12results about How to "Small modification" patented technology

The utility model relates to a novel staged combustion turbulent burner with a flue gas recirculation function. At present, recycling flue gas is mostly concentrated in system arrangement, and combustion equipment for sending part of the recycling flue gas back to a hearth from a combustor is few. The novel staged combustion turbulent burner with the flue gas recirculation function comprises a flue gas channel, the flue gas channel (2) is arranged in a primary air channel (3), one end of the flue gas channel (2) is connected with a flue gas adjusting valve group (1), the other end of the flue gas channel (2) is provided with a flue gas premixer (4), the primary air channel (3) is arranged in a secondary air channel (5), one end of the primary air channel (3) is connected with a pulverized coal conveying channel, and the other end of the secondary air channel (5) is provided with a flue gas inlet. The secondary air channel is arranged in a tertiary air channel (6), one end of the secondary air channel is a nozzle, the other end of the secondary air channel is connected with an air bellow (9), one end of the tertiary air channel is connected with the air bellow, and the other end of the tertiary air channel is provided with a conical nozzle (7). The boiler is applied to the field of boilers.

The utility model provides a bulk cargo ship with side-mounted cargo winch, and belongs to the shipbuilding technical field. The utility model discloses including ship body structure, the ship body structure is equipped with a plurality of cargo holds along the length direction, the top of cargo hold is equipped with hatch coaming, is provided with the folding hatch cover on the hatch coaming, the main deck of ship body structure is installed with a plurality of Z type's crane base, is installed with the cargo winch on the crane base, the crane base can expand the hoisting range of cargo winch. The utility model can install the crane on the side deck of bulk cargo ship, and satisfies the hoisting demand of all cargo holds.

The invention provides a message notification method, system, device and medium based on a generic policy mode, and relates to the technical field of computer software, comprising: pre-configuring a message interface, the message interface comprising a policy for sending a message; creating strategy classes corresponding to the plurality of message interfaces, wherein each strategy class is used for representing a corresponding message notification mode; using a generic programming technology to configure a message notification center class; wherein the message notification center class allows to dynamically switch different strategy class instances so as to realize different message notification modes; and in response to a message sending request, the message notification center class calls a corresponding message sending method according to the currently selected strategy class instance. According to the method and the device, new message types and notification strategies can be easily supported, meanwhile, the code modification amount is reduced, and the stability and the maintainability of the system are improved.

The utility model belongs to the technical field of vehicles, specifically relates to a folding pipe type structure and a vehicle comprising the structure, the folding pipe type structure comprises: a vertical pipe, a folding pipe, a rotating mechanism and a locking mechanism, wherein the vertical pipe is rotatably connected with the folding pipe through the rotating mechanism, the locking mechanism locks the vertical pipe and the folding pipe when the folding pipe rotates to the folding position, and the locking mechanism releases the folding pipe through the compression of the spring when the folding pipe rotates away from the vertical pipe under the force. The mechanism provided by the utility model is simple and exquisite, the elastic reversible buckle structure is used to realize the stable locking structure of folding and unfolding, the appearance change of the vehicle body is minimized, and the utility model has a wide range of application and is less modified for the existing vehicles.

The present application provides a data processing method, device, server and storage medium, which relate to the field of computer technology. The method obtains at least one data table, which is obtained by processing the original data based on the data type calculation logic, and then encrypts the at least one data table according to the encryption parameters of the user's corresponding permissions to obtain at least one target data table, and sends the at least one target data table to the terminal device corresponding to the user. In this scheme, the relationship between the data in the data table and the data that cannot be accessed by the user's permissions is used. When the data type calculation logic changes, the encrypted position does not change, and the modification occurs when the data table is generated, and the subsequent target data table generation is not affected, which not only reduces the modification amount, but also ensures the security of subsequent data transmission.

The invention discloses a production and processing method of high-quality golden white tea, and particularly relates to the technical field of white tea processing. Comprising the following steps: picking tea leaves, namely picking fresh leaves of golden tea trees as raw materials after golden tea bud heads are picked on site before and after the beginning of summer and have obvious chewing astringent taste; transferring: collecting, stacking and temporarily storing the picked tea leaves by using a breathable frame, and transferring the tea leaves to a processing point; spreading and cleaning: uniformly spreading the tea leaves on a withering trough which can be heated and is provided with an LED (Light Emitting Diode) light supplementing lamp; withering: performing withering treatment on the leaves to prepare semi-finished products; and drying: putting the semi-finished white tea product into a tray of a fragrance enhancing machine, putting the tray into the fragrance enhancing machine, drying at low temperature, taking out the white tea after the moisture content of the white tea is reduced to 7%, and cooling to room temperature to obtain a finished white tea product. By adopting the technical scheme of the invention, the problems of low utilization rate of the existing golden tea fresh leaves, time and labor consumption of making white tea from summer and autumn tea, low quality consistency and the like are solved, the utilization rate of the golden tea fresh leaves in the output peak period is improved, and the product quality consistency is improved.

