9results about How to "Avoid insufficient heating" patented technology

The present application belongs to the technical field of non-ferrous melt processing, and discloses an intelligent processing system and control method for homogenization and purification of aluminum intermediate alloy melt. The system comprises a heat preservation and heating device, a rotor degassing machine, mechanical stirring, an electromagnetic coil surrounding the outside of the heat preservation and heating device, a PLC core controller, and various sensors. The PLC performs online three-closed-loop linkage control: liquid level-stirring closed loop, rotating speed-frequency closed loop, and temperature-heating closed loop. The present application can automatically match optimal parameters according to the alloy type and the organizational feature requirements of the alloy target core, and has self-learning optimization capability based on the alloy organization and performance requirements. The present application is applied to online rapid heating, heat preservation, melt purification, and homogenization processing of high-temperature and high-viscosity alloy melt, realizes the improvement of high-melting-point, easily-segregating, and not-easily-purified aluminum intermediate alloy melt and product quality, and meets the manufacturing requirements of high-performance aluminum alloy materials in the fields of aerospace, 3C electronics, etc.

A heating system heats a heat transfer fluid flow path in a solar heat collection device. The heat transfer fluid flow path includes heat collection elements, flexible joints, and a pipe connected in series. These elements have different electrical resistances. The heating system includes: an energizer that excites the heat transfer fluid flow path to heat it; a temperature sensor that measures the pipe temperature; and a processor that compares the measured pipe temperature to a predetermined assumed pipe temperature relative to an excitation time and performs processing based on the comparison result.

The utility model provides a waterproof coiled material laying machine which comprises a machine shell, connecting rods and a mounting plate, walking wheels are arranged at the bottom of the machine shell, a machine frame is arranged at the top of the machine shell, a rotating shaft is rotatably arranged on the machine frame, waterproof coiled materials are arranged on the rotating shaft in a sleeved mode, two connecting plates are symmetrically arranged on one side of the machine frame, and a guide roller is rotatably arranged between the two connecting plates. The number of the connecting rods is two, the two connecting rods penetrate through the machine shell and are vertically arranged on the machine shell in a sliding mode, an electric heating pipe is arranged between the ends, penetrating out of the machine shell, of the two connecting rods, the electric heating pipe is located under the guide pipe, a driving assembly is arranged in the machine shell, the mounting plate is arranged on the side wall of the machine shell, and a conveying groove allowing waterproof coiled materials to penetrate through is formed in the mounting plate. And a pasting assembly for pushing the waterproof roll to be pasted to the ground is further arranged on the mounting plate, and the problem that in the prior art, when the waterproof roll is heated, the heating efficiency of the side, facing the surface of a building, of the waterproof roll is low is solved.

The application discloses a kind of control methods of multi-energy collaborative heating system, it is related to heat exchange heating field.Therein, multi-energy collaborative heating system includes: water tank, its one side is equipped with water tank heat exchange loop;Biomass boiler, its one side is equipped with biomass boiler heat exchange loop;Heat exchanger is equipped between the water tank heat exchange loop and the biomass boiler heat exchange loop;Soil source heat pump and air source heat pump are connected with the water tank and form loop;The control method of multi-energy collaborative heating system is to preferentially use soil source heat pump, secondly, according to the priority order of outdoor environment temperature to determine the use of biomass boiler and air source heat pump.Compared with prior art, the beneficial effects of the present application are: combining production operation cost and the dynamic change of heat load, and setting the corresponding system dynamic control mode based on the characteristics of each device, thereby greatly solving the shortcomings of slow system feedback, low temperature control precision and large temperature fluctuation in traditional control method, and truly realizing the efficient compatibility of supply-demand matching and energy saving.

The invention discloses a regulation and control method for realizing two-network balance and precise heat supply based on hydraulic decoupling and load prediction, and relates to the technical field of centralized heat supply and smart energy, and the method comprises the steps: deploying a hydraulic decoupling device in each building of a target area, constructing an independent hydraulic unit, isolating user adjustment disturbance, and establishing a hydraulic decoupling platform; establishing a dynamic differential pressure maintaining system, and controlling frequency conversion operation of the circulating water pump through feedback of a differential pressure sensor. A pressure difference control valve is arranged at a unit inlet to cooperate with a pressure irrelevant valve at a user inlet, a pipe network coupled in the whole network is physically divided into a plurality of independent hydraulic units, and a built-in pressure compensation mechanism can sense and actively consume branch surplus pressure heads in real time; pressure fluctuation generated by user adjustment is limited in the unit, adjustment of all families is achieved, mutual interference is avoided, the dynamic hydraulic imbalance phenomenon that one family is adjusted and hundreds of families are tired is eradicated from the physical level, and reliable execution of control instructions and system convergence are ensured.

