41results about How to "Continuous and stable operation" patented technology

The invention discloses a building external glass cleaning robot with self-identification and obstacle avoidance capability and a control method thereof. in the robot, a fixture is horizontally fixedly installed on that upper edge of the glass curtain wall outside the building, moving horizontally slidably connected to the power module on the fixture. A main frame fix module is adsorbed on that outside of the out glass curtain wall of the building, the main frame control module is installed on the outside of the main frame fixed module in parallel, the top of the main frame control module is connected with the power module through the moving wire rope, the intelligent cleaning module is slidably connected with the main frame control module, and the walking device is installed on the insideof the main frame control module. The control method comprises a robot cleaning glass curtain wall control method, a robot vertical movement control method and a robot horizontal lateral movement control method. The robot of the invention can move freely outside the building and can realize the functions of self-identification and obstacle avoidance, so that the robot can still keep stable operation under high-altitude wind or other special weather environment.

The invention relates to a method for carrying out catalytic and oxidative treatment on waste gas produced by a hydrogen peroxide propylene oxidation (HPPO) device, mainly aiming at solving the problem that in the prior art, waste gas emission can not meet the standards. According to the method for carrying out catalytic and oxidative treatment on the waste gas produced by the HPPO device, after being preheated in a heat exchanger, the hydrocarbon-containing waste gas produced by the HPPO device respectively enters a first heater and a second heater so as to be heated to the catalytic and oxidative reaction temperature, and then respectively enters a first catalytic oxidation reactor and a second catalytic oxidation reactor so as to be subjected to an oxidation reaction, thus generating H2O and CO2; gases at outlets of the first catalytic oxidation reactor and the second catalytic oxidation reactor are mixed together and then enter the heat exchanger so as to exchange heat with the hydrocarbon-containing waste gas produced by the HPPO device; after heat exchange is finished, the concentration of non-methane hydrocarbon in the purified waste gas is reduced to 120mg/m<3> or less; the technical scheme of high-altitude emission better solves the problems. The method can be used for treating the waste gas produced by the HPPO device.

A kind of self-balance coal continuous gasification stove includes grate, furnace, gas tube, there is a steam generator in the internal top of furnace body corresponding to the fuel preparing layer, the water entrance of steam generator connects with cool water source, the steam exit connects with the wind exit of fan, the wind exit tube extends into furnace body under the grate. The steam generator is hollow set in the lumen top of furnace body above the fuel preparing layer. It also can be even interflowing tubes and set in the same position.

The invention relates to a precise combination bearing with adjustable pre-tightening force. The precise combination bearing with adjustable pre-tightening force comprises a small inner ring, a largeinner ring, an outer ring, an axial retainer, axial rollers and a radial roller, wherein the small inner ring is arranged on the small inner ring; the axial rollers are tapered rollers, and the linearspeeds of the two ends of each axial roller are consistent; tapered grooves matched with the axial rollers in size and shape are formed in the axial retainer; the axial rollers are mounted in the tapered grooves; the surfaces, correspondingly contacted with the axial rollers, of the small inner ring and the large inner ring are inclined surfaces matched with the tapered surfaces of the axial rollers; the outer end of each axial roller is provided with a pre-tightening device capable of adjusting pre-tightening force, and the pre-tightening devices are arranged outside the axial retainer; theradial roller is a spherical roller; each pre-tightening device comprises a piston, a spring and a small threaded plug; and the springs are connected with the axial rollers through small ball bodies.The precise combination bearing with the adjustable pre-tightening force has the advantages of high transmission rigidity, stable transmission, convenient mounting, high precision of machine operationand the like, and is not influenced by the speed difference of long-time operation.

The invention provides a circulating conveying structure. The circulating conveying structure comprises a chain wheel, a chain, a plurality of carrying components and a supporting component. The carrying components are arranged on a chain link of the chain. A guiding support part, of the supporting component, under the chain plays the role of guiding support for the loading components, so as to avoid the falling of the middle part when the chain is too long or too heavy. A driver does not need to overcome the self-weight of the chain, and can fully use the driving force to drive the chain to rotate and transport, and the chain operation is stable. The chain is provided with multi-stage supporting components; side guarding plates are arranged on both sides of the chain and are detachably connected together through the supporting components; at the same time, according to the characteristics of the chain itself, the chain links can be extended or shortened by docking so that the circulating conveying structure can realize the overall extension or shortening according to the distance of the transport, and the design section by section is convenient for maintenance.

