The invention discloses a machine head suitable for updating a reinforced concrete pipeline through a fragmentation method, and belongs to the technical field of pipeline updating devices. The machinehead comprises a shell body, wherein a plurality of wind picks are uniformly arranged at the front end of the shell body, and a drill bit is fixed to the front end of each air pick; a pulling head isarranged in the middle of one end, where the air picks are arranged, of the shell body; a storage chamber is arranged inside the shell body, wherein a hopper is arranged at the front end of the storage chamber; the rear end of the storage chamber is provided with a cutting chamber, wherein the storage chamber is connected with the cutting chamber through a transition section, and the transition section is a conical structure with a large opening and close to the storage chamber end; a cutting machine for cutting steel bars is arranged at the front end of the inner part of the cutting chamber;and the bottom of the storage chamber is provided with a discharging port I, the bottom of the cutting chamber is provided with a discharging port II, and the discharging port II is located behind the cutting machine. According to the machine head suitable for updating the reinforced concrete pipeline through the fragmentation method, by adopting the above structure, the problem that soil aroundthe reinforced concrete pipeline is prone to disturbance due to the fact that the reinforced concrete pipeline is not easy to update can be solved, and the advantages of simple structure and high working efficiency are achieved.

The invention discloses a high-tone-quality projection apparatus capable of taking full advantage of optical engine space. The high-tone-quality projection apparatus comprises a projector and a sound;the projector comprises an illumination system and an imaging system; the illumination system is arranged in a cavity A, and the imaging system is arranged in a cavity B; the illumination system comprises an LED light source arranged on the side wall of the cavity A and a light guide body arranged in the cavity A and connected with the LED light source; a Fresnel lens A is arranged in the light ray exit port of the light guide body; the cavity A and the cavity B are both sealed cavities; thermal insulation glass for the emergent light rays of the Fresnel lens A is arranged on the side wall ofthe cavity A; the air inside and outside the light guide body are isobaric; and a loudspeaker of the sound is fixedly arranged on the side wall of the cavity A or the cavity B. By virtue of the high-tone-quality projection apparatus, integration of the projector and sound working spaces is realized, thereby repeatedly utilizing the non-compressible space occupied by the projection apparatus lightpath to the maximum degree so as to form a cavity needed by the loudspeaker.

The invention discloses a sampling device for precise water depth measurement sediment analysis. The device comprises a sampling chamber, a lowering rope is correspondingly arranged on the outer sideof the upper end of the sampling chamber, and a counter weight is correspondingly arranged on the outer side of the lower end of the sampling chamber; a sealing chamber is correspondingly arranged onthe inner side of the upper end of the sampling chamber, a driving device is correspondingly arranged in the sealing chamber, and a driving rod of the driving device vertically extends downwards intothe sampling chamber and extends downwards to be provided with a sealing plate. When the sampling device is put down, the driving device drives the sealing plate to be pressed on the bottom plate of the sampling chamber; therefore, all the sampling holes are blocked; the lowering rope and a balance weight are matched to be lowered to a specified depth; at the moment, the driving rod and the sealing plate are controlled by the driving device to move upwards, water enters the sampling chamber from the sampling holes until the sampling chamber is filled with water, then the sealing plate is controlled to be pressed on the bottom plate to block the sampling holes, the whole sampling chamber is pulled out of the water surface, the water sampling is completed, the overall structure is reasonable, and the use is very convenient.