The application discloses a full-width laid-in warp knitting machine weft yarn non-cutting continuous laying device and a working method thereof, wherein the laying device comprises a weft conveying chain belt, a plurality of rotating hook units are arranged on the weft conveying chain belt at intervals; the rotating hook unit comprises a connecting seat, a rotating part and a reset element; the connecting seat is fixed on the weft conveying chain belt, a clamping hook is fixed on the rotating part; the rotating part is rotatably connected with the connecting seat and is limited to rotate between a first working position and a second working position; the reset element is used for providing a force to keep or reset the rotating part to the first working position; the laying device further comprises an unhooking auxiliary mechanism and a weft yarn baffle. The weft yarn non-cutting continuous laying is realized through the active turning of the clamping hook and the cooperation with the weft yarn baffle, the risk that the weft yarn is easily pulled out from the fabric edge due to the weft yarn cutting in the prior art is reduced, and the structural stability of the laid-in fabric is improved.

The utility model provides a sintering machine waste heat recovery and dust removal integrated system which comprises a sintering trolley and an annular cooler connected with the tail end of the sintering trolley, a machine tail cover is arranged between the tail blanking end of the sintering trolley and the feeding end of the annular cooler to seal a blanking space, a machine tail dust suction cover is arranged at the top of the machine tail cover, the tail of the machine tail dust suction cover is connected into a main flue, and the main flue is connected with a dust removal device. The main flue is provided with a bypass which is connected into a first bag type dust collector for dust removal and then connected into a waste heat boiler, and exhaust gas of the waste heat boiler is exhausted through a first fan and is connected back to the main flue through one or more branch pipelines and valves; and the main flue is sequentially provided with a bag type dust collector, a fan and a chimney. The problems that high-temperature smoke waste heat of an existing sintering machine cannot be fully utilized, dust-containing water vapor is difficult to treat, and system faults are easily caused can be solved.

The utility model discloses a kind of integrated motor waste heat recovery's passenger train thermal management system, comprising: motor cooling circuit, battery cooling circuit, motor cooling circuit includes series connection's water pump A, motor, motor radiator, three-way valve A, kettle A, battery cooling circuit includes series connection's water pump B, three-way valve B, battery cooling heat exchanger, kettle B, power battery, heater, wherein, motor cooling circuit and battery cooling circuit are coupled by three-way valve A, three-way valve B series-parallel connection. Utilize the characteristics of three-way valve low cost, high reliability, low maintenance requirement, while pipeline reconstruction amount is reduced, the cost of transformation is reduced, make system comprehensive cost drop;According to different ambient temperature, single motor waste heat mode, motor waste heat and heater cooperative heating mode are taken respectively, optimal heat exchange efficiency is realized, energy consumption is significantly reduced.

The application discloses a method for online trajectory optimization warm start of an aircraft based on symmetric neighborhood centralization, and comprises the following steps: S1, obtaining an optimization result of a sequence convex algorithm in solving a second-order cone programming sub-problem in the kth outer iteration, and taking the optimization result as an initial solution of the second-order cone programming sub-problem in the k+1th outer iteration; S2, introducing a symmetric neighborhood; S3, judging whether the deviation of the complementary product of each pair of relaxation variables and dual variables in the initial solution with respect to the average complementary gap exceeds the symmetric neighborhood; S4, constructing a joint correction system; S5, solving the joint correction system to obtain a warm start initial point; and S6, solving the second-order cone programming sub-problem in the current k+1th outer iteration to obtain an optimal trajectory of the current outer iteration. The application can improve the centrality and feasibility of the warm start initial point, thereby ensuring numerical stability and improving the calculation efficiency of the original dual interior point method for solving the second-order cone programming sub-problem.

The invention relates to a method for improving the air permeability of a sintered ore bed, which comprises the steps of return ore screening, iron ore screening, particle mixing, conventional primary mixing, conventional secondary mixing, small-particle-size mixing, long-period primary mixing, long-period secondary mixing, sintering distribution, material loosening, sintering and the like. And in cooperation with the specific arrangement of grading material distribution and material loosening, the air permeability of the sintered ore layer is greatly improved.

This invention discloses a high-efficiency catalytic conversion device and method for CO2 in lime kiln tail gas of steel plants. The high-efficiency catalytic conversion device for CO2 in lime kiln tail gas of steel plants includes a tail gas collection unit, an impurity adaptive pretreatment unit, a waste heat classification and utilization unit, a CO2 catalytic conversion unit, a product separation unit, and a circulation regulation unit arranged sequentially along the tail gas flow direction. The impurity adaptive pretreatment unit has a composite filter bag dust removal module that can remove dust and SO2 from the tail gas and a priority oxidation reforming module that can oxidize part of the CO in the tail gas to CO2. The waste heat classification and utilization unit divides the tail gas waste heat into three levels through a heat exchanger and a heat distribution controller. The low-temperature waste heat is used for preheating before the CO2 catalytic conversion of the raw material gas, the medium-temperature waste heat is used for reaction heating in the methanation reactor, and the high-temperature waste heat is used for electrolysis power supply in the solid oxide electrolysis cell. This can realize the on-site high-efficiency capture and high-value conversion of CO2 in lime kiln tail gas, which is very suitable for the existing energy conditions of steel plants.