30results about How to "Controllable operation" patented technology

The invention discloses a cross-flow mixed coal pyrolysis method and a pyrolysis device, adopting a longitudinal multi-layer gas distribution and multi-layer gas collection structure, combining gas-solid two-phase cross-flow and counter-flow, and realizing uniform heat exchange and primary dust reduction at the same time , for the dusty and oily high-temperature gas produced by pyrolysis, make it contact with the medium-temperature material in the dry distillation transition section for heat exchange to achieve the purpose of secondary dust removal, and condense a part of the heavy tar, which is brought into the dry distillation section by dry coal for secondary Secondary pyrolysis, the gas precipitated by the pyrolysis device has the characteristics of moderate temperature, low dust content and high light oil content, which significantly reduces the workload and equipment investment of the gas purification system, and improves the quality of gas and tar products.

The invention discloses vacuum type yarn steaming forming equipment which mainly comprises a box, a water ring vacuum pump, a box door and a water tank. A water level meter and a heating pipe are arranged in the water tank. A water inlet pipe and a water outlet pipe are arranged on the lateral wall of the box. A suction pipe is arranged in the box. A filter cover is disposed on the suction pipe. A pressure gauge and a surface temperature meter are further disposed on the surface of the top end of the box. The invention further provides an application method of the vacuum type yarn steaming forming equipment. The method includes: sequentially performing preheating, vacuumizing, heating, standing thermal insulation, secondary vacuumizing, heating and thermal insulation on the box. The vacuum type yarn steaming forming equipment has the advantages that the equipment is simple in structure, low in manufacturing cost, low in energy consumption, high in controllability and good in thermal insulation performance, water inlet amount, humidity and temperature change can be well adjusted, mildew and off-shade of the yarn processed by the equipment are avoided, yarn damage is avoided, condensing spots are avoided, processing time is short, yarn weight loss is compensated, and yarn quality is improved.

The invention relates to a system for synthesizing silicon nitride by a fluidized bed reactor. The system comprises the fluidized bed reactor, a nitrogen supply unit and a silicon powder supply unit, the fluidized bed reactor comprises a shell, a lower cavity of the shell is used for performing nitridation reaction for nitrogen and silicon powder under the fluidization condition, an air supply opening and a material supply opening are formed in the shell wall of the bottom of the shell, the nitrogen supply unit comprises a heating device for heating the nitrogen, an air outlet of the heating device is connected with the air supply opening, the silicon powder supply unit comprises a feeding barrel and a Venturi charging device, the feeding barrel is used for containing the silicon powder, a discharging port of the feeding barrel is connected with a powder inlet of the Venturi charging device, a discharging port of the Venturi charging device is connected with the material supply opening, and a discharging port in the top of the shell is connected with a cyclone separator for recovering synthesized silicon nitride. According to the system, the silicon powder and the nitrogen react under the fluidization condition, the synthesized Si3N4 cannot aggregate and cake, and continuous production of the Si3N4 can be achieved.

The invention belongs to the technical field of environment protection, particularly relating to a method for removing nitrite ions. The method comprises the following steps: adding nitrified crude containing the nitrite ions into water to be fully stirred, or adding waste water containing the nitrite ions into water to be fully stirred; measuring the content of nitrous acid and nitric acid in an aqueous phase layer or waste water; and adding sulfamic acid into the aqueous phase layer or the waste water to cause the molar ratio of total amount of nitrous acid and nitric acid to sulfamic acid to be 1:1-1.5, wherein stirring time is at least 0.5 hour. The method breaks the nitrite ions generated by nitrification, neutralization and washing with sulfonamides so as to solve the technical problems that the original neutralization-urea washing-rinsing technology has high nitrite ion content in nitrate and can not reach the requirements of products, and waste water amount generated by multiple washing is large, is easy to pollute environment and the like.

The invention discloses a microfluidic chip for detecting blood related proteins of Alzheimer's disease accompanied by depression and a preparation method and application thereof. The microfluidic chip aims at the deficiencies of existing detection methods, and the microfluidic chip comprises a white blood cell filter pool, a red blood cell filter pool and a platelet filter pool. The microfluidicchip can be used to directly test a blood sample without the need of blood centrifuging to obtain serum for detection. In addition, by setting an independent microfluidic detection unit, detected related proteins do not interfere with each other. At the same time, a magnetic control valve is arranged in the chip, and the synchronization and automation of the detection can be realized by controlling a switch of an electromagnetic conversion instrument. The microfluidic chip has the advantages such as simple sample processing, short detection time, low price, controllable operation, and automatic detection.

The invention discloses a circulating water filter. The circulating water filter comprises a first quick coupling, a water pump, a filter and a second quick coupling, which are connected in sequence through a pipeline, wherein the filter comprises a relatively closed shell, a cylinder which is pivoted in the shell and a plurality of spiral strips which are spirally coiled on the cylinder; a filter inlet and a filter outlet are formed in the side wall of the shell; the filter inlet and the filter outlet are coaxial; the filter inlet is communicated with the water pump; the filter outlet is communicated with the second quick coupling; a drain outlet which is connected with a drain pipe is formed in the bottom wall of the shell; a first electromagnetic valve is arranged on the drain pipe; a conductometer which is used for detecting the conductivity of the water in the shell is arranged on the side wall of the shell on one side of the drain outlet; the conductometer is in communication connection with the first electromagnetic valve. The circulating water filter is easy to maintain and strong in filter capability.

