37results about How to "Reduce the probability of blocking" patented technology

The invention provides an electrolytic cell feeding system and an electrolytic cell system. The electrolytic cell feeding system comprises a material box, a constant-volume feeder and a feeding chute. The material box contains electrolyte raw materials. The constant-volume feeder is partially contained in the material box and outputs the electrolyte raw materials contained in the material box to the feeding chute. The feeding chute is arranged below the material box and comprises an upper material opening and a lower material opening. The upper material opening is located below the constant-volume feeder and receives the electrolyte raw materials provided by the constant-volume feeder. A rotary drum is arranged in the feeding chute and located between the upper material opening and the lower material opening. A groove structure is formed in the surface of the rotary drum. The electrolyte raw materials fall into the groove structure of the rotary drum through the upper material opening. The electrolytic cell system is provided with the electrolytic cell feeding system.

The invention provides a vehicle and a control method of the vehicle. The vehicle includes: a car body, the car body has a passenger compartment; a traction motor mechanism is arranged on the car body, the traction motor mechanism includes a traction motor, and a temperature sensor is arranged on the traction motor, and the temperature sensor is used to detect the real-time temperature of the traction motor; the exhaust gas discharge device , set on the car body, the exhaust gas discharge device has an air inlet and an air outlet assembly, the air inlet is connected to the passenger compartment, and the air outlet assembly is connected to the traction motor, so that the exhaust gas discharge device can transport the exhaust gas in the passenger compartment to the traction motor to Cool the traction motor. The vehicle of the present invention solves the problems in the prior art that the waste gas in the passenger compartment of the vehicle cannot be effectively utilized and the vehicle cannot provide high-quality wind for cooling the traction motor.

The invention provides an aluminum electrolysis cell feeding system which comprises a material box, a constant-volume feeding device and a feeding chute. The material box contains aluminum oxide raw materials, the constant-volume feeding device is partially contained in the material box, the constant-volume feeding device outputs the aluminum oxide raw materials contained in the material box to the feeding chute, and the feeding chute is arranged below the material box and comprises a material inlet, a feeding opening and a material guide inclined wall; the material inlet is located below the constant-volume feeding device and receives the aluminum oxide raw materials provided by the constant-volume feeding device, the upper end face of the material guide inclined wall is flush with the material inlet, the lower end face of the material guide inclined wall is flush with the feeding opening, and the aluminum electrolysis cell feeding system further comprises a buffer and an automatic dredging device. Compared with the prior art, the aluminum electrolysis cell feeding system has the advantages that an aluminum electrolysis cell is good in stability, high in current efficiency, low in energy consumption, long in service life and good in aluminum oxide feeding effect.

The invention discloses a tower bottom hydraulic contact pin breakage dust-free ash discharge device. The device comprises a funnel-shaped desulfurizing tower stock bin and bottom hydraulic insertion plates. The bottom hydraulic insertion plates are two-way insertion plates symmetrically arranged. Flat contact pins are arranged above the bottom hydraulic insertion plates and are two-way four-row contact pins. The two-way four-row contact pins are four rows of contact pins symmetrically arranged on the two sides respectively. The upper portions of the flat contact pins are connected with a bottom outlet of the desulfurizing tower stock bin. Two inclined contact pins are symmetrically installed on the side wall of the desulfurizing tower stock bin. A tower bottom dust cover is arranged below the bottom hydraulic insertion plates, the two sides of the tower bottom dust cover are provided with a first dust removal pipeline and a second dust removal pipeline respectively, and the first dust removal pipeline and the second dust removal pipeline are connected with an inlet flue duct and an outlet flue duct of a desulfurizing tower respectively. The invention further discloses an application method of the tower bottom hydraulic contact pin breakage dust-free ash discharge device. The tower bottom hydraulic contact pin breakage dust-free ash discharge device and the application method solve the problem that large desulfurizing tower bottom blocks block a discharge port, labor intensity is relieved, the labor environment is improved, labor cost is saved, and stable desulfurizing operation is guaranteed.

