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58results about How to "Enhance corporate image" patented technology

Integrated waste heat generating and heating system and process flow thereof

The invention discloses a waste heat generating equipment system and a waste heat generating process. The system comprises a ceramic fiber dust collector (2), a rapid heat conducting heat-pipe waste heat boiler (3), a rapid heat conducting heating device (4), a steam replenishing and condensing steam turbine (6), a condenser (8), a condensing water pump (9) and a vacuum deaerator (10), wherein ceramic fiber dust collector (2) is arranged at a waste heat outlet end; the rapid heat conducting heat-pipe waste heat boiler (3) bears a steam preparing device for power generation; the rapid heat conducting heating device (4) is arranged on the smoke inlet of a boiler; medium and high-pressure main steam generated by a rapid heat conducting heat-pipe waste heat boiler is mixed and enters the steam replenishing and condensing steam turbine (6) through a pipeline; low-pressure steam enters the steam replenishing and condensing steam turbine (6) through a steam replenishing pipeline; waste steam on the tail part of the steam turbine enters the condenser (8); condensed water enters the vacuum deaerator (10) through the condensing water pump (9) and a pipeline; water from which oxygen is removed in the deaerator enters the heat-pipe waste heat boiler (3) through a water supply pump of the boiler; and low-temperature smoke discharged from the back end of the boiler is delivered into the rapid heat conducting heating device (4). The waste heat utilization ratio of the integrated system is enhanced by over 60 percent on average, so unit energy consumption of an enterprise is greatly lowered, the problem of unstable running of the system due to dust blocking of the boiler and wearing of a heat exchange tube in a medium and low temperature waste heat generating system is solved and comprehensive generating efficiency is enhanced by over 30 percent.
Owner:童裳慧

Operation error remote calibrating method of intelligent ammeter

The invention relates to an operation error remote calibrating method of an intelligent ammeter. The method comprises the following steps: (1) installing an intelligent ammeter cluster to form a tree-shaped topological structure; (2) to obtain a flow conservation foundation model of the intelligent ammeter cluster; (3) importing a virtual branch circuit to dynamically correct an intelligent ammeter cluster topological model, to obtain a flow conservation algorithm model; (4) to obtain electric current incremental data of the intelligent ammeter cluster repeatedly, and calculating a relative error; (5) correcting a calculation result and uncertainty evaluation; and (6) to obtain an error calculation result. The method is capable of, in allusion to 0.48 billion of the on-line operated intelligent ammeters in state grid corporations, applying a full data sample thinking mode, mining mass electric energy data of a power consumer electricity information collection system without the help ofan external standard instrument, carrying out the remote verification technical research of the intelligent ammeters, enabling both power supplier and consumer to master the accuracy of an electric energy metering device in real time, satisfying the expected requirement of clients, and improving the corporate image.
Owner:TIANJIN ELECTRIC POWER TECH DEV CO LTD

Full-automatic water meter production inspecting method

The invention discloses a production testing method for a full-automatic water meter. In the production process of a mechanical water meter, if a production procedure is added, a bunch of digitals are printed on the dial plate of a water meter by laser as the unique ID of the water meter, and the ID is taken as the clue for production testing, after-sale service and quality tracing; in the delivery inspection, the mechanical reading and the mechanical ID of the water meter are electronized and digitized by adopting a color image processing method; the standard metering is electronized and digitized by adopting an electronic scale and a 485 communication mode; after obtaining the digital reading, the digital ID and the digital standard metering of the water meter, the computer can calculate the metering error of the water meter, store the testing information of the water meter in a database by taking ID as the key word and automatically generate a testing report. The production testing method of the invention can cause the production testing work for the water meter to realize automatic management by a computer, thus avoiding the interference of human factors, greatly improving the truth of the testing result of the water meter, and increasing the production and management efficiency of the water meter.
Owner:ZHEJIANG UNIV +2

State detection and protection method for circuit breaker opening and closing coil

The invention discloses a state detection and protection method for a circuit breaker opening and closing coil. The invention provides a state detection and protection system for a circuit breaker opening and closing coil, deduces a coil equivalent heating formula through theoretical calculation and coil opening and closing material analysis, and achieves the purpose of protecting the coil by cutting off the electrified loop before the coil reaches a heat melting point through the calculation of heat productivity. IGBT power electronic components are easy to damage after long-term operation, the service life of an IGBT is prolonged by combining with a relay, and the purpose of performing reliable operation and cutting off a loop reliably can be achieved; a theoretical basis is provided for the circuit breaker maintenance; the safe reliability of the circuit breaker opening and closing coil is improved; the safe operation capability of a transformer substation can be effectively improved, the field maintenance workload can be effectively reduced, and the economic benefit is remarkable; and the state detection and protection method guarantees the safe and economical operation of the transformer substation system, and improves the power supply reliability of the transformer substation.
Owner:STATE GRID CORP OF CHINA +2