An embodiment of the present invention discloses a device for maintaining constant negative pressure irrigation. The device comprises a penetrating container, a porous medium plate, and a U-shaped container, wherein the penetrating container is of an inverted cup-shaped. An air-out connection is disposed on the top of the penetrating container, and communicates with a communicating hole in a lower portion of a water receiver. The bottom of the penetrating container is open. The porous medium plate is generally fixed by sticking to an inner sidewall of a lower portion of the penetrating container, and the position of sticking of the porous medium plate to the inner sidewall is sealed. The penetrating container is placed in the U-shaped container that is filled with a fluid capable of infiltrating the porous medium plate. Using the device for maintaining constant negative pressure irrigation, continuous and steady running of negative pressure irrigation may be ensured.

The invention provides a centrifugal pump. The centrifugal pump comprises a pump body, an auxiliary ground inserting device, a water inlet unit and a water outlet unit, wherein the water inlet unit isinstalled on the side wall of the left end of the pump body, the water outlet unit is installed on the side wall of the right end of the pump body, and the auxiliary ground inserting device is installed at the lower end of the pump body through bolts. According to the centrifugal pump, the problems that when the centrifugal pump is placed in water or oil liquid, vibration is generated in the working process, so that the pump body is inclined and inclined, and then the work of the pump body is influenced can be solved; the problems that when the pump body is placed in the water or the oil liquid, a large number of fixed particles and the like existing in the pump body are adsorbed into the pump body, then normal operation of the pump body is influenced, and rotation of an impeller in the pump body is influenced after long-time use are solved; and the problems that when a water outlet of the pump body is connected with a guide pipe, a water guide pipe is prone to falling off due to thewater spraying pressure generated by the pump body, and then the work of the pump body is influenced are solved.

The invention discloses an improved load balancing algorithm based on difference feedback, which comprises the following steps: a threshold value of CPU residual utilization ratio of a server clusternode and a threshold value R (Si) of node load difference value in the cluster are set; The load balancer collects the CPU remaining utilization ratio of the server cluster node in a certain time interval, and calculates the load difference delta L (Si) of the cluster node; and the load balancer collects the CPU remaining utilization ratio of the server cluster node in a certain time interval; theload difference value of cluster node is compared with the threshold value of the set load difference value and the current CPU remaining utilization ratio of cluster node with the threshold value ofthe CPU remaining utilization ratio set before, a group of clusters with the highest node load weight value are selected, and the user request is distributed to the cluster node with relatively highweight value.

The invention discloses an electric brush assembly and a motor. The electric brush assembly includes an electric brush (1), an electric brush sleeve (2) and an elastic pressing piece. The end, sleevedwith a sleeve cavity of the electric brush sleeve (2), of the electric brush (1) is a pressure bearing sleeving end, and the other end of the electric brush is a sliding contact end protruding from asleeve end face of the electric brush sleeve (2). According to the arrangement of the elastic pressing piece, during wearing of the sliding contact end, basically constant elastic pressure is performed at the pressure bearing sleeving end. The elastic pressing piece in the electric brush assembly can perform the basically constant elastic pressure on the electric brush to render the contact pressure between the electric brush and a commutator basically constant during wearing, so that continuous stable running of the motor is ensured. Electromagnetic sparks and work noise which are caused byinsufficient contact pressure are effectively reduced, and therefore the reliability of the motor is improved.

The present invention relates to a layered semipermeable membrane satisfying the conditions below. (A) The maximum peak intensity between 3700 and 2900 cm-1 is 0.08 or greater in the difference spectrum between an IR spectrum measured at 25 DEG C and 97% relative humidity and an IR spectrum measured at 25 DEG C and 3% relative humidity. (B) The peak top wavenumber between 3700 and 2900 cm-1 of theaforementioned difference spectrum is 3400 cm-1 to 3550 cm-1. (C) The N1s peak has a maximum value at 401 eV or greater in X-ray photoelectron spectroscopy in which X-rays are radiated to a coat layer.

The invention discloses a vibrating sand washing machine for water conservancy equipment production, which comprises a machine body, a funnel is arranged on the top of the body, a feeding pipe is fixedly connected to the bottom of the funnel, and a sand washing machine is arranged inside the body. barrel, the end of the feed pipe away from the funnel runs through the outer surface of the machine body and the outer surface of the sand washing bucket and extends to the inside of the sand washing bucket, both sides of the sand washing bucket are fixedly connected with support rods, the The end of the support rod far away from the sand washing bucket is fixedly connected with a pulley, and the inner side wall of the body is fixedly connected with two symmetrical chutes. The pulley is clamped inside the chute, and the inside of the body is provided with A rotating rod, both ends of the first rotating rod pass through the inner wall of the body and extend to the outside of the body, and one end of the first rotating rod is fixedly connected with a first gear. The vibrating sand washing machine used in the production of water conservancy equipment has the advantages of simple structure, high working efficiency and no waste of water resources.

