53results about "Fluid distribution means" patented technology

The invention relates to the technical field of heating, in particular to a heat exchange system and a heating system. The heat exchange system includes a heat storage device, a water separator, a water collector and multiple heat pump air conditioner hosts. Among them, the evaporators of multiple heat pump air conditioners are connected in series with the waste heat source to recover the heat energy of the waste heat source. The condenser is connected to the radiator through the water separator and the water collector, and the condenser is also connected to the heat storage device through the water separator and the water collector. The radiator is used to provide heat for the user, and the excess heat is stored in the heat storage device. In the process, the heat storage device is also connected to the radiator. When the heat supply demand is high, the heat storage device is converted to heat supply to ensure the heat supply demand. By adopting the technical scheme of the invention, the industrial waste heat is effectively utilized, and the industrial waste heat is avoided from being wasted.

The invention relates to the field of household appliances, in particular to a warmer. The warmer comprises multiple cooling fins, the multiple cooling fins sequentially communicate with one another through oil storing cavities to form a circulating channel, the joints of the circulating channel and the oil storing cavities are provided with circulating channel ports, the circulating channel areaof each circulating channel port is S, and each cooling fin is internally provided with at least two oil storing cavities; flow limiting devices are arranged in at least one oil storing cavity of theend cooling fins, flow blocking devices are arranged in at least one other oil storing cavity of the end cooling fins, the flow limiting devices comprise flow limiting structures, the flow limiting structures are used for limiting the circulating channel areas of the oil storing cavities of the adjacent cooling fins and the end cooling fins, and the flow blocking devices are used for isolating theoil storing cavities of the adjacent cooling fins from the oil storing cavities of the end cooing fins; and the circulating channel areas of the flow limiting structures are each between 0.1 S and 0.24 S. According to the warmer, it is guaranteed that a user can not be scalded due to accidental touching, and the using experience of the user is guaranteed.

The invention relates to the technical field of geothermal heating flow divider machining and particularly relates to an end machining technology for a geothermal heating flow divider, comprising the machining steps of: firstly, standing a pipe body in an electric heating furnace at the temperature of 180-250 DEG C for 10-20min, and stabilizing a molecular structure in the pipe body; secondly, enabling a punching machine to continuously act up and down in a reciprocated way for at least five times by adopting different special necking dies, extruding, rubbing to generate high temperatures, softening the pipe wall by high temperature to enable an internal original molecular structure to transfer towards the inner side and the upper part to achieve the aim of thickening the pipe wall; thirdly, machining the two ends of the pipe body to be round, and connecting the processed ends with an original square pipe through a circular arc; and fourthly, respectively machining screw threads inside the two ends of the pipe body. The flow divider manufactured by using the machining technology disclosed by the invention is round at two ends, is thickened in pipe wall as well as smooth and clean in appearance.

The present invention relates to a distribution pump arrangement for a bi-directional hydraulic distribution grid (10). The distribution pump arrangement comprises: a hot conduit control valve (20) in a hot conduit (12); a first distribution pump (22) having an inlet (22a) connected to the hot conduit (12) at a first side (20a) of the hot conduit control valve, and an outlet (22b) connected to the hot conduit (12) at a second side (20b), opposite the first side (20a), of the hot conduit control valve (20); a pressure difference determining device (80, 80') arranged beyond the second side of the hot conduit control valve (20) and configured to determine a local pressure difference, [delta]p, between a local pressure, p<hot>, of heat transfer liquid in the hot conduit (12) and a local pressure, p<cold>, of heat transfer liquid in the cold conduit (14); and a controller (90) configured to: while [delta]p < a threshold value, set the distribution pump arrangement in a flowing mode, wherein: the first distribution pump (22) is set to be inactive, and the hot conduit control valve (20) is set to be open, while [delta]p >= the threshold value and pcold > phot, set the distribution pump arrangement in a hot conduit pumping mode, wherein: the hot conduit control valve (20) is set to be closed, and the first distribution pump (22) is set to be active, thereby reducing the local pressure difference.

The invention discloses an open-and-close underground pipe sub-collector and its control method. They are respectively connected to one end of each water distribution branch pipe in sealing connection, and the other end of each water distribution branch pipe is respectively connected to one end of the corresponding user, and the other end of the user is respectively connected to the corresponding water collection branch pipe in sealing communication, and each water collection branch pipe is sealed to the water collection main pipe respectively. Connected; a set of mechanical self-sealing device is installed between the water inlet of the water distribution branch pipe connected to the same user and the water outlet of the water collection branch pipe; the mechanical self-sealing device includes water distribution side sealing components, water collection side sealing components and limiting Position parts, the water-splitting side plugging assembly and the water-collecting side plugging assembly are screwed together. The sub-catchment can realize the mechanical automatic sealing of the leaking pipeline. When the leakage fault is eliminated, the blockage can be unblocked again, so that the whole sub-catchment can be put into normal use again, which can significantly reduce the loss caused by the leakage of the pipeline. .

The invention belongs to the technical field of HVAC, and relates to a linkage system and method for the heat inlet balance of the second network and the heat exchange station. The heat inlet balance subsystem and the heat exchange station subsystem cooperate with each other through a host computer. The principle of active, passive and non-moving among all links of the thermal system realizes the cooperation between the heat exchange station and the heat inlet; the centralized command of the upper computer, the active distributed adjustment of the heat inlet, and the heat exchange station passively meet the operation requirements of the heat inlet Under operating conditions, the fully automatic heat inlet balance can be realized under the condition of the minimum flow rate of the circulation pump of the heat exchange station. This patent provides an automatic linkage method with the heat exchange station in the process of realizing heat inlet balance, and realizes the circulation of the heat exchange station. The method by which the pump operates at minimum flow.

A solar heating and cooling building comprising building elements using existing building designs and materials, having a solar absorber capable of directly absorbing solar heat, with or without a solar absorbing coating, having a transparent cover . The building also includes fluid channels arranged in said building elements to fluidly transport absorbed solar heat, a solar thermal reservoir for storing and supplying absorbed solar heat, and for directing and controlling said fluid flow organization. The building also uses solar thermal collectors and / or solar thermal storage as building elements. Included in this structure are insulating glass solar collectors (IGSHC), which consist of insulating glass or similar objects, solar heat absorbers arranged in hollow spaces, one side of the solar heat absorber has a heat absorbing coating, and the other Sides can radiate or reflect heat; fluid channels for heat transfer, and mechanisms for directing and controlling fluid flow.

The invention provides a dynamic hydraulic balance adjusting method for a centralized heating system. The method comprises the steps that operation data of end users of the centralized heating system are obtained, indoor environment data of the end users are obtained, outdoor environment data are obtained, and water supply temperature data of a main pipeline of the centralized heating pipe network system are obtained; a target indoor environment state of the end users of the centralized heating system are set; control parameter curves of the centralized heating system are calculated according to the target indoor environment state of the end users and the water supply temperature data of the main pipeline, and the control parameter curves comprise at least one of an electric two-way valve control parameter curve of all the end users and a water supply-return pressure difference control parameter curve of the centralized heating main pipeline; and the centralized heating system is controlled to operate according to the control parameter curves. According to the adjusting method, no sensor or dynamic hydraulic balancing valve or other equipment needs to be arranged; dynamic hydraulic balance of the centralized heating system is achieved through dynamic control over electric two-way valves of the end users, the requirement for indoor comfort is met, the energy consumption of the centralized heating system is reduced, and the implementation cost is low.