Energy consumption analyzing method of user electricity data

The invention relates to an energy consumption analyzing method of user electricity data, and belongs to the analysis field of system data. The energy consumption analyzing method includes the steps of data integrating, energy consumption data analyzing and mass data processing. Energy consumption analysis is integrally designed, multidirectional and multi-scenario energy consumption analyzing features are expressed in the design, energy consumption statistic analysis, energy efficiency index rating, energy efficiency diagnosis, energy efficiency measurement benefit tracking management and exception monitoring are integrally centralized in the energy consumption analysis; mass data processing is optimized, and a middle result set and a level granularity processing method are utilized to efficiently process data. The data are processed according to time granularity grading, statistical calculation is performed from a low level to a high level according to calculated size of sub granularity, and efficient calculation from spot to surface is formed. In order to avoid a large amount of repeated calculation, the data set is classified, central data are stored into a temporary table, and utilization rate of the data is greatly improved.
Owner:NARI TECH CO LTD +1

Digital television bi-directional interaction based power supply information inquiring method based and system

A digital television bi-directional interaction based power supply information inquiring method is characterized by including a power charge information inquiring method. The power charge information inquiring method includes steps of selecting a power supply information television program and accessing a power supply information television program interface which is provided with a power charge information window; sending a unique account corresponding to a signal process device to a television server; searching a power charge account bonded with the unique account according to the received account, and sending the searched power charge account to a power supply bureau server; inquiring corresponding power charge information according to the received power charge account and feeding the inquired power charge information back to a television server; feeding the received power charge information back to a signal process device; and displaying the received power charge information of the signal process by the power charge information window. By the digital television bi-directional interaction based power supply information inquiring method, citizens can acquire power charge information thereof accurately in time when accessing the power supply information television program interface by turning on digital televisions.
Owner:ZHONGSHAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID +1

Remote calibration method for operation error of generalized flow instrument

InactiveCN107944652ARealize remote detectionDoes not change meter structureResourcesCollection systemFull data
The invention relates to a remote calibration method for an operation error of a generalized flow instrument, and the method comprises the steps: (1), installing a generalized flow instrument clusterto form a tree-shaped topological structure; (2), obtaining a flow conservation algorithm model of the generalized flow instrument cluster based on the tree-shaped topological structure formed by thegeneralized flow instrument cluster; (3), correcting a line loss error, introducing a virtual branch to correct the topological model of the generalized flow instrument cluster, and correcting the flow conservation algorithm model; (4), calculating a relative error; (5), correcting a calculation result and estimating the degree of uncertainty; (6), obtaining an error calculation result. The methodemploys a full data sample thinking mode for 0.48 billion online operating intelligent electric energy meters of the State Grid Corporation, achieves the mining of mass electric energy data of a power utilization information collection system for power users, does not need an external standard instrument, achieves the performing of the remote calibration technology of the intelligent electric energy meters, enables the power supply side and a power utilization side to know the accuracy of an electric energy metering device in real time, meets the expected demands of customers, and improves the enterprise image.
Owner:TIANJIN ELECTRIC POWER TECH DEV CO LTD

Filter bag collecting device for bag-type dusters

The invention provides a filter bag collecting device for bag-type dusters, which has the advantages of simple structure and convenient operation. The filter bag collecting device comprises a rectangular pipeline, a bag putting door, a dust chimney, a bag retrieving door, a dust deposit bucket, a bracing frame and a grid, wherein the rectangular pipeline and the dust deposit bucket are connected through welding to form the major structure of the complete device, fixed to the base through the bracing frame and horizontally connected with the duster through the bracing frame; the bag putting door is arranged in the position on the upper part of the rectangular pipeline near the box body overhaul bag changing position on the duster, and the bag retrieving door is arranged on the lower part of the rectangular pipeline and on the upper part of the dust deposit bucket; in order to prevent the filter bag from directly dropping into the dust deposit bucket, the upper part of the dust deposit bucket is provided with the grid which is a net structure formed by welding round steel horizontally and longitudinally; and the dust chimney is arranged in the corresponding position of the dust bucket of the duster, the air intake end of the dust chimney is connected with the rectangular pipeline, and the air outlet end of the dust chimney is communicated with the dust bucket of the duster.
Owner:JIANGSU KEHANG ENVIRONMENT ENG TECH

Remote running error correction method for intelligent gas meters

The invention relates to a remote running error correction method for intelligent gas meters. The method comprises the steps that 1, clustering installation is conducted on the intelligent gas metersto form a tree topological structure; 2, a flow conservation basic model of a intelligent gas meter cluster is obtained; 3, pipeline loss error correction is conducted, and a virtual branch is introduced to dynamically correct a intelligent gas meter cluster topological model, so that a flow conservation algorithm model is obtained; 4, multiple pieces of gas flow increment data of the intelligentgas meter cluster is obtained, and a relative error is calculated; 5, uncertainty evaluation is conducted on a calculation result; 6, an error calculation result is obtained. By means of the method, the costs of marketing and operating can be effectively reduced, and loss of resources such as workers, vehicles and equipment in a check process can be greatly reduced; moreover, through achievement of remote checking, precise replacement of broken-down intelligent gas meters can be achieved, and the number of trouble-free intelligent gas meters which are dismounted can be lowered, which is greenand environmentally-friendly; a purpose fund is saved, so that the operational and maintenance costs of an enterprise are greatly reduced, quality and efficiency improvement is achieved, and significant economical benefits and social benefits are provided.
Owner:TIANJIN ELECTRIC POWER TECH DEV CO LTD