The invention relates to a mechanical selector with a shock absorption structure for oil field perforation and coring. The mechanical selector comprises a nylon resin layer and a coring orifice plate,wherein one side of the nylon resin layer is in hollow-out connection with liquid drainage holes, an external straight rod is arranged on the inner side of the nylon resin layer, and one side of theexternal straight rod is in welding connection with a connecting block; the inner side of the coring orifice plate which is located on one side of the connecting block is in hollow-out connection witha coring cylinder, a jet nozzle is arranged on the inner side of the coring cylinder, and the jet nozzle is in hollow-out connection with air holes; supporting blocks are arranged at the two ends ofthe coring orifice plate, and plated steel is installed on the outer sides of the supporting blocks. The mechanical selector has the beneficial effects that the textile cleaning device with a multidirectional positioning stirring function is provided with a gear lever, through the gear lever and a gear positioning groove formed in one side of the gear lever, operation is easy and flexible due to the triangular structure and the switch shifting way, neither shifting hysteresis nor trip stop can occur, and the operation stability of the device is improved.

The invention discloses an efficient automatic cleaning device for a distillation passage of a U-shaped titanium sponge reactor, and relates to the technical field of U-shaped furnace titanium sponge production equipment.The efficient automatic cleaning device comprises a shell, a cleaning assembly and a partition plate assembly, and the cleaning assembly is arranged at the top of the inner side of the shell; the cleaning assembly comprises a hydraulic cylinder, a first hydraulic connecting valve, a push-out rod, a motor and a high-strength drill bit. The first argon filling opening and the second argon filling opening can be automatically opened in the transfer distillation process of the U-shaped sponge titanium reactor, so that the equipment can continuously fill argon into the shell and the interior of the passing channel, argon is continuously and automatically filled before the process is dredged, a product can be well protected from air pollution, and the production efficiency is improved. In addition, the graphite pad between the passage connecting flange and the large-cover vertical pipe flange can be used for filling a joint gap between the passage connecting flange and the large-cover vertical pipe flange, so that the air tightness when the shell is butted with the passage can be ensured, and the air isolation effect of the equipment can be further improved.

The invention relates to a forming and sintering process of a PANACEA material. The forming and sintering process of the PANACEA material is characterized in that walking beam type sintering equipment is adopted for machining; the interior of the walking beam type sintering equipment comprises a degreasing section, a sintering section and a cooling section; the N2 flow in a furnace is kept to be 28 to 32 Nm < 3 >/h; the furnace pressure is kept to be 12 to 20 mbar; the period of a walking beam is kept to be 112 to 150 s; the conveying rate of a feed is controlled by the walking beam; the powder feed is firstly conveyed from a feeding section to the degreasing section by a conveying mesh belt to remove a residual binder; the feed subjected to catalytic degreasing is conveyed into the sintering section through the conveying mesh belt; the sintering section comprises five high-temperature areas: the temperature of the first high-temperature area is 1000 to 1050 DEG C, the temperature of the second high-temperature area is 1100 to 1150 DEG C, the temperature of the third high-temperature area is 1290 to 1300 DEG C, the temperature of the fourth high-temperature area is 1290 to 1300 DEG C, and the temperature of the fifth high-temperature area is 1150 DEG C; and finally the feed enters the cooling section, and is discharged out of a furnace after being cooled in the furnace so as to be turned into metal powder. According to the forming and sintering process of the PANACEA material provided by the invention, the occurrence of the phenomenon that high-temperature ferrite is generated due to overlong heat preservation time is avoided while densification is completed, and the size, the density and the magnetic conductivity of a product are facilitated.

The invention provides a laser inter-satellite link terminal autonomous relay method and system for flying-around formation. The method comprises the steps that: step 1, a primary satellite and a secondary satellite obtain GNSS information of the primary satellite and GNSS information of the secondary satellite respectively; step 2, sight vectors of the primary and secondary satellites in oppositeside body coordinate systems are recursively calculated in real time according to the GNSS information by the primary and secondary satellites; step 3, the main satellite selects a relay terminal andcalculates a relay window according to the sight vector of the auxiliary satellite in the main satellite body coordinate system in combination with the on-satellite layout of a main satellite laser terminal; the secondary satellite performs relay terminal selection and relay window calculation according to the sight vector of the primary satellite in the secondary satellite body coordinate system; and step 4, to-be-relayed terminals of the primary satellite and the secondary satellite respectively search, capture and track the beacon light of the target terminal so as to realize switching andautonomous tracking of the laser link. The method is easy to implement, the inter-satellite laser link operates autonomously, continuously and stably in the formation operation process, ground intervention is reduced, and link continuity and stability are guaranteed to the maximum extent.