62results about How to "Stable metering" patented technology

The invention relates to the technical field of petroleum drilling airtight drilling technologies, in particular to a system for removing hydrogen sulfide from drilling fluid, and the system is applicable to drilling operation for sulfur formations. The system for removing hydrogen sulfide from drilling fluid is characterized by comprising a system inlet, a high-speed hydrocyclone, a heating system, a mixing mechanism, a jetting mechanism, a separating tank, a vacuum system, a data monitor and collection system, a sulfur removal agent filling system, a centralized control system and a fluid drainage system. The hydrogen sulfide gas in the drilling fluid can be separated from hydrolyzed hydrogen sulfide in a completely airtight environment, the situation that hydrogen sulfide gas in the drilling fluid is volatilized in air at a conventional solid control system to cause harm to workers and damage to the environment can be avoided, and the requirement for safety of the drilling operation for the sulfur formations is met.

A Mersenne-Cassegrain telescope provided in a single block of glass in which opposed parabolic elements are precision milled through diamond turning of a glass boule, with the magnification power of the telescope determined by the differences in focal length between the two parabolas. The result is a volumetrically small telescope with pre-aligned surfaces that are maintained by the structural rigidity of the glass itself and in which thermal coefficients of expansion, vibration and the like have no effect due to the single glass element structure.

The invention provides a rotary dry powder packing machine which comprises a rack, wherein a rotating shaft is rotatably mounted on the rack, a rotating cylinder is fixedly mounted on the rotating shaft, a plurality of annularly distributed packing devices are arranged uniformly at the bottom of the rotating cylinder, each packing device comprises a bag insertion starting device used for starting the whole set of the packing device after bag insertion, an automatic metering device used for weighing a packing bag, a sealing device used for sealing a discharge rubber tube after the last packing bag is packed, an automatic bag dropping return device used for automatically dropping the packing bag after the packing bag is packed, and a dust collection device used for processing the raised dust leaking from a dust discharge nozzle of the automatic bag dropping return device, and the bag insertion starting device, the automatic metering device, the sealing device and the automatic bag dropping return device are all electrically connected with a control system of the rotary dry powder packing machine. The rotary dry powder packing machine achieves automated packing production, is simple in operation and accurate in metering, simplifies the operation process, and also improves the production capacity and the working efficiency.

The invention provides an electric-mechanical-well well-electricity-dual-control-type intelligent water distribution control device and method. The control device comprises a control unit, a water meter, an electricity meter, a breaker, a wireless transmission module and a control chamber. The control unit is used for identifying whether card swiping is valid or not and connected with the breaker. The breaker is connected with a user electric-mechanical-well starting box, and the control unit and a watt hour meter are connected with the user electric-mechanical-well starting box to be used for detecting the water outlet amount and the electricity amount; the wireless transmission module is used for transmitting the information of the water amount and the electricity information and receiving a correlation instruction signal of the control chamber; the control chamber receives data detected by the control unit and the electricity meter and judges the data proportions of the water outlet amount and the electricity amount; the control chamber is connected with the wireless transmission module and sends an instruction to the control unit to control the breaker to be started or stopped according to whether the data proportions of the water outlet amount and the electricity amount are matched or not.

The invention discloses a green sand box casting production line. A box feeding mechanical arm and a box discharging mechanical arm are mounted on the two sides of a box molding machine, a sand box enters the box molding machine after being opened, and a box closing mechanical arm is mounted above a box closing conveying chain. A sand box transfer mechanical arm and a sand box online mechanical arm are mounted on the outer side of the box discharging end of the box closing conveying chain, the movement track of the sand box transfer mechanical arm is parallel to that of the sand box online mechanical arm, the tail end of the sand box transfer mechanical arm corresponds to the box feeding end of a sand box storage chain, and the tail end of the sand box online mechanical arm corresponds to the box feeding end of a rectangular casting guide rail. Casting machines are arranged on the two longitudinal sides of the casting guide rail correspondingly. The sand box storage chain is parallel to the casting guide rail in the longitudinal direction. A cooling mold frame box feeding mechanical arm is mounted between the box discharging end of the casting guide rail and the box feeding side of a cooling mold frame, a cooling mold frame box discharging mechanical arm is mounted on the box discharging side of the cooling mold frame, the lower portion of the tail end of the movement track of the cooling mold frame box discharging mechanical arm corresponds to a box separation workbench, the box separation workbench corresponds to the box feeding end of a box opening conveying chain, and a box opening and clearing mechanical arm is mounted above the box separation workbench and the box opening conveying chain.