Method for shortening telecontrol channel fault locating time

The invention belongs to the field of power technology, and relates to a method for shortening a telecontrol channel fault locating time. The method comprises the following steps: reading host.ini and template.ini, specifying a station, selecting the station, selecting a front host, diagnosing a Fes host communication state, circulating the next target machine, logging in a Fes host to diagnose the communication state of a target machine, judging whether the communication state is normal, reporting an error, locating problem, and providing a solution. By adoption of the method, the technical problems of long telecontrol channel fault locating time and troublesome operation steps are solved. The method has the following main beneficial effects: shortening the telecontrol channel fault locating time, reducing important accident signal loss caused by telecontrol channel faults, effectively controlling and avoiding accident expansion, and saving many economic losses; keeping the reliable monitoring of important signals by a e control center to ensure the power supply quality; processing power grid accidents at the first time to improve the quality of service of power supply and relieve the work pressure of automatic operation and maintenance personnel and operation and maintenance personnel of maintenance companies.
Owner:国网湖北省电力有限公司荆门供电公司 +1

The processing procedure of the flexible processing unit of the gun sight mirror body parts

The invention discloses a flexible machining unit applied to gun aiming lens barrel parts. The flexible machining unit applied to gun aiming lens barrel parts comprises a base, stand columns and a truss, wherein a plurality of material trolleys with mechanical claws are arranged on the truss; a feeding worktable, a first station worktable, a second station worktable, a third station worktable and a discharging worktable are successively arranged on the base from left to right; a station main shaft box and a hook-shaped pressing plate are arranged on the first station worktable; a second station main shaft box and a square cutter frame are arranged on the second station worktable; a third station main shaft box is arranged on the third station worktable; a bed body, a large dragging plate and an upper dragging plate are arranged on the base of each of the first station worktable, the second station worktable and the third station worktable; the hook-shaped pressing plate is mounted on the upper dragging plate on the first station worktable; the square cutter frame is mounted on the upper dragging plate on the second station worktable. The flexible machining unit applied to the gun aiming lens barrel parts has the advantages of high automation degree, high machining accuracy, high working efficiency, convenience in operation, safety, reliability and low labor strength.
Owner:NANTONG BAISHENG PRECISION MACHINERY

Preparation method of burdock soft can

The invention discloses a preparation method of a burdock soft can, which belongs to the field of the burdock soft cans. The preparation method comprises the following steps: selecting material, cleaning, peeling, dicing / slicing, pre-cooking, cooling, loading in a cup, adding ingredients and soup, sealing, sterilizing, cooling, folding the can, warehousing and packaging. The preparation method has the following beneficial effects that by selecting the material, cleaning, peeling, dicing / slicing, pre-cooking, cooling, loading in the cup, adding the ingredients and the soup, sealing, sterilizing, cooling, folding the can, warehousing and packaging, the burdock soft can is finally prepared; as the dicing / slicing is firstly performed, and then the pre-cooking and the cooling are performed, the pre-cooking time is short, direct cooling can be performed after pre-cooking, and the original taste of burdock can be retained; and the ingredients and the soup can enable the taste of the burdock to be appropriate, and when the sealing is performed, inert gas is adopted for replacing air in the cup after the soup is added, and then the sealing is performed, so that the oxidation of the air in the cup can be inhibited, the reliable quality of a product can be ensured, and the prepared product has high nutritive value.
Owner:徐州福中福食品有限公司

Method for optical cable splicing with communication service uninterrupted and fiber coiling box

A method for optical cable splicing with communication service uninterrupted is characterized by comprising the following steps that firstly, the position of an optical fiber fault is determined according to a dedicated optical fiber fault position determination method; secondly, the outer sheath of an optical fiber at the fault position is stripped for at least 1-2m, and a loose tube where the optical fiber breaking down is located is determined; thirdly, a loose tube without faults is coiled in a fixed groove, with the outer diameter matched with that of the loose tube, of a loose tube coiling device and is located; fourthly, the loose tube where the optical fiber breaking down is stripped through a loose tube horizontal and transverse stripping cutter, and the length of the stripped part should be larger than the length of at least one circle of the loose tube coiled in a fiber coiling box; fifthly, a fiber core not breaking down in the stripped loose tube is coiled in a fiber core coiling groove in the fiber coiling box; finally, the optical fiber breaking down is spliced again through a welding machine and then is clamped to the fiber coiling box, and the fiber coiling box is arranged in a connector box to be fixed. The method achieves convenient splicing, and the communication service cannot be interrupted.
Owner:STATE GRID CORP OF CHINA +2
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