Sludge washing gun with multi-nozzle structure

The invention provides a sludge washing gun with a multi-nozzle structure, belongs to the technical field of rigid sludge gun washing for a secondary side tube plate of a steam generator, and specifically relates to a rigid sludge gun nozzle of a steam generator with triangularly arranged heat transfer tubes. Different nozzle blocks are driven by a transmission shaft on which a straight gear and a bevel gear are mounted, so that rotary outputs of a plurality of nozzle blocks at different angles are realized; the sludge washing gun with the multi-nozzle structure comprises nozzles, a rotating sleeve, a transmission gear, a rotary driving motor, a rotary output shaft, a rotary motor housing, a high-pressure housing, a seal ring and the like. High-pressure water passes through a water inlet which is formed in a side end face of the high-pressure housing and connected with each nozzle through a water tank; the rotary driving motor is mounted in the airtight space of the high-pressure housing ...

Point firearm durability testing equipment

The utility model discloses a point firearm durability testing equipment, comprises a workbench, the main control unit of setting in the workstation, the test jig of setting on the workstation, and with main control unit electric connection's discharge detection module, point firearm power supply, this main control unit linked computers, this test jig is provided with the receipt terminal, separate the empty thimble that corresponds with the receipt terminal, the input that some firearms that awaits measuring are connected to this firearm power supply output is in order to provide operating voltage, the output of some firearms that awaits measuring is connected to the input of this thimble, this discharge detection module and receipt terminal electric connection are in order to change ignition signal into the signal of importing main control unit, this check out test set can detect by automatic counter point firearm, a measurement personnel can carry out durability testing to a plurality ...

Agitator

The utility model provides an agitator, includes the puddler that connects with with the stirring leaf, also includes the casing, and step motor's output shaft and the one end that is located the screw rod of casing are connect with, are located the internal thread and screw rod threaded connection of slider through setting up of casing on it, and the stirring leaf that the casing was passed outer with being located the casing to the one end of puddler connects with, and the middle part and the slider of puddler connect with. Be provided with first quick clamping piece on the slider, the first quick clamping piece clips the middle part at the puddler. Also be provided with the quick clamping piece of second in the casing, the quick clamping piece of the second is located the next door of first quick clamping piece, and the quick clamping piece of second clips the middle part at the puddler. Also be provided with the locating piece in the casing, the quick clamping piece of second connects ...

Method and device for determining prestress value of anchor cable of anchored pile

The invention relates to a method and device for determining the prestress value of an anchor cable of an anchoring pile. The method comprises the steps that anchor cable design parameters of the anchoring pile are obtained; according to the anchor cable design parameters, the anti-slide pile internal force when the anchor cable prestress is not applied is calculated; initial prestress is sequentially selected from a preset prestress value range, and according to anchor cable design parameters and the anti-slide pile internal force when anchor cable prestress is not applied, anchor cable tension under the action of the initial prestress, and the anti-slide pile internal force and anchor cable displacement under the action of the anchor cable tension are calculated; according to the internal force of the slide-resistant pile and the displacement of the anchor cable under the action of the tension of each anchor cable, generating a slide pile internal force diagram under the action of the ...

Management method of production management system

Provided is a management method of a production management system. The production management system comprises a cloud side server, a production management notice board module, a bar code printing module, a technological document automatic management module, a bill tracking and shooting module and a data collecting module. The modules are managed and monitored in real time, production setting, order setting and production scheduling setting are carried out, the states of production lines are monitored in real time through software, the conditions of the production lines are displayed through an LED display screen in the production management spectacular module, detecting records are inquired, and report printing and quality tracking are carried out. According to the bar code printing module, when products are on the lines, the production lines of the products can automatically generate and print bar codes according to the production scheduling rule through the production management system ...

Local magnetic field compensation device, magnetic field compensation system and method

The invention relates to a local magnetic field compensation device, a magnetic field compensation system and a method. The local magnetic field compensation device comprises: at least one magnetic detector configured to measure a magnetic field in a space to be measured; and a compensation coil array arranged around the at least one magnetic detector, the compensation coil array comprising a plurality of compensation coils; wherein the compensation coil array is configured to receive a driving signal so as to generate a compensation magnetic field at the position where the at least one magnetic detector is located.

Chamber clean system is piled to reactor

The utility model discloses a chamber clean system is piled to reactor is including removing subassembly, impurity suction release subassembly, remove the subassembly including supporting mobile location mechanism, extension bar, it is on bridge in the chamber maintenance of reactor heap to support the mobile location establishment of institution to along this maintenance bridge extending direction sliding fit, the extension bar buckle is on supporting mobile location mechanism to support mobile location mechanism bridge extending direction's two horizontal directions should be maintained along maintenance bridge extending direction and perpendicular to and on sliding fit, impurity suction release subassembly includes immersible pump, collecting pipe, immersible pump upper end is connected with the extension bar lower extreme, is connected on lower extreme and the collecting pipe, the inside filter screen structure that is equipped with of collecting pipe for in the collecting pipe aquatic ...

