8results about How to "Save steps" patented technology

The utility model relates to the technical fields of kit, put forward a kind of mRNA in vitro transcription kit, kit inside is separated into storage cavity and refrigeration cavity by partition, the refrigeration cavity inside is equipped with refrigeration device, the storage cavity inside includes the support seat fixed in the upper portion of partition, rotatable connection has the rotating shaft of vertical arrangement on the support seat, the top of rotating shaft coaxially is fixed with the rack for placing reagent tube for placing, driving hole is opened along the axis in the rack, the driving hole passes through rotating shaft and extends to the inside of support seat, spiral rod is passed in the inside of driving hole, the driving hole is located on the inner wall of rack and is opened with the spiral groove of the appearance matching of spiral rod. The utility model has the beneficial effects that: using spiral rod and refrigeration device, RNA polymerase can be centrifuged in kit, wait for use, do not need to take reagent out of box again, reduce the risk of temperature rise enzyme activity decline.

The present application relates to the technical field of cracking gas compressor control, and is a control method and device based on series cracking gas compressors of an ethylene device; after being connected in series, the first compressor is divided into three sections, the second compressor is divided into two sections, and the two sections are driven by two motors to compress the cracking gas in five sections; after receiving the main controller signal and the compression first section inlet pressure signal, the first load distribution controller controls the rotating speed of the first compressor; after receiving the main controller signal and the compression fourth section inlet pressure signal, the second load distribution controller controls the rotating speed of the second compressor. The present application uses two motor drives to replace the original turbine drive compressor, and through the cooperation of the main controller, the first load distribution controller and the second load distribution controller, the compression control of the cracking gas is realized, the carbon dioxide emission is greatly reduced, the environmental pollution and the fire explosion accidents caused by the steam material external leakage are eliminated, the adjustment is more intuitive and convenient, and the start-up and shutdown time and steps are greatly saved.

The present application is to overcome the problem of the layout of the drawing view generated by the prior art TEKLA being relatively messy and having a large gap with the manufacturing requirements, and provides a fast drawing design method and plug-in based on the secondary development of TEKLA, which realizes the fast arrangement of the view on the drawing, greatly saves the time of the view layout of the drawing, improves the efficiency of drawing, and lays a good foundation for the subsequent design and manufacturing. In order to achieve the above purpose, the present application adopts the following technical scheme: reading a drawing file; obtaining the information of the drawing and all views thereof; dividing the drawing into regions; sorting the views; and modifying the positions of the sorted views. The secondary development will interact with the user through the windows form interface, and the user can realize the automatic arrangement of the drawing view by clicking the buttons of the windows form interface, without manually arranging the drawing, thereby reducing the time of the user to modify the drawing and greatly improving the drawing efficiency.

The invention discloses a research and development verification device for large-flow exhaust emission control, which comprises the following components: ventilation equipment, an air flow meter, heating equipment, a pressure sensor, a temperature sensor, an electric control PLC (Programmable Logic Controller) and a urea injection device, the ventilation equipment is connected with the heating equipment through an air inlet pipe I; an air flow meter is arranged at the middle section of the air inlet pipe I; a temperature sensor and a pressure sensor are arranged in the middle section of the air outlet pipe, and the tail section of the air outlet pipe is connected with a urea spraying device; and the ventilation equipment, the air flow meter, the heating equipment, the pressure sensor, the temperature sensor and the urea spraying device are respectively connected with the electric control PLC. Ventilation of the ventilation equipment is used for replacing exhaust gas of an internal combustion engine, an engine pedestal is not needed, fuel oil is not combusted, exhaust gas is not discharged, the environment is not polluted, the cost is greatly saved, all the components are connected into the electric control PLC, different working conditions can be monitored, adjusted and simulated in real time, the operation efficiency is improved, and time, steps and sites are saved.

The utility model discloses a research and development verification device for large-flow exhaust emission control, which comprises the following components: ventilation equipment, an air flow meter, heating equipment, a pressure sensor, a temperature sensor, an electric control PLC (Programmable Logic Controller) and a urea injection device, the ventilation equipment is connected with the heating equipment through an air inlet pipe I; an air flow meter is arranged at the middle section of the air inlet pipe I; a temperature sensor and a pressure sensor are arranged in the middle section of the air outlet pipe, and the tail section of the air outlet pipe is connected with a urea spraying device; and the ventilation equipment, the air flow meter, the heating equipment, the pressure sensor, the temperature sensor and the urea spraying device are respectively connected with the electric control PLC. Ventilation of the ventilation equipment is used for replacing exhaust gas of an internal combustion engine, an engine pedestal is not needed, fuel oil is not combusted, exhaust gas is not discharged, the environment is not polluted, the cost is greatly saved, all the components are connected into the electric control PLC, different working conditions can be monitored, adjusted and simulated in real time, the operation efficiency is improved, and time, steps and sites are saved.

The utility model discloses a transistor fixing seat, which belongs to the technical field of crystal element installation and comprises a main board, a first crystal element and a second crystal element are respectively installed at symmetrical positions on the main board, and pins at the lower ends of the first crystal element and the second crystal element are inserted into the main board. The surface of the first crystal element and the surface of the second crystal element are each provided with a positioning assembly which is used for preventing the first crystal element and the second crystal element from inclining and is convenient to disassemble and assemble, and the first crystal element and the second crystal element can be conveniently disassembled and assembled on the main board through the arranged positioning assemblies. And meanwhile, the first crystal element and the second crystal element are prevented from inclining, and the mounting fixity of the first crystal element and the second crystal element is enhanced, so that the manufacturing efficiency of the first crystal element and the second crystal element is improved.

The utility model discloses an inductance testing machine which comprises a machine frame, a first carrying mechanism, a second carrying mechanism, a conveyor, a first testing station, a second testing station, a first NG station and a second NG station, and the conveyor, the first testing station, the first NG station and the second testing station are sequentially arranged in the linear direction. The second NG station is located on one side of the second testing station, the first carrying mechanism and the second carrying mechanism are located on the two sides of the rack respectively, the first carrying mechanism is responsible for movement of the inductance products on the testing stations, the second carrying mechanism is responsible for tray arrangement of the inductance products, and a tray arrangement mechanism is arranged below the second carrying mechanism. And a test instrument is arranged behind the second carrying mechanism. The inductance testing machine can automatically detect inductance products twice, rejects NG products from each detection, reduces the detection process of the NG products, has the tray placing capability, saves resources and steps, and improves the production efficiency.

The vehicle-mounted photovoltaic module decoration cover assembly comprises a front decoration plate, a rear decoration plate and two side decoration plates, and the two ends of the side decoration plates are connected with the front decoration plate and the rear decoration plate respectively; the front decoration plate and the rear decoration plate are connected through the two side decoration plates to form a square frame structure, the vehicle-mounted photovoltaic module decoration cover assembly is high in assembling work convenience, the assembling efficiency is improved, and the overall structural strength is reliable.