10results about How to "Does not affect normal production" patented technology

The present application belongs to the technical field of contaminated site remediation and environmental engineering, and relates to a construction method and application of a green bioremediation system for bisphenol A in a production enterprise site. The present application provides a construction method of a green bioremediation system for bisphenol A in a production enterprise site, and the construction method comprises the following steps: S1, BPA degrading bacteria screening and culture; S2, micro-nano biochar preparation; S3, bacteria-carbon immobilization; S4, bioremediation system construction; the BPA degrading bacteria are Acinetobacter baumannii A1449.The present application can realize efficient remediation of BPA in soil and water.

The utility model provides a tubular heating furnace burner assembly with an automatic ignition function, which comprises a main control panel and a plurality of groups of burners, the main control panel is provided with a plurality of groups of burner control and display components, and each group of burner control and display component is respectively connected with the corresponding burner; and each group of combustors comprises a pulse igniter, a thermocouple electromagnetic valve, an ignition probe and a combustor nozzle. After an ignition switch is started, a pulse igniter discharges, an ignition probe forms electric sparks near a burner nozzle, meanwhile, a fuel gas adjusting valve is opened, and ignition can be completed, so that the ignition time is saved, the one-time ignition success rate is increased, and the stability of technological parameters of a heating furnace is guaranteed; fluctuation of technological parameters such as flow, temperature and pressure of a heating furnace system caused by long-time unsuccessful ignition is avoided, and unqualified product quality of the device is influenced. By adding the thermocouple induction needle, the thermocouple electromagnetic valve can be cut off immediately when the heating furnace flames out, and safe and stable operation of the device is protected.

The utility model belongs to the technical field of solar cell manufacturing equipment, and particularly relates to a semi-closed slurry scraping device which comprises a slurry tank, a stirring mechanism and a scraper mechanism which are communicated in sequence, and the stirring mechanism comprises a stirring pump, a stirring tank connected with the stirring pump and a branch pipeline connected with a discharge port of the stirring tank. The stirring tank is provided with a feed port and at least one discharge port, the feed port is communicated with the slurry tank through a main pipeline, and the discharge port is communicated with an inner cavity of the scraper mechanism through a branch pipeline; the upper portion of the slurry tank is connected with an air pressure system through an air pipe, the scraper mechanism is further provided with a one-way injection port, and part of slurry entering the scraper mechanism flows back into the stirring tank through the one-way injection port. Through the arrangement of the stirring pump and the one-way injection port, circulating slurry supply is achieved, slurry blockage is avoided, meanwhile, the slurry is stirred through the stirring pump, the components and viscosity of the slurry are uniform, and the printing quality is improved.

This utility model relates to the field of structural modification of buildings, and discloses a modification structure based on the removal of side columns at the side span of a steel structure platform. The structure includes a side steel column to be demolished, a new steel column, a new crossbeam, a first diagonal brace, a second diagonal brace, and multiple tie rods. The new steel column is positioned opposite the side steel column to be demolished, with its bottom fixed to the ground and its top extending to the platform layer above the side steel column to be demolished. The new steel column is fixedly connected to each platform layer via a new crossbeam. A first diagonal brace is installed between the existing side steel column on the layer above the side steel column to be demolished and the two new crossbeams of the new steel column. Two second diagonal braces in a figure-eight shape are also installed on the right side of the existing side steel column connected to the first diagonal brace and between it and the adjacent existing steel column. Multiple tie rods are installed between the new steel column and the existing side steel columns between each platform layer. This utility model's modification method is simple to construct, does not affect normal production, and does not require complex stress analysis.

The hardened coal slime cleaning equipment comprises a rack, a walking mechanism, a sealed cabin and a dredging unit, the sealed cabin is arranged on the rack, a control response unit is arranged in the sealed cabin, and a control unit is in signal connection with the control response unit; the desilting unit is arranged in front of the rack, and the walking mechanism, the desilting unit and the power unit are in power connection through rubber pipes. The dredging unit comprises an auger and a slurry pump; the auger is arranged in front of the desilting vehicle, a plurality of high-pressure nozzles are arranged on the upper portion of the auger in an array mode, and the slurry pump is arranged behind the middle of the auger. According to the utility model, the problems of difficult desilting and complicated flow of the sedimentation tank in the prior art are solved. Wading operation of the equipment is achieved, the desilting process of the sedimentation tank is optimized, and normal production is not affected. Particularly, the equipment is suitable for more working conditions, hardened coal slime can be synchronously cleaned in the desilting process, and the equipment is safe in operation and convenient to maintain.