Chinese medicinal composition for treating children's exogenous fever and preparation method thereof

The invention discloses a Chinese traditional medicine composition for treating child exteroceptive fever and a method for preparing the same. The Chinese traditional medicine composition is prepared from Chinese traditional medicines of radix scutellariae, honeysuckle, rhubarb, and the like, and has good curative effect of treating defensive Qi fever symptoms of child exteroceptive fever with the total effectiveness up to more than 91.3 percent. The oral liquid of the Chinese traditional medicine composition has remarkable defervescence effect which is stable.

Chinese medicinal composition for treating children fever caused by exogenous pathogens and preparation method thereof

The invention discloses a Chinese medicinal composition for treating children fever caused by exogenous pathogens and a preparation method thereof. The Chinese medicinal composition is prepared from baical skullcap root, honey suckle flower, rhubarb and other Chinese medicaments; the Chinese medicinal composition has good treatment effect on defensive Qi and heat pattern of children fever caused by exogenous pathogens; and the total effective rate of the Chinese medicinal composition reaches 91.3 percent. Oral liquid has remarkable and stable antifebrile effect.

Igniter performance testing system and method

The invention discloses an igniter performance testing system and a method. The system comprises a power supply module, an oscilloscope, a data acquisition module and an industrial control module. The method comprises high voltage testing, discharge pulse width testing and ignition energy testing. The invention is designed to overcome the deficiencies in the prior art and provide an igniter performance testing system capable of testing performances of igniter operating voltage, operating current, discharge distance, ignition voltage certify flag, discharge energy, discharge cycle, discharge pulse width, discharge frequency and the like. The invention is also designed to provide a method for applying the system to testing the igniter performances.

Automatic dismounting device for main bolt hole sealing plug of pressure container

The utility model relates to the technical field of nuclear power overhaul, and particularly discloses an automatic dismounting and mounting device for a sealing plug of a main bolt hole of a pressure container, which comprises a movable platform, a transfer mechanism, a gripping tool and a stock bin device, and is characterized in that the movable platform can move on a working flange surface of the main bolt hole of the pressure container along a fixed track; a transfer mechanism is arranged on the movable platform, a grabbing tool is arranged on the transfer mechanism, and the grabbing tool can grab a screw hole plug from a stock bin device arranged on the movable platform and move the screw hole plug into a main bolt hole to be installed. By using the device, the consistency of installation quality can be ensured, a large amount of personnel is prevented from bearing a higher irradiation dose, and meanwhile, the device is simple in structure, good in reliability and fast to install.

Electric machine winding

Automatic plug clamping device and pipe plugging device

The invention belongs to the technical field of nuclear power, and particularly relates to an automatic plug clamping device and a pipe plugging device. Through mutual cooperation of the support, the air cylinder, the pneumatic clamp, the multiple clamping jaws, the multiple plugs and the storage pipe, a certain number of plugs can be carried, after the plugs are installed at a time, the plugs can be automatically clamped on site, the next pipe plugging operation can be conveniently carried out nearby, and the work efficiency is improved. And repeated reciprocating motion of the lift truck between the pipe plugging position and the pipe orifice of the collecting pipe due to plug replacement is reduced, and the pipe plugging operation efficiency is improved.

Chinese medicinal composition for treating children's exogenous fever and preparation method thereof

The invention discloses a Chinese traditional medicine composition for treating child exteroceptive fever and a method for preparing the same. The Chinese traditional medicine composition is prepared from Chinese traditional medicines of radix scutellariae, honeysuckle, rhubarb, and the like, and has good curative effect of treating defensive Qi fever symptoms of child exteroceptive fever with the total effectiveness up to more than 91.3 percent. The oral liquid of the Chinese traditional medicine composition has remarkable defervescence effect which is stable.

Disinfection and sterilization box for severe clinical instruments

The disinfection and sterilization box comprises a sterilization box body, a drawer, a formaldehyde groove, a connecting block, an inlet, a limiting groove, a groove position, a ball valve, a spring, a floating block, a penetration opening, a lantern ring, a connecting pipe, a metering cup, a groove hole, a hole position, a torsion bar, a round block, a water level sensor, a containing block, a CPU processing box and an alarm. The formaldehyde tank with the alarm is simple in structure, the alarm is additionally arranged, so that automatic alarm is facilitated when formaldehyde in the formaldehyde tank is about to be used up, manpower is saved compared with traditional manual observation at any time, and meanwhile the formaldehyde tank is simple in structure and convenient for automatic reminding; meanwhile, the additionally-arranged ball valve automatically closes the top of the limiting groove when a user adds formaldehyde and reaches a designated point, and the formaldehyde cannot flow ...