The invention introduces a shelling control method for electrolytic aluminum. The intelligent control cabinet controls the action of the shelling cylinder according to the received electrolyte voltage feedback signal and exhaust air pressure feedback signal, and the received electrolyte voltage feedback signal is used to control the action of the shelling cylinder. Better than the exhaust air pressure feedback signal, the electrolyte voltage feedback signal is within the normal range, controlled according to the electrolyte voltage feedback signal; the electrolyte voltage feedback signal is within the normal range, controlled according to the exhaust air pressure feedback signal. In this method, when the shelling result is detected to be abnormal, the secondary beating is added to increase the success rate of shelling, reduce the blocking rate, and reduce the inspection intensity; after the cylinder striking hammer touches the electrolyte liquid level, the feedback voltage of the electrolyte liquid level is normal, The intelligent control cabinet immediately ends the shelling action, saving gas consumption, energy saving and emission reduction; construction cost and difficulty are saved, and integrated operation is realized.

The invention provides a solid-free drilling fluid, comprising a plugging and anti-slump inhibitor, a stabilizer, a viscosifier, a film-forming agent, a fluid loss reducer and water; the plugging and anti-slump inhibitor is composed of polymeric alcohol and The granular lost circulation plugging material modified by dimethyl dienyl ammonium chloride and the fibrous lost circulation material are obtained; the granular lost circulation plugging material includes fruit shell. Compared with the prior art, the plugging and anti-slump inhibitor used in the present invention utilizes the unique "cloud point" effect of polyalcohol to form an effective isolation film on the surface of the borehole wall to block the channel for drilling fluid to penetrate into the formation. The shell and fibers form a complex network structure, which reduces the depth of drilling fluid invasion into the formation; at the same time, the reaction between dimethyl dienyl ammonium chloride and polymer alcohol produces a synergistic effect to enhance the inhibition and dispersion of the system and achieve effective stability The effect of the well wall; combined with other additives, the drilling fluid system has high rheology, fluid loss and inhibition, and the system has a simple formula and is convenient for preparation and maintenance.

The present invention provides an LTE PTN transmission network and a static route protection method thereof, comprising: when the multi-stage Peer BFD pre-configured and deployed between the first active PE node and the second active PE node in the LTE PTN transport network detects an IP When it is unreachable, it is determined that the route corresponding to the first active PE node is unreachable; a third active PE node is connected between the first active PE node and the second active PE node; The linked physical interface is shut down, so that the active route from the first active PE node to the third active PE node is revoked; the IP / VPN hybrid FRR route is activated, so that the first active PE node The next hop points to the standby PE node corresponding to the first active PE node. The present invention realizes the protection of multi-point failure scenarios in the LTE PTN transmission network, greatly reduces the blocking probability of the entire LTE network, and improves network security.

The invention discloses an IBN-based Internet of Things satellite system and a routing method thereof. The system includes an application layer, which is used to submit the intention requested by a user to a control layer; and a control layer, which is used to receive and translate the business intention of the application layer into The implementable solution is delivered to the data layer; the data layer is used for data forwarding; the maintenance layer includes a perception module and a self-healing module, where the perception module is used to Perceive the network status and maintain the smooth flow of the network according to the link load and traffic volume; the self-healing module is used to detect network abnormalities, establish firewalls, and predict security issues. The invention not only ensures the security and automatic maintenance in the Internet of Things satellite, but also solves the heterogeneity problem of the Internet of Things equipment, and effectively reduces the probability of network blockage caused by network configuration.

The invention belongs to the technical field of oil-field applied chemistry, and provides an efficient selective water plugging agent for oil fields and a preparation method of the efficient selective water plugging agent for the oil fields. The preparation method comprises the following steps of sequentially adding 18.0 percent to 22.0 percent of nonionic monomers, 10.0 percent to 14.0 percent of anionic monomer 1#, 4.0 percent to 8.0 percent of anionic monomers 2# and 2.0 to 4.0 percent of cationic monomers into a flask containing deionized water under the protection of nitrogen, and stirring sufficiently; adding 0.1 percent to 0.2 percent of crosslinking agent 1# and 0.1 percent to 0.15 percent of crosslinking agent 2#, and stirring sufficiently; adding 0.2 percent to 0.3 percent of oxidizing agent and 0.1 percent to 0.2 percent of reducing agent; reacting at a normal temperature for 30 min to obtain water plugging agent gel; purifying the gel and drying, and grinding the agent into products with different particle sizes according to requirements so as to prepare an expansive organosilicon selective water plugging agent. The water plugging agent prepared according to the method provided by the invention has the advantages of higher water plugging efficiency and lower oil plugging ratio, stability in performance at the normal temperature, strong acid resistance and strong inoxidizability, and the water plugging agent can be prepared into products with different particle sizes according to the size of formation pores. The prepared water plugging agent can be used for plugging water from producing layers during the production process and plugging water during the water injection and profile control process.