This utility model discloses a heating system for ships in ice-covered areas, including a hot water source connected to a first water-using end via a supply pipe. The first water-using end is connected to the hot water source via a return pipe. A first heat exchanger is installed in a first compartment. The inlet of the first heat exchanger is connected to the supply pipe via a first connecting pipe, and the outlet of the first heat exchanger is connected to the supply pipe via a second connecting pipe. The connection end between the first connecting pipe and the supply pipe is called the first connection end, and the connection end between the second connecting pipe and the supply pipe is called the second connection end. The first connection end is located on the side of the second connection end away from the hot water source. A first valve is installed on the first connecting pipe, and a second valve is installed on the supply pipe. This heating system for ships in ice-covered areas can divert the hot water circulating between the hot water source and the first water-using end to flow through the first heat exchanger, and dissipate the heat from the hot water into the first compartment, effectively increasing the temperature inside the first compartment.

The invention relates to the technical field of centralized heating, in particular to a heat supply pipe network dynamic balance adjusting system based on the Internet of Things, which comprises a sensing layer, a network layer, a control layer and an execution layer, and is characterized in that the sensing layer acquires parameters such as pipe network pressure, temperature and flow through a low-power-consumption sensor in a full-link manner, and transmits the parameters to the network layer through a LoRaWAN protocol; the network layer preprocesses data through an edge gateway and realizes encrypted transmission by means of 5G; the control layer integrates heat supply load prediction, particle swarm optimization and a self-learning algorithm, and accurately generates an adjustment instruction; the execution layer drives the electric adjusting ball valve to complete opening adjustment, and closed-loop control is formed. The flow deviation rate can be controlled within + / -4%, the indoor temperature fluctuation is smaller than or equal to 0.5 DEG C, energy consumption is reduced by 15%-20%, remote intelligent operation and maintenance are supported, the system is suitable for various scenes such as conventional residential quarters, large commercial complexes and old communities in cold regions, heat supply balance and energy saving performance are effectively improved, and application and popularization value is remarkable.

The utility model discloses a uniform tinning device for tinning a copper wire. The uniform tinning device comprises a tin liquid box, a liquid inlet structure, a tinning assembly, a centrifugal structure, a lead structure and a heating structure, a liquid level observation window is installed on the front surface of the tin liquid box in a nested mode, a tin box cover plate is installed on the tin liquid box through a hinge, a tin plating assembly is installed on the upper surface of the tin box cover plate, a tin plating door is installed on the tin plating assembly through a hinge, one end of the tin plating assembly communicates with the tin liquid box through a liquid inlet structure, and a centrifugal structure is installed on the front surface of the tin liquid box. Three lead structures and three heating structures are installed in the tin plating assembly. According to the utility model, the lead structure is matched with the heating structure, so that the copper wire body can be subjected to all-directional tin plating treatment in the tin plating process, and the uniformity and adhesive force of a tin plating layer are ensured.

The utility model belongs to the technical field of heat furnaces, and discloses rotary tube furnace equipment. The equipment comprises a furnace tube, a driving assembly, a heating piece and a stirring piece, the heating piece is used for heating the furnace tube, the axis of the furnace tube is arranged in the horizontal direction, and materials and reaction gas can be contained in the furnace tube. The driving assembly is used for driving the furnace tube to rotate around the axis of the furnace tube, and the stirring piece is arranged in the furnace tube and can stir materials in the furnace tube when the furnace tube rotates. The stirring piece is arranged in the rotatably arranged furnace tube, so that a good stirring effect on materials can be achieved, the phenomena that in the prior art, due to the fact that the materials sink to the bottom due to self weight, part of the materials are heated intensively, and part of the materials are heated insufficiently are avoided, and the materials can fully flow in the furnace tube; the phenomenon that part of materials always sink to the bottom and are blocked by the other part of materials is avoided, and the phenomena that the materials are heated unevenly and react insufficiently can be effectively relieved.