The invention discloses an ungrounded DC power supply system grounding fault troubleshooting and positioning method, and belongs to the field of fault detection. The method includes measuring voltage to ground of positive and negative buses; finding out a bus equipotential with the grounding busbar, and judging the bus as a bus where a grounding fault is located; a troubleshooting resistor is connected in series between the bus where the non-grounding fault is located and the grounding busbar; detecting the unbalanced current of each switch of each stage; gradually reducing the range until a tail end switch with unbalanced current is found; and the fault loop is cut off, then the voltage to ground of the positive bus and the negative bus is measured at the primary switch, and if the voltage to ground of the positive bus and the negative bus returns to normal, the ground fault point is isolated. The grounding fault of the ungrounded direct-current power supply system can be checked and positioned without cutting off power one by one for points where the grounding fault possibly occurs, the normal operation of a protection, control and monitoring system powered by the direct-current power supply system is not influenced, and the influence of the troubleshooting work on the normal production of enterprises and the normal life of residents is avoided.

The application discloses a kind of only using ordinary total station fast measurement rotary kiln center line method, comprising S1, preparation tool;S2, establish reference line;S3, using total station to measure reference line to the horizontal distance of outermost edge of wheel belt;S4, calculate rotary kiln cylinder center line horizontal deviation;S5, find the mark point corresponding to each gear wheel belt;S6, using total station to measure the height difference of adjacent mark point;S7, using total station to measure the height difference of each gear mark point and corresponding wheel belt lowest point;S8, measure each gear wheel belt slip amount in situ and convert into wheel belt clearance under hot state;S9, calculate rotary kiln cylinder center line vertical deviation;S10, draw a conclusion.Using the only using ordinary total station fast measurement rotary kiln center line method of the application, measurement method is simple, detection cost is low, can be detected with small amount of tool, overcome the problem that detection equipment is difficult to carry or mail.

This invention belongs to the field of microbial technology and discloses a strain of Acinetobacter baumannii and its applications. The invention provides an Acinetobacter baumannii strain deposited at the China Center for Type Culture Collection (CCTCC), accession number CCTCC NO: M 20261099. This strain exhibits excellent degradation performance in both soil and water remediation, filling a gap in the application of existing BPA-degrading bacteria in industrial sites.

The application discloses a petrochemical park gas leakage monitoring and positioning method, comprising the following steps: determining the downwind boundary of the target park dominant wind direction as a monitoring boundary, and obtaining the light path integral concentration data and meteorological data on the monitoring boundary; reconstructing the light path integral concentration data, and obtaining a self-checking result according to the reconstruction result; and determining the position of a leakage source based on an optimization algorithm inversion according to the self-checking result. The application also discloses a petrochemical park gas leakage monitoring and positioning system, an electronic device and a storage medium. The application cooperates the monitoring boundary design and the active optical monitoring with the meteorological data, performs self-checking based on the light path integral concentration reconstruction, and then determines the leakage source through the optimization algorithm inversion. The application has strong implementability, can quickly and accurately position the leakage source under the premise of not affecting the normal production of the petrochemical park, and provides reliable guidance for subsequent emergency disposal.

The invention discloses a mobile gangue slurry preparation unit in a mine, comprising a material preparation and conveying unit, which is connected with a feeding unit through a quantitative feeder. The invention also discloses a method for preparing the gangue slurry using the unit, comprising the following steps: step 1, using a material transfer belt to sequentially convey and fill a plurality of bin bodies with gangue powder; step 2, the bin bodies convey the gangue powder to the material transfer roller through a discharge port; step 3, the material transfer roller conveys the gangue powder to the quantitative feeder, which conveys the gangue powder into the communicating overflow mixer; step 4, opening the quantitative water supply system to supply water to the communicating overflow mixer for mixing, and the mixed gangue slurry is conveyed to the grouting and filling pump through the discharge port; step 5, the grouting and filling pump pumps the gangue slurry to the underground goaf. The gangue slurry preparation unit solves the problem of interruption in the gangue slurry conveying in the existing preparation technology.