30results about How to "Easy load adjustment" patented technology

The invention relates to a gas liquefying process for mixed refrigerant, which comprises the following steps: providing the mixed refrigerant which comprises the following components in percentage by mole: 5 to 10 percent of nitrogen, 30 to 40 percent of methane, 5 to 10 percent of ethylene, and 45 to 60 percent of propane; feeding the mixed refrigerant to a single refrigerant circulating system to carry out closed cycle to produce cold energy required by cooling gas; and exchanging heat of the gas needing to be liquefied and the refrigerant circulating system through a gas liquefying system so that the gas is cooled and liquefied. The process flow is simple, the components of the refrigerant are reasonable, and a liquefying device has the advantages of safe and reliable operation, simplework, flexible load adjustment and low energy consumption.

The invention relates to a hydraulically loaded machine-liquid mixed flow test platform and application thereof. The test platform is capable of realizing performance testing of a hydraulic transmission unit in a hydraulic mechanical buncher and efficiency detection of a variable speed device. On the basis of simulation of the actual working conditions and working conditions, the test platform iscapable of testing and analyzing the structure and performances and service lives of parts of the hydraulic mechanical buncher product, thereby realizing the optimal allocation proportion of the mechanical flow to the hydraulic flow in the composite transmission. Meanwhile, the reliable scientific basis is provided for evaluating the product design and quality; the product development cycle is reduced; and the product quality is improved. According to the invention, the test platform employs a hydraulic loading system; the manufacturing cost is low; and the maintenance becomes convenient. Thetest efficiency is high in testing; the load adjustment becomes convenient and stable. With the closed-loop speed control of the rotating speed, the stability of rotating speed testing is high. The test platform has a reasonable structural design and has advantages of simpleness, high reliability, safe operation and saved cost.

The invention relates to a method for synthesizing ethylene glycol and co-producing LNG by using coke oven gas, converter gas and blast furnace gas, which belongs to the field of chemical technology. Compression treatment, and then rough desulfurization; remove impurities from coke oven gas after desulfurization treatment; compress, finely desulfurize and remove O 2 ; Then the gas passes through the amine method to CO 2 The gas is removed; finally, the product LNG is separated by cryogenic cooling, and H is separated at the same time. 2 and rich CO, then for H 2 Purify; secondly, dedust and detar the converter and blast furnace gas; perform compression and impurity removal, and desulfurize and remove O 2 , then CO on the gas 2 Removal treatment; combine the purified gas with the CO-enriched gas to purify the CO gas, and finally synthesize the purified CO through an esterification-carbonylation cycle to produce DMO, and DMO and purified hydrogen to produce ethylene glycol; the first application of the present invention in the synthesis of ethylene glycol technology.

The invention discloses an efficient steam boiler for gasification and combined combustion of pulverized coal, comprising a blast blower, a pulverized coal bunker, a pulverized coal transmission pipe, a combustion chamber, a gasification chamber, a hearth, a horizontal flue, a steam superheater, a tail shaft and a boiler support, wherein the blast blower is connected with the pulverized coal bunker, and connected with the gasification chamber through the pulverized coal transmission pipe; a combustor is connected with the gasification chamber; the gasification chamber, the hearth, the horizontal flue and the tail shaft are connected in order, and arranged on the boiler support to form an inversed U shape; a non-combustion zone is arranged above the joint of the hearth and the gasification chamber; the hearth is provided with a jet flow air inlet and a secondary air inlet at the bottom; the outlet of the non-combustion zone is provided with a tertiary air inlet; the steam superheater is arranged in the horizontal flue; and the tail shaft is internally provided with a coal economizer and an air preheater. The efficient steam boiler for gasification and combined combustion of pulverized coal disclosed by the invention saves space, reduces dust emission, realizes gasified transmission, and stabilizes combustion; and the burn-off rate of the pulverized coal is above 99%, and the heat efficiency is above 93%.