The invention discloses a central shaft sleeve of a viscosity meter. The central shaft sleeve of the viscosity meter is formed by connection of left, middle and right shaft seats, a connection base and a cylinder, wherein the right shaft seat is cylindrical; the middle shaft seat is located on the left side of the right shaft seat and is cylindrical; a right round surface of the middle shaft seat is connected with a left round surface of the right shaft seat in a mixed manner; the left shaft seat is located on the left side of the middle shaft seat and is cylindrical; a right round surface of the left shaft seat is connected with a left round surface of the middle shaft seat in a mixed manner; the connection base is located on the left side of the left shaft seat and is cylindrical; a right round surface of the connection base is connected with a left round surface of the left shaft seat in a mixed manner; the cylinder is located on the left side of the connection base and is cylindrical; a right round surface of the cylinder is connected with a left round surface of the connection base in a mixed manner; and a transverse through hole is drilled rightwards in the middle of a left round surface of the cylinder.

The invention discloses a rotating shaft bracket of a viscosity meter. The rotating shaft bracket comprises a shaft body formed by connection of a square shaft seat and a round shaft seat, wherein the round shaft seat penetrates through the upper part of the square shaft seat, left and right cylinders are exposed, and a middle cylinder of the round shaft seat is connected with the upper part of the square shaft seat; a round through hole is drilled leftwards in the middle of a right round surface of the round shaft seat and is concentric with right and left round surfaces of the round shaft seat; an upper hole drilled backwards in the upper-middle part of a front surface of the square shaft seat is a through hole, and an upper surface of the upper hole is an arc-shaped surface; a lower surface of the square shaft seat is turned into an arc-shaped lower surface; a layer is cut down from each of lower parts of front and rear surfaces of the square shaft seat, a left-viewed profile of a middle thin layer is trapezoid, and a lower surface of the middle thin layer is connected with the arc-shaped lower surface of the square shaft seat in a matched manner; a left threaded hole drilled backwards in the left part of the front surface of the square shaft seat is a through hole; an upper threaded hole drilled downwards in the left part of an upper surface of the square shaft seat is communicated with the round through hole; a cover is cut transversely at the upper part of the square shaft seat; and the middle of the cover comprises a top hole of the upper hole.

The invention provides a gas exhausting test method and system for a gas-containing well of salt cavern gas storage. The gas exhausting test system for the gas-containing well of the salt cavern gas storage includes a casing installed in the gas-containing well and a casing shoe installed at the bottom end of the casing, and further comprises a brine tank, a central tube and a closed tank which successively communicate by a pipeline. The central tube is coaxially installed in the casing and the lower end of the central tube stretches out of the casing. The closed tank is a sealed tank which communicates with an open opening tank through a pipeline. A communication pipeline of the closed tank and the central tube communicates with a fine pipeline in parallel, the fine pipeline is provided with a gas-exhausting controlling valve. The closed tank further communicates with a U-shaped pipe used for gas exhausting, and the other end of the U-shaped pipe is an unloading treatment end;a flow meter is installed on the U-shaped pipe. The gas exhausting test system for the gas-containing well of the salt cavern gas storage can be used for judgingwhether mechanical integrity test can be conducted on the gas-containing well of the salt cavern gas storage or not.

The invention discloses an agate base of a viscosity meter. The agate base is formed by mixed connection of a base, a first supporting base, a second supporting base and a stand, wherein the base is cylindrical; the first supporting base is located above the base and is cylindrical; a lower round surface of the first supporting base is connected with an upper round surface of the base in a mixed manner; the second supporting base is cylindrical; a lower round surface of the second supporting base is connected with an upper round surface of the first supporting base in a mixed manner; the stand is located above the second supporting base and is cylindrical; a lower round surface of the stand is connected with an upper round surface of the second supporting base in a mixed manner; a circumferential edge of an upper round surface of the stand is turned to form a circle of chamfer angle of 45 degrees; an upper round hole is drilled downwards in the middle of the upper round surface of the stand; a lower round hole is drilled upwards in the middle of a lower round surface of the base; and the lower round hole is communicated with the upper round hole.

The invention discloses a feeding system. The feeding system comprises a feeding device; the feeding device comprises a material cylinder; in the material cylinder, a plurality of separating plates are arranged along the vertical direction at intervals; an accommodation space is formed between each pair of adjacent separating plates; stirring assemblies are arranged in the accommodation spaces; each separating plate is provided with an opening; the bottom of the feeding device is provided with a powder blanking port; the feeding system also comprises a first sealing member which is arranged between the lowest separating plate and the stirring assembly in the lowest accommodation space, and a second sealing member which is arranged between the bottom plate of the material cylinder and the stirring assembly in the lowest accommodation space. The feeding system is capable of solving problems in the prior art that feeding stability is easily influenced by downstream gas pressure fluctuation, feeding metering precision is low, material running and material impacting are caused.