Insulation method of insulated bearing device

Chinese medicinal composition for treating children fever caused by exogenous pathogens and preparation method thereof

The invention discloses a Chinese medicinal composition for treating children fever caused by exogenous pathogens and a preparation method thereof. The Chinese medicinal composition is prepared from baical skullcap root, honey suckle flower, rhubarb and other Chinese medicaments; the Chinese medicinal composition has good treatment effect on defensive Qi and heat pattern of children fever caused by exogenous pathogens; and the total effective rate of the Chinese medicinal composition reaches 91.3 percent. Oral liquid has remarkable and stable antifebrile effect.

Temperature controller life -span check out test set

The utility model discloses a temperature controller life -span check out test set, comprises a workbench, the main control unit of setting in the workstation, the setting is used for the anchor clamps of the fixed temperature controller that awaits measuring on the workstation, and respectively with main control unit electric connection's temperature controller break -make detection module, heating device, the heat sink, cold hot switch mechanism, the drive end jockey of this cold hot switch mechanism so that anchor clamps remove between heating device and heat sink, the output electric connection of this temperature controller break -make detection module and the temperature controller that awaits measuring will be in order will treat the measuring signal input that surveys the temperature controller to the main control unit in, this check out test set carries out the automatic life -span to the temperature controller and detects, a measurement personnel can carry out the life -span to ...

Primary side drying system of steam generator

The invention belongs to the technical field of steam generator drying, and particularly relates to a primary side drying system of a steam generator. The primary side drying system of the steam generator comprises a drying device used for importing heated gas to the steam generator and an air purifying device used for extracting and filtering waste gas generated by the steam generator. The primary side drying system solves the technical problem that the primary side drying system of the steam generator of the existing nuclear power station only has a drying function and has difficulty in extracting and filtering the waste gas generated by the steam generator. The primary side drying system not only has the drying function but also can be used for extracting and filtering the waste gas generated by the steam generator, and the filtered waste gas can be directly discharged to the atmosphere, so that the cost is reduced, and the efficiency is improved.

Underwater foreign matter fishing device

The invention provides an underwater foreign matter fishing device. The device comprises a supporting frame, and a submersible motor and a submersible pump which are arranged in the supporting frame, wherein one end of the submersible pump is connected with the submersible motor, and the other end of the submersible pump is connected with a collection pipe; the collection pipe comprises a connecting pipe and a collection port which are connected; a filter screen is arranged in the connecting pipe; the collection port is a straight collection port or a bent collection port. According to the device, the submersible pump, an underwater vacuum dust collection technology and a purification technology are combined to be applied to removing underwater foreign matters of nuclear power facilities, and both fishing and collection of the foreign matters are finished underwater. The device is suitable for removing the foreign matters (diameter of 0.1-40 mm and weight of less than or equal to 1 kg) ...

Temperature controller performance check out test set

The utility model discloses a temperature controller performance check out test set, including the temperature control box, master control system, and with master control system electric connection's heating device, the temperature probe, temperature controller break -make detection module, this temperature control box is used for placing the temperature controller that awaits measuring, this heating device is used for heating in the temperature control box, this temperature controller break -make detection module connects during the temperature controller that awaits measuring inputs master control system with the switching signal of the temperature controller output of will awaiting measuring, this temperature probe detects the interior temperature of temperature control box, this check out test set can once only detect a plurality of temperature controllers, and detect the temperature controller automatically, measurement personnel only needs simply to the disconnection, closed temperature ...

Skimming device for purifying surface of reactor core pool

The invention belongs to the technical field of purification of water in a nuclear reactor core pool, and in particular relates to a skimming device for purifying the surface of the reactor core pool. The overall shape of the skimming device is triangular, and the skimming device is composed of inner buoys and outer buoys, wherein the relative position slippage between the inner buoys and the outer buoys is realized by mechanical support rods. The skimming device concretely comprises three inner buoys, three outer buoys and corresponding support structures. Under the buoyancy action of the inner buoys and the outer buoys, the skimming device floats on the surface of the pool, an upper barrel body sinks into water, a suction pump pumps and filters the water through a suction bent pipe and discharges the water into the pool; the upper barrel body is of a center perforated cylindrical structure mounted at the center position of the skimming device, and a lower barrel body is of a center perforated ...

Coil receiving clamp

本实用新型公开了一种线圈收料夹具，包括驱动装置、安装架、机械爪和同步器，安装架设置于驱动装置上，安装架上设置有若干个机械爪，同步器设置于所有机械爪之间，从而带动所有机械爪运动，调节每个机械爪之间的距离，使用时，所有机械爪相距的最大距离即线圈从产线上下料时的间隔，从而一次性对多个线圈进行夹取，然后同步器带动机械爪移动，使每个机械爪之间的距离最小，此时相邻的两个机械爪之间的距离就是将线圈放至于料盘上的距离，驱动装置带动安装架移动至料盘上，然后机械爪松开，完成下料。通过本方式，使线圈之间的距离有效的从产线上的距离调节为放置于料盘上的距离，通过一个夹具可以同步对多个产品进行夹取并调整距离，效率更高。