The invention discloses a ball screw servo loading test device based on a hydraulic servo system. The whole device has a vertical structure. A landing base is fixed on a pedestal or the ground, and a bottom plate is fixed on the landing base. Four supporting steel pipes are vertically fixed in the four corners of the bottom plate. An installing base is fixed at the upper ends of the four supporting steel pipes. A motor and a rotating speed torque sensor are installed on two of the supporting steel pipes. A rotating speed torque sensor shaft is respectively connected with a motor and a ball screw shaft. The nut of a ball screw is fixedly connected with a nut sleeve. The nut sleeve is installed in a rotation-limiting supporting base. The nut sleeve is connected with an electro-hydraulic servo actuator via an actuator connection plate. Active loading can be performed on the ball screw so that load adjustment is convenient, simulation of the working conditions of varied loads can be realized, the loads can be displayed and controlled in real time, and performance testing of the ball screw can also be performed.

The invention provides a quality control system for a storage tank ammonium nitrate aqueous solution, comprising a storage tank, the upper part of the storage tank is provided with a filter, and the filter communicates with the top of the storage tank through a pipeline; the inside of the storage tank is respectively equipped with Horizontally arranged air distributor and heating pipe, the air distributor is connected with the air compressor outside the storage tank through the first pipeline; the outlet end at the bottom of the storage tank is connected with a circulation pump, and the circulation delivery pump The outlet end communicates with the upper end of the storage tank through the second pipeline; the top end of the storage tank is connected with an acid-base tank for adjusting the pH value. This control system controls the concentration, PH value, combustion residue, and solution temperature indicators of the ammonium nitrate aqueous solution, so that it can fully meet the standard requirements or customer needs, and ensure its safe use.

The invention discloses a method for deoxidizing and finely desulfurizing a coke oven gas. The method comprises the following steps: (S1) heat exchanging and temperature rising; (S2) prehydrogenationconversion and first-stage hydrogenation conversion; (S3) first-stage desulfurization; (S4) secondary heat exchanging and temperature rising; (S5) second-stage hydrogenation conversion; (S6) second-stage fine desulfurization. According to the method for deoxidizing and finely desulfurizing the coke oven gas, disclosed by the invention, a two-stage coke oven gas hydrogenation deoxidization and finedesulfurization technology is adopted, most of organic sulfur in the coke oven gas can be converted into H2S by utilizing a first-stage hydrogenation deoxidization and desulfurization section, most of oxygen can be removed through hydrogenation, most of unsaturated hydrocarbon can be saturated through hydrogenation, and meanwhile, other impurities can be treated; the treated coke oven gas entersa second-stage hydrogenation deoxidization and fine desulfurization section, impurities of residual organic sulfur, unsaturated hydrocarbon, trace oxygen and the like can be subjected to secondary deep hydrogenation conversion and treatment, and deep purification of the coke oven gas can be realized.

The invention relates to a multipath magnetic circuit unit lamellar permanent-magnet linear oscillating motor comprising a stator part and a rotor part; the stator part comprises a tubular cavity and magnetic circuit units; the tubular cavity has outer surfaces in a regular polyhedron; the magnetic circuit units are arranged on the outer surfaces; each magnetic circuit unit comprises a middle magnetic conductor and two magnetic conductors, wherein the longitudinal section of the middle magnetic conductor is in an H shape, a column of the middle magnetic conductor is wound by a coil, the two magnetic conductors are arranged at both sides of the middle magnetic conductor, and a strip-shaped air gap is arranged between the middle magnetic conductor and each of the magnetic conductors; the rotor part comprises a plurality of lamellar permanent magnets and symmetrical type magnetic circuits, wherein the plurality of lamellar permanent magnets are vertically arranged on connecting pieces ina radial shape, are inserted into a rectangular hole positioned in the connecting piece positioned at one end of the tubular cavity and extend into a rectangular hole positioned in the connecting piece positioned at the other end of the tubular cavity; each magnetic circuit unit is positioned among the lamellar permanent magnets; the symmetrical type magnetic circuits are formed by symmetrically magnetizing the middle magnetic conductor and the magnetic conductors along the length direction of the middle magnetic conductor; the coil generates a magnetic field by being electrified with alternating current and forms a magnetic field with alternate positive and negative directions in the strip-shaped air gaps through the symmetrical type magnetic circuits; and the rotor does reciprocating oscillation motion along the length directions of the strip-shaped air gaps in the strip-shaped air gaps under the action of the magnetic field.