The invention discloses a connector crimping device, comprising: a pressing mechanism, which provides a pressing force within a set stroke, and the pressing mechanism is provided with a pressing moving part; The thickness is set to the corresponding stroke of the pressing mechanism; the crimping mechanism includes an upper crimping needle block and a lower fixing seat, the lower end of the upper crimping needle block is provided with a pressing needle, and the upper crimping needle block It is arranged at the lower end of the press-down moving part, and is used for driving the press-down moving part to pass through the fixing pin on the connector of the board card positioned on the lower fixing seat below the pressing pin Make a crimp. The invention can well meet the requirements of the same equipment for crimping connectors of various specifications, and at the same time can realize semi-automatic and controllable operation, and has very high consistency and traceability.

The invention provides a livestock and poultry breeding solid-liquid separation excrement cleaning device. The livestock and poultry breeding solid-liquid separation excrement cleaning device comprises an annular excrement collecting box; an excrement scraping plate is installed in the annular excrement collecting box; the excrement scraping plate is directly connected with a power driving mechanism or is connected with the power driving mechanism through a connecting piece; the excrement scraping plate is driven by the power driving mechanism to rotate around the annular excrement collecting box; the bottom plate of the annular excrement collecting box is an inclined plate; the lowest point of the inclined plate is located at the middle of the bottom plate; an urine discharging opening is formed at the middle of the bottom plate; and a solid excrement outlet is formed at the bottom plate of the annular excrement collecting box. According to the livestock and poultry breeding solid-liquid separation excrement cleaning device of the invention, after excrement falls into the annular excrement collecting box, solid-liquid separation of the excrement can be realized; solid excrement and liquid excrement are separately collected through different pipelines; the solid excrement is directly treated and is packaged; and the liquid can be adopted as secondary water after being purified; and therefore, excrement treatment procedures can be decreased, and treatment cost can be decreased, and underground space can be greatly saved. The livestock and poultry breeding solid-liquid separation excrement cleaning device of the invention is reasonable in integral design. The driving mechanism is arranged on the excrement scraping plate. The livestock and poultry breeding solid-liquid separation excrement cleaning device is especially suitable for annular comprehensive cultivation buildings and can realize fast and convenient solid-liquid separation treatment.

The invention discloses and provides a device for curing and flattening a glue-free soft plate material, which has the advantages of simple structure, reduction in production cost and superior flatness of a manufactured product, and provides a method for curing and flattening a glue-free soft plate material by applying the device. The device comprises a rewinding machine and a metal heat-conducting plate (1), wherein steel belts (2) are arranged at the two ends of the lower surface of the metal heat-conducting plate (1), and are provided with fine holes (3); in a production process, a soft plate material (4) is attached to the upper surface of the metal heat-conducting plate (1); the metal heat-conducting plate (1) and the soft plate material (4) are tightly coiled on a steel pipe (5) of the rewinding machine for curing; and in a curing process, the soft plate material (4) is always attached to the metal heat-conducting plate (1), and is limited from moving through the metal heat-conducting plate (1), so that flatness is achieved. The device is applied in the field of material flattening.

The invention discloses a method for rapidly preventing pickling lacking defects. The method comprises the technological step that a pickling inlet injection flow rate and a pickling outlet injection flow rate are adjusted according to calculation results of a formula I and a formula II of the pickling lacking defects which occur in the pickling process. According to the method, by increasing the acid liquor turbulence intensity, the pickling capacity of a pickling unit is rapidly improved, the quality of pickled products can be effectively guaranteed at the same time that pickling technology parameters are not greatly added, and the method is particularly suitable for a shallow channel type hydrochloric acid pickling unit. According to the method, the problem that when the pickling lacking defects occur in a conventional technology, the speed needs to be decreased, and the yield is affected is avoided, and meanwhile the situation that pickling parameters are subjected to manual intervention basically disappear; and the method has the advantages that the technology is simple, operation is easy to control, energy saving is achieved, and the effect is good, and the product quality is effectively improved at the same time of ensuring the production speed.

The invention discloses a dyestripping method. The dyestripping method is characterized in that film edges are separated from a substrate attached with the film edges; and a first fixture is used to clamp the film edges, and the first fixture is moved to gradually separate the film from the substrate attached with the film until the film and the substrate attached with the film are completely separated. The invention provides a novel dyestripping method which is as follows: a mechanical device is used for dyestripping in no need of using consumption materials such as tapes or films and the like, thereby reducing the use of consumable articles and effectively reducing the cost; and a dyestripping device can be recycled, thereby saving the cost of dyestripping. In the dyestripping device, dyestripping operation is simple and practicable, the success rate is high, the film on a wafer can be safely torn, thus the phenomenon that the tape can not be adhered with the film so that the film can not be torn is not occur; in the process of dyestripping, the operation of parts in the dyestripping device is easy to control, the precision is easy to handle, and the wafer can not be touched by the dyestripping device, thereby effectively avoiding the wafer is damaged and ensuring the safety of the wafer; and the dyestripping process is